View 2019 Ct6 Owner's Manual

19_CAD_CT6_COV_en_US_84075049A_2018JUL20.ai 1 6/29/2018 7:53:08 AM 2019 CT6

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84075049 A Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

Contents Introduction ...... 2 In Brief ...... 5 Keys, Doors, and Windows ...... 28 Seats and Restraints ...... 61 Storage ...... 114 Instruments and Controls ...... 118 Lighting ...... 166 Infotainment System ...... 174 Climate Controls ...... 175 Driving and Operating ...... 188 Vehicle Care ...... 286 Service and Maintenance ...... 377 Technical Data ...... 392 Customer Information ...... 397 Reporting Safety Defects ...... 407 OnStar ...... 411 Connected Services ...... 419 Index ...... 423 Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

2 INTRODUCTION Introduction For vehicles first sold in Canada, Canadian Vehicle Owners substitute the name “General Motors of Canada Company” for Cadillac A French language manual can be Motor Car Division wherever it obtained from your dealer, at appears in this manual. www.helminc.com, or from: This manual describes features that Propriétaires Canadiens may or may not be on the vehicle On peut obtenir un exemplaire de ce because of optional equipment that guide en français auprès du was not purchased on the vehicle, The names, logos, emblems, slogans, concessionnaire ou à l'adresse model variants, country specifications, suivante: vehicle model names, and vehicle features/applications that may not be body designs appearing in this manual available in your region, or changes Helm, Incorporated including, but not limited to, GM, the subsequent to the printing of this Attention: Customer Service GM logo, CADILLAC, the CADILLAC owner’s manual. 47911 Halyard Drive Emblem, and CT6 are trademarks and/ Plymouth, MI 48170 or service marks of General Motors Refer to the purchase documentation USA LLC, its subsidiaries, affiliates, relating to your specific vehicle to or licensors. confirm the features. Using this Manual Keep this manual in the vehicle for quick reference. To quickly locate information about the vehicle, use the Index in the back of the manual. It is an alphabetical list of what is in the manual and the page number where it can be found.

INTRODUCTION 3 Danger, Warning, and Vehicle Symbol Chart Caution Here are some additional symbols that may be found on the vehicle and what Warning messages found on vehicle they mean. See the features in this labels and in this manual describe manual for information. hazards and what to do to avoid or u : Air Conditioning System reduce them. A circle with a slash through it is a safety symbol which means “Do Not,” G : Air Conditioning Refrigerant Oil { Danger “Do not do this,” or “Do not let this 9 : Airbag Readiness Light happen.” Danger indicates a hazard with a ! : Antilock Brake System (ABS) high level of risk which will result Symbols $ : Brake System Warning Light in serious injury or death. The vehicle has components and 9 : Dispose of Used Components labels that use symbols instead of Properly text. Symbols are shown along with P : Do Not Apply High Pressure { Warning the text describing the operation or Water information relating to a specific Warning indicates a hazard that component, control, message, gauge, B : Engine Coolant Temperature could result in injury or death. or indicator. g : First Responder M : Shown when the owner’s manual _ : Flame/Fire Prohibited has additional instructions or H Caution information. : Flammable * : Shown when the service manual [ : Forward Collision Alert Caution indicates a hazard that has additional instructions or R : Fuse Block Cover Lock Location could result in property or vehicle information. + damage. 0 : Fuses : Shown when there is more _ information on another page — : High Voltage “see page.” Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

4 INTRODUCTION j : ISOFIX/LATCH System Child 7 : Tire Pressure Monitor Restraints d : Traction Control/StabiliTrak/ Q : Keep Fuse Block Covers Properly Electronic Stability Control (ESC) Installed a : Under Pressure | : Lane Change Alert V : Vehicle Ahead Indicator @ : Lane Departure Warning A : Lane Keep Assist * : Malfunction Indicator Lamp : : Oil Pressure X : Park Assist ~ : Pedestrian Ahead Indicator O : Power 7 : Rear Cross Traffic Alert I : Registered Technician / : Remote Vehicle Start > : Seat Belt Reminders I : Side Blind Zone Alert h : Stop/Start Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

IN BRIEF 5 In Brief Vehicle Features Performance and Maintenance Infotainment System ...... 19 Traction Control/Electronic Steering Wheel Controls ...... 19 Stability Control ...... 24 Instrument Panel Cruise Control ...... 19 Tire Pressure Monitor ...... 25 Driver Information Fuel (2.0L L4 Turbo Engine) ...... 25 Instrument Panel Overview ...... 6 Center (DIC) ...... 20 Fuel (3.0L Twin Turbo V6 and 4.2L Initial Drive Information Forward Collision Alert (FCA) Twin Turbo V8 Engines) ...... 26 Initial Drive Information ...... 8 System ...... 20 Fuel (3.6L V6 Engine) ...... 26 Stop/Start System ...... 8 Night Vision System ...... 20 E85 or FlexFuel ...... 26 Remote Keyless Entry (RKE) Forward Automatic Engine Oil Life System ...... 26 System ...... 8 Braking (FAB) ...... 21 Driving for Better Fuel Remote Vehicle Start ...... 9 Front Pedestrian Braking (FPB) Economy ...... 27 Door Locks ...... 9 System ...... 21 Roadside Service ...... 27 Trunk ...... 10 Lane Keep Assist (LKA) ...... 21 Windows ...... 10 Lane Change Alert (LCA) ...... 21 Seat Adjustment ...... 11 Surround Vision ...... 21 Memory Features ...... 12 Rear Vision Camera (RVC) ...... 22 Second Row Seats ...... 13 Rear Cross Traffic Alert (RCTA) Heated and Ventilated Seats ...... 13 System ...... 22 Head Restraint Adjustment ...... 14 Park Assist ...... 22 Seat Belts ...... 14 Automatic Parking Passenger Sensing System ...... 14 Assist (APA) ...... 22 Mirror Adjustment ...... 15 Reverse Automatic Steering Wheel Adjustment ...... 15 Braking (RAB) ...... 22 Interior Lighting ...... 15 Rear Pedestrian Alert ...... 23 Exterior Lighting ...... 16 Surround Vision Recorder ...... 23 Windshield Wiper/Washer ...... 17 Power Outlets ...... 23 Climate Controls ...... 18 Universal Remote System ...... 23 Transmission ...... 19 Sunroof ...... 24 Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

6 IN BRIEF Instrument Panel Instrument Panel Overview Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

IN BRIEF 7 1. Air Vents 0 186. 8. Light Sensor. See Automatic 17. Driver Information Center (DIC) 0 2. Exterior Lamp Controls 0 166. Headlamp System 169. Controls. See Driver Information 0 Center (DIC) 0 149. Turn Signal Lever. See Turn and 9. Hazard Warning Flashers 169. Lane-Change Signals 0 170. Glove Box Button. See Glove Box 18. Steering Wheel Controls. See the 0 114. infotainment manual. 3. Tap Shift Controls (If Equipped). 0 See Manual Mode 0 214. 10. Infotainment 0 174. 19. Horn 120. 0 4. Instrument Cluster (Uplevel) 0 130 11. Heated and Ventilated Front Seats 20. Steering Wheel Adjustment 119 or Instrument Cluster (Base Level) 0 69 (If Equipped). (Out of View). 0 127. 12. Wireless Charging 0 123. 21. Forward Collision Alert (FCA) System 0 260 (If Equipped). Driver Information Center (DIC) 13. Automatic Climate Control System Display. See Driver Information 0 Lane Keep Assist (LKA) 0 270 (If 0 (Dual Zone) 175 or Automatic Center (DIC) 149. Climate Control System (Quad Equipped). 5. Windshield Wiper/Washer 0 120. Zone) 0 180. Heated Steering Wheel 0 119 (If 6. ENGINE START/STOP Button. 14. Automatic Vehicle Hold (AVH) Equipped). See Ignition Positions 0 200. 0 218 (If Equipped). 22. Cruise Control 0 225. 7. Park Assist Button. See MODE Button. See Driver Mode Adaptive Cruise Control 0 227 (If Assistance Systems for Parking or Control 0 221. Equipped). 0 Backing 251. Traction Control/Electronic Super Cruise 0 235 (If Equipped). 0 Automatic Parking Assist (APA) Stability Control 219. Phone Button. See “Steering Button (If Equipped). See 15. Infotainment Control Knob. See Wheel Controls” in the Assistance Systems for Parking or the infotainment manual. infotainment manual. Backing 0 251. 16. Shift Lever. See Automatic Automatic Engine Stop/Start Transmission 0 209. Disable Switch (If Equipped). See Stop/Start System 0 202. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

8 IN BRIEF 23. Data Link Connector (DLC) (Out Initial Drive Information Remote Keyless Entry of View). See Malfunction Indicator Lamp (Check Engine This section provides a brief overview (RKE) System Light) 0 139. about some of the important features The Remote Keyless Entry (RKE) that may or may not be on your 24. Instrument Panel Storage 0 114. transmitter may work up to 60 m specific vehicle. (197 ft) away. Instrument Panel Fuse Block For more detailed information, refer to 0 328. each of the features which can be 25. Electric Parking Brake 0 216. found later in this owner’s manual. Instrument Panel Illumination Control 0 170 (Out of View). Stop/Start System Head-Up Display (HUD) 0 152 (If If equipped, the Stop/Start system will Equipped) (Out of View). shut off the engine to help conserve fuel. It has components designed for the increased number of starts. When the brakes are applied and the vehicle is at a complete stop, the engine may turn off. When stopped, the tachometer displays AUTO STOP. Press the button on the side of the 0 See Tachometer 133. When the brake RKE transmitter to remove the key. pedal is released or the accelerator Never pull the key out without pedal is pressed, the engine will pressing the button. The key can be 0 restart. See Stop/Start System 202. used for the driver door. The automatic engine Stop/Start Press K to unlock the driver door or feature can be disabled and enabled all doors, depending on the vehicle by touching h on the center stack. personalization settings. Auto Stop is enabled each time you start the vehicle. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

IN BRIEF 9 If equipped, press K to unlock the Remote Vehicle Start . Turn on the hazard warning flashers. fuel door. The engine can be started from . Turn the vehicle on and then off. Press Q to lock all doors. outside of the vehicle. See Remote Vehicle Start 0 36. If equipped, press Q to lock the Starting the Vehicle fuel door. 1. Press and release Q on the RKE Door Locks transmitter. Lock and unlock feedback can be Keyless Access personalized. See Vehicle / Personalization 0 157. 2. Immediately, press and hold Press the button on the door handle for at least four seconds or until and pull the handle when the Remote Press X twice quickly to open the the turn signal lamps flash. Keyless Entry (RKE) transmitter is trunk. 3. Start the vehicle normally after within 1 m (3 ft). See Remote Keyless 0 Press 7 and release to initiate vehicle entering. Entry (RKE) System Operation 29. locator. When the vehicle starts, the parking Manual Operation lamps will turn on. Press and hold 7 for more than From outside, use the key in the three seconds to sound the panic Remote start can be extended. driver door. The key lock cylinder is 0 alarm. Canceling a Remote Start covered by a cap. See Door Locks 37. From the inside rear doors, push down Press 7 again to cancel the panic To cancel a remote start, do one of on the door lock knob on top of the alarm. the following: door. To unlock a door, pull once on See Keys 0 28 and Remote Keyless / the door handle to unlock it, and 0 . Press and hold until the Entry (RKE) System Operation 29. parking lamps turn off. again to open it. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

10 IN BRIEF Power Door Locks Trunk Windows From outside, press Q or K on the The power windows work when the RKE transmitter. ignition is on, in ACC/ACCESSORY, or when Retained Accessory Power (RAP) is active. See Retained Accessory Power (RAP) 0 205.

To open the trunk: . Press | on the driver door. From inside, press Q or K. See Power . Door Locks 0 40. Press X twice quickly on the Remote Keyless Entry (RKE) transmitter. Using the window switch, press to open or pull to close the window. . Press the touch pad on the rear of the trunk above the license plate The windows may be temporarily after unlocking all doors. disabled if they are used repeatedly within a short time. If equipped, these will also open the power trunk. See Trunk 0 42. See Power Windows 0 56. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

IN BRIEF 11 Seat Adjustment Uplevel Seat Adjustment . Press Feature Select (1) to display seat adjustments on the If equipped, the ignition must be on Power Seats infotainment display. Press and to use all uplevel seat features. release or hold to scroll through features. . Press Up (2) to make upward adjustments of the selected feature. . Press Forward (3) to make forward adjustments of the selected feature. . Press Down (4) to make downward adjustments of the selected feature.

Platinum Seat Shown, Uplevel Seat . Press Rearward (5) to make To adjust the seat: Similar rearward adjustments of the . Move the seat forward or rearward selected feature. by sliding the control forward or 1. Feature Select rearward. 2. Up . Raise or lower the front part of the 3. Forward seat cushion by moving the front 4. Down of the control up or down. 5. Rearward . Raise or lower the seat by moving the rear of the control up or down. See Power Seat Adjustment 0 64. See Thigh Support Adjustment 0 65. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

12 IN BRIEF Reclining Seatbacks Memory Features Before saving, adjust all available memory feature positions. Turn the ignition on and then press and release SET; a beep will sound. Then immediately press and hold 1, 2, or B (Exit) until two beeps sound. To manually recall these positions, press and hold 1, 2, or B until the saved position is reached. When Seat Entry Memory is enabled in vehicle personalization, positions previously saved to memory buttons 1 and 2 are recalled when the ignition Platinum Driver Seat Shown, is changed from off to on or ACC/ To adjust the seatback: Passenger Seat Similar ACCESSORY. . Tilt the top of the control If equipped, memory seats allow two When Seat Exit Memory is enabled in rearward to recline. drivers to save and recall their unique vehicle personalization, the feature . Tilt the top of the control forward seat positions for driving the vehicle, automatically recalls the previously to raise. and a shared exit position for getting saved exit position when exiting the 0 out of the vehicle. Other feature vehicle. See Reclining Seatbacks 66. positions may also be saved, such as Memory adjustments may not be power mirrors and power steering available upon delivery or after service wheel, if equipped. Memory positions until steps in “Saving Memory are linked to RKE transmitter 1 or 2 Positions” section are performed. See for automatic memory recalls. Memory Seats 0 66. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

IN BRIEF 13 Second Row Seats Easy Exit Heated and Ventilated If equipped, the armrest may have Seats seat adjustment controls.

If equipped, press S to tilt the front of the seat fully downward and to move If equipped, the buttons are near the the entire seat fully rearward. The seat 1. Seatback Display and Lumbar climate controls on the center stack. will also move to this position when Adjustment Control To operate, the engine must be the rear door is opened. 2. Power Seat Adjustment running. 3. Power Seat Adjustment Press J or z to heat the driver or 4. Massage passenger seat cushion and seatback. 0 See Rear Seats 72. Press I or + to heat the driver or passenger seatback only. Press C or { to ventilate the driver or passenger seat. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

14 IN BRIEF Press the button once for the highest Seat Belts Passenger Sensing System setting. With each press of the button, the seat will change to the next lower setting, and then to the off setting. The indicator lights above the buttons indicate three for the highest setting and one for the lowest. If the front heated seats are on high, the level may automatically be lowered after United States approximately 30 minutes. See Heated and Ventilated Front Seats 0 69. Head Restraint Adjustment Do not drive until the head restraints Refer to the following sections for for all occupants are installed and important information on how to use Canada adjusted properly. seat belts properly: The passenger sensing system turns To achieve a comfortable seating . Seat Belts 0 75 off the front outboard passenger position, change the seatback recline frontal airbag and knee airbag under . How to Wear Seat Belts Properly certain conditions. No other airbag is angle as little as necessary while 0 76 keeping the seat and the head affected by the passenger sensing 0 restraint height in the proper position. . Lap-Shoulder Belt 78 system. See Passenger Sensing System 0 89. See Head Restraints 0 62 and Power . Lower Anchors and Tethers for 0 Seat Adjustment 0 64. Children (LATCH System) 102 The passenger airbag status indicator will light on the overhead console when the vehicle is started. See Passenger Airbag Status Indicator 0 138. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

IN BRIEF 15 Mirror Adjustment Interior Mirror Steering Wheel Adjustment Exterior Mirror Adjustment Power Tilt and Telescoping Steering Adjust the rearview mirror for a clear Wheel view of the area behind your vehicle. Automatic Dimming Rearview Mirror Automatic dimming reduces the glare of headlamps from behind. The dimming feature comes on when the vehicle is started. Rear Camera Mirror If equipped, this automatic dimming rearview mirror provides a wide angle camera view of the area behind the 1. Move the selector switch to L vehicle. For ease of use, adjust the (Left) or R (Right) to choose the mirror for a clear view of the area Press the control to move the tilt and driver or passenger mirror. behind the vehicle while the display is telescoping steering wheel up and off. See Rear Camera Mirror 0 53. down or forward and rearward. 2. Press one of the four arrows to move the mirror. Do not adjust the steering wheel while driving. 3. Move the selector switch to ) to deselect the mirror. Interior Lighting The vehicle has manual folding Dome Lamp mirrors or, if equipped, power folding mirrors. See Power Mirrors 0 51. The dome lamp is in the overhead console. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

16 IN BRIEF For more information on interior lighting, see Instrument Panel Illumination Control 0 170. Exterior Lighting

To change the dome lamp settings, Press m or n next to each overhead press: console reading lamp. ( OFF : Turns the lamp off, even The exterior lamp control is on the when a door is open. turn signal lever. + ON/OFF : Turns the lamp on Turn the control to the following or off. positions: Reading Lamps O : Turns the exterior lamps off and There are front and rear reading deactivates the AUTO mode. Turn to lamps on the overhead console and O again to reactivate the AUTO mode. over the rear passenger doors. These In Canada, the headlamps will lamps come on automatically when automatically reactivate when the any door is opened. Press the lamp lenses over the rear passenger doors. vehicle is shifted out of P (Park). To manually turn the reading lamps AUTO : Automatically turns the on or off: exterior lamps on and off, depending on outside lighting. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

IN BRIEF 17

; : Turns on the parking lamps . Move the windshield wiper lever including all lamps, except the out of the AUTO position to headlamps. deactivate Rainsense. 5 : Turns on the headlamps together To enable or disable this feature, see with the parking lamps and “Rain Sense Wipers” under Vehicle 0 instrument panel lights. Personalization 157. See: OFF : Use to turn the wipers off. . Exterior Lamp Controls 0 166. 1X : For a single wipe, briefly move the lever down. For several wipes, hold . Turn and Lane-Change Signals AUTO : Use this setting for the lever down. 0 170. intermittent wipes when Rainsense is disabled, or for Rainsense wipes when f : Pull the lever toward you to Windshield Wiper/Washer it is enabled. For intermittent wipes, spray windshield washer fluid and move the lever up to AUTO, then turn activate the wipers. the band on the wiper lever up for See Windshield Wiper/Washer 0 120. more frequent wipes or down for less frequent wipes. If Rainsense is enabled in vehicle personalization, move the lever up to AUTO, then turn the band on the wiper lever to adjust the sensitivity to moisture. . Turn the band up for more With the ignition on or in ACC/ sensitivity to moisture. ACCESSORY, move the lever up or down to select the wiper speed. . Turn the band down for less sensitivity to moisture. HI : Use for fast wipes. LO : Use for slow wipes. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

18 IN BRIEF Climate Controls The climate control buttons on the center stack and on the climate control display are used to adjust the heating, cooling, and ventilation.

Climate Control Display 1. Driver and Passenger Temperature Display 2. Fan Control Dual and Quad Zone Climate Control Buttons 3. Driver and Passenger Temperature Controls 1. Driver and Passenger 5. Defrost 4. Sync (Synchronized Temperature Controls 6. OFF (Fan) Temperature) 2. Fan Control 7. Recirculation 5. Recirculation 3. Driver and Passenger Heated and 8. AUTO (Automatic Operation) Ventilated Seats (If Equipped) 6. Driver and Passenger Air Delivery Mode Controls 4. Rear Window Defogger 7. Auto (Automatic Operation 8. A/C (Air Conditioning) 9. On/Off Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

IN BRIEF 19 See Automatic Climate Control System Vehicle Features Cruise Control (Dual Zone) 0 175 or Automatic Climate 0 Control System (Quad Zone) 180. Infotainment System Transmission See the infotainment manual for information on the radio, audio Tap Shift players, phone, and voice or speech If equipped, Tap Shift allows you to recognition. It also includes shift an automatic transmission information on settings. similar to a manual transmission. To use the Tap Shift feature: Steering Wheel Controls 1. When in D (Drive), pull back on The infotainment system can be the shift lever to enter operated by using the steering wheel M (Manual Mode). controls. See “Steering Wheel 2. Use Tap Shift to manually shift Controls” in the infotainment manual. : Press to turn the system on and the automatic transmission. J off. A white indicator appears in the 3. To exit, pull back on the shift instrument cluster when turned on. lever a second time. RES+ : If there is a set speed in See Manual Mode 0 214. memory, press briefly to resume to that speed or press and hold to accelerate. If the cruise control is already active, use to increase vehicle speed. To increase speed by 1 km/h (1 mph), press RES+ to the first detent. To increase speed to the next 5 km/h (5 mph) mark on the speedometer, press RES+ to the second detent. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

20 IN BRIEF SET− : Press briefly to set the speed Forward Collision Alert and activate cruise control. If the cruise control is already active, use to (FCA) System decrease vehicle speed. To decrease If equipped, FCA may help avoid or speed by 1 km/h (1 mph), press SET− reduce the harm caused by front-end to the first detent. To decrease speed crashes. FCA provides a green to the next 5 km/h (5 mph) mark on indicator, V, when a vehicle is − the speedometer, press SET to the detected ahead. This indicator second detent. displays amber when following a * : Press to disengage cruise control vehicle much too closely. When without erasing the set speed from approaching a vehicle ahead too memory. quickly, FCA provides a flashing red alert on the windshield and rapidly See Cruise Control 0 225, Adaptive y or z : Press to go to the previous beeps or pulses the driver seat. Cruise Control 0 227 (if equipped), or next selection. or Super Cruise 0 235 (if equipped). See Forward Collision Alert (FCA) S or T : Press to move between the System 0 260. Driver Information interactive display zones in the Center (DIC) cluster. Press S to go back to the Night Vision System previous menu. The DIC display is in the instrument If equipped, this system can help the cluster. It shows the status of many SEL : Press to open a menu or select a driver see and alert the driver to vehicle systems. menu item. Press and hold to reset pedestrians or large animals ahead of values on certain screens. the vehicle beyond the area lit by the headlamps. See Driver Information Center (DIC) 0 149. See Night Vision System 0 266. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

IN BRIEF 21 Forward Automatic red flashing alert on the windshield Lane Change Alert (LCA) and rapidly beeps or pulses the driver Braking (FAB) seat. FPB can provide a boost to If equipped, the LCA system is a If the vehicle has Forward Collision braking or automatically brake the lane-changing aid that assists drivers Alert (FCA), it also has FAB, which vehicle. with avoiding lane change crashes includes Intelligent Brake Assist (IBA). that occur with moving vehicles in the See Front Pedestrian Braking (FPB) side blind zone (or spot) areas or with When the system detects a vehicle System 0 263. ahead in your path that is traveling in vehicles rapidly approaching these areas from behind. The LCA warning the same direction that you may be Lane Keep Assist (LKA) about to crash into, it can provide a display will light up in the boost to braking or automatically If equipped, LKA may help avoid corresponding outside mirror and will brake the vehicle. This can help avoid crashes due to unintentional lane flash if the turn signal is on. The Side or lessen the severity of crashes when departures. It may assist by gently Blind Zone Alert (SBZA) system is driving in a forward gear. turning the steering wheel if the included as part of the LCA system. vehicle approaches a detected lane See Side Blind Zone Alert (SBZA) 0 268 See Forward Automatic Braking (FAB) 0 0 262. marking without using a turn signal in and Lane Change Alert (LCA) 268. that direction. It may also provide a Lane Departure Warning (LDW) alert Surround Vision Front Pedestrian Braking as the lane marking is crossed. The (FPB) System system will not assist or alert if it If equipped, views around the vehicle appear in the infotainment display to If equipped, the FPB system may help detects that you are actively steering. Override LKA by turning the steering aid with parking and low-speed avoid or reduce the harm caused by maneuvers. front-end crashes with nearby wheel. LKA uses a camera to detect pedestrians when driving in a lane markings between 60 km/h (37 See “Surround Vision” under forward gear. FPB displays an amber mph) and 180 km/h (112 mph). Assistance Systems for Parking or 0 indicator, ~, when a nearby See Lane Departure Warning (LDW) Backing 251. 0 pedestrian is detected directly ahead. 270 and Lane Keep Assist (LKA) 0 When approaching a detected 270. pedestrian too quickly, FPB provides a Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

22 IN BRIEF Front Vision Camera your vehicle's path while in Automatic Parking If equipped, a view of the area in front R (Reverse). In addition, beeps will Assist (APA) of the vehicle appears on the sound, or the driver seat will pulse. infotainment display to aid with See Assistance Systems for Parking or If equipped, the APA system helps to parking and low-speed maneuvers. Backing 0 251. search for and maneuver the vehicle into parallel or perpendicular parking “ ” See Front Vision Camera under Park Assist spots using automatic steering, Assistance Systems for Parking or displays, and beeps. When the vehicle 0 Backing 251. If equipped, Rear Park Assist (RPA) speed is below 30 km/h (18 mph), uses sensors on the rear bumper to touch O to enable the system. Rear Vision Camera (RVC) assist with parking and avoiding See “Automatic Parking Assist (APA)” If equipped, RVC shows a view of the objects while in R (Reverse). It operates at speeds less than 8 km/h under Assistance Systems for Parking area behind the vehicle on the or Backing 0 251. infotainment display when the vehicle (5 mph). RPA may show a warning triangle on the infotainment display is shifted into R (Reverse) to aid with Reverse Automatic parking and low-speed backing and a graphic on the instrument maneuvers. cluster to provide the object distance. Braking (RAB) In addition, multiple beeps or seat See Assistance Systems for Parking or pulses may occur if very close to an If the vehicle has Adaptive Cruise Backing 0 251. object. Control (ACC) it also has the RAB system, which is designed to help The vehicle may also have the Front avoid or reduce the harm caused by Rear Cross Traffic Alert Park Assist system. (RCTA) System backing crashes when the vehicle is See Assistance Systems for Parking or shifted into R (Reverse). If the system If equipped, the RCTA system shows a Backing 0 251. detects the vehicle is backing too fast triangle with an arrow on the to avoid a crash with a detected object infotainment display to warn of traffic behind your vehicle in your path, it behind your vehicle that may cross may automatically brake hard to a stop. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

IN BRIEF 23 See Assistance Systems for Parking or Universal Remote System Backing 0 251. Rear Pedestrian Alert Under certain conditions, this feature can provide alerts of a pedestrian within the system’s range directly behind the vehicle. See Rear Pedestrian Alert 0 258. Surround Vision Recorder If equipped, the Surround Vision The vehicle has an accessory power Recorder records 360° camera views to outlet on the rear seat trim panel. an SD card. Only images are recorded, no sound. Lift the cover to access the accessory If equipped, this system provides a power outlet. way to replace up to three remote See Surround Vision Recorder 0 272. control transmitters used to activate See Power Outlets 0 122. devices such as garage door openers, Power Outlets security systems, and home The 12-volt accessory power outlet automation devices. can be used to plug in electrical Read the instructions completely equipment, such as a cell phone or before attempting to program the MP3 player. Universal Remote system. Because of the steps involved, it may be helpful to have another person available to assist you with programming the Universal Remote system. See Universal Remote System 0 162. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

24 IN BRIEF Sunroof Slide Switch Performance and If equipped with a sunroof, the Express-Open/Express-Close : Press Maintenance ignition must be on or in ACC/ the rear or front of D (1) to the ACCESSORY, or Retained Accessory second detent and release to Traction Control/Electronic Power (RAP) must be active, to express-open or express-close the operate the sunroof. See Ignition sunroof. Stability Control 0 Positions 200 and Retained Accessory Open/Close (Manual Mode) : The Traction Control System (TCS) Power (RAP) 0 205. Press the rear of D (1) to the first limits wheel spin. The system is on detent and hold to open the sunroof. when the vehicle is started. Press the front of D (1) to the first The StabiliTrak/Electronic Stability detent and hold to close the sunroof. Control (ESC) system assists with directional control of the vehicle in Tilt Switch difficult driving conditions. The Vent Feature : Press and hold the system is on when the vehicle is started. front of E (2) to vent the sunroof. Press and hold the rear of E (2) to . To turn off TCS, press and release Y on the center console. close the sunroof vent. i 0 illuminates in the instrument See Sunroof 59. cluster and the appropriate DIC message displays. 1. SLIDE Switch . Press and release Y again to turn 2. TILT Switch TCS back on. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

IN BRIEF 25 . To turn off both TCS and as possible and inflate the tires to the Fuel (2.0L L4 Turbo Engine) StabiliTrak/ESC, press and hold recommended pressure shown on the Y on the center console until g Tire and Loading Information label. 0 and i illuminate in the See Vehicle Load Limits 195. The instrument cluster. The warning light will remain on until the appropriate DIC message displays. tire pressure is corrected. The low tire pressure warning light . Press and release Y again to turn may come on in cool weather when on both systems. the vehicle is first started, and then Premium Recommended See Traction Control/Electronic Stability turn off as the vehicle is driven. This Use premium 93 octane — (R+M)/2 — Control 0 219. may be an early indicator that the tire unleaded gasoline in your vehicle. pressures are getting low and the tires The vehicle has Driver Mode Control. TOP TIER Detergent Gasoline is need to be inflated to the proper See Driver Mode Control 0 221. recommended. Unleaded gasoline with pressure. an octane rating as low as 87 may be Tire Pressure Monitor The TPMS does not replace normal used, but it will reduce performance monthly tire maintenance. Maintain and fuel economy. See Recommended This vehicle may have a Tire Pressure the correct tire pressures. Fuel (2.0L L4 Turbo Engine) 0 274 or Monitor System (TPMS). See Tire Pressure Monitor System Recommended Fuel (3.0L Twin Turbo 0 345. V6 and 4.2L Twin Turbo V8 Engines) 0 275 or Recommended Fuel (3.6L Tire Fill Alert (If Equipped) V6 Engine) 0 275. This feature provides visual and audible alerts outside the vehicle to help when inflating an underinflated tire to the recommended cold tire The low tire pressure warning light pressure. See “Tire Fill Alert (If alerts to a significant loss in pressure Equipped)” under Tire Pressure Monitor of one of the vehicle's tires. If the Operation 0 346. warning light comes on, stop as soon Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

26 IN BRIEF Fuel (3.0L Twin Turbo Fuel (3.6L V6 Engine) E85 or FlexFuel V6 and 4.2L Twin Turbo V8 Engines)

Regular Unleaded Fuel No E85 or FlexFuel Use only Regular 87 octane — (R+M)/ Gasoline-ethanol fuel blends greater Premium Required 2 — or higher unleaded gasoline in than E15 (15% ethanol by volume), your vehicle. TOP TIER Detergent such as E85, cannot be used in this Use premium 93 octane — (R+M)/2 — Gasoline is recommended. Do not use vehicle. unleaded gasoline in your vehicle. gasoline with an octane rating lower TOP TIER Detergent Gasoline is as it will result in reduced Engine Oil Life System recommended. Unleaded gasoline with performance and lower fuel economy. a 91 octane rating may be used, but it See Recommended Fuel (2.0L L4 Turbo The engine oil life system calculates will reduce performance and fuel Engine) 0 274 or Recommended Fuel engine oil life based on vehicle use economy. See Recommended Fuel (2.0L and displays the CHANGE ENGINE 0 (3.0L Twin Turbo V6 and 4.2L Twin L4 Turbo Engine) 274 or Turbo V8 Engines) 0 275 or OIL SOON message when it is time to Recommended Fuel (3.0L Twin Turbo Recommended Fuel (3.6L V6 Engine) change the engine oil and filter. The V6 and 4.2L Twin Turbo V8 Engines) 0 275. oil life system should be reset to 100% 0 275 or Recommended Fuel (3.6L only following an oil change. V6 Engine) 0 275. Resetting the Oil Life System 1. Using the DIC buttons, display REMAINING OIL LIFE on the DIC. See Driver Information Center (DIC) 0 149. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

IN BRIEF 27 2. Press and hold SEL to clear the Driving for Better Fuel . Replace the vehicle's tires with the CHANGE ENGINE OIL SOON same TPC Spec number molded message and reset the oil life Economy into the tire's sidewall near at 100%. Driving habits can affect fuel mileage. the size. Be careful not to reset the oil life Here are some driving tips to get the . Follow recommended scheduled display accidentally at any time best fuel economy possible: maintenance. other than after the oil is . Set the climate controls to the changed. It cannot be reset desired temperature after the Roadside Service accurately until the next oil engine is started, or turn them off change. when not required. U.S.: 1-800-224-1400 The oil life system can also be reset as . Avoid fast starts and accelerate Canada: 1-800-882-1112 follows: smoothly. TTY Users (U.S. Only): 1-888-889-2438 1. Using the DIC buttons, display . Brake gradually and avoid abrupt New Cadillac owners are automatically REMAINING OIL LIFE on the stops. enrolled in the Roadside Service DIC. See Driver Information Center . Avoid idling the engine for long Program. (DIC) 0 149. periods of time. See Roadside Service 0 401. 2. Fully press and release the . When road and weather accelerator pedal three times conditions are appropriate, use within five seconds. cruise control. If the CHANGE ENGINE OIL . Always follow posted speed limits SOON message is not on, the or drive more slowly when system is reset. conditions require. See Engine Oil Life System 0 300. . Keep vehicle tires properly inflated. . Combine several trips into a single trip. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

28 KEYS, DOORS, AND WINDOWS Keys, Doors, and Exterior Mirrors Keys and Locks Convex Mirrors ...... 51 Windows Power Mirrors ...... 51 Folding Mirrors ...... 52 Keys Heated Mirrors ...... 52 Keys and Locks Automatic Dimming Mirror ...... 52 { Warning Keys ...... 28 Reverse Tilt Mirrors ...... 52 Leaving children in a vehicle with a Remote Keyless Entry (RKE) Interior Mirrors System ...... 29 Remote Keyless Entry (RKE) Interior Rearview Mirrors ...... 53 transmitter is dangerous and Remote Keyless Entry (RKE) Automatic Dimming Rearview System Operation ...... 29 children or others could be Mirror ...... 53 seriously injured or killed. They Remote Vehicle Start ...... 36 Rear Camera Mirror ...... 53 Door Locks ...... 37 could operate the power windows Power Door Locks ...... 40 Windows or other controls or make the Delayed Locking ...... 40 Windows ...... 55 vehicle move. The windows will Automatic Door Locks ...... 40 Power Windows ...... 56 function with the RKE transmitter Lockout Protection ...... 40 Sun Visors ...... 57 in the vehicle, and children or Safety Locks ...... 41 Rear Window Sunshade ...... 58 others could be caught in the path Doors Roof of a closing window. Do not leave children in a vehicle with an RKE Trunk ...... 42 Sunroof ...... 59 transmitter. Vehicle Security Vehicle Security ...... 48 Vehicle Alarm System ...... 48 Immobilizer ...... 50 Immobilizer Operation ...... 50 Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

KEYS, DOORS, AND WINDOWS 29 To remove the key, press the button . Check the transmitter's battery. on the side of the RKE transmitter See “Battery Replacement” later in near the bottom, and pull the key out. this section. Never pull the key out without . If the transmitter is still not pressing the button. working correctly, see your dealer See your dealer if a new key is needed. or a qualified technician for Contact Roadside Service if locked out service. of the vehicle. See Roadside Service 0 401. Remote Keyless Entry With an active OnStar or connected (RKE) System Operation service plan, an OnStar Advisor may The Keyless Access system allows for remotely unlock the vehicle. See vehicle entry when the Remote OnStar Overview 0 411. Keyless Entry (RKE) transmitter is within 1 m (3 ft). See “Keyless Access Remote Keyless Entry Operation” later in this section. (RKE) System The RKE transmitter may work up to See Radio Frequency Statement 0 407. 60 m (197 ft) away from the vehicle. If there is a decrease in the Remote Other conditions can impact the Keyless Entry (RKE) operating range: performance of the transmitter. See Remote Keyless Entry (RKE) System . Check the distance. The 0 29. transmitter may be too far from the vehicle. This key, inside the Remote Keyless . Check the location. Other vehicles Entry (RKE) transmitter, is used for or objects may be blocking the the driver door. signal. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

30 KEYS, DOORS, AND WINDOWS Pressing Q may also arm the alarm If equipped with remote mirror system. See Vehicle Alarm System 0 48. folding, pressing and holding K for If equipped with remote mirror one second will unfold the mirrors, if enabled. See Vehicle Personalization folding, pressing and holding Q for 0 157. one second will fold the mirrors, if enabled. See Vehicle Personalization Press and hold K until the windows 0 157. fully open. Windows will not operate K : Press to unlock the driver door unless remote window operation is enabled. See Vehicle Personalization and the fuel door, if equipped. Press 0 K again within five seconds to unlock 157. all doors. The RKE transmitter can be / : Press and release Q and then programmed to unlock all doors on immediately press and hold / for at Q : Press to lock all doors and the the first button press. See Vehicle least four seconds to start the engine fuel door, if equipped. The turn signal Personalization 0 157. indicators may flash and/or the horn from outside the vehicle using the may sound on the second press to Lock and unlock feedback can be RKE transmitter. See Remote Vehicle personalized. See Vehicle Start 0 36. indicate locking. See Vehicle 0 Personalization 0 157. Personalization 157. When remotely 7 : Press and release one time to unlocking the vehicle at night, the initiate vehicle locator. The exterior If the driver door is open when Q is headlamps and back-up lamps will lamps flash and the horn chirps three pressed and Open Door Anti-Lockout come on for about 30 seconds to light times. Press and hold 7 for more is enabled through vehicle your approach to the vehicle. The turn personalization, all doors will lock and signal indicators may flash to indicate than three seconds to sound the panic then the driver door will immediately unlocking. alarm. The horn sounds and the turn unlock. See Vehicle Personalization signal lamps flash for 30 seconds, Pressing K will disarm the alarm 0 157. If the passenger door is open or until 7 is pressed again or the system. See Vehicle Alarm System 0 48. when Q is pressed, all doors lock. vehicle is started. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

KEYS, DOORS, AND WINDOWS 31 X : Press twice quickly to open the unlock button on the driver door Keyless Unlocking/Locking from the trunk. Press once to stop the trunk handle will unlock the driver door. Passenger Doors from moving. See Trunk 0 42. If the lock/unlock button is pressed When the doors are locked and the again within five seconds, all Keyless Access Operation RKE transmitter is within 1 m (3 ft) of passenger doors will unlock. the door handle, pressing the lock/ The Keyless Access system lets you unlock button on a passenger door lock and unlock the doors and access handle will unlock all doors. Pressing the trunk without removing the RKE the lock/unlock button will cause all transmitter from your pocket, purse, doors to lock if any of the following briefcase, etc. The RKE transmitter occur: must be within 1 m (3 ft) of the trunk . The lock/unlock button was used or door being opened. If equipped, to unlock all doors. there will be a button on the outside door handles. . Any vehicle door has opened and all doors are now closed. The Keyless Access system can be programmed to unlock all doors on Disable/Enable Keyless Unlocking of the first lock/unlock button press from Exterior Door Handles and Trunk the driver door. See Vehicle Driver Door Shown, Passenger Similar If equipped, keyless unlocking of the Personalization 0 157. Pressing the lock/unlock button will exterior door handles and trunk can If equipped with memory seats, RKE cause all doors to lock if any of the be disabled and enabled. transmitters 1 and 2 are linked to following occur: Disabling Keyless Unlocking: seating positions of memory 1 or 2. . It has been more than five seconds 0 See Memory Seats 66. since the first lock/unlock button With the vehicle off, press and hold Q Keyless Unlocking/Locking from the press. and K on the RKE transmitter at the Driver Door . Two lock/unlock button presses same time for approximately three seconds. The turn signal lamps When the doors are locked and the were used to unlock all doors. RKE transmitter is within 1 m (3 ft) of will flash four times quickly to . Any vehicle door has opened and indicate access is disabled. Using any the door handle, pressing the lock/ all doors are now closed. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

32 KEYS, DOORS, AND WINDOWS exterior handle to unlock the doors or inside the vehicle. Do not leave the Remote No Longer in Vehicle Alert open the trunk will cause the turn RKE transmitter in an unattended If the vehicle is on with a door open, signal lamps to flash four times vehicle. and then all doors are closed, the quickly, indicating access is disabled. To customize the doors to vehicle will check for RKE If disabled, disarm the alarm system automatically lock when exiting the transmitters inside. If an RKE before starting the vehicle. vehicle, see Vehicle Personalization transmitter is not detected, the Driver Enabling Keyless Unlocking: 0 157. Information Center (DIC) will display NO REMOTE DETECTED and the horn Temporary Disable of Passive With the vehicle off, press and hold Q will chirp three times. This occurs Locking and K on the RKE transmitter at the only once each time the vehicle is same time for approximately Temporarily disable passive locking by driven. To turn on or off, see Vehicle three seconds. The turn signal lamps pressing and holding K on the Personalization 0 157. will flash twice quickly to indicate interior door switch with a door open Keyless Trunk Opening access is enabled. for at least four seconds, or until three chimes are heard. Passive locking will To open the trunk, press the touch Passive Locking pad on the rear of the trunk above the then remain disabled until on the The Keyless Access system will lock Q license plate. The doors must be the vehicle several seconds after all interior door is pressed, or until the unlocked or the RKE transmitter must doors are closed if the vehicle is off vehicle is turned on. be within 1 m (3 ft). and at least one transmitter has been Remote Left In Vehicle Alert Key Access removed or none remain in the vehicle. When the vehicle is turned off and an To access a vehicle with a weak RKE transmitter is left in the vehicle, transmitter battery, see Door Locks The fuel door will also lock. the horn will chirp three times after 0 37. If other electronic devices interfere all doors are closed. To turn on or off 0 with the RKE transmitter signal, the see Vehicle Personalization 157. vehicle may not detect the RKE transmitter inside the vehicle. If passive locking is enabled, the doors may lock with the RKE transmitter Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

KEYS, DOORS, AND WINDOWS 33 Programming Transmitters to vehicle key into the key lock 5. Press ENGINE START/STOP. the Vehicle cylinder on the driver door When the transmitter is learned, handle, then turn the key the DIC display will show that it Only RKE transmitters programmed to counterclockwise to the unlock is ready to program the next the vehicle will work. If a transmitter position five times within transmitter. is lost or stolen, a replacement can be 10 seconds. purchased and programmed through 6. Remove the transmitter from the your dealer. The vehicle can be The DIC displays READY FOR transmitter pocket and press K REMOTE #2, 3, 4, ETC. reprogrammed so that lost or stolen or Q on the transmitter. transmitters no longer work. Each vehicle can have up to eight To program additional transmitters matched to it. transmitters, repeat Steps 4–6. Programming with Recognized When all additional transmitters Transmitters are programmed, press and hold ENGINE START/STOP for A new transmitter can be programmed approximately 12 seconds to exit to the vehicle when there are two programming mode. recognized transmitters. 7. Put the vehicle key back into the To program, the vehicle must be off transmitter. and all transmitters, both currently recognized and new, must be 8. Replace the key lock cylinder 0 with you. cap. See Door Locks 37. 1. Remove the vehicle key from the 4. Place the new transmitter into Programming without Recognized recognized transmitter. the transmitter pocket. The Transmitters center console storage area will 2. Place the two recognized need to be opened. If two currently recognized transmitters in the cupholder. transmitters are not available, follow this procedure to program up to eight 3. Remove the key lock cylinder cap transmitters. This feature is not on the driver door handle. See available in Canada. This procedure Door Locks 0 37. Insert the Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

34 KEYS, DOORS, AND WINDOWS will take approximately 30 minutes to 4. Repeat Step 3 two additional 6. Press ENGINE START/STOP. complete. The vehicle must be off and times. After the third time all When the transmitter is learned, all transmitters to be programmed previously known transmitters the DIC display will show that it must be with you. will no longer work with the is ready to program the next 1. Remove the vehicle key from the vehicle. Remaining transmitters transmitter. transmitter. can be relearned during the next 7. Remove the transmitter from the steps. 2. Remove the key lock cylinder cap transmitter pocket and press K The DIC display should now on the driver door handle. See or Q on the transmitter. Door Locks 0 37. Insert the show READY FOR REMOTE # 1. vehicle key into the key lock To program additional – cylinder on the driver door transmitters, repeat Steps 5 7. handle, then turn the key When all additional transmitters counterclockwise to the unlock are programmed, press and hold position five times within ENGINE START/STOP for 10 seconds. approximately 12 seconds to exit The DIC displays REMOTE programming mode. LEARN PENDING, 8. Put the vehicle key back into the PLEASE WAIT. transmitter. 3. Wait for 10 minutes until the 9. Replace the key lock cylinder DIC displays PRESS ENGINE cap. See Door Locks 0 37. START BUTTON TO LEARN and then press ENGINE Starting the Vehicle with a Low 5. Place the new transmitter in the Transmitter Battery START/STOP. transmitter pocket. The center The DIC display will again show console storage area will need to If the transmitter battery is weak or if REMOTE LEARN PENDING, be opened. there is interference with the signal, PLEASE WAIT. the DIC may display NO REMOTE DETECTED or NO REMOTE KEY WAS DETECTED PLACE KEY IN Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

KEYS, DOORS, AND WINDOWS 35 TRANSMITTER POCKET THEN Battery Replacement START YOUR VEHICLE when starting the vehicle. Caution To start the vehicle: When replacing the battery, do not 1. Open the center console touch any of the circuitry on the storage area. transmitter. Static from your body could damage the transmitter.

Replace the battery if the DIC displays REPLACE BATTERY IN REMOTE KEY. 2. Separate the two halves of the transmitter using a flat tool inserted into the bottom center of the transmitter. Do not use the key slot.

2. Place the transmitter in the transmitter pocket. 3. With the vehicle in P (Park) or N (Neutral) press the brake pedal and ENGINE START/STOP. 1. Press the button on the side of Replace the transmitter battery the RKE transmitter near the as soon as possible. bottom and pull the key out. Never pull the key out without pressing the button. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

36 KEYS, DOORS, AND WINDOWS

/ : This button is on the RKE The RKE transmitter range may be transmitter for remote start. shorter while the vehicle is running. The climate control system will use Other conditions can affect the the previous settings during a remote performance of the transmitter. See start. The rear window defogger may Remote Keyless Entry (RKE) System 0 come on during remote start based on 29. cold ambient conditions. The rear Starting the Engine Using Remote defog indicator light does not come on Start during remote start. 1. Press and release on the RKE If equipped, the heated steering wheel Q may come on during cold weather transmitter. when enabled in vehicle 3. Remove the old battery. Do not 2. Immediately press and hold / personalization. See Vehicle use a metal object. 0 for at least four seconds or until Personalization 157. the turn signal lamps flash. This 4. Insert the new battery on the If equipped, the heated and ventilated confirms the request to remote back housing, positive side facing front seats may also come on when start the vehicle has been down. Replace with a CR2032 or the vehicle personalization setting is received. equivalent battery. enabled. See Heated and Ventilated 0 During the remote start, the 5. Align the front and back housing, Front Seats 69. doors will be locked and the then snap the transmitter Laws in some local communities may parking lamps will remain on as together. restrict the use of remote starters. For long as the engine is running. 6. Reinsert the key. example, some laws may require a The engine will shut off after person using remote start to have the 15 minutes unless a time Remote Vehicle Start vehicle in view. Check local extension is done or the vehicle regulations for any requirements. This feature allows the engine to be is started. started from outside the vehicle. If your vehicle is low on fuel, do not 3. Press the brake pedal and start use the remote start feature. The the vehicle to drive. vehicle may run out of fuel. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

KEYS, DOORS, AND WINDOWS 37 Extending Engine Run Time . Turn on the hazard warning Door Locks The engine run time can also be flashers. extended by another 15 minutes, . Turn the vehicle on and then off. { Warning if during the first 15 minutes Conditions in Which Remote Start Steps 1 and 2 are repeated while the Unlocked doors can be dangerous. Will Not Work engine is still running. An extension . Passengers, especially can be requested 30 seconds after The remote start will not operate if children, can easily open the starting. This provides a total of any of the following occur: doors and fall out of a moving 30 minutes. . The ignition is in any mode other vehicle. The doors can be The remote start can only be than off. unlocked and opened while extended once. . A transmitter is in the vehicle. the vehicle is moving. The chance of being thrown out of When the remote start is extended, . The hood is not closed. the second 15-minute period is added the vehicle in a crash is on to the first 15 minutes for a total . The hazard warning flashers increased if the doors are not of 30 minutes. are on. locked. So, all passengers should wear seat belts A maximum of two remote starts, or a . There is an emission control properly and the doors should remote start with an extension, are system malfunction. be locked whenever the allowed between ignition cycles. . The engine coolant temperature is vehicle is driven. The vehicle's ignition must be turned too high. . Young children who get into from on to off before the remote start . The oil pressure is low. unlocked vehicles may be procedure can be used again. unable to get out. A child can . Two remote vehicle starts or a be overcome by extreme heat Canceling a Remote Start start with an extension have and can suffer permanent already been used. To cancel a remote start, do any of injuries or even death from the following: . The vehicle is not in P (Park). heat stroke. Always lock the vehicle whenever leaving it. . Press and hold / until the parking lamps turn off. (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

38 KEYS, DOORS, AND WINDOWS Keyless Access Driver Door Key Lock Cylinder Warning (Continued) Access (In Case of Dead Battery) . Outsiders can easily enter through an unlocked door when you slow down or stop the vehicle. Locking the doors can help prevent this from happening.

To lock or unlock the door from outside the vehicle: . Press Q or K on the Remote Keyless Entry (RKE) transmitter. Press the lock/unlock button when the . In the case of a dead battery, use RKE transmitter is within 1 m (3 ft) of To access the driver door key lock the key in the driver door. The key the driver door handle. When cylinder: cylinder is covered with a cap. unlocking from the driver door, the 1. Pull the door handle (1) to the To lock or unlock the door from inside first press unlocks that door; press open position and hold it open the vehicle: again within five seconds to unlock all until the cap removal is passenger doors. See Remote Keyless complete. . Press Q or K on the power door Entry (RKE) System Operation 0 29. lock switch. 2. Insert the key into the slot (3) on the bottom of the cap (2) and lift . Pulling an interior door handle the key upward. will unlock the door. Pulling the door handle again unlatches it. 3. Move the cap (2) rearward and remove. 4. Use the key in the cylinder. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

KEYS, DOORS, AND WINDOWS 39 To replace the cap: 3. Slide the cap forward and press 1. Pull the door handle (1) to the the forward edge to install the open position and hold it open cap in place. until the cap installation is 4. Release the door handle. complete. 5. Check that the cap is secure. Free-Turning Locks The door key lock cylinder turns freely when either the wrong key is used, or the correct key is not fully inserted. The free-turning door lock feature prevents the lock from being forced open. To reset the lock, turn it to the vertical position with the correct key fully inserted. Remove the key and insert it again. If this does not reset the lock, turn the key halfway around in the cylinder and repeat the reset 2. Insert the two tabs (6) at the procedure. back of the cap between the seal (5) and the metal base (4). Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

40 KEYS, DOORS, AND WINDOWS Power Door Locks When Q is pressed on the power door To unlock the doors: lock switch while the door is open, a . Press K on the power door lock chime will sound three times switch. indicating delayed locking is active. . Shift the transmission into The doors will lock automatically P (Park). five seconds after all doors are closed. If a door is reopened before that time, Automatic door locking cannot be the five-second timer will reset when disabled. Automatic door unlocking all doors are closed again. can be programmed. See Vehicle Personalization 0 157. Press Q on the door lock switch again or press Q on the RKE transmitter to Lockout Protection lock the doors immediately. If the ignition is on or in ACC/ This feature can also be programmed. ACCESSORY, and the power door lock See Vehicle Personalization 0 157. Q : Press to lock the doors. switch is pressed with the driver door open, all the doors will lock and only K : Press to unlock the doors. Automatic Door Locks the driver door will unlock. Delayed Locking The doors will lock automatically If the vehicle is off and locking is when all doors are closed, the ignition requested while a door is open, when This feature delays the locking of the is on, and the vehicle is shifted out of all doors are closed the vehicle will doors until five seconds after all doors P (Park). check for RKE transmitters inside. are closed. If an RKE transmitter is detected and If a vehicle door is unlocked and then the number of RKE transmitters inside Delayed locking can only be turned on opened and closed, the doors will lock has not reduced, the driver door will when the Open Door Anti-Lockout has either when your foot is removed from unlock and the horn will chirp three been turned off. the brake or the vehicle speed times. Lockout protection can be becomes faster than 13 km/h (8 mph). Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

KEYS, DOORS, AND WINDOWS 41 manually overridden with the driver Manual Safety Locks To open a rear door when the safety door open by pressing and holding Q lock is on: on the power door lock switch. 1. Unlock the door by activating the Open Door Anti-Lockout inside handle, by pressing the power door lock switch, or by If Open Door Anti-Lockout is turned using the Remote Keyless on and the vehicle is off, the driver Entry (RKE) transmitter. door is open, and locking is requested, all the doors will lock and the driver 2. Open the door from the outside. door will remain open. Press the When the safety lock is enabled, button again to lock the driver door. adults and older children will not be The Open Door Anti-Lockout feature able to open the rear door from the can be turned on or off. See Vehicle inside. Cancel the safety locks to Personalization 0 157. enable the doors to open from the If equipped, the safety lock is on the inside. Safety Locks inside edge of the rear doors. To use To cancel the safety lock: The rear door safety locks prevent the safety lock: 1. Unlock the door and open it passengers from opening the rear 1. Move the lever down to the lock from the outside. doors from inside the vehicle. position. 2. Move the lever up to unlock. Do 2. Close the door. the same for the other door. 3. Do the same for the other rear door. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

42 KEYS, DOORS, AND WINDOWS . Press X twice quickly on the Doors Warning (Continued) Remote Keyless Entry (RKE) Trunk set the fan speed to the transmitter. highest setting. See “Climate { Warning Control Systems” in the Index. See Engine Exhaust 0 208. Exhaust gases can enter the vehicle if it is driven with the liftgate or trunk/hatch open, or with any To open the trunk, the vehicle must objects that pass through the seal be off or the transmission must be in P (Park). between the body and the trunk/ hatch or liftgate. Engine exhaust Manual Trunk contains carbon monoxide (CO) which cannot be seen or smelled. It can cause unconsciousness and even death. . Press the touch pad on the rear of If the vehicle must be driven with the trunk above the license plate the liftgate or trunk/hatch open: when all doors are unlocked. . Close all of the windows. For Keyless Access, the trunk can be opened while the vehicle is locked by . Fully open the air outlets on pressing the touch pad above the or under the instrument license plate while the RKE panel. transmitter is within 1 m (3 ft) of the . Adjust the climate control rear of the vehicle. See Remote Keyless system to a setting that Entry (RKE) System Operation 0 29. brings in only outside air and . Press | on the driver door. (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

KEYS, DOORS, AND WINDOWS 43 Close the trunk by pulling on the To close the power trunk: handle. Do not use the handle as a Caution (Continued) tie-down. Do not press the touch pad . Press and hold | on the driver while closing the trunk; this will cause vehicle equipped with the power door until the trunk latches. the trunk lid to be unlatched. trunk feature. This may damage the A chime will sound and a DIC power trunk system. message will display when the The trunk has an electric latch. If the operation is complete. vehicle has lost power or the battery is disconnected, the trunk will not If equipped, to open the power trunk: open. If this happens, use the . Press and release | on the emergency trunk release handle. driver door. The driver door must Power Trunk be unlocked, the ignition must be on, or Retained Accessory Power Caution (RAP) must be active. . Press X twice quickly on the RKE You or others could be injured if transmitter. caught in the path of the power trunk. Make sure there is no one in . Press the touch pad on the rear of the way of the power trunk as it is the trunk after unlocking all doors opening and closing. or with the RKE transmitter in range for Keyless Access. . Press the power trunk button on Monitor the trunk area to make sure the trunk lid. nothing will come in contact or move Caution Press any trunk button or the touch into the path of the trunk lid when pad to stop the power operation. power closing. Do not mount any load-carrying Pressing a trunk button again starts accessories, such as a bike rack or the operation in the reverse direction. luggage carriers, to the trunk of a The touch pad will not close the trunk lid. (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

44 KEYS, DOORS, AND WINDOWS Do not manually force the trunk lid Hands-Free Power Trunk open or closed during a power cycle. If equipped, the power trunk may be The power trunk may be temporarily operated with a kicking motion under disabled under extreme low the rear bumper at the location of the temperatures, or after repeated power projected logo. The RKE transmitter cycling over a short period of time. must be within 1 m (3 ft). The trunk can be opened manually. The hands-free feature will not work Obstacle Detection Features while the trunk lid is moving. To stop If there is an obstruction during a the trunk while in motion, use one of power open or close cycle, a closing the power trunk buttons. trunk will reverse direction and an The hands-free feature can be opening trunk will stop power customized. See Vehicle Personalization operation. If there are multiple 0 157. Choose from the following: obstructions on the same power cycle, the power function will deactivate. On-Open and Close : The kicking After removing the obstructions, motion is activated to both open and manually close the trunk lid to allow close the trunk. normal power operation functions to On-Open Only : The kicking motion is resume. activated to only open the trunk. If the vehicle is locked and an Off : The feature is disabled. obstacle prevents the trunk from closing and latching, the horn will sound as an alert that the trunk did not close. To operate, kick your foot straight up in one swift motion under the center of the rear bumper at the location of the projected logo, then pull it back. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

KEYS, DOORS, AND WINDOWS 45 . Do not sweep your foot side The projected logo will not work to side. under these conditions: . Do not keep your foot under the . The vehicle battery is low. bumper; it will not activate. . The transmission is not in . Do not touch the trunk lid until it P (Park). has stopped moving. . Hands Free Trunk Control is set to . This feature may be temporarily Off in vehicle personalization. See disabled under some conditions. Vehicle Personalization 0 157. If it does not respond to the kick, . Power trunk is turned off. operate the power trunk by another method or start the . The vehicle remains parked for vehicle and the feature will be 72 hours or more, with no RKE 1. 1 m (3 ft) Hands-Free re-enabled. transmitter use or Keyless Access Operation Detection Zone operation. To re-enable, press any When closing the power trunk using 2. 2 m (6 ft) Projected Logo button on the RKE transmitter or this feature, there will be a short Detection Zone open and close a vehicle door. delay. The taillamps will flash and a The projected logo shows where the chime will sound. Move away from the The projected logo will not work for a kicking motion is to take place. trunk before it starts moving. single RKE transmitter when a The projected logo will only be transmitter: Projected Logo available for this RKE transmitter after . Has been left within If equipped with this feature, a vehicle it has been out of range for at least approximately 5 m (15 ft) of the logo will be projected for one minute 20 seconds. trunk for several minutes. onto the ground near the rear bumper If an RKE transmitter is again when an RKE transmitter is detected . Has been left inside the vehicle detected within approximately 2 m and all vehicle doors are closed. within approximately 2 m (6 ft). The (6 ft) of the trunk, or another projected logo may not be visible hands-free operation has been . Has approached the area outside under brighter daytime conditions. detected, the one-minute timer will be of the trunk five times within reset. 10 minutes. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

46 KEYS, DOORS, AND WINDOWS Hands-Free Trunk and Projected Logo Availability Action Hands-Free Trunk Projected Logo RKE transmitter entering projected logo Operative On for one minute detection zone RKE transmitter left inside projected Operative Off until RKE transmitter button press logo detection zone for minimum of or a door is opened and closed 10 minutes RKE transmitter brought in and out of Operative Off for one hour or until RKE projected logo detection zone five times transmitter button press or a door is or more within 10 minutes opened and closed Vehicle remains parked for more than Operative Off until RKE transmitter button press 72 hours or a door is opened and closed Vehicle battery is low Non-operative Off Transmission is not in P (Park) Non-operative Off Power trunk is turned off Non-operative Off Hands-free trunk is disabled in vehicle Non-operative Off personalization Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

KEYS, DOORS, AND WINDOWS 47 Lens Cleaning Emergency Trunk Release exposure to light. Pull the release Handle handle to open the trunk from the inside.

Clean the recessed lens using a soft, dampened cloth. Caution After pulling the emergency trunk release handle, push the handle back Do not use the emergency trunk into the bezel. release handle as a tie-down or anchor point when securing items Rear Seat Pass-Through in the trunk as it could damage the If equipped, use the rear seat handle. pass-through door when transporting long items. See Rear Seat Pass-Through 0 There is a glow-in-the-dark emergency Door 75. trunk release handle on the trunk lid. This handle will glow following Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

48 KEYS, DOORS, AND WINDOWS Vehicle Security Fast Flash : Vehicle is unsecured. If the driver door is opened without A door, the hood, or the trunk is open. first unlocking with the RKE This vehicle has theft-deterrent Slow Flash : Alarm system is armed. transmitter, the horn will chirp and features; however, they do not make the lights will flash to indicate the vehicle impossible to steal. Arming the Alarm System pre-alarm. If the vehicle is not started, or the door is not unlocked by 1. Turn off the vehicle. Vehicle Alarm System pressing K on the RKE transmitter 2. Lock the vehicle in one of during the 10-second pre-alarm, the This vehicle has an anti-theft alarm three ways: system. alarm will be activated. . Use the RKE transmitter. The alarm will also be activated if a . Use the Keyless Access passenger door, the trunk, or the hood system. is opened without first disarming the system. When the alarm is activated, . With a door open, press Q the turn signals flash and the horn on the interior of the door. sounds for about 30 seconds. The 3. After 30 seconds the alarm alarm system will then re-arm to system will arm, and the monitor the next unauthorized event. indicator light will begin to Disarming the Alarm System slowly flash indicating the alarm system is operating. Pressing Q To disarm the alarm system or turn on the RKE transmitter a second off the alarm if it has been activated: time will bypass the 30-second . Press K on the RKE transmitter. The indicator light, on the instrument delay and immediately arm the panel near the windshield, indicates alarm system. . Unlock the vehicle using the the status of the system. Keyless Access system. The vehicle alarm system will not arm Off : Alarm system is disarmed. if the doors are locked with the key. . Start the vehicle. On Solid : Vehicle is secured during the delay to arm the system. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

KEYS, DOORS, AND WINDOWS 49 To avoid setting off the alarm by Power Sounder, Inclination Before arming the theft-deterrent accident: Sensor, and Intrusion Sensor system and activating the intrusion sensor: . Lock the vehicle after all In addition to the standard occupants have left the vehicle theft-deterrent system features, this . Make sure all doors and windows and all doors are closed. system may also have a power are completely closed. . Always unlock a door with the sounder, inclination sensor, and . Secure any loose items such as RKE transmitter or use the Keyless intrusion sensor. sunshades. Access system. The power sounder provides an . Make sure there are no Unlocking the driver door with the key audible alarm, which is distinct from obstructions blocking the sensors will not disarm the system or turn off the vehicle’s horn. It has its own in the front overhead console. the alarm. power source, and can sound an alarm if the vehicle’s battery is Inclination and Intrusion How to Detect a Tamper compromised. Sensors Disable Switch Condition The inclination sensor can set off the It is recommended that the intrusion If K is pressed on the RKE alarm if it senses movement of the and inclination sensors be deactivated transmitter and the horn chirps and vehicle, such as a change in vehicle if pets are left in the vehicle or if the the lights flash three times, a previous orientation. vehicle is being transported. alarm occurred while the system was The intrusion sensor monitors the armed. vehicle interior, and can activate the If the alarm has been activated, a alarm if it senses unauthorized entry message will appear on the Driver into the vehicle’s interior. Do not Information Center (DIC). allow passengers or pets to remain in the vehicle when the intrusion sensor is activated. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

50 KEYS, DOORS, AND WINDOWS The vehicle is automatically When trying to start the vehicle, the immobilized when the vehicle is security light may come on briefly turned off. when the ignition is turned on. The immobilization system is If the engine does not start and the disarmed when the vehicle is started security light stays on, there is a or the ignition is in ACC/ACCESSORY problem with the system. Turn the and a valid transmitter is present in ignition off and try again. the vehicle. If the vehicle will not change ignition modes (ACC/ACCESSORY, on, off), and the RKE transmitter appears to be undamaged, try another transmitter. Or, you may try placing the With the vehicle turned off, press o transmitter in the transmitter pocket in the front overhead console. The located in the center console. See indicator light will come on Remote Keyless Entry (RKE) System momentarily, indicating that these The security light, in the instrument Operation 0 29. cluster, comes on if there is a problem sensors have been disabled for the If the ignition modes will not change with arming or disarming the next alarm system arming cycle. with the other transmitter or with the theft-deterrent system. transmitter in the transmitter pocket, Immobilizer The system has one or more RKE your vehicle needs service. If the See Radio Frequency Statement 0 407. transmitters matched to an ignition does change modes, the first immobilizer control unit in the transmitter may be faulty. See your Immobilizer Operation vehicle. Only a correctly matched RKE dealer. transmitter will start the vehicle. This vehicle has a passive If the transmitter is ever damaged, theft-deterrent system. you may not be able to start your The system does not have to be vehicle. manually armed or disarmed. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

KEYS, DOORS, AND WINDOWS 51 It is possible for the immobilizer Exterior Mirrors Power Mirrors system to learn new or replacement RKE transmitters. Up to eight transmitters can be programmed for Convex Mirrors the vehicle. To program additional transmitters, see “Programming { Warning Transmitters to the Vehicle” under Remote Keyless Entry (RKE) System A convex mirror can make things, Operation 0 29. like other vehicles, look farther away than they really are. If you cut Do not leave the transmitter or device too sharply into the right lane, you that disarms or deactivates the theft-deterrent system in the vehicle. could hit a vehicle on the right. Check the inside mirror or glance over your shoulder before changing lanes. 1. Move the selector switch to L (Left) or R (Right) to choose the The passenger side mirror is convex driver or passenger mirror. shaped. A convex mirror's surface is 2. Press one of the four arrows to curved so more can be seen from the move the mirror. driver seat. 3. Move the selector switch to ) to deselect the mirror. Memory Mirrors The vehicle may have memory mirrors. See Memory Seats 0 66. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

52 KEYS, DOORS, AND WINDOWS Lane Change Alert (LCA) This feature is turned on or off Reverse Tilt Mirrors through vehicle personalization. See The vehicle may have LCA. See Lane If equipped with memory seats, the 0 Vehicle Personalization 0 157. Change Alert (LCA) 268. passenger and/or driver mirror tilts to Turn Signal Indicator Manual Folding Mirrors a preselected position when the vehicle is in R (Reverse). This allows The vehicle has a turn signal indicator If equipped, the mirrors can be folded inward toward the vehicle to prevent the curb to be seen when parallel on the mirror housings. The indicator parking. will flash when a turn signal or the damage when going through an hazard warning flashers are used. automatic car wash. Push the mirror The mirror(s) return to the original outward to return it to the original position when: position. Folding Mirrors . The vehicle is shifted out of R (Reverse), or remains in Power Folding Mirrors Heated Mirrors R (Reverse) for about 30 seconds. If equipped with power folding The rear window defogger also heats . The ignition is turned off. mirrors, press the down arrow on the the outside mirrors. . The vehicle is driven in control pad while the selector switch K : Press to heat the outside mirrors. is at ). Press again to unfold. R (Reverse) above a set speed. See Automatic Climate Control System 0 To turn this feature on or off, see Remote Mirror Folding (Dual Zone) 175 or Automatic Climate Vehicle Personalization 0 157. Control System (Quad Zone) 0 180. If equipped, press and hold Q on the RKE transmitter for approximately Automatic Dimming Mirror one second to remotely fold the exterior mirrors. Press and hold K on The vehicle has automatic dimming the RKE transmitter for approximately outside mirrors. The mirrors will one second to unfold. See Remote adjust for the glare of the headlamps Keyless Entry (RKE) System Operation behind you. 0 29. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

KEYS, DOORS, AND WINDOWS 53 Interior Mirrors Interior Rearview Mirrors Adjust the rearview mirror for a clear view of the area behind your vehicle. Do not spray glass cleaner directly on the mirror. Use a soft towel dampened with water. Automatic Dimming Rearview Mirror Pull the tab to turn on the display. Press V to scroll through the The vehicle has an automatic Push the tab to turn it off. When off adjustment options. dimming rearview mirror. The mirror the mirror is automatic dimming. will automatically reduce the glare Adjust the mirror for a clear view of Press t and u to adjust the settings from the headlamps from behind. The the area behind the vehicle while the using the indicators on the mirror. dimming feature comes on when the display is off. The indicators will remain visible for vehicle is started. five seconds after the last button activation, and the settings will Rear Camera Mirror remain saved. If equipped, this automatic dimming mirror provides a wide angle camera view of the area behind the vehicle. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

54 KEYS, DOORS, AND WINDOWS The adjustment options are: { Warning

The Rear Camera Mirror (RCM) has a limited view. Portions of the road, vehicles, and other objects may not be seen. Do not drive or park the vehicle using only this camera. Objects may appear closer than they are. Check the outside mirrors or glance over your shoulder when making lane changes or merging. Failure to use proper care may . Tilt result in injury, death, or vehicle damage. . Brightness

. Zoom Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

KEYS, DOORS, AND WINDOWS 55 Troubleshooting The Rear Camera Mirror may not work Windows properly or display a clear image if: . There is glare from the sun or { Warning headlamps. This may obstruct objects from view. Never leave a child, a helpless adult, . Dirt, snow, or other debris blocks or a pet alone in a vehicle, the camera lens. Clean the lens especially with the windows closed with a soft damp cloth, or if in warm or hot weather. They can equipped, with the Rear Camera be overcome by the extreme heat Washer. See Windshield Wiper/ and suffer permanent injuries or Washer 0 120. even death from heat stroke. . The camera’s mounting on the vehicle has been damaged, and/or See your dealer for service if a blue the position or the mounting angle screen and 3 are displayed in the of the camera has changed. mirror, and the display shuts off. Also, push the tab as indicated to return to the automatic dimming mode.

The vehicle aerodynamics are designed to improve fuel economy performance. This may result in a Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

56 KEYS, DOORS, AND WINDOWS pulsing sound when either rear Window Lockout window is down and the front windows are up. To reduce the sound, open either a front window or the sunroof, if equipped. Power Windows

{ Warning

Children could be seriously injured or killed if caught in the path of a closing window. Never leave the Power windows work when the Remote Keyless Entry (RKE) ignition is on, in ACC/ACCESSORY, transmitter in a vehicle with or when Retained Accessory Power This feature stops the rear passenger children. When there are children in (RAP) is active. See Retained Accessory windows from working. the rear seat, use the window Power (RAP) 0 205. . Press Z to engage the rear lockout switch to prevent operation Using the window switch, press to of the windows. See Keys 0 28. window lockout feature. The open or pull to close the window. indicator light is on when engaged. The windows may be temporarily disabled if they are used repeatedly . Press Z again to disengage. within a short time. Window Express Movement All windows can be opened without holding the window switch. Press the switch down fully and quickly release to express open the window. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

KEYS, DOORS, AND WINDOWS 57 If equipped, pull the window switch 4. Open the window and continue up fully and quickly release to express Warning (Continued) to press the switch briefly after close the window. the window has fully opened. override, make sure that all people Briefly press or pull the window and obstructions are clear of the Remote Window Operation switch in the same direction to stop window path. that window’s express movement. If equipped, this feature allows all the windows to be opened remotely. Window Automatic Reversal When the engine is on, override the If enabled in vehicle personalization, System automatic reversal system by pulling press and hold K on the RKE The express-close feature will reverse and holding the window switch if transmitter. See Vehicle Personalization 0 window movement if it comes in conditions prevent it from closing. 157. contact with an object. Extreme cold Programming the Power or ice could cause the window to Windows Sun Visors auto-reverse. The window will operate normally after the object or condition Programming may be necessary if the is removed. vehicle battery has been disconnected or discharged. If the window is unable Automatic Reversal System to express-up, program each Override express-close window: 1. Close all doors. { Warning 2. Turn the ignition on or to ACC/ If automatic reversal system ACCESSORY. override is active, the window will 3. Partially open the window to be not reverse automatically. You or programmed. Then close it and others could be injured and the continue to pull the switch window could be damaged. Before briefly after the window has fully using automatic reversal system closed. (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

58 KEYS, DOORS, AND WINDOWS Pull the sun visor down to block glare. it is extended. It may re-extend after a Rear Passenger Door Sunshades Detach the sun visor from the center short delay when shifting into D mount to pivot to the side window, (Drive). or to extend along the rod. Rear Window Sunshade

If equipped, use the handle to pull the sunshade up and attach to the holder There is also a control for the rear at the top of the window. window sunshade on the rear door To close the sunshade, use the handle panel. to unhook and hold it while it If equipped, press and release the retracts down. switch. The rear window sunshade will fully extend. To close the sunshade, press and release the switch again. The sunshade will fully close. When shifting the vehicle into R (Reverse), the rear window sunshade will automatically retract if Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

KEYS, DOORS, AND WINDOWS 59 Roof Slide Switch Power Sunshades Express-Open/Express-Close : Press Sunroof the rear or front of D (1) to the If equipped with a sunroof, the second detent and release to ignition must be on or in ACC/ express-open or express-close the ACCESSORY, or Retained Accessory sunroof. Power (RAP) must be active, to Open/Close (Manual Mode) : operate the sunroof. See Ignition Press the rear of D (1) to the first 0 Positions 200 and Retained Accessory detent and hold to open the sunroof. Power (RAP) 0 205. Press the front of D (1) to the first detent and hold to close the sunroof. Tilt Switch Vent Feature : Press and hold the If equipped, press F to open or front of E (2) to vent the sunroof. close the front sunroof sunshade. Press and hold the rear of E (2) to close the sunroof vent.

1. SLIDE Switch 2. TILT Switch Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

60 KEYS, DOORS, AND WINDOWS The rear door panels have controls for the rear sunroof sunshade. Press Q to open or close. Automatic Reversal System The sunroof has an automatic reversal system that is only active when the sunroof is operated in express-close mode. If an object is in the path while express closing, the reversal system will detect an object, stop, and open Dirt and debris may collect on the If equipped, press G to open or the sunroof again. sunroof seal or in the track. This close the rear sunroof sunshade. If frost or other conditions prevent could cause an issue with sunroof closing, override the feature by closing operation or noise. It could also plug the sunroof in manual mode. To stop the water drainage system. movement, release the switch. Periodically open the sunroof and remove any obstacles or loose debris. Wipe the sunroof seal and roof sealing area using a clean cloth, mild soap, and water. Do not remove grease from the sunroof. If water is seen dripping into the water drainage system, this is normal. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

SEATS AND RESTRAINTS 61 Safety System Check ...... 82 Replacing LATCH System Parts Seats and Restraints Seat Belt Care ...... 82 After a Crash ...... 107 Replacing Seat Belt System Parts Securing Child Restraints (With Head Restraints after a Crash ...... 82 the Seat Belt in the Rear Seat) ...... 108 Head Restraints ...... 62 Airbag System Securing Child Restraints (With Front Seats Airbag System ...... 83 the Seat Belt in the Where Are the Airbags? ...... 85 Front Seat) ...... 110 Power Seat Adjustment ...... 64 When Should an Airbag Lumbar Adjustment ...... 64 Inflate? ...... 86 Thigh Support Adjustment ...... 65 What Makes an Airbag Inflate? . . . 87 Reclining Seatbacks ...... 66 How Does an Airbag Restrain? . . . 87 Memory Seats ...... 66 What Will You See after an Airbag Heated and Ventilated Front Inflates? ...... 88 Seats ...... 69 Passenger Sensing System ...... 89 Massage ...... 71 Servicing the Airbag-Equipped Rear Seats Vehicle ...... 93 Rear Seats ...... 72 Adding Equipment to the Lumbar Adjustment ...... 73 Airbag-Equipped Vehicle ...... 93 Heated and Ventilated Rear Airbag System Check ...... 94 Seats ...... 74 Replacing Airbag System Parts Rear Seat Pass-Through Door . . . . . 75 after a Crash ...... 95 Seat Belts Child Restraints Seat Belts ...... 75 Older Children ...... 95 How to Wear Seat Belts Infants and Young Children ...... 97 Properly ...... 76 Child Restraint Systems ...... 99 Lap-Shoulder Belt ...... 78 Where to Put the Restraint ...... 101 Seat Belt Use During Lower Anchors and Tethers for Pregnancy ...... 81 Children (LATCH System) ...... 102 Seat Belt Extender ...... 81 Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

62 SEATS AND RESTRAINTS Head Restraints The vehicle’s front seats have adjustable head restraints in the outboard seating positions.

{ Warning

With head restraints that are not installed and adjusted properly, there is a greater chance that occupants will suffer a neck/spinal injury in a crash. Do not drive until Adjust the head restraint so that the Pull the head restraint up to raise it. the head restraints for all occupants top of the restraint is at the same Try to move the head restraint to are installed and adjusted properly. height as the top of the occupant's make sure that it is locked in place. If your vehicle has rear head head. This position reduces the To lower the head restraint, press the restraints that fold down, always chance of a neck injury in a crash. button located on top of the seatback, return them to the full upright Front Seats and push the head restraint down. Try position whenever an occupant is to move the head restraint after the seated in the seat. The vehicle's front seats have button is released to make sure that it adjustable head restraints in the is locked in place. outboard seating positions. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

SEATS AND RESTRAINTS 63 Rear Seats To lower the head restraint, press the button, located on the top of the The vehicle's rear seats have seatback, and push the head restraint adjustable head restraints in the down. Try to move the head restraint outboard seating positions. after the button is released to make The height of the head restraint can sure that it is locked in place. be adjusted. Pull the head restraint up Always adjust the head restraint so to raise it. Try to move the head that the top of the restraint is at the restraint to make sure that it is locked same height as the top of the in place. occupant's head. Rear outboard head restraints are not removable. The fore and aft position of the head restraint can be adjusted. The rear outboard head restraints are not designed to be folded. To adjust the head restraint forward and rearward, press the button located on the side facing of the head restraint and move it forward or rearward until the desired locking position is reached. Try to move the head restraint after the button is released to make sure that it is locked in place. The front seat outboard head restraints are not designed to be removed. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

64 SEATS AND RESTRAINTS Front Seats Some vehicles are equipped with a feature that activates a vibrating pulse alert in the driver seat to help avoid Power Seat Adjustment crashes. See Driver Assistance Systems 0 250. { Warning Lumbar Adjustment You can lose control of the vehicle if you try to adjust a driver seat Base Lumbar Adjustment while the vehicle is moving. Adjust the driver seat only when the vehicle is not moving. To adjust: . Move the seat forward or rearward { Warning by sliding the control forward or rearward. The power seats will work with the ignition off. Children could operate . Raise or lower the front part of the the power seats and be injured. seat cushion by moving the front Never leave children alone in the of the control up or down. vehicle. . Raise or lower the seat by moving the rear of the control up or down. To adjust lumbar support, if equipped: To adjust the seatback, see Reclining Seatbacks 0 66. . Press Forward (2) to move lumbar support forward. To adjust the lumbar support, see Lumbar Adjustment 0 64. . Press Rearward (1) to move lumbar support rearward. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

SEATS AND RESTRAINTS 65 Uplevel Lumbar and Upper Back 2. Select lumbar support. Thigh Support Adjustment Support Adjustment . Press Up (2) to move lumbar If equipped, the ignition must be on support upward. to use all uplevel seat features. . Press Forward (3) to move lumbar support forward. . Press Down (4) to move lumbar support down. . Press Rearward (5) to move lumbar support rearward. To adjust upper back support, if equipped: 1. Toggle the Feature Select (1) to view adjustable seat options on To adjust thigh support, if equipped: the infotainment display. 1. Toggle the Feature Select (3) to Platinum Seat 2. Select Upper Back Support. view adjustable seat options on 3. Press Forward (3) to move the infotainment display. 1. Feature Select support forward or Rearward (5) 2. Select cushion length adjuster. 2. Up to move support rearward. 3. Forward 3. Press and hold the control 4. Down forward (2) to increase or rearward (1) to decrease cushion 5. Rearward length. 1. To adjust lumbar support, if equipped: Toggle the Feature Select (1) to view adjustable seat options on the infotainment display. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

66 SEATS AND RESTRAINTS Reclining Seatbacks Warning (Continued)

The shoulder belt will not be against your body. Instead, it will be in front of you. In a crash, you could go into it, receiving neck or other injuries. The lap belt could go up over your abdomen. The belt forces would be there, not at your pelvic bones. This could cause serious internal injuries. Do not have a seatback reclined if the For proper protection when the vehicle is moving. To adjust: vehicle is in motion, have the Memory Seats . Tilt the top of the control seatback upright. Then sit well back rearward to recline. in the seat and wear the seat belt properly. . Tilt the top of the control forward to raise the seatback.

{ Warning

Sitting in a reclined position when the vehicle is in motion can be dangerous. Even when buckled up, the seat belts cannot do their job. (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

SEATS AND RESTRAINTS 67 If equipped, memory seats allow two number may display for the first few then Vehicle, then Seating drivers to save and recall their unique ignition cycles following a transmitter Position, and then Seat Exit seat positions for driving the vehicle, change. For Seat Entry Memory to Memory. Select On or Off. See and a shared exit position for getting work properly, save the positions to “Seat Exit Memory” later in this out of the vehicle. Other feature the memory button (1 or 2) matching section. positions may also be saved, such as the RKE transmitter number displayed . See Vehicle Personalization 0 157 power mirrors and power steering in the DIC welcome message. Carry for additional setting information. wheel, if equipped. Memory positions the linked RKE transmitter when are linked to RKE transmitter 1 or 2 entering the vehicle. Identifying Driver Number for automatic memory recalls. Memory adjustments may not be To identify the driver number: Before saving, adjust all available available upon delivery or after service 1. Start the vehicle with a different “ memory feature positions. Turn the until steps in Saving Memory key or RKE transmitter. The DIC ” ignition on and then press and release Positions section are performed. should display the driver SET; a beep will sound. Then Vehicle Personalization Settings number; 1 or 2. Turn the ignition immediately press and hold 1, 2, off and remove the key or RKE . or B (Exit) until two beeps sound. To have the Seat Entry Memory transmitter from the vehicle. To manually recall these positions, movement begin when the vehicle is started, select the Settings 2. Start the vehicle with the initial press and hold 1, 2, or B until the menu, then Vehicle, then Seating key or RKE transmitter. The DIC saved position is reached. Follow the Position, and then Seat Entry should display the other driver “ instructions under Saving Memory Memory. Select On or Off. See number not shown in Step 1. Positions.” “Seat Entry Memory” later in this Saving Memory Positions The vehicle identifies the current section. ’ Read these instructions completely driver s RKE transmitter number . Seat Exit Memory movement (1–8). See Remote Keyless Entry (RKE) before saving memory positions. 0 begins when the ignition is turned System Operation 29. Only RKE off and the driver door is opened, To save preferred driving positions transmitters 1 and 2 can be used for or when the ignition is turned off 1 and 2: automatic memory recalls. A Driver with the driver door already 1. Turn the ignition on or to ACC/ Information Center (DIC) welcome opened, select the Settings menu, message indicating the transmitter ACCESSORY. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

68 SEATS AND RESTRAINTS A DIC welcome message may Save preferred memory feature The vehicle identifies the number of indicate driver number 1 or 2. positions to both 1 and 2 if you are the current driver’s RKE transmitter – 2. Adjust all available memory the only driver. (1 8). See Remote Keyless Entry (RKE) System Operation 0 29. If the RKE features to the desired driving Manually Recalling Memory transmitter is 1 or 2, and Seat Entry position. Positions Memory is programmed on in vehicle 3. Press and release SET; a beep Press and hold 1, 2, or B to recall personalization, the positions saved to will sound. the previously saved memory the same memory button number 1 or 4. Immediately press and hold the positions. 2 are automatically recalled when the 1 or 2 memory button matching ignition is turned on, or turned from To stop Manual Memory Recall off to ACC/ACCESSORY. RKE the above DIC welcome message B until two beeps sound. movement, release 1, 2, or or press transmitters 3–8 will not provide any of the following controls: automatic memory recalls. If too much time passes between releasing SET and pressing 1, the . Power seat To turn Seat Entry Memory on or off, memory position will not be . Memory SET see "Vehicle Personalization Settings" saved and two beeps will not previously in this section and Vehicle . 0 sound. Repeat Steps 3 and 4. Power mirror, with the driver or Personalization 157. passenger side mirror selected 1 or 2 corresponds to the driver The vehicle must be in P (Park) to . number. See “Identifying Driver Power steering wheel, if equipped start Seat Entry Memory. Seat Entry Number” previously in this Seat Entry Memory Memory will complete if the vehicle is section. shifted out of P (Park) prior to If equipped with memory seat 1, 2, reaching the saved memory position. 5. Repeat Steps 1–4 for a second or B buttons on the passenger door, driver using 1 or 2. To stop Seat Entry Memory those positions must be recalled movement, turn the ignition off or To save the position for B and Seat manually. They will not be linked to press any of the following controls: – an RKE transmitter. Exit Memory, repeat Steps 1 4 using . Power seat B. This saves the position for getting out of the vehicle. . Memory SET, 1, 2, or B Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

SEATS AND RESTRAINTS 69 . Power mirror, with the driver or . The vehicle is turned off with the Heated and Ventilated passenger side mirror selected driver door open. Front Seats . Power steering wheel, if equipped To stop Seat Exit Memory movement, If the saved memory seat position press any of the following memory { Warning does not automatically recall or recalls controls: to the wrong positions, the driver’s . Power seat If temperature change or pain to RKE transmitter number (1 or 2) may B the skin cannot be felt, the seat not match the memory button . Memory SET, 1, 2, or heater may cause burns. To reduce number that positions were saved to. . Power mirror, with the driver or the risk of burns, use care when Try saving the position to the other passenger side mirror selected using the seat heater, especially for memory button or try the other RKE long periods of time. Do not place . Power steering wheel, if equipped transmitter. anything on the seat that insulates Seat Exit Memory Obstructions against heat, such as a blanket, If something has blocked the driver cushion, cover, or similar item. This Seat Exit Memory is not linked to an may cause the seat heater to RKE transmitter. The position saved to seat and/or power steering wheel B while recalling a memory position, the overheat. An overheated seat heater is used for all drivers. To turn Seat may cause a burn or may damage Exit Memory on or off, see "Vehicle recall may stop. Remove the the seat. Personalization Settings" previously in obstruction and try the recall again. this section and Vehicle Personalization If the memory position still does not 0 157. recall, see your dealer for service. If turned on, the position saved to B is automatically recalled when one of the following occurs: . The vehicle is turned off and the driver door is opened within a short time. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

70 SEATS AND RESTRAINTS indicate three for the highest setting ventilated seat buttons on the center and one for the lowest. If the front stack to turn auto heated or ventilated heated seats are on high, the level seats off. If the passenger seat is may automatically be lowered after unoccupied, the auto heated or approximately 30 minutes. ventilated seats feature will not When this feature is off, the heated activate that seat. The auto heated and ventilated seat symbols on the and ventilated seats feature can be buttons are white. A ventilated seat programmed to always be enabled has a fan that pulls or pushes air when the vehicle is on. If equipped through the seat. The air is not with a heated steering wheel, the auto cooled. When a heated seat is turned heated steering wheel activation will on, the symbol turns red. When a follow the heated seat auto activation and the heated wheel indicator will If equipped, the buttons are near the ventilated seat is turned on, the symbol turns blue. follow the state of the steering climate controls on the center stack. wheel heat. To operate, the engine must be The passenger seat may take longer to 0 running. heat up. See Vehicle Personalization 157. Press J or z to heat the driver or Auto Heated and Ventilated Seats Remote Start Heated and Ventilated passenger seat cushion and seatback. Seats If the vehicle is equipped with auto I + heated or ventilated seats, and the If equipped, the heated seats will turn Press or to heat the driver or on automatically during a remote passenger seatback only. engine is running, this feature will automatically activate the heated or start if it is cold outside and the Press C or { to ventilate the driver ventilated seats at the level required ventilated seats will turn on or passenger seat. by the vehicle's interior temperature. automatically if it is hot outside. If equipped, the heated steering wheel Press the button once for the highest The active high, medium, low, or off will turn on automatically during a setting. With each press of the button, heated or ventilated seat level will be remote start if it is cold outside. The the seat will change to the next lower indicated by the manual heated and heated and ventilated seat indicators setting, and then to the off setting. ventilated seat buttons on the center The indicator lights above the buttons stack. Use the manual heated and Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

SEATS AND RESTRAINTS 71 and heated steering wheel indicator Massage To activate and adjust the massage may not come on during this feature: operation. 1. Toggle the center selection The heated and ventilated seats and control (2) to view available heated steering wheel may cancel massage options on the when the vehicle is started. These infotainment display. features can be manually selected 2. Select massage feature. after the ignition is turned on. 3. Press the control up (3) or The temperature performance of an down (5) to select the unoccupied seat may be reduced. This massage type. is normal. 4. Press the control forward (4) or The heated or ventilated seats will not rearward (6) to change the turn on during a remote start unless intensity. they are enabled in the vehicle personalization menu. If equipped, the ignition must be on 5. Press the massage control See Remote Vehicle Start 0 36 and to use the massage feature. button (1) to recall the last Vehicle Personalization 0 157. massage type and intensity. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

72 SEATS AND RESTRAINTS Rear Seats vehicle through the rear door and left the vehicle without the vehicle being Rear Seat Reminder shut off. If equipped, the message REAR SEAT The feature can be turned on or off. REMINDER LOOK IN REAR SEAT See Vehicle Personalization 0 157. displays under certain conditions Rear Seat Adjustment indicating there may be an item or passenger in the rear seat. Check before exiting the vehicle. Caution This feature will activate when a Do not adjust the power seat when second row door is opened while the a child restraint is installed. vehicle is on or up to 10 minutes Adjusting the seat may cause 1. Seatback Display and Lumbar before the vehicle is turned on. There damage to the installed child Adjustment Control will be an alert when the vehicle is restraint. Use the window lockout 2. Up turned off. The alert does not directly button on the driver door to detect objects in the rear seat; instead, 3. Rearward prevent adjustment of the seat under certain conditions, it detects whenever a child restraint is 4. Down when a rear door is opened and installed. 5. Forward closed, indicating that there may be 6. Power Seat Adjustment something in the rear seat. 7. Power Seat Adjustment The feature is active only once each If equipped, the armrest may have 8. Massage time the vehicle is turned on and off, seat adjustment controls. The rear seat adjustment controls are locked When the seatback display control (1) and will require reactivation by is toggled, a panel display will be opening and closing the second row when the window lockout switch is engaged. See Armrest Storage 0 115. activated from the driver or passenger doors. There may be an alert even seatback. The rear seatback will when there is nothing in the rear seat; automatically recline when the rear for example, if a child entered the seat is moved forward. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

SEATS AND RESTRAINTS 73 To adjust the seat, if equipped: Easy Exit . Move the seat forward or rearward by sliding the control (6) forward or rearward or by tilting the control (7) forward or rearward. . Raise or lower the front part of the seat cushion by moving the front of the control (6) up or down. To activate the massage feature, if equipped: 1. Press the seatback display control (1). If equipped, the armrest may have controls for lumbar and upper back 2. Press up (2) or down (4) to select If equipped, press S to tilt the front of support. See Armrest Storage 0 115. the massage type. the seat fully downward and to move When the center selection control (1) 3. Press forward (5) or rearward (3) the entire seat fully rearward. The seat is toggled, a panel display will be to change the intensity. will also move to this position when activated from the driver or passenger 4. Press the massage control button the rear door is opened. seatback. (8) to recall the last massage To adjust lumbar support, if equipped: type and intensity. Lumbar Adjustment If a child restraint is installed, see 1. Toggle the center selection Rear Seats 0 72. control (1) to view adjustable seat options on the display. 2. Select lumbar support. 3. Press and hold the control forward (5) to increase or rearward (3) to decrease support. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

74 SEATS AND RESTRAINTS

4. Press and hold the control Press J or z, if equipped, to heat the upward (2) to raise or left or right outboard seat cushion and downward (4) to lower the height seatback. of the support. On vehicles without rear climate To adjust upper back support, controls, an indicator light on the if equipped: button will turn on when the heated 1. Toggle the center selection or ventilated seat is on. On vehicles control (1) to view adjustable with rear climate controls, an seat options on the display. indicator on the climate control display appears when this feature 2. Select upper back support. is on. 3. Press and hold the control Platinum Seat On vehicles without rear climate forward (5) to increase or controls, press the button again to rearward (3) to decrease support. If equipped, the buttons are on the turn this feature off. The light on the rear passenger doors. To operate, the button will turn off. On vehicles with engine must be running. Heated and Ventilated rear climate controls, this feature Rear Seats Press C or { to ventilate the left or turns on the heated seat at the right outboard seat. highest setting. With each press of the { Warning button, the heated seat changes to the Press M or L, if equipped, to heat the next lower setting, and then the off If temperature change or pain to left or right outboard seat setting. Three lights indicate the the skin cannot be felt, the seat cushion only. highest setting, and one light heater may cause burns. See the I + indicates the lowest. If the heated Press or , if equipped, to heat seats are on high, the level may Warning under Heated and the left or right outboard Ventilated Front Seats 0 69. automatically be lowered after seatback only. approximately 30 minutes. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

SEATS AND RESTRAINTS 75 Rear Seat Seat Belts Warning (Continued) Pass-Through Door This section describes how to use seat belts properly, and some things not not allow passengers to ride in any to do. area of the vehicle that is not equipped with seats and seat belts. { Warning Always wear a seat belt, and check that all passenger(s) are restrained Do not let anyone ride where a seat properly too. belt cannot be worn properly. In a crash, if you or your passenger(s) are not wearing seat belts, injuries This vehicle has indicators as a reminder to buckle the seat belts. See can be much worse than if you are Seat Belt Reminders 0 137. wearing seat belts. You can be seriously injured or killed by hitting Why Seat Belts Work things inside the vehicle harder or Some vehicles have a rear seat by being ejected from the vehicle. pass-through door in the center of the In addition, anyone who is not rear seatback. Fold down the center buckled up can strike other armrest and pull the latch to open the passengers in the vehicle. door. See Armrest Storage 0 115. It is extremely dangerous to ride in a cargo area, inside or outside of a vehicle. In a collision, passengers riding in these areas are more likely to be seriously injured or killed. Do (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

76 SEATS AND RESTRAINTS When riding in a vehicle, you travel as Q: If my vehicle has airbags, why It is very important for all occupants fast as the vehicle does. If the vehicle should I have to wear seat belts? to buckle up. Statistics show that stops suddenly, you keep going until A: Airbags are supplemental systems unbelted people are hurt more often something stops you. It could be the only. They work with seat belts — in crashes than those who are wearing windshield, the instrument panel, not instead of them. Whether or seat belts. or the seat belts! not an airbag is provided, all There are important things to know When you wear a seat belt, you and occupants still have to buckle up about wearing a seat belt properly. the vehicle slow down together. There to get the most protection. is more time to stop because you stop Also, in nearly all states and in all over a longer distance and, when worn Canadian provinces, the law properly, your strongest bones take requires wearing seat belts. the forces from the seat belts. That is why wearing seat belts makes such How to Wear Seat Belts good sense. Properly Questions and Answers About Seat Belts Follow these rules for everyone's protection. Q: Will I be trapped in the vehicle There are additional things to know after a crash if I am wearing a about seat belts and children, seat belt? including smaller children and infants. A: You could be — whether you are If a child will be riding in the vehicle, . Sit up straight and always keep wearing a seat belt or not. Your see Older Children 0 95 or Infants and your feet on the floor in front of chance of being conscious during Young Children 0 97. Review and you (if possible). and after a crash, so you can follow the rules for children in . Always use the correct buckle for unbuckle and get out, is much addition to the following rules. your seating position. greater if you are belted. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

SEATS AND RESTRAINTS 77 . Wear the lap part of the belt low and snug on the hips, just touching the thighs. In a crash, this applies force to the strong pelvic bones and you would be less likely to slide under the lap belt. If you slid under it, the belt would apply force on your abdomen. This could cause serious or even fatal injuries. . Wear the shoulder belt over the shoulder and across the chest. These parts of the body are best able to take belt restraining forces. The shoulder belt locks if there is a sudden stop or crash.

{ Warning

You can be seriously injured, or even killed, by not wearing your seat belt properly.

Never allow the lap or shoulder belt to Never wear the shoulder belt under become loose or twisted. both arms or behind your back. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

78 SEATS AND RESTRAINTS Lap-Shoulder Belt The lap-shoulder belt may lock if you pull the belt across you very All seating positions in the vehicle quickly. If this happens, let the have a lap-shoulder belt. belt go back slightly to unlock it. The following instructions explain Then pull the belt across you how to wear a lap-shoulder belt more slowly. properly. If the shoulder portion of a 1. Adjust the seat, if the seat is passenger belt is pulled out all adjustable, so you can sit up the way, the child restraint straight. To see how, see “Seats” locking feature may be engaged. in the Index. If this happens, let the belt go back all the way and start again. Always use the correct buckle for your Engaging the child restraint seating position. locking feature in the front outboard seating position may affect the passenger sensing system. See Passenger Sensing System 0 89.

2. Pick up the latch plate and pull the belt across you. Do not let it get twisted. Never route the lap or shoulder belt over an armrest. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

SEATS AND RESTRAINTS 79 3. Push the latch plate into the buckle until it clicks. Pull up on the latch plate to make sure it is secure. If the belt is not long enough, see Seat Belt Extender 0 81. Position the release button on the buckle so that the seat belt could be quickly unbuckled if necessary. 4. If equipped with a shoulder belt If the webbing locks in the latch height adjuster, move it to the 5. To make the lap part tight, pull plate before it reaches the height that is right for you. See up on the shoulder belt. buckle, tilt the latch plate flat to “Shoulder Belt Height Adjuster” unlock. later in this section for instructions on use and important safety information. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

80 SEATS AND RESTRAINTS To unlatch the belt, push the button effectiveness of the seat belt in a The system activates during on the buckle. The belt should return crash. See How to Wear Seat Belts emergency braking and/or sudden to its stowed position. Properly 0 76. driving maneuvers and releases when Always stow the seat belt slowly. If the driving conditions return to normal. seat belt webbing returns quickly to The system will not activate if the the stowed position, the retractor may Traction Control/Electronic Stability lock and cannot be pulled out. If this Control system is not functioning happens, pull the seat belt straight out properly. See Traction Control/ firmly to unlock the webbing, and Electronic Stability Control 0 219. then release it. If the webbing is still If there is a problem with the locked in the retractor, see your Automatic Seat Belt Tightening dealer. System, a message displays on the Before a door is closed, be sure the Driver Information Center (DIC). If a seat belt is out of the way. If a door is system unavailable message displays slammed against a seat belt, damage repeatedly or a service message can occur to both the seat belt and displays, see your dealer. Other seat the vehicle. Press the release button and move the belt functions are not affected by the height adjuster to the desired position. Automatic Seat Belt Tightening Shoulder Belt Height Adjuster The adjuster can be moved up by System. The vehicle has a shoulder belt height pushing the slide/trim up. After the Seat Belt Pretensioners adjuster for the driver and front adjuster is set to the desired position, outboard passenger seating positions. try to move it down without pushing This vehicle has seat belt the release button to make sure it has pretensioners for front outboard Adjust the height so the shoulder locked into position. occupants. Although the seat belt portion of the belt is on the shoulder pretensioners cannot be seen, they are and not falling off of it. The belt Automatic Seat Belt Tightening part of the seat belt assembly. They should be close to, but not contacting, System can help tighten the seat belts during the neck. Improper shoulder belt The vehicle may have the Automatic the early stages of a moderate to height adjustment could reduce the Seat Belt Tightening System. severe frontal, near frontal, or rear Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

SEATS AND RESTRAINTS 81 crash if the threshold conditions for Comfort guides are available through A pregnant woman should wear a pretensioner activation are met. Seat your dealer for the rear outboard lap-shoulder belt, and the lap portion belt pretensioners can also help seating positions. Instructions are should be worn as low as possible, tighten the seat belts in a side crash included with the guide. below the rounding, throughout the or a rollover event. pregnancy. Pretensioners work only once. If the Seat Belt Use During The best way to protect the fetus is to pretensioners activate in a crash, the Pregnancy protect the mother. When a seat belt pretensioners and probably other is worn properly, it is more likely that Seat belts work for everyone, parts of the vehicle's seat belt system the fetus will not be hurt in a crash. including pregnant women. Like all will need to be replaced. See Replacing For pregnant women, as for anyone, occupants, they are more likely to be Seat Belt System Parts after a Crash the key to making seat belts effective seriously injured if they do not wear 0 82. is wearing them properly. seat belts. Do not sit on the outboard seat belt while entering or exiting the vehicle or Seat Belt Extender at any time while sitting in the seat. If the vehicle's seat belt will fasten Sitting on the seat belt can damage around you, you should use it. the webbing and hardware. But if a seat belt is not long enough, Rear Seat Belt Comfort Guides your dealer will order you an extender. Rear seat belt comfort guides may When you go in to order it, take the heaviest coat you will wear, so the provide added seat belt comfort for extender will be long enough for you. older children who have outgrown To help avoid personal injury, do not booster seats and for some adults. When installed on a shoulder belt, the let someone else use it, and use it only for the seat it is made to fit. The comfort guide positions the belt away extender has been designed for adults. from the neck and head. Never use it for securing child restraints. For more information on Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

82 SEATS AND RESTRAINTS the proper use and fit of seat belt Keep seat belts clean and dry. See Seat extenders see the instruction sheet Belt Care 0 82. Warning (Continued) that comes with the extender. Seat Belt Care webbing only with mild soap and Safety System Check lukewarm water. Allow the webbing Keep belts clean and dry. to dry. Periodically check the seat belt Seat belts should be properly cared for reminder, seat belts, buckles, latch and maintained. plates, retractors, shoulder belt height Replacing Seat Belt adjusters (if equipped), and seat belt Seat belt hardware should be kept dry System Parts after a Crash anchorages to make sure they are all and free of dust or debris. As necessary, exterior hard surfaces and in working order. Look for any other { Warning loose or damaged seat belt system seat belt webbing may be lightly parts that might keep a seat belt cleaned with mild soap and water. A crash can damage the seat belt Ensure there is not excessive dust or system from performing properly. See system in the vehicle. A damaged debris in the mechanism. If dust or your dealer to have it repaired. Torn, seat belt system may not properly debris exists in the system please see frayed, or twisted seat belts may not protect the person using it, protect you in a crash. Torn or frayed the dealer. Parts may need to be resulting in serious injury or even seat belts can rip apart under impact replaced to ensure proper forces. If a belt is torn or frayed, have functionality of the system. death in a crash. To help make sure it replaced immediately. If a belt is the seat belt systems are working twisted, it may be possible to untwist { Warning properly after a crash, have them by reversing the latch plate on the inspected and any necessary webbing. If the twist cannot be Do not bleach or dye seat belt replacements made as soon as corrected, ask your dealer to fix it. webbing. It may severely weaken possible. Make sure the seat belt reminder light the webbing. In a crash, they might is working. See Seat Belt Reminders not be able to provide adequate 0 137. protection. Clean and rinse seat belt (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

SEATS AND RESTRAINTS 83 After a minor crash, replacement of Airbag System For frontal airbags, the word AIRBAG seat belts may not be necessary. But is on the center of the steering wheel the seat belt assemblies that were The vehicle has the following airbags: for the driver and on the instrument used during any crash may have been . A frontal airbag for the driver panel for the front outboard stressed or damaged. See your dealer passenger. to have the seat belt assemblies . A frontal airbag for the front outboard passenger For knee airbags, the word AIRBAG is inspected or replaced. on the lower part of the instrument New parts and repairs may be . A knee airbag for the driver panel. necessary even if the seat belt system . A knee airbag for the front For seat-mounted side impact airbags, was not being used at the time of the outboard passenger the word AIRBAG is on the side of the crash. . A seat-mounted side impact airbag seatback closest to the door. Have the seat belt pretensioners for the driver For roof-rail airbags, the word AIRBAG checked if the vehicle has been in a is on the ceiling or trim. crash, or if the airbag readiness light . A seat-mounted side impact airbag stays on after you start the vehicle or for the front outboard passenger Airbags are designed to supplement while you are driving. See Airbag . A roof-rail airbag for the driver the protection provided by seat belts. Readiness Light 0 137. and the passenger seated directly Even though today's airbags are also behind the driver designed to help reduce the risk of injury from the force of an inflating . A roof-rail airbag for the front bag, all airbags must inflate very outboard passenger and the quickly to do their job. passenger seated directly behind the front outboard passenger All vehicle airbags have the word AIRBAG on the trim or on a label near the deployment opening. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

84 SEATS AND RESTRAINTS Here are the most important things to know about the airbag system: { Warning { Warning Because airbags inflate with great Children who are up against, { Warning force and faster than the blink of an or very close to, any airbag when it You can be severely injured or eye, anyone who is up against, inflates can be seriously injured or killed in a crash if you are not or very close to, any airbag when it killed. Always secure children wearing your seat belt, even with inflates can be seriously injured or properly in the vehicle. To read killed. Do not sit unnecessarily how, see Older Children 0 95 or airbags. Airbags are designed to 0 work with seat belts, not replace close to any airbag, as you would be Infants and Young Children 97. them. Also, airbags are not designed if sitting on the edge of the seat or to inflate in every crash. In some leaning forward. Seat belts help crashes seat belts are the only keep you in position before and restraint. See When Should an during a crash. Always wear a seat Airbag Inflate? 0 86. belt, even with airbags. The driver should sit as far back as possible Wearing your seat belt during a while still maintaining control of crash helps reduce your chance of the vehicle. The seat belts and the hitting things inside the vehicle or front outboard passenger airbags There is an airbag readiness light on being ejected from it. Airbags are are most effective when you are the instrument cluster, which shows “supplemental restraints” to the sitting well back and upright in the the airbag symbol. The system checks seat belts. Everyone in the vehicle seat with both feet on the floor. the airbag electrical system for should wear a seat belt properly, malfunctions. The light tells you if whether or not there is an airbag Occupants should not lean on or there is an electrical problem. See for that person. sleep against the door or side Airbag Readiness Light 0 137. windows in seating positions with seat-mounted side impact airbags and/or roof-rail airbags. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

SEATS AND RESTRAINTS 85 Where Are the Airbags?

The driver knee airbag is below the Driver Side Shown, Passenger Side steering column. The front outboard Similar passenger knee airbag is below the The roof-rail airbags for the driver, The driver frontal airbag is in the glove box. center of the steering wheel. front outboard passenger, and second row outboard passengers are in the The front outboard passenger frontal ceiling above the side windows. airbag is in the passenger side instrument panel. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

86 SEATS AND RESTRAINTS severe a crash is likely to be in time Warning (Continued) for the airbags to inflate and help restrain the occupants. The vehicle airbag must be kept clear. Do not has electronic sensors that help the put anything between an occupant airbag system determine the severity and an airbag, and do not attach or of the impact. Deployment thresholds put anything on the steering wheel can vary with specific vehicle design. hub or on or near any other airbag covering. Frontal airbags are designed to inflate in moderate to severe frontal or near Do not use seat accessories that frontal crashes to help reduce the block the inflation path of a potential for severe injuries, mainly to seat-mounted side impact airbag. the driver's or front outboard Driver Side Shown, Passenger Side passenger's head and chest. Similar Never secure anything to the roof of a vehicle with roof-rail airbags by Whether the frontal airbags will or The seat-mounted side impact airbags routing a rope or tie‐down through should inflate is not based primarily for the driver and front outboard any door or window opening. If you on how fast the vehicle is traveling. passenger are in the side of the do, the path of an inflating roof-rail It depends on what is hit, the seatbacks closest to the door. airbag will be blocked. direction of the impact, and how quickly the vehicle slows down. { Warning Frontal airbags may inflate at When Should an Airbag different crash speeds depending on If something is between an Inflate? whether the vehicle hits an object occupant and an airbag, the airbag This vehicle is equipped with airbags. straight on or at an angle, and might not inflate properly or it whether the object is fixed or moving, See Airbag System 0 83. Airbags are might force the object into that rigid or deformable, narrow or wide. person causing severe injury or designed to inflate if the impact even death. The path of an inflating exceeds the specific airbag system's Frontal airbags are not intended to deployment threshold. Deployment inflate during vehicle rollovers, in rear (Continued) thresholds are used to predict how impacts, or in many side impacts. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

SEATS AND RESTRAINTS 87 In addition, the vehicle has advanced Both roof-rail airbags will inflate when How Does an Airbag technology frontal airbags. Advanced either side of the vehicle is struck, technology frontal airbags adjust the if the sensing system predicts that the Restrain? restraint according to either crash vehicle is about to roll over on its In moderate to severe frontal or near severity or occupant interaction. side, or in a severe frontal impact. frontal collisions, even belted Knee airbags are designed to inflate in In any particular crash, no one can occupants can contact the steering moderate to severe frontal or near say whether an airbag should have wheel or the instrument panel. In frontal impacts. Knee airbags are not inflated simply because of the vehicle moderate to severe side collisions, designed to inflate during vehicle damage or repair costs. even belted occupants can contact the rollovers, in rear impacts, or in many inside of the vehicle. side impacts. What Makes an Airbag Airbags supplement the protection Seat-mounted side impact airbags are Inflate? provided by seat belts by distributing designed to inflate in moderate to the force of the impact more evenly In a deployment event, the sensing severe side crashes depending on the over the occupant's body. system sends an electrical signal location of the impact. Seat-mounted Rollover capable roof-rail airbags are triggering a release of gas from the side impact airbags are not designed designed to help contain the head and inflator. Gas from the inflator fills the to inflate in frontal impacts, near chest of occupants in the outboard airbag causing the bag to break out of frontal impacts, rollovers, or rear seating positions in the first and the cover. The inflator, the airbag, and impacts. A seat-mounted side impact second rows. The rollover capable related hardware are all part of the airbag is designed to inflate on the roof-rail airbags are designed to help airbag module. side of the vehicle that is struck. reduce the risk of full or partial For airbag locations, see Where Are the Roof-rail airbags are designed to ejection in rollover events, although Airbags? 0 85. inflate in moderate to severe side no system can prevent all such crashes depending on the location of ejections. the impact. In addition, these roof-rail But airbags would not help in many airbags are designed to inflate during types of collisions, primarily because a rollover or in a severe frontal the occupant's motion is not toward impact. Roof-rail airbags are not those airbags. See When Should an designed to inflate in rear impacts. Airbag Inflate? 0 86. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

88 SEATS AND RESTRAINTS Airbags should never be regarded as to normal operation; the doors can be anything more than a supplement to { Warning locked, the interior lamps can be seat belts. turned off, and the hazard warning When an airbag inflates, there may flashers can be turned off using the What Will You See after an be dust in the air. This dust could controls for those features. If any of cause breathing problems for Airbag Inflates? these systems are damaged in the people with a history of asthma or crash they may not operate as normal. After frontal, knee, and seat-mounted other breathing trouble. To avoid side impact airbags inflate, they this, everyone in the vehicle should { Warning quickly deflate, so quickly that some get out as soon as it is safe to do people may not even realize the so. If you have breathing problems A crash severe enough to inflate the airbags inflated. Roof-rail airbags may but cannot get out of the vehicle airbags may have also damaged still be at least partially inflated for after an airbag inflates, then get important functions in the vehicle, some time after they inflate. Some fresh air by opening a window or a such as the fuel system, brake and components of the airbag module may door. If you experience breathing steering systems, etc. Even if the be hot for several minutes. For problems following an airbag vehicle appears to be drivable after location of the airbags, see Where Are deployment, you should seek a moderate crash, there may be the Airbags? 0 85. medical attention. concealed damage that could make The parts of the airbag that come into it difficult to safely operate the contact with you may be warm, but The vehicle has a feature that may vehicle. not too hot to touch. There may be automatically unlock the doors, turn Use caution if you should attempt some smoke and dust coming from on the interior lamps and hazard the vents in the deflated airbags. to restart the engine after a crash warning flashers, and shut off the fuel has occurred. Airbag inflation does not prevent the system after the airbags inflate. The driver from seeing out of the feature may also activate, without windshield or being able to steer the airbag inflation, after an event that In many crashes severe enough to vehicle, nor does it prevent people exceeds a predetermined threshold. inflate the airbag, windshields are from leaving the vehicle. After turning the ignition off and then broken by vehicle deformation. on again, the fuel system will return Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

SEATS AND RESTRAINTS 89 Additional windshield breakage may Passenger Sensing System word ON or OFF, or the symbol for on also occur from the front outboard or off, will be visible. See Passenger passenger airbag. The vehicle has a passenger sensing Airbag Status Indicator 0 138. system for the front outboard . Airbags are designed to inflate passenger position. The passenger The passenger sensing system turns only once. After an airbag inflates, airbag status indicator will light on off the front outboard passenger you will need some new parts for the overhead console when the vehicle frontal airbag and knee airbag under the airbag system. If you do not is started. certain conditions. No other airbag is get them, the airbag system will affected by the passenger sensing not be there to help protect you in system. another crash. A new system will The passenger sensing system works include airbag modules and with sensors that are part of the front possibly other parts. The service outboard passenger seat and seat belt. manual for the vehicle covers the The sensors are designed to detect the need to replace other parts. presence of a properly seated United States . The vehicle has a crash sensing occupant and determine if the front and diagnostic module which outboard passenger frontal airbag and records information after a crash. knee airbag should be allowed to See Vehicle Data Recording and inflate or not. Privacy 0 408 and Event Data 0 According to accident statistics, Recorders 409. children are safer when properly . Let only qualified technicians secured in a rear seat in the correct work on the airbag systems. Canada child restraint for their weight Improper service can mean that The words ON and OFF, or the and size. an airbag system will not work symbols for on and off, will be visible Whenever possible, children aged properly. See your dealer for during the system check. When the 12 and under should be secured in a service. system check is complete, either the rear seating position. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

90 SEATS AND RESTRAINTS Never put a rear-facing child seat in . There is a critical problem with the front. This is because the risk to Warning (Continued) the airbag system or the passenger the rear-facing child is so great, if the sensing system. airbag inflates. Never put a rear-facing child restraint in the front seat, even if When the passenger sensing system the airbag is off. If securing a has turned off the front outboard { Warning forward-facing child restraint in the passenger frontal airbag and knee airbag, the OFF indicator will light and A child in a rear-facing child front outboard passenger seat, always move the seat as far back as stay lit as a reminder that the airbags restraint can be seriously injured or are off. See Passenger Airbag Status it will go. It is better to secure child killed if the passenger frontal airbag Indicator 0 138. inflates. This is because the back of restraints in the rear seat. Consider the rear-facing child restraint would using another vehicle to transport The passenger sensing system is designed to turn on the front be very close to the inflating airbag. the child when a rear seat is not outboard passenger frontal airbag and A child in a forward-facing child available. knee airbag anytime the system restraint can be seriously injured or senses that a person of adult size is killed if the passenger frontal airbag The passenger sensing system is sitting properly in the front outboard inflates and the passenger seat is in designed to turn off the front passenger seat. When the passenger a forward position. outboard passenger frontal airbag and sensing system has allowed the knee airbag if: Even if the passenger sensing airbag(s) to be enabled, the ON system has turned off the front . The front outboard passenger seat indicator will light and stay lit as a outboard passenger airbag(s), no is unoccupied. reminder that the airbag(s) are active. system is fail-safe. No one can . The system determines that an For some children, including children guarantee that an airbag will not infant is present in a child in child restraints, and for very small deploy under some unusual restraint. adults, the passenger sensing system circumstance, even though the may or may not turn off the front . A front outboard passenger takes airbag(s) are off. outboard passenger frontal airbag and his/her weight off of the seat for a (Continued) knee airbag, depending upon the period of time. person’s seating posture and body build. Everyone in the vehicle who has Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

SEATS AND RESTRAINTS 91 outgrown child restraints should wear 3. Remove any additional items cushion, if adjustable, to make a seat belt properly — whether or not from the seat such as blankets, sure that the vehicle seatback is there is an airbag for that person. cushions, seat covers, seat not pushing the child restraint heaters, or seat massagers. into the seat cushion. { Warning 4. Reinstall the child restraint Also make sure the child following the directions provided restraint is not trapped under the If the airbag readiness light ever by the child restraint vehicle head restraint. If this comes on and stays on, it means manufacturer and refer to happens, adjust the head that something may be wrong with Securing Child Restraints (With the restraint. See Head Restraints the airbag system. To help avoid Seat Belt in the Rear Seat) 0 108 0 62. injury to yourself or others, have or Securing Child Restraints (With 6. Restart the vehicle. the vehicle serviced right away. See the Seat Belt in the Front Seat) Airbag Readiness Light 0 137 for 0 110. The passenger sensing system may or may not turn off the airbags for a more information, including Make sure the seat belt retractor important safety information. child in a child restraint depending is locked by pulling the shoulder upon the child’s size. It is better to belt all the way out of the secure the child restraint in a rear If the On Indicator Is Lit for a retractor when installing the seat. Never put a rear-facing child Child Restraint child restraint, even if the child restraint in the front seat, even if the restraint is equipped with a seat ON indicator is not lit. The passenger sensing system is belt lock-off. When the retractor designed to turn off the front lock is set, the belt can be outboard passenger frontal airbag and tightened but not pulled out of knee airbag if the system determines the retractor. that an infant is present in a child restraint. If a child restraint has been 5. If, after reinstalling the child installed and the ON indicator is lit: restraint and restarting the vehicle, the ON indicator is still 1. Turn the vehicle off. lit, turn the vehicle off. Then 2. Remove the child restraint from slightly recline the vehicle the vehicle. seatback and adjust the seat Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

92 SEATS AND RESTRAINTS If the Off Indicator Is Lit for an 2. Remove any additional material Adult-Sized Occupant from the seat, such as blankets, { Warning cushions, seat covers, seat heaters, or seat massagers. If the front outboard passenger airbag is turned off for an 3. Place the seatback in the fully adult-sized occupant, the airbag will upright position. not be able to inflate and help 4. Have the person sit upright in protect that person in a crash, the seat, centered on the seat resulting in an increased risk of cushion, with legs comfortably serious injury or even death. An extended. adult-sized occupant should not 5. If the shoulder portion of the ride in the front outboard passenger belt is pulled out all the way, the seat, if the passenger airbag OFF child restraint locking feature indicator is lit. will be engaged. This may unintentionally cause the If a person of adult size is sitting in Additional Factors Affecting passenger sensing system to turn the front outboard passenger seat, but System Operation the airbag off for some the OFF indicator is lit, it could be adult-sized occupants. If this Seat belts help keep the passenger in because that person is not sitting happens, unbuckle the belt, let position on the seat during vehicle properly in the seat or that the child the belt go back all the way, and maneuvers and braking, which helps restraint locking feature is engaged. then buckle the belt again the passenger sensing system Use the following steps to allow the without pulling the belt out all maintain the passenger airbag status. system to detect that person and the way. See “Seat Belts” and “Child Restraints” enable the front outboard passenger in the Index for additional 6. Restart the vehicle and have the frontal airbag and knee airbag: information about the importance of person remain in this position 1. Turn the vehicle off. proper restraint use. for two to three minutes after the ON indicator is lit. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

SEATS AND RESTRAINTS 93 A thick layer of additional material, Servicing the Adding Equipment to the such as a blanket or cushion, or aftermarket equipment such as seat Airbag-Equipped Vehicle Airbag-Equipped Vehicle covers, seat heaters, and seat Airbags affect how the vehicle should Adding accessories that change the massagers can affect how well the be serviced. There are parts of the vehicle's frame, bumper system, passenger sensing system operates. airbag system in several places around height, front end, or side sheet metal We recommend that you not use seat the vehicle. Your dealer and the may keep the airbag system from covers or other aftermarket equipment service manual have information working properly. except when approved by GM for your about servicing the vehicle and the The operation of the airbag system specific vehicle. See Adding Equipment airbag system. To purchase a service can also be affected by changing, to the Airbag-Equipped Vehicle 0 93 for manual, see Publication Ordering including improperly repairing or more information about modifications 0 Information 406. replacing, any parts of the following: that can affect how the system operates. { Warning . Airbag system, including airbag modules, front or side impact The ON indicator may be lit if an sensors, sensing and diagnostic object, such as a briefcase, handbag, For up to 10 seconds after the module, or airbag wiring grocery bag, laptop, or other electronic vehicle is turned off and the 12‐volt device is put on an unoccupied seat. battery is disconnected, an airbag . Front seats, including stitching, If this is not desired remove the object can still inflate during improper seams or zippers from the seat. service. You can be injured if you . Seat belts are close to an airbag when it { Warning inflates. Avoid yellow connectors. . Steering wheel, instrument panel, They are probably part of the airbag overhead console, ceiling trim, Stowing articles under the system. Be sure to follow proper or pillar garnish trim passenger seat or between the service procedures, and make sure . Inner door seals, including passenger seat cushion and the person performing work for you speakers seatback may interfere with the is qualified to do so. proper operation of the passenger sensing system. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

94 SEATS AND RESTRAINTS Your dealer and the service manual If the vehicle has rollover roof-rail have information about the location of airbags, see Different Size Tires and Caution the airbag modules and sensors, Wheels 0 353 for additional important sensing and diagnostic module, and information. If an airbag covering is damaged, opened, or broken, the airbag may airbag wiring along with the proper If the vehicle must be modified replacement procedures. not work properly. Do not open or because you have a disability and have break the airbag coverings. If there In addition, the vehicle has a questions about whether the are any opened or broken airbag passenger sensing system for the front modifications will affect the vehicle's coverings, have the airbag covering outboard passenger position, which airbag system, or if you have and/or airbag module replaced. For includes sensors that are part of the questions about whether the airbag the location of the airbags, see passenger seat. The passenger sensing system will be affected if the vehicle is 0 system may not operate properly if modified for any other reason, call Where Are the Airbags? 85. See the original seat trim is replaced with Customer Assistance. See Customer your dealer for service. non-GM covers, upholstery, or trim; or Assistance Offices 0 399. with GM covers, upholstery, or trim designed for a different vehicle. Any Airbag System Check object, such as an aftermarket seat heater or a comfort-enhancing pad or The airbag system does not need device, installed under or on top of regularly scheduled maintenance or the seat fabric, could also interfere replacement. Make sure the airbag readiness light is working. See Airbag with the operation of the passenger 0 sensing system. This could either Readiness Light 137. prevent proper deployment of the passenger airbag(s) or prevent the passenger sensing system from properly turning off the passenger airbag(s). See Passenger Sensing System 0 89. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

SEATS AND RESTRAINTS 95 Replacing Airbag System Child Restraints . Sit all the way back on the seat. Do the knees bend at the seat Parts after a Crash edge? If yes, continue. If no, return Older Children to the booster seat. { Warning . Buckle the lap-shoulder belt. Does A crash can damage the airbag the shoulder belt rest on the systems in the vehicle. A damaged shoulder? If yes, continue. If no, airbag system may not properly try using the rear seat belt comfort guide, if available. See protect you and your passenger(s) “Rear Seat Belt Comfort Guides” in a crash, resulting in serious under Lap-Shoulder Belt 0 78. If a injury or even death. To help make comfort guide is not available, or if sure the airbag systems are working the shoulder belt still does not rest properly after a crash, have them on the shoulder, then return to the inspected and any necessary booster seat. replacements made as soon as possible. . Does the lap belt fit low and snug on the hips, touching the thighs? Older children who have outgrown If yes, continue. If no, return to booster seats should wear the vehicle’s If an airbag inflates, you will need to the booster seat. replace airbag system parts. See your seat belts. . Can proper seat belt fit be dealer for service. The manufacturer instructions that maintained for the length of the come with the booster seat state the If the airbag readiness light stays on trip? If yes, continue. If no, return weight and height limitations for that after the vehicle is started or comes to the booster seat. on when you are driving, the airbag booster. Use a booster seat with a system may not work properly. Have lap-shoulder belt until the child Q: What is the proper way to wear the vehicle serviced right away. See passes the fit test below: seat belts? Airbag Readiness Light 0 137. A: An older child should wear a lap-shoulder belt and get the additional restraint a shoulder belt Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

96 SEATS AND RESTRAINTS can provide. The shoulder belt should not cross the face or neck. Warning (Continued) Warning (Continued) The lap belt should fit snugly below the hips, just touching the be crushed together and seriously crash, the child would not be top of the thighs. This applies belt injured. A seat belt must be used by restrained by the shoulder belt. The force to the child's pelvic bones in only one person at a time. child could move too far forward a crash. It should never be worn increasing the chance of head and over the abdomen, which could neck injury. The child might also cause severe or even fatal internal slide under the lap belt. The belt injuries in a crash. force would then be applied right on the abdomen. That could cause Also see “Rear Seat Belt Comfort Guides” under Lap-Shoulder Belt 0 78. serious or fatal injuries. The shoulder belt should go over the According to accident statistics, shoulder and across the chest. children are safer when properly restrained in a rear seating position. In a crash, children who are not buckled up can strike other people who are buckled up, or can be thrown out of the vehicle. Older children need to use seat belts properly. { Warning

{ Warning Never allow a child to wear the seat belt with the shoulder belt behind Never allow more than one child to their back. A child can be seriously wear the same seat belt. The seat injured by not wearing the belt cannot properly spread the lap-shoulder belt properly. In a impact forces. In a crash, they can (Continued) (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

SEATS AND RESTRAINTS 97 Infants and Young Children Warning (Continued) Warning (Continued) Everyone in a vehicle needs protection! This includes infants and tightened around a child’s neck, the For example, in a crash at only all other children. Neither the distance only way to loosen the belt is to 40 km/h (25 mph), a 5.5 kg (12 lb) traveled nor the age and size of the cut it. infant will suddenly become a traveler changes the need, for Never leave children unattended in 110 kg (240 lb) force on a person's everyone, to use safety restraints. In a vehicle and never allow children arms. An infant or child should be fact, the law in every state in the secured in an appropriate restraint. United States and in every Canadian to play with the seat belts. province says children up to some age must be restrained while in a vehicle. Every time infants and young children ride in vehicles, they should have the { Warning protection provided by appropriate child restraints. Neither the vehicle's Children can be seriously injured or seat belt system nor its airbag system strangled if a shoulder belt is is designed for them. wrapped around their neck. The Children who are not restrained shoulder belt can tighten but properly can strike other people, cannot be loosened if it is locked. or can be thrown out of the vehicle. The shoulder belt locks when it is pulled all the way out of the { Warning retractor. It unlocks when the shoulder belt is allowed to go all Never hold an infant or a child the way back into the retractor, but while riding in a vehicle. Due to it cannot do this if it is wrapped crash forces, an infant or a child around a child’s neck. If the will become so heavy it is not shoulder belt is locked and possible to hold it during a crash. (Continued) (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

98 SEATS AND RESTRAINTS For each type of child restraint, there { Warning are many different models available. When purchasing a child restraint, be Children who are up against, sure it is designed to be used in a or very close to, any airbag when it motor vehicle. If it is, the restraint will inflates can be seriously injured or have a label saying that it meets killed. Never put a rear-facing child federal motor vehicle safety standards. restraint in the front outboard seat. The restraint manufacturer's Secure a rear-facing child restraint instructions that come with the in a rear seat. It is also better to restraint state the weight and height secure a forward-facing child limitations for a particular child restraint in a rear seat. If you must restraint. In addition, there are many secure a forward-facing child kinds of restraints available for Child restraints are devices used to restraint in the front outboard seat, children with special needs. restrain, seat, or position children in always move the front passenger the vehicle and are sometimes called seat as far back as it will go. child seats or car seats. { Warning There are three basic types of child To reduce the risk of neck and head restraints: injury in a crash, infants and . Forward-facing child restraints toddlers should be secured in a rear-facing child restraint until age . Rear-facing child restraints two, or until they reach the . Belt-positioning booster seats maximum height and weight limits of their child restraint. The proper child restraint for your child depends on their size, weight, and age, and also on whether the child restraint is compatible with the vehicle in which it will be used. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

SEATS AND RESTRAINTS 99 Child Restraint Systems { Warning

A young child's hip bones are still so small that the vehicle's regular seat belt may not remain low on the hip bones, as it should. Instead, it may settle up around the child's abdomen. In a crash, the belt would apply force on a body area that is unprotected by any bony structure. This alone could cause serious or fatal injuries. To reduce the risk of Forward-Facing Child Restraint serious or fatal injuries during a A forward-facing child restraint crash, young children should always Rear-Facing Infant Restraint provides restraint for the child's body be secured in appropriate child A rear-facing child restraint provides with the harness. restraints. restraint with the seating surface against the back of the infant. The harness system holds the infant in place and, in a crash, acts to keep the infant positioned in the restraint. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

100 SEATS AND RESTRAINTS Securing an Add-On Child When securing an add-on child Restraint in the Vehicle restraint, refer to the instructions that come with the restraint which may be { Warning on the restraint itself or in a booklet, or both, and to this manual. The child A child can be seriously injured or restraint instructions are important, killed in a crash if the child so if they are not available, obtain a restraint is not properly secured in replacement copy from the manufacturer. the vehicle. Secure the child restraint properly in the vehicle Keep in mind that an unsecured child using the vehicle’s seat belt or restraint can move around in a LATCH system, following the collision or sudden stop and injure Booster Seats instructions that came with that people in the vehicle. Be sure to A belt-positioning booster seat is used child restraint and the instructions properly secure any child restraint in for children who have outgrown their in this manual. the vehicle — even when no child is forward-facing child restraint. in it. Boosters are designed to improve the In some areas of the United States fit of the vehicle's seat belt system To help reduce the chance of injury, the child restraint must be secured in and Canada, Certified Child Passenger until the child is large enough for the Safety Technicians (CPSTs) are vehicle seat belts to fit properly the vehicle. Child restraints must be secured in vehicle seats by lap belts or available to inspect and demonstrate without a booster seat. See the seat how to correctly use and install child belt fit test in Older Children 0 95. the lap belt portion of a lap-shoulder belt, or by the LATCH system. See restraints. In the U.S., refer to the Lower Anchors and Tethers for Children National Highway Traffic Safety (LATCH System) 0 102 for more Administration (NHTSA) website to information. Children can be locate the nearest child safety seat endangered in a crash if the child inspection station. For CPST restraint is not properly secured in the availability in Canada, check with vehicle. Transport Canada or the Provincial Ministry of Transportation office. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

SEATS AND RESTRAINTS 101 Securing the Child Within the Child Restraint { Warning Warning (Continued) A child in a rear-facing child seat as far back as it will go. It is { Warning restraint can be seriously injured or better to secure the child restraint killed if the front passenger airbag in a rear seat. A child can be seriously injured or inflates. This is because the back of killed in a crash if the child is not See Passenger Sensing System 0 89 the rear-facing child restraint would properly secured in the child for additional information. be very close to the inflating airbag. restraint. Secure the child properly A child in a forward-facing child following the instructions that restraint can be seriously injured or When securing a child restraint with came with that child restraint. killed if the front passenger airbag the seat belts in a rear seat position, inflates and the passenger seat is in study the instructions that came with a forward position. the child restraint to make sure it is Where to Put the Restraint compatible with this vehicle. Even if the passenger sensing According to accident statistics, Child restraints and booster seats vary system has turned off the front children and infants are safer when considerably in size, and some may fit passenger frontal airbag, no system properly restrained in an appropriate in certain seating positions better child restraint secured in a rear is fail-safe. No one can guarantee than others. seating position. that an airbag will not deploy under Depending on where you place the Whenever possible, children aged some unusual circumstance, even though it is turned off. child restraint and the size of the 12 and under should be secured in a child restraint, you may not be able to rear seating position. Secure rear-facing child restraints access adjacent seat belts or LATCH Never put a rear-facing child restraint in a rear seat, even if the airbag is anchors for additional passengers or in the front. This is because the risk off. If you secure a forward-facing child restraints. Adjacent seating to the rear-facing child is so great if child restraint in the front seat, positions should not be used if the the airbag deploys. always move the front passenger child restraint prevents access to or (Continued) interferes with the routing of the seat belt. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

102 SEATS AND RESTRAINTS Wherever a child restraint is installed, In order to use the LATCH system in When installing a child restraint with be sure to follow the instructions that your vehicle, you need a child a top tether, you must also use either came with the child restraint and restraint that has LATCH the lower anchors or the seat belts to secure the child restraint properly. attachments. LATCH-compatible properly secure the child restraint. Keep in mind that an unsecured child rear-facing and forward-facing child A child restraint must never be restraint can move around in a seats can be properly installed using installed using only the top tether and collision or sudden stop and injure either the LATCH anchors or the anchor. ’ people in the vehicle. Be sure to vehicle s seat belts. Do not use both The LATCH anchorage system can be properly secure any child restraint in the seat belts and the LATCH used until the combined weight of the the vehicle — even when no child is anchorage system to secure a child plus the child restraint is in it. rear-facing or forward-facing 29.5 kg (65 lbs). Use the seat belt alone child seat. instead of the LATCH anchorage Lower Anchors and Booster seats use the vehicle’s seat system once the combined weight is Tethers for Children belts to secure the child in the booster more than 29.5 kg (65 lbs). seat. If the manufacturer recommends (LATCH System) See Securing Child Restraints (With the that the booster seat be secured with Seat Belt in the Rear Seat) 0 108 or The LATCH system secures a child the LATCH system, this can be done Securing Child Restraints (With the Seat restraint during driving or in a crash. as long as the booster seat can be Belt in the Front Seat) 0 110. LATCH attachments on the child positioned properly and there is no restraint are used to attach the child interference with the proper Child restraints built after March 2014 restraint to the anchors in the vehicle. positioning of the lap-shoulder belt on will be labeled with the specific child The LATCH system is designed to the child. weight up to which the LATCH system can be used to install the restraint. make installation of a child restraint Make sure to follow the instructions easier. that came with the child restraint, and The following explains how to attach also the instructions in this manual. a child restraint with these attachments in the vehicle. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

SEATS AND RESTRAINTS 103 Not all vehicle seating positions or position that will accommodate a anchor in the vehicle in order to child restraints have lower anchors child restraint with lower reduce the forward movement and and attachments or top tether anchors attachments (2). rotation of the child restraint during and attachments. In this case, the seat driving or in a crash. Top Tether Anchor belt must be used (with top tether The child restraint may have a single where available) to secure the child tether (3) or a dual tether (4). Either restraint. See Securing Child Restraints will have a single attachment hook (2) (With the Seat Belt in the Rear Seat) to secure the top tether to the anchor. 0 108 or Securing Child Restraints (With the Seat Belt in the Front Seat) Some child restraints with top tethers 0 110. are designed for use with or without the top tether being attached. Others Lower Anchors require the top tether always to be attached. In Canada, the law requires that forward-facing child restraints have a top tether, and that the tether be attached. Be sure to read and follow the instructions for your child A top tether (3, 4) is used to secure restraint. the top of the child restraint to the vehicle. A top tether anchor is built into the vehicle. The top tether attachment hook (2) on the child restraint connects to the top tether

Lower anchors (1) are metal bars built into the vehicle. There are two lower anchors for each LATCH seating Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

104 SEATS AND RESTRAINTS Lower Anchor and Top Tether To assist in locating the lower The outboard lower anchors are Anchor Locations anchors, each seating position with behind the vertical openings in the lower anchors has two labels, near the seat trim. crease between the seatback and the seat cushion.

To assist in locating the top tether anchors, the top tether anchor symbol Rear Seat is on the cover. I : Seating positions with top tether The top tether anchors are behind the anchors. rear seat, on the filler panel. Open the H : Seating positions with two lower covers to access the anchors. Be sure anchors. to use an anchor on the same side of the vehicle as the seating position where the child restraint will be placed. Do not secure a child restraint in a position without a top tether anchor if a national or local law requires that the top tether be attached, or if the Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

SEATS AND RESTRAINTS 105 instructions that come with the child restraint say that the top tether must { Warning Warning (Continued) be attached. To reduce the risk of serious or it cannot do this if it is wrapped According to accident statistics, fatal injuries during a crash, do not around a child’s neck. If the children and infants are safer when attach more than one child shoulder belt is locked and properly restrained in a child restraint restraint to a single anchor. tightened around a child’s neck, the system or infant restraint system Attaching more than one child only way to loosen the belt is to secured in a rear seating position. See restraint to a single anchor could cut it. Where to Put the Restraint 0 101 for cause the anchor or attachment to additional information. Buckle any unused seat belts come loose or even break during a behind the child restraint so Securing a Child Restraint crash. A child or others could be children cannot reach them. Pull Designed for the LATCH System injured. the shoulder belt all the way out of the retractor to set the lock, and { Warning tighten the belt behind the child { Warning restraint after the child restraint A child could be seriously injured or has been installed. killed in a crash if the child Children can be seriously injured or restraint is not properly attached to strangled if a shoulder belt is the vehicle using either the LATCH wrapped around their neck. The anchors or the vehicle seat belt. shoulder belt can tighten but { Warning Follow the instructions that came cannot be loosened if it is locked. The power seats will work with the with the child restraint and the The shoulder belt locks when it is instructions in this manual. ignition off. Children could operate pulled all the way out of the the power seats and be injured. retractor. It unlocks when the Never leave children alone in the shoulder belt is allowed to go all vehicle. the way back into the retractor, but (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

106 SEATS AND RESTRAINTS If you need to secure more than one Refer to the child restraint Caution child restraint in the rear seat, see instructions and the following Where to Put the Restraint 0 101. steps: Do not adjust the power seat when a child restraint is installed. 1. Attach and tighten the lower 2.1. Find the top tether anchor. Adjusting the seat may cause attachments to the lower 2.2. Open the top tether anchor damage to the installed child anchors. If the child restraint cover to expose the anchor. restraint. Use the window lockout does not have lower attachments 2.3. Route, attach, and tighten button on the driver door to or the desired seating position does not have lower anchors, the top tether according to prevent adjustment of the seat secure the child restraint with your child restraint whenever a child restraint is the top tether and the seat belts. instructions and the installed. Refer to the child restraint following instructions: manufacturer instructions and the instructions in this manual. Caution 1.1. Find the lower anchors for the desired seating Do not let the LATCH attachments position. rub against the vehicle’s seat belts. This may damage these parts. 1.2. Put the child restraint on the seat. If necessary, move buckled seat belts to avoid rubbing the LATCH 1.3. Attach and tighten the attachments. lower attachments on the child restraint to the lower If the position you are anchors. using does not have a headrest or head restraint 2. If the child restraint and you are using a single manufacturer recommends that tether, route the tether the top tether be attached, attach over the seatback. and tighten the top tether to the top tether anchor, if equipped. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

SEATS AND RESTRAINTS 107 If the position you are grasp the child restraint at the using has an adjustable LATCH path and attempt to head restraint and you are move it side to side and back using a single tether, route and forth. There should be no the tether around the more than 2.5 cm (1 in) of inboard side of the head movement for proper restraint. installation. Replacing LATCH System If the position you are Parts After a Crash using does not have a headrest or head restraint and you are using a dual { Warning tether, route the tether A crash can damage the LATCH over the seatback. system in the vehicle. A damaged LATCH system may not properly If the position you are secure the child restraint, resulting using has an adjustable in serious injury or even death in a headrest or head restraint crash. To help make sure the and you are using a dual LATCH system is working properly tether, fully raise the head after a crash, see your dealer to restraint and route the have the system inspected and any tethers around the out necessary replacements made as board side of the Head soon as possible. Restraint posts. 3. Before placing a child in the child restraint, make sure it is securely held in place. To check, Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

108 SEATS AND RESTRAINTS If the vehicle has the LATCH system Do not secure a child seat in a and it was being used during a crash, position without a top tether anchor if { Warning new LATCH system parts may be a national or local law requires that needed. the top tether be anchored, or if the The power seats will work with the instructions that come with the child ignition off. Children could operate New parts and repairs may be the power seats and be injured. necessary even if the LATCH system restraint say that the top tether must be anchored. Never leave children alone in the was not being used at the time of the vehicle. crash. In Canada, the law requires that forward-facing child restraints have a Securing Child Restraints top tether, and that the tether be (With the Seat Belt in the attached. Caution Rear Seat) If the child restraint or vehicle seat position does not have the LATCH Do not adjust the power seat when When securing a child restraint with system, you will be using the seat belt a child restraint is installed. the seat belts in a rear seat position, to secure the child restraint. Be sure Adjusting the seat may cause study the instructions that came with to follow the instructions that came damage to the installed child the child restraint to make sure it is with the child restraint. restraint. Use the window lockout compatible with this vehicle. button on the driver door to If more than one child restraint needs prevent adjustment of the seat If the child restraint has the LATCH to be installed in the rear seat, be sure whenever a child restraint is system, see Lower Anchors and Tethers to read Where to Put the Restraint installed. for Children (LATCH System) 0 102 for 0 101. how and where to install the child restraint using LATCH. If a child If the rear seat is adjustable, make restraint is secured in the vehicle sure the rear seat is positioned fully using a seat belt and it uses a top rearward before installing a child tether, see Lower Anchors and Tethers restraint. for Children (LATCH System) 0 102 for top tether anchor locations. 1. Put the child restraint on the seat. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

SEATS AND RESTRAINTS 109 2. Pick up the latch plate, and run the lap and shoulder portions of the vehicle's seat belt through or around the child restraint. The child restraint instructions will show you how.

4. Pull the shoulder belt all the way 5. To tighten the belt, push down out of the retractor to set the on the child restraint, pull the lock. When the retractor lock is shoulder portion of the belt to set, the belt can be tightened but tighten the lap portion of the not pulled out of the retractor. belt, and feed the shoulder belt back into the retractor. When installing a forward-facing child 3. Push the latch plate into the restraint, it may be helpful to use buckle until it clicks. your knee to push down on the child restraint as you tighten Position the release button on the belt. the buckle, away from the child restraint, so that the seat belt Try to pull the belt out of the could be quickly unbuckled if retractor to make sure the necessary. retractor is locked. If the retractor is not locked, repeat Steps 4 and 5. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

110 SEATS AND RESTRAINTS 6. If the child restraint has a top Securing Child Restraints tether, follow the child restraint Warning (Continued) manufacturer's instructions (With the Seat Belt in the regarding the use of the top Front Seat) passenger frontal airbag inflates. tether. See Lower Anchors and This is because the back of the This vehicle has airbags. A rear seat is rear-facing child restraint would be Tethers for Children (LATCH a safer place to secure a System) 0 102. very close to the inflating airbag. forward-facing child restraint. See A child in a forward-facing child Where to Put the Restraint 0 101. 7. Before placing a child in the restraint can be seriously injured or child restraint, make sure it is In addition, the vehicle has a killed if the front outboard securely held in place. To check, passenger sensing system which is passenger frontal airbag inflates grasp the child restraint at the designed to turn off the front seat belt path and attempt to and the passenger seat is in a outboard passenger frontal airbag and forward position. move it side to side and back knee airbag under certain conditions. and forth. When the child See Passenger Sensing System 0 89 and Even if the passenger sensing restraint is properly installed, Passenger Airbag Status Indicator 0 138 system has turned off the front there should be no more than for more information, including outboard passenger airbag(s), no 2.5 cm (1 in) of movement. important safety information. system is fail-safe. No one can guarantee that an airbag will not To remove the child restraint, Never put a rear-facing child seat in unbuckle the vehicle seat belt and let the front. This is because the risk to deploy under some unusual it return to the stowed position. If the the rear-facing child is so great if the circumstance, even though the top tether is attached to a top tether airbag deploys. airbag(s) are off. anchor, disconnect it. Secure rear-facing child restraints { Warning in a rear seat, even if the airbag(s) are off. If you secure a A child in a rear-facing child forward-facing child restraint in the restraint can be seriously injured or front outboard passenger seat, killed if the front outboard (Continued) (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

SEATS AND RESTRAINTS 111 When using the lap-shoulder belt to 3. Pick up the latch plate, and run Warning (Continued) secure the child restraint in this the lap and shoulder portions of position, follow the instructions that the vehicle's seat belt through or always move the seat as far back as came with the child restraint and the around the child restraint. The it will go. It is better to secure the following instructions: child restraint instructions will child restraint in a rear seat. 1. Move the seat as far back as it show you how. 0 See Passenger Sensing System 89 will go before securing the for additional information. forward-facing child restraint. Move the seat upward or the If the child restraint uses a top tether, seatback to an upright position, see Lower Anchors and Tethers for if needed, to get a tight Children (LATCH System) 0 102 for top installation of the child restraint. tether anchor locations. When the passenger sensing Do not secure a child seat in a system has turned off the front position without a top tether anchor if outboard passenger frontal a national or local law requires that airbag and knee airbag, the OFF the top tether be anchored, or if the indicator on the passenger airbag instructions that come with the child status indicator should light and restraint say that the top tether must stay lit when you start the Tilt the latch plate to adjust the be anchored. vehicle. See Passenger Airbag Status Indicator 0 138. belt if needed. In Canada, the law requires that forward-facing child restraints have a 2. Put the child restraint on top tether, and that the tether be the seat. attached. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

112 SEATS AND RESTRAINTS

4. Push the latch plate into the 5. Pull the shoulder belt all the way 6. To tighten the belt, push down buckle until it clicks. out of the retractor to set the on the child restraint, pull the Position the release button on lock. When the retractor lock is shoulder portion of the belt to the buckle, away from the child set, the belt can be tightened but tighten the lap portion of the restraint, so that the seat belt not pulled out of the retractor. belt, and feed the shoulder belt could be quickly unbuckled if back into the retractor. When necessary. installing a forward-facing child restraint, it may be helpful to use your knee to push down on the child restraint as you tighten the belt. Try to pull the belt out of the retractor to make sure the retractor is locked. If the retractor is not locked, repeat Steps 5 and 6. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

SEATS AND RESTRAINTS 113 7. Before placing a child in the child restraint, make sure it is securely held in place. To check, grasp the child restraint at the seat belt path and attempt to move it side to side and back and forth. When the child restraint is properly installed, there should be no more than 2.5 cm (1 in) of movement. If the airbags are off, the OFF indicator in the passenger airbag status indicator will come on and stay on when the vehicle is started. If a child restraint has been installed and the ON indicator is lit, see “If the On Indicator Is Lit for a Child Restraint” under Passenger Sensing System 0 89. To remove the child restraint, unbuckle the vehicle seat belt and let it return to the stowed position. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

114 STORAGE Storage Storage Compartments Glove Box

{ Warning Storage Compartments Storage Compartments ...... 114 Do not store heavy or sharp objects Instrument Panel Storage ...... 114 in storage compartments. In a Glove Box ...... 114 crash, these objects may cause the Cupholders ...... 115 cover to open and could result in Armrest Storage ...... 115 injury. Rear Storage ...... 115 Center Console Storage ...... 116 Instrument Panel Storage Additional Storage Features Cargo Tie-Downs ...... 117 Convenience Net ...... 117 To open, touch the GLOVE BOX button. Close the glove box manually.

Press to release the cover. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

STORAGE 115 Cupholders Armrest Storage Rear Storage

From the rearseat armrest, press the Press the button and pull down the If equipped, press the lid to access the button to extend the cupholders. armrest. storage compartment in the rear Push the cupholders in to close. Press the latch and pull up to access doors. the storage area in the rear armrest. If equipped, there are seat controls on both sides of the armrest. See Rear Seats 0 72. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

116 STORAGE Rear Seat Pass-Through Door Center Console Storage

There are cupholders in the center console. Push and release on the When the rear armrest is down, there Press the button and lift to access the passenger side of the cover to access is access to the trunk. storage area. There are two USB ports the cupholders. Press the latch and pull the access inside. See the infotainment manual. door down. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

STORAGE 117 Additional Storage Convenience Net Features The vehicle may have a convenience net in the trunk. The net is attached Cargo Tie-Downs to the cargo tie-downs. Put small loads behind the net. It can also be positioned into an envelope to hold smaller items inside. Do not use the net for heavy loads.

The cargo tie-downs can be used to secure small loads and the convenience net. See Convenience Net 0 117, if equipped. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

118 INSTRUMENTS AND CONTROLS Engine Oil Pressure Gauge (Base Traction Off Light ...... 145 Instruments and Level Cluster Only) ...... 134 StabiliTrak OFF Light ...... 145 Controls Engine Coolant Temperature Traction Control System (TCS)/ Gauge ...... 135 StabiliTrak Light ...... 145 Voltmeter Gauge (Base Level Engine Coolant Temperature Controls Cluster Only) ...... 136 Warning Light ...... 146 Steering Wheel Adjustment . . . . . 119 Seat Belt Reminders ...... 137 Driver Mode Control Light ...... 146 Steering Wheel Controls ...... 119 Airbag Readiness Light ...... 137 Tire Pressure Light ...... 147 Heated Steering Wheel ...... 119 Passenger Airbag Status Engine Oil Pressure Light ...... 147 Horn ...... 120 Indicator ...... 138 Low Fuel Warning Light ...... 147 Windshield Wiper/Washer ...... 120 Charging System Light ...... 139 Security Light ...... 148 Compass ...... 122 Malfunction Indicator Lamp High-Beam On Light ...... 148 Clock ...... 122 (Check Engine Light) ...... 139 Lamps On Reminder ...... 148 Power Outlets ...... 122 Brake System Warning Light Cruise Control Light ...... 148 Wireless Charging ...... 123 (3.0L Twin Turbo and 3.6L Door Ajar Light ...... 149 V6 Engines) ...... 141 Cigarette Lighter ...... 125 Information Displays Ashtrays ...... 126 Brake System Warning Light (2.0L L4 Turbo and 4.2L Twin Driver Information Warning Lights, Gauges, and Turbo V8 Engines) ...... 141 Center (DIC) ...... 149 Indicators Electric Parking Brake Light . . . . . 142 Head-Up Display (HUD) ...... 152 Warning Lights, Gauges, and Service Electric Parking Brake Vehicle Messages Indicators ...... 126 Light ...... 143 Vehicle Messages ...... 156 Instrument Cluster (Base Antilock Brake System (ABS) Engine Power Messages ...... 156 Level) ...... 127 Warning Light ...... 143 Vehicle Speed Messages ...... 156 Instrument Cluster (Uplevel) . . . . 130 Gear Shifting Light ...... 143 Speedometer ...... 132 Automatic Vehicle Hold (AVH) Vehicle Personalization Odometer ...... 132 Light ...... 144 Vehicle Personalization ...... 157 Trip Odometer ...... 132 Lane Keep Assist (LKA) Light . . . 144 Tachometer ...... 133 Vehicle Ahead Indicator ...... 144 Fuel Gauge ...... 133 Pedestrian Ahead Indicator ...... 144 Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

INSTRUMENTS AND CONTROLS 119 Universal Remote System Controls Steering Wheel Controls Universal Remote System ...... 162 Universal Remote System The infotainment system can be Programming ...... 162 Steering Wheel Adjustment operated by using the steering wheel controls. See “Steering Wheel Universal Remote System Power Tilt and Telescoping Steering Controls” in the infotainment manual. Operation ...... 164 Wheel Heated Steering Wheel

Press the control to move the tilt and telescoping steering wheel up and down or forward and rearward. ( : If equipped with a heated steering Do not adjust the steering wheel while wheel, press to turn on or off. An driving. indicator next to the button is lit when the feature is turned on. The steering wheel takes about three minutes to start heating. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

120 INSTRUMENTS AND CONTROLS Automatic Heated Steering Wheel Windshield Wiper/Washer AUTO : Use this setting for If equipped with remote start, the intermittent wipes when Rainsense is heated steering wheel will turn on disabled, or for Rainsense wipes when automatically during a remote start it is enabled. For intermittent wipes, along with the heated seats when it is move the lever up to AUTO, then turn cold outside. The heated steering the band on the wiper lever up for wheel indicator light may not more frequent wipes or down for less come on. frequent wipes. If Rainsense is enabled, see “Rainsense” later in this If equipped with auto heated seats, section. the heated steering wheel will turn on when the auto heated seat is If the windshield wipers are in use activated. The heated steering wheel With the ignition on or in ACC/ while driving, the exterior lamps come indicator will display the state of the ACCESSORY, move the lever up or on automatically if the exterior lamp steering wheel heat. down to select the wiper speed. control is in AUTO. The transition time for the lamps coming on varies HI : Use for fast wipes. See Heated and Ventilated Front Seats based on wiper speed. See “Lights On 0 69 and Vehicle Personalization 0 157. LO : Use for slow wipes. with Wipers” under Automatic Headlamp System 0 169. Horn OFF : Use to turn the wipers off. Press a on the steering wheel pad to 1X : For a single wipe, briefly move sound the horn. the wiper lever down. For several wipes, hold the wiper lever down. f : Pull the windshield wiper lever toward you to spray windshield washer fluid and activate the wipers. The wipers will continue until the lever is released or the maximum wash time is reached. When the Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

INSTRUMENTS AND CONTROLS 121 windshield wiper lever is released, If the windshield wiper lever is then additional wipes may occur depending moved to OFF before the driver door is on how long the windshield washer opened or within 10 minutes after the had been activated. See Washer Fluid ignition is off, the wipers will restart 0 311 for information on filling the and move to the base of the windshield washer fluid reservoir. windshield. If the ignition is turned off while the { Warning wipers are performing wipes due to windshield washing or Rainsense, the . Turn the band up for more In freezing weather, do not use the wipers continue to run until they sensitivity to moisture. washer until the windshield is reach the base of the windshield. warmed. Otherwise the washer fluid . Turn the band down for less can form ice on the windshield, Rainsense sensitivity to moisture. blocking your vision. With Rainsense, a sensor near the top . Move the windshield wiper lever center of the windshield detects the out of the AUTO position to Clear snow and ice from the wiper amount of water on the windshield deactivate Rainsense. blades and windshield before using and controls the sensitivity of the windshield wiper. To enable or disable this feature, see them. If frozen to the windshield, “Rain Sense Wipers” under Vehicle carefully loosen or thaw them. Keep this area of the windshield clear Personalization 0 157. Damaged blades should be replaced. of debris to allow for best system See Wiper Blade Replacement 0 317. performance. Wiper Arm Assembly Protection Heavy snow or ice can overload the AUTO : If Rainsense is enabled, move When using an automatic car wash, wiper motor. the windshield wiper lever to AUTO. move the windshield wiper lever to OFF. This disables the automatic Wiper Parking Turn the band on the wiper lever to adjust the sensitivity. Rainsense windshield wipers. If the ignition is turned off while the wipers are on LO, HI, or AUTO with Rainsense disabled, they will immediately stop. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

122 INSTRUMENTS AND CONTROLS With Rainsense, if the transmission is Compass Power Outlets in N (Neutral) and the vehicle speed is very slow, the wipers will The vehicle may have a compass Power Outlet 12-Volt Direct Current display on the Driver Information automatically stop at the base of the The 12-volt accessory power outlet windshield. Center (DIC). The compass receives its heading and other information from can be used to plug in electrical The wiper operations return to normal the Global Positioning System (GPS) equipment, such as a cell phone or when the transmission is no longer in antenna, StabiliTrak/Electronic MP3 player. N (Neutral) or the vehicle speed has Stability Control (ESC), and vehicle increased. speed information. Rear Camera Washer The compass system is designed to operate for a certain number of miles or degrees of turn before needing a signal from the GPS satellites. When the compass display shows CAL, drive the vehicle for a short distance in an open area where it can receive a GPS signal. The compass system will automatically determine when a GPS signal is restored and provide a heading again. If equipped, push the windshield The vehicle has an accessory power wiper lever forward to spray washer Clock outlet on the rear seat trim panel. fluid on the rear camera lens. The Lift the cover to access the accessory The time and date for the clock can be lever returns to its starting position power outlet. set using the infotainment system. See when released. See Rear Camera Mirror “Time/Date” in “System“ under 0 53. “Settings” in the infotainment manual. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

INSTRUMENTS AND CONTROLS 123 Certain accessory power plugs may Wireless Charging The operating temperature is −20 °C not be compatible with the accessory (−4 °F) to 60 °C (140 °F) for the power outlet and could overload The system operates at 145 kHz and charging system and 0 °C (32 °F) to vehicle or adapter fuses. If a problem wirelessly charges one Qi compatible 35 °C (95 °F) for the smartphone. is experienced, see your dealer. smartphone. The power output of the system is capable of charging at a rate { Warning When adding electrical equipment, be up to 1 amp (5W), as requested by the sure to follow the proper installation compatible smartphone. See Radio Remove all objects from the instructions included with the Frequency Statement 0 407. equipment. See Add-On Electrical charging pad before charging your Equipment 0 285. compatible smartphone. Objects, { Warning such as coins, keys, rings, paper clips, or cards, between the Caution Wireless charging can affect the smartphone and charging pad will operation of an implanted become very hot. On the rare Hanging heavy equipment from the pacemaker or other medical devices. occasion that the charging system power outlet can cause damage not If you have one, it is recommended does not detect an object, and the covered by the vehicle warranty. to consult with your doctor before object gets wedged between the The power outlets are designed for using the wireless charging system. accessory power plugs only, such as smartphone and charger, remove cell phone charge cords. the smartphone and allow the The vehicle must be on, in ACC/ object to cool before removing it ACCESSORY, or Retained Accessory from the charging pad, to prevent Always unplug electrical equipment Power (RAP) must be active. The burns. when not in use and do not plug in wireless charging feature may not equipment that exceeds the maximum correctly indicate charging when the 20 amp rating. vehicle is in RAP. See Retained Accessory Power (RAP) 0 205. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

124 INSTRUMENTS AND CONTROLS working, or may reduce the OSS Notice Information charging performance. See your To obtain the source code that is dealer for additional information. contained in this product, please visit 3. A green } next to V will http://opensource.lge.com. In addition appear on the infotainment to the source code, all referred license display. This indicates that the terms, warranty disclaimers and smartphone is properly copyright notices are available for download. LG Electronics will also positioned and charging. If } provide open source code to you on turns yellow, ensure that the CD-ROM for a charge covering the charging pad is clear of any cost of performing such distribution objects and that the smartphone (such as the cost of media, shipping, is capable of wireless charging To charge a compatible smartphone: and handling) upon email request to before repositioning it. If } [email protected]. This offer is 1. Remove all objects from the does not illuminate, the valid for three (3) years from the date charging pad. The system may smartphone may need to be on which you purchased the product. not charge if there are any repositioned. objects between the smartphone Freescale-WCT library Software Acknowledgements and charging pad. Copyright (c) 2012-2014 Freescale 2. Place the smartphone face up on Certain Wireless Charging Module Semiconductor, Inc.. All rights the @ symbol on the charging product from LG Electronics, Inc. reserved. ("LGE") contains the open source pad and align it to the left wall 1. Redistributions of source code software detailed below. Refer to the of the charging bin. must retain the above copyright indicated open source licenses (as are notice, this list of conditions and To maximize the charge rate, included following this notice) for the the following disclaimer. ensure the smartphone is fully terms and conditions of their use. seated and centered in the bin with nothing under it. A thick smartphone case may prevent the wireless charger from Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

INSTRUMENTS AND CONTROLS 125 2. Redistributions in binary form FOR A PARTICULAR PURPOSE ARE Cigarette Lighter must reproduce the above DISCLAIMED. IN NO EVENT SHALL copyright notice, this list of THE COPYRIGHT HOLDER OR If equipped, there is a cigarette lighter conditions and the following CONTRIBUTORS BE LIABLE FOR ANY inside the center console storage area. disclaimer in the documentation DIRECT, INDIRECT, INCIDENTAL, To use the cigarette lighter, push it in and/or other materials provided SPECIAL, EXEMPLARY, OR all the way, and let go. When it is with the distribution. CONSEQUENTIAL DAMAGES ready, it will pop back out by itself. 3. Neither the name of the (INCLUDING, BUT NOT LIMITED TO, copyright holder nor the names PROCUREMENT OF SUBSTITUTE Caution of its contributors may be used GOODS OR SERVICES; LOSS OF USE, to endorse or promote products DATA, OR PROFITS; OR BUSINESS Holding a cigarette lighter in while derived from this software INTERRUPTION) HOWEVER CAUSED it is heating does not let the lighter without specific prior written AND ON ANY THEORY OF LIABILITY, back away from the heating permission. WHETHER IN CONTRACT, STRICT element when it is hot. Damage LIABILITY, OR TORT (INCLUDING from overheating can occur to the THIS SOFTWARE IS PROVIDED BY NEGLIGENCE OR OTHERWISE) lighter or heating element, or a fuse THE COPYRIGHT HOLDERS AND ARISING IN ANY WAY OUT OF THE CONTRIBUTORS "AS IS" AND ANY USE OF THIS SOFTWARE, EVEN IF could be blown. Do not hold a EXPRESS OR IMPLIED WARRANTIES, ADVISED OF THE POSSIBILITY OF cigarette lighter in while it is INCLUDING, BUT NOT LIMITED TO, SUCH DAMAGE. heating. THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

126 INSTRUMENTS AND CONTROLS Ashtrays Warning Lights, Gauges, Some warning lights come on briefly when the engine is started to indicate If equipped, there are front and rear and Indicators they are working. When one of the ashtrays. warning lights comes on and stays on Warning lights and gauges can signal while driving, or when one of the that something is wrong before it Caution gauges shows there may be a problem, becomes serious enough to cause an check the section that explains what expensive repair or replacement. If papers, pins, or other flammable to do. Waiting to do repairs can be Paying attention to the warning lights items are put in the ashtray, hot costly and even dangerous. and gauges could prevent injury. cigarettes or other smoking materials could ignite them and possibly damage the vehicle. Never put flammable items in the ashtray. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

INSTRUMENTS AND CONTROLS 127 Instrument Cluster (Base Level)

English Standard Theme Shown, Metric Similar Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

128 INSTRUMENTS AND CONTROLS Cluster Menu Audio Options There is an interactive display area in Press SEL to select the Audio app, Press SEL to select the Options app, the center of the instrument cluster. then press T to enter the Audio then press T to enter the Options Use the right steering wheel control to menu. In the Audio menu browse for menu. Use y or z to scroll through open and scroll through the different music, select from the favorites, the items. items and displays. or change the audio source. Use y or Units : Press T while Units is S z to change the station or go to the Press to access the cluster next or previous track. displayed to enter the Units menu. applications. Use y or z to scroll Choose US or Metric by pressing SEL through the list of available Phone while the desired item is highlighted. applications. Not all applications will Press SEL to select the Phone app, A checkmark will be displayed next to the selected item. be available on all vehicles. then press T to enter the Phone . Info App. This is where the menu. In the Phone menu, if there is Display Themes : There are two selected Driver Information Center no active phone call, view recent calls, instrument cluster display (DIC) displays can be viewed. See or scroll through contacts. If there is configurations to choose from: Driver Information Center (DIC) an active call, mute the phone or Standard and Technology. 0 switch to handset operation. 149. Info Pages : Press T while Info Pages . Audio Navigation is displayed to enter the Info Pages . Phone Press SEL to select the Navigation menu and select the items to be T displayed in the Info app. See Driver . Navigation app, then press to enter the Information Center (DIC) 0 149. Navigation menu. If there is no active . Options route, you can resume the last route and turn the voice prompts on/off. If there is an active route, press SEL to cancel or resume route guidance or turn the voice prompts on or off. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

INSTRUMENTS AND CONTROLS 129 Speed Warning : The Speed Warning display allows the driver to set a speed that they do not want to exceed. To set the Speed Warning, press T when Speed Warning is displayed. Press SEL when Enabled is highlighted. To set the speed, press T when Set Speed is highlighted. Press y or z to adjust the value. Press SEL to set the speed. Once the speed is set, this feature can be turned off by pressing SEL while viewing this page. If the selected speed limit is exceeded, a pop-up warning is displayed with a chime. Software Information : Displays open source software information. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

130 INSTRUMENTS AND CONTROLS Instrument Cluster (Uplevel)

English Balanced Cluster Shown, Metric Similar Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

INSTRUMENTS AND CONTROLS 131 Reconfigurable Instrument The Enhanced configuration has three 3. Scroll down to highlight Display Cluster interactive display zones. Layout. Then press SEL to select it. The cluster display layout can be changed. 4. Each layout in the menu is represented by a small preview image of the display layout. Scroll up or down and highlight the selection. Press SEL to select the desired cluster configuration. 5. Exit the Display Layout menu by Performance Configuration (CT6 pressing S. V-Series Only) Cluster Application Displays Balanced Configuration The Performance configuration has two interactive display zones. The cluster can display information The Balanced configuration has three regarding Navigation, Audio, and interactive display zones: one in the Use the five-way control on the right Phone. center of each of the gauges. side of the steering wheel to move between the different display zones Navigation and scroll through the different If there is no active route, a compass displays. will be displayed. If there is an active To change the cluster configuration: route, press SEL to end route guidance or turn the voice prompts on or off. 1. Find the Options page in one of the interactive display zones on Audio the cluster. While the Audio application page is 2. Press SEL to enter the displayed, press SEL to enter the Enhanced Configuration Options menu. Audio menu. In the Audio menu, search for music, select from favorites, or change the audio source Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

132 INSTRUMENTS AND CONTROLS Phone Info Pages : Press SEL while Info Press y or z to adjust the angle of Pages is highlighted to select the While the Phone application page is the HUD display. Press S or T to items to be displayed in the DIC info displayed, press SEL to enter the highlight OK, then press SEL to save Phone menu. In the Phone menu, displays. See Driver Information Center (DIC) 0 149. the setting. Cancel can also be if there is no active phone call, view selected to cancel the setting. The recent calls, select from favorites, Display Layout : Press SEL while vehicle must be in P (Park). or scroll through contacts. If there is Display Layout is highlighted to an active call, mute the phone or change the configuration of the Open Source Software : Press SEL switch to handset operation. cluster. See “Reconfigurable while Open Source Software is Instrument Cluster” earlier in this highlighted to display open source Cluster Options Menu section. software information. To enter the cluster Options menu: Speed Warning : Allows the driver to Speedometer 1. Use the five-way control on the set a speed that they do not want to right side of the steering wheel exceed. To set the Speed Warning, The speedometer shows the vehicle's to find the Options page in one press SEL when Speed Warning is speed in either kilometers per hour of the interactive display zones displayed. Press y or z to adjust the (km/h) or miles per hour (mph). on the cluster. value. This feature can be turned off Odometer 2. Press SEL on the center of the by pressing and holding SEL while five-way control to enter the viewing this page. If the selected The odometer shows how far the Options menu. speed limit is exceeded, a pop-up vehicle has been driven, in either warning is displayed and a chime may kilometers or miles. Units : Press SEL while Units is sound. highlighted to enter the Units menu. Choose U.S. or metric units by Head-up Display (HUD) Rotation : Trip Odometer pressing SEL while the desired item is This feature allows for adjusting the The trip odometer shows how far the highlighted. A checkmark will be angle of the HUD image. Press SEL on vehicle has been driven since the trip displayed next to the selected item. the steering wheel controls while odometer was last reset. Head-up Display Rotation is highlighted to enter Adjust Mode. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

INSTRUMENTS AND CONTROLS 133 The trip odometer is accessed and reset through the Driver Information Caution Center (DIC). See Driver Information Center (DIC) 0 149. If the engine is operated with the rpm’s in the warning area at the Tachometer high end of the tachometer, the vehicle could be damaged, and the The tachometer displays the engine damage would not be covered by speed in revolutions per minute (rpm). the vehicle warranty. Do not operate For vehicles with the Stop/Start the engine with the rpm’s in the system, when the ignition is on, the warning area. tachometer indicates the vehicle status. When pointing to AUTO STOP, Uplevel Balanced Configuration the engine is off but the vehicle is on Fuel Gauge and can move. The engine could auto When the ignition is on, the fuel start at any time. When the indicator gauge indicates about how much fuel points to OFF, the vehicle is off. is left in the tank. When the engine is on, the There is an arrow near the fuel gauge tachometer will indicate the engine’s pointing to the side of the vehicle the revolutions per minute (rpm). The fuel door is on. tachometer may vary by several When the indicator nears empty, the hundred rpm’s, during Auto Stop low fuel light comes on. There still is mode, when the engine is shutting off a little fuel left, but the vehicle should and restarting. be refueled soon.

Base Level Standard Theme Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

134 INSTRUMENTS AND CONTROLS Here are four things that some owners Engine Oil Pressure Gauge ask about. None of these show a problem with the fuel gauge: (Base Level Cluster Only) . At the service station, the fuel pump shuts off before the gauge reads full. . It takes a little more or less fuel to fill up than the gauge indicated. For example, the gauge may have indicated the tank was half full, but it actually took a little more or less than half the tank's capacity English, Standard Theme Shown to fill the tank. The engine oil pressure gauge shows . The gauge moves a little while the engine oil pressure Metric, Standard Theme Shown turning a corner or speeding up. in kPa (kilopascals) when the engine is . The gauge takes a few seconds to running. stabilize after the ignition is Oil pressure can vary with engine turned on, and goes back to empty speed, outside temperature and oil when the ignition is turned off. viscosity. On some models, the oil pump will vary engine oil pressure according to engine needs. Oil pressure may change quickly as the engine speed or load varies. This is normal. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

INSTRUMENTS AND CONTROLS 135 If the oil pressure warning light or Engine Coolant Driver Information Center (DIC) message indicates oil pressure outside Temperature Gauge the normal operating range, check the vehicle's oil as soon as possible. See Engine Oil 0 297.

Caution

Lack of proper engine oil maintenance can damage the engine. Driving with the engine oil low can also damage the engine. Base Level English Standard Theme The repairs would not be covered by the vehicle warranty. Check the oil level as soon as possible. Add oil Base Level Metric Standard Theme if required, but if the oil level is within the operating range and the oil pressure is still low, have the vehicle serviced. Always follow the maintenance schedule for changing engine oil.

Uplevel Metric Balanced Configuration Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

136 INSTRUMENTS AND CONTROLS Voltmeter Gauge (Base Readings outside the normal operating range can also occur when a large Level Cluster Only) number of electrical accessories are operating in the vehicle and the engine is left idling for an extended period. This condition is normal since the charging system is not able to provide full power at engine idle. As engine speeds are increased, this condition should correct itself as higher engine speeds allow the charging system to create maximum Uplevel English Balanced power. Configuration The vehicle can only be driven for a This gauge measures the temperature short time with the readings outside Standard Theme of the vehicle's engine coolant. the normal operating range. If the vehicle must be driven, turn off all While driving under normal operating When the ignition is on, this gauge indicates the battery voltage. accessories, such as the radio and air conditions, if the needle moves into conditioner, and unplug all chargers the red area, the engine is too hot. When the engine is running, this and accessories. Pull off the road, stop the vehicle, and gauge shows the condition of the turn off the engine as soon as charging system. The gauge can Readings outside the normal operating possible. transition from a higher to lower or a range indicate a possible problem in lower to higher reading. This is the electrical system. Have the vehicle normal. If the vehicle is operating serviced as soon as possible. outside the normal operating range, the charging system light comes on. See Charging System Light 0 139. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

INSTRUMENTS AND CONTROLS 137 Seat Belt Reminders Passenger Seat Belt Reminder laptop, or other electronic device. To Light turn off the reminder light and/or Driver Seat Belt Reminder Light chime, remove the object from the There is a passenger seat belt seat or buckle the seat belt. There is a driver seat belt reminder reminder light near the passenger light on the instrument cluster. airbag status indicator. See Passenger Airbag Readiness Light Sensing System 0 89. This light shows if there is an electrical problem with the airbag system. The system check includes the airbag sensor(s), the passenger sensing system, the pretensioners, the airbag modules, the wiring, and the When the vehicle is started, this light crash sensing and diagnostic module. flashes and a chime may come on to For more information on the airbag When the vehicle is started, this light 0 remind the driver to fasten their seat flashes and a chime may come on to system, see Airbag System 83. belt. Then the light stays on solid remind passengers to fasten their seat until the belt is buckled. This cycle belt. Then the light stays on solid may continue several times if the until the belt is buckled. This cycle driver remains or becomes unbuckled continues several times if the while the vehicle is moving. passenger remains or becomes If the driver seat belt is buckled, unbuckled while the vehicle is moving. neither the light nor the chime If the passenger seat belt is buckled, comes on. neither the chime nor the light The airbag readiness light comes on comes on. for several seconds when the vehicle is started. If the light does not come on The front passenger seat belt reminder then, have it fixed immediately. light and chime may turn on if an object is put on the seat such as a briefcase, handbag, grocery bag, Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

138 INSTRUMENTS AND CONTROLS If the word ON or the on symbol is lit { Warning on the passenger airbag status indicator, it means that the front If the airbag readiness light stays outboard passenger frontal airbag and on after the vehicle is started or knee airbag are allowed to inflate. comes on while driving, it means the airbag system might not be If the word OFF or the off symbol is lit United States working properly. The airbags in the on the airbag status indicator, it vehicle might not inflate in a crash, means that the passenger sensing system has turned off the front or they could even inflate without a outboard passenger frontal airbag and crash. To help avoid injury, have knee airbag. the vehicle serviced right away. If, after several seconds, both status indicator lights remain on, or if there If there is a problem with the airbag Canada are no lights at all, there may be a system, a Driver Information Center problem with the lights or the (DIC) message may also come on. When the vehicle is started, the passenger sensing system. See your passenger airbag status indicator will dealer for service. Passenger Airbag Status light ON and OFF, or the symbol for Indicator on and off, for several seconds as a system check. Then, after several more { Warning The vehicle has a passenger sensing seconds, the status indicator will light If the airbag readiness light ever system. See Passenger Sensing System either ON or OFF, or either the on or comes on and stays on, it means 0 89. The overhead console has a off symbol, to let you know the status passenger airbag status indicator. of the front outboard passenger that something may be wrong with frontal airbag and knee airbag. the airbag system. To help avoid injury to yourself or others, have the vehicle serviced right away. See (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

INSTRUMENTS AND CONTROLS 139 Have it checked by your dealer. Warning (Continued) Driving while this light is on could drain the battery. Airbag Readiness Light 0 137 for more information, including When this light comes on, or is important safety information. flashing, the Driver Information Center (DIC) also displays a message. Malfunctions are often indicated by If a short distance must be driven the system before any problem is Charging System Light with the light on, be sure to turn off noticeable. Being aware of the light all accessories, such as the radio and and seeking service promptly when it air conditioner. comes on may prevent damage. Malfunction Indicator Lamp Caution (Check Engine Light) This light is part of the vehicle’s If the vehicle is driven continually On some vehicles the charging system emission control on-board diagnostic with this light on, the emission light comes on briefly when the system. If this light is on while the control system may not work as ignition is turned on, but the engine is engine is running, a malfunction has well, the fuel economy may be not running, as a check to show the been detected and the vehicle may lower, and the vehicle may not run light is working. It should go out when require service. The light should come smoothly. This could lead to costly the engine is started. For vehicles with on to show that it is working when repairs that might not be covered a reconfigurable cluster, this light may the ignition is in Service Mode. See by the vehicle warranty. not come on when the ignition is Ignition Positions 0 200. turned on. If the light stays on, or comes on while driving, there may be a problem with the electrical charging system. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

140 INSTRUMENTS AND CONTROLS If the light continues to flash, find a . Poor fuel quality can cause Caution safe place to park. Turn the vehicle off inefficient engine operation and and wait at least 10 seconds before poor driveability, which may go Modifications to the engine, restarting the engine. If the light is away once the engine is warmed transmission, exhaust, intake, still flashing, follow the previous up. If this occurs, change the fuel or fuel system, or the use of guidelines and see your dealer for brand. It may require at least one replacement tires that do not meet service as soon as possible. full tank of the proper fuel to turn the original tire specifications, can the light off. See Recommended cause this light to come on. This If the light is on steady : A 0 malfunction has been detected. Fuel (2.0L L4 Turbo Engine) 274 could lead to costly repairs not Diagnosis and service may be or Recommended Fuel (3.0L Twin covered by the vehicle warranty. required. Turbo V6 and 4.2L Twin Turbo This could also affect the vehicle’s V8 Engines) 0 275 or Recommended ability to pass an Emissions Check the following: Fuel (3.6L V6 Engine) 0 275. Inspection/Maintenance test. See . If fuel has been added to the If the light remains on, see your 0 Accessories and Modifications 288. vehicle using the capless fuel dealer. funnel adapter, make sure that it Emissions Inspection and If the light is flashing : A has been removed. See “Filling the Tank with a Portable Gas Can” Maintenance Programs malfunction has been detected that 0 could damage the emission control under Filling the Tank 276. The If the vehicle requires an Emissions system and increase vehicle diagnostic system can detect if the Inspection/Maintenance test, the test emissions. Diagnosis and service may adapter has been left installed in equipment will likely connect to the be required. the vehicle, allowing fuel to vehicle's Data Link Connector (DLC). evaporate into the atmosphere. To help prevent damage, reduce A few driving trips with the vehicle speed and avoid hard adapter removed may turn off the accelerations and uphill grades. light. If towing a trailer, reduce the amount of cargo being hauled as soon as possible. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

INSTRUMENTS AND CONTROLS 141 The DLC is under the instrument Brake System Warning panel to the left of the steering wheel. { Warning Connecting devices that are not used Light (3.0L Twin Turbo and to perform an Emissions Inspection/ 3.6L V6 Engines) The brake system might not be Maintenance test or to service the working properly if the brake The vehicle brake system consists of system warning light is on. Driving vehicle may affect vehicle operation. two hydraulic circuits. If one circuit is See Add-On Electrical Equipment 0 285. with the brake system warning light not working, the remaining circuit can on can lead to a crash. If the light is See your dealer if assistance is needed. still work to stop the vehicle. For still on after the vehicle has been The vehicle may not pass normal braking performance, both pulled off the road and carefully inspection if: circuits need to be working. stopped, have the vehicle towed for . The light is on when the engine is If the warning light comes on, there is service. running. a brake problem. Have the brake system inspected right away. . The light does not come on when Brake System Warning the ignition is in Service Mode. Light (2.0L L4 Turbo and . Critical emission control systems have not been completely 4.2L Twin Turbo diagnosed. If this happens, the V8 Engines) vehicle would not be ready for The vehicle brake system consists of inspection and might require Metric English electronically controlled hydraulic several days of routine driving brake circuits. If a fault is detected, before the system is ready for This light should come on briefly valves are adjusted to allow the brake inspection. This can happen if the when the engine is started. If it does pedal to push brake fluid directly into 12-volt battery has recently been not come on then, have it fixed so it the hydraulic brake circuits. When a replaced or run down, or if the will be ready to warn you if there is a fault occurs, the brake system warning vehicle has been recently serviced. problem. light comes on, and Driver See your dealer if the vehicle will not If the light comes on and stays on, Information Center (DIC) messages pass or cannot be made ready for there is a brake problem. may display. Vehicle speed may also the test. be limited and the amount of brake Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

142 INSTRUMENTS AND CONTROLS pedal force applied may need to If the light comes on while driving, Electric Parking Brake increase. Have the vehicle brake pull off the road and stop carefully. system serviced as soon as possible. The pedal might be harder to push, Light or the pedal may go closer to the floor. It could take longer to stop. If the light is still on, have the vehicle towed for service. See Towing the Vehicle 0 367. Metric English Metric English { Warning This light comes on when the parking This light should come on briefly The brake system might not be when the engine is started. If it does brake is applied. If the light continues working properly if the brake flashing after the parking brake is not come on then, have it fixed so it system warning light is on. Driving will be ready to warn if there is a released, or while driving, there is a with the brake system warning light problem. problem with the Electric Parking on can lead to a crash. If the light is Brake system. A message may also The brake system warning light may still on after the vehicle has been display in the Driver Information also come on when the parking brake pulled off the road and carefully Center (DIC). is set, if the vehicle has low brake stopped, have the vehicle towed for If the light does not come on, fluid, or if the brakes are severely service. faded. See Brake Fluid 0 313. If the or remains flashing, see your dealer. brakes are overheated, DIC messages may display, and the vehicle speed may be limited. If the brake fluid is not low, if the brakes are not overheated, and if the parking brake is fully released, then the vehicle has a brake problem. Have the vehicle brake system serviced as soon as possible. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

INSTRUMENTS AND CONTROLS 143 Service Electric Parking Antilock Brake System If both the ABS and the brake system warning light are on, the vehicle's Brake Light (ABS) Warning Light antilock brakes are not functioning and there is a problem with the regular brakes. See your dealer for service. See Brake System Warning Light (3.0L Twin Turbo and 3.6L V6 Engines) 0 141 or Brake System Warning Light (2.0L L4 Turbo and 4.2L Twin Turbo V8 Engines) On some vehicles the service electric This light comes on briefly when the 0 141. parking brake light should come on engine is started. briefly when the vehicle is started. If the light does not come on, have it Gear Shifting Light If it does not come on, have it fixed so fixed so it will be ready to warn if it will be ready to warn if there is a there is a problem. problem. For vehicles with the reconfigurable cluster, this light may If the light comes on while driving, not come on when the vehicle is stop as soon as it is safely possible started. and turn off the vehicle. Then start the engine again to reset the system. If this light stays on, the vehicle If the ABS light stays on, or comes on should be taken to a dealer as soon as again while driving, the vehicle needs If equipped, this light will display possible. See Electric Parking Brake when Performance Algorithm Liftfoot 0 service. A chime may also sound when 216. A message may also display in the light comes on steady. (PAL) or Performance Algorithm Shift the Driver Information Center (DIC). (PAS) is activated. See Driver Mode If the ABS light is the only light on, Control 0 221. the vehicle has regular brakes, but the antilock brakes are not functioning. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

144 INSTRUMENTS AND CONTROLS Automatic Vehicle Hold For vehicles with the uplevel cluster, If equipped, this indicator will display this light may not come on when green when a vehicle is detected (AVH) Light starting the vehicle. ahead and amber when you are This light is green if LKA is available following a vehicle ahead much too to assist. closely. See Forward Collision Alert (FCA) LKA may assist by gently turning the 0 steering wheel if the vehicle System 260. approaches a detected lane marking without using the turn signal in that Pedestrian Ahead Indicator This light comes on when AVH is direction. The LKA light will turn turned on. See Automatic Vehicle Hold amber. 0 (AVH) 218. This light is amber and flashes as a Lane Departure Warning (LDW) alert, Lane Keep Assist (LKA) to indicate that the lane marking has Light been crossed. 0 See Lane Keep Assist (LKA) 270. If equipped, this indicator will display amber when a nearby pedestrian is Vehicle Ahead Indicator detected directly in front of the vehicle. See Front Pedestrian Braking (FPB) System 0 263. For some vehicles, this light comes on briefly while starting the vehicle. If it does not come on, have the vehicle serviced. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

INSTRUMENTS AND CONTROLS 145 Traction Off Light See Traction Control/Electronic Stability Traction Control System 0 Control 219. (TCS)/StabiliTrak Light StabiliTrak OFF Light

This light comes on briefly while starting the engine. If it does not, This light comes on briefly when the have the vehicle serviced by your engine is started. dealer. If the system is working This light comes on briefly while normally, the indicator light then starting the engine. If it does not, If the light does not come on, have turns off. For vehicles with a have the vehicle serviced by your the vehicle serviced by your dealer. reconfigurable cluster, this light is in dealer. If the system is working normally, the indicator light turns off. the display area and it may not come This light comes on when the on when the ignition is turned on. StabiliTrak/Electronic Stability Control If the light is on and not flashing, the The traction off light comes on when (ESC) system is turned off. TCS and potentially the StabiliTrak/ the Traction Control System (TCS) has If StabiliTrak/ESC is off, the Traction ESC system have been disabled. been turned off by pressing and Control System (TCS) is also off. A Driver Information Center (DIC) message may display. Check the DIC releasing the TCS/StabiliTrak/ESC If StabiliTrak/ESC and TCS are off, the button. messages to determine which system does not assist in controlling feature(s) is no longer functioning and This light and the StabiliTrak/ESC OFF the vehicle. Turn on the TCS and the whether the vehicle requires service. light come on when StabiliTrak/ StabiliTrak/ESC systems, and the Electronic Stability Control (ESC) is warning light turns off. If the light is on and flashing, the TCS turned off. and/or the StabiliTrak/ESC system is See Traction Control/Electronic Stability actively working. If the TCS is off, wheel spin is not Control 0 219. limited. Adjust driving accordingly. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

146 INSTRUMENTS AND CONTROLS See Traction Control/Electronic Stability Control 0 219. Caution (Continued) Engine Coolant and it may not be covered by the vehicle warranty. See Engine Temperature Warning Light Overheating 0 310. This light comes on when Snow/Ice The engine coolant temperature Mode is selected. warning light comes on when the engine has overheated. If this happens pull over and turn off the engine as soon as possible. See 0 On some vehicles this light comes on Engine Overheating 310. briefly while starting the vehicle. If it does not, have the vehicle serviced by Driver Mode Control Light the dealer. If the system is working This light comes on when Track Mode normally the indicator light goes off. is selected. For vehicles with the reconfigurable See Driver Mode Control 0 221. cluster, this light may not come on when starting the vehicle.

Caution This light comes on when Sport Mode The engine coolant temperature is selected. warning light indicates that the vehicle has overheated. Driving with this light on can damage the engine (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

INSTRUMENTS AND CONTROLS 147 Tire Pressure Light problem is not corrected, the light will This light should come on briefly as come on at every ignition cycle. See the engine is started. If it does not Tire Pressure Monitor Operation 0 346. come on, have the vehicle serviced by your dealer. Engine Oil Pressure Light If the light comes on and stays on, it means that oil is not flowing through Caution the engine properly. The vehicle could be low on oil and might have some For vehicles with the Tire Pressure Lack of proper engine oil other system problem. See your dealer. Monitor System (TPMS), this light maintenance can damage the comes on briefly when the engine is engine. Driving with the engine oil Low Fuel Warning Light started. It provides information about low can also damage the engine. tire pressures and the TPMS. The repairs would not be covered by the vehicle warranty. Check the When the Light Is On Steady oil level as soon as possible. Add oil This indicates that one or more of the if required, but if the oil level is tires are significantly underinflated. within the operating range and the A Driver Information Center (DIC) tire oil pressure is still low, have the pressure message may also display. vehicle serviced. Always follow the This light is near the fuel gauge and Stop as soon as possible, and inflate maintenance schedule for changing comes on briefly when the ignition is the tires to the pressure value shown engine oil. turned on as a check to show it is on the Tire and Loading Information working. For vehicles with a label. See Tire Pressure 0 343. reconfigurable cluster, this light is in the display area and may not come on When the Light Flashes First and when the ignition is turned on. Then Is On Steady It also comes on when the fuel tank is If the light flashes for about a minute low on fuel. The light turns off when and then stays on, there may be a fuel is added. If it does not, have the problem with the TPMS. If the vehicle serviced. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

148 INSTRUMENTS AND CONTROLS Security Light High-Beam On Light Lamps On Reminder

On some vehicles the immobilizer This light comes on when the This light comes on when the exterior light should come on briefly as the high-beam headlamps are in use. See lamps are in use. See Exterior Lamp engine is started. If it does not come Headlamp High/Low-Beam Changer Controls 0 166. on, have the vehicle serviced by your 0 168. dealer. If the system is working Cruise Control Light normally, the indicator light turns off. IntelliBeam Light For vehicles with the reconfigurable cluster, this light may not come on when the engine is started. If the light stays on and the engine does not start, there could be a problem with the theft-deterrent system. See Immobilizer Operation The cruise control light is white when 0 50. This light comes on when the IntelliBeam system, if equipped, is the cruise control is on and ready, and turns green when the cruise control is enabled. See Exterior Lamp Controls set and active. 0 166. See Cruise Control 0 225. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

INSTRUMENTS AND CONTROLS 149 Adaptive Cruise Control Light Door Ajar Light Information Displays Driver Information Center (DIC) The DIC is displayed in the instrument cluster. It shows the status of many vehicle systems. This light is white when the Adaptive For vehicles equipped with this light, Cruise Control (ACC, if equipped) is on it comes on when a door is open or and ready, and turns green when the not securely latched. Before driving, ACC is set and active. See Adaptive check that all doors are properly Cruise Control 0 227. closed. Super Cruise Light

This light comes on to show the y or z : Press to go to the previous status of super cruise. See Super Cruise or next selection. 0 235. S or T : Press to move between the interactive display zones in the cluster. Press S to go back to the previous menu. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

150 INSTRUMENTS AND CONTROLS SEL : Press to open a menu or select a Speed (Base Cluster) : Shows the Fuel Range : Shows the approximate menu item. Press and hold to reset vehicle speed in either kilometers per distance the vehicle can be driven values on certain screens. hour (km/h) or miles per hour (mph). without refueling. LOW will be displayed when the vehicle is low on DIC Information Display Options Trip A or Trip B, Average Fuel Economy, and Average Speed (Base fuel. The fuel range estimate is based The info displays on the DIC can be Cluster) / Trip 1 or Trip 2 and on an average of the vehicle's fuel turned on or off through the Average Fuel Economy (Uplevel economy over recent driving history Options menu. Cluster) : The Trip display shows the and the amount of fuel remaining in the fuel tank. 1. Press SEL while viewing the current distance traveled, in either Options page in one of the kilometers (km) or miles (mi), since Average Fuel Economy (Base interactive display zones on the the trip odometer was last reset. The Cluster) : Shows the approximate cluster. trip odometer can be reset by pressing average liters per 100 kilometers and holding SEL while this display is (L/100 km) or miles per gallon (mpg). 2. Scroll to Info Pages and active. This number is calculated based on press SEL. The Average Fuel Economy display the number of L/100 km (mpg) 3. Press y or z to move through shows the approximate average liters recorded since the last time this menu the list of possible info displays. per 100 kilometers (L/100 km) or item was reset. This number reflects only the approximate average fuel 4. Press SEL while an item is miles per gallon (mpg). This number is calculated based on the number of economy that the vehicle has right highlighted to select or deselect now, and will change as driving that item. When an item is L/100 km (mpg) recorded since the last time this menu item was reset. conditions change. The Average Fuel selected, a checkmark will appear Economy can be reset by pressing and next to it. This number reflects only the approximate average fuel economy holding SEL while this display is DIC Information Displays that the vehicle has right now, and active. The following is the list of all possible will change as driving conditions Average Speed : Shows the average DIC information displays. Some of the change. The Average Fuel Economy speed of the vehicle in kilometers per information displays may not be can be reset along with the trip hour (km/h) or miles per hour (mph). available for your particular vehicle. odometer by pressing and holding SEL This average is calculated based on while this display is active. the various vehicle speeds recorded Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

INSTRUMENTS AND CONTROLS 151 since the last reset of this value. The speed limit is exceeded, a pop-up Oil Life : Shows an estimate of the average speed can be reset by pressing warning is displayed and a chime may oil's remaining useful life. and holding SEL while this display is sound. If REMAINING OIL LIFE 99% is active. Cruise Set Speed : Shows the speed displayed, that means 99% of the Timer : This display can be used as a the cruise control or Adaptive Cruise current oil life remains. timer. To start the timer, press SEL Control is set to. When the remaining oil life is low, the while this display is active. The Follow Distance : If equipped, the CHANGE ENGINE OIL SOON message display will show the amount of time current follow time to the vehicle will appear on the display. The oil that has passed since the timer was should be changed as soon as ahead is displayed as a time value on 0 last reset. To stop the timer, press SEL this page. possible. See Engine Oil 297. In briefly while this display is active and addition to the engine oil life system the timer is running. To reset the Driver Assistance (Uplevel monitoring the oil life, additional timer to zero, press and hold SEL Cluster) : May show information for maintenance is recommended. See while this display is active. Lane Keep Assist (LKA), Lane Maintenance Schedule 0 379. Departure Warning (LDW), Adaptive Compass (Uplevel Cluster) : Shows Cruise Control (ACC), and Forward The Oil Life display must be reset the direction the vehicle is driving. Collision Alert (FCA). The display after each oil change. It will not reset Speed Limit : Shows the current shows if there is a vehicle detected itself. Do not reset the Oil Life display speed limit. The information for this ahead, and the current FCA timing accidentally at any time other than page comes from a roadway database. setting. In addition, when ACC is not when the oil has just been changed. engaged, the current follow time to It cannot be reset accurately until the Speed Warning : Allows the driver to next oil change. To reset the engine set a speed that they do not want to the vehicle ahead is displayed as a time value on this page. oil life system, press and hold SEL for exceed. To set the Speed Warning, several seconds while the Oil Life press SEL when Speed Warning is Battery Voltage : Shows the current display is active. See Engine Oil Life displayed. Press y or z to adjust the battery voltage. System 0 300. value. This feature can be turned off by pressing and holding SEL while viewing this page. If the selected Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

152 INSTRUMENTS AND CONTROLS Engine Air Filter Life : Shows an Tire Pressure : Shows the If equipped with HUD, some estimate of the engine air filter’s approximate pressures of all four tires. information concerning the operation remaining useful life and the state of Tire pressure is displayed in either of the vehicle is projected onto the the system. Engine Air Filter Life 95% kilopascal (kPa) or in pounds per windshield. The information is means 95% of the current air filter life square inch (psi). If the pressure is projected through the HUD lens on remains. Messages will display based low, the value for that tire is shown in top of the instrument panel. The on the engine air filter life and the amber. See Tire Pressure Monitor information appears as an image state of the system. When the System 0 345 and Tire Pressure focused out toward the front of the REPLACE AT NEXT OIL CHANGE Monitor Operation 0 346. vehicle. message displays, the engine air filter Vehicle Odometer (Base Cluster) : should be replaced at the time of the Shows the odometer. Caution next oil change. When the REPLACE ENGINE AIR FILTER NOW message Blank Page : Allows for no If you try to use the HUD image as displays, the engine air filter should information to be displayed in the a parking aid, you may misjudge be replaced as soon as possible. cluster info display areas. the distance and damage your The Engine Air Filter Life display vehicle. Do not use the HUD image must be reset after the engine air Head-Up Display (HUD) as a parking aid. filter replacement. To reset, see Engine 0 { Warning Air Filter Life System 302. The HUD information can be Brake Pad Life : This displays an If the HUD image is too bright or displayed in various languages in estimate of the remaining life of the too high in your field of view, it some vehicles. The speedometer reading and other numerical values front and rear brake pads. Messages may take you more time to see will display based on brake pad wear can be displayed in either English or things you need to see when it is and the state of the system. Reset the metric units. dark outside. Be sure to keep the Brake Pad Life display after replacing the brake pads. See Brake Pad Life HUD image dim and placed low in System 0 312. your field of view. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

INSTRUMENTS AND CONTROLS 153 The language selection is changed . Performance $ : Press or lift to center the HUD through the radio, and the units of . Safety Indicators image. The HUD image can only be measurement is changed through the adjusted up and down, not side instrument cluster. See “Settings” in . Vehicle Messages to side. the infotainment manual and Some vehicle messages or alerts ! : Press to select the display view. "Options" under Instrument Cluster displayed in the HUD may be cleared 0 Each press will change the (Uplevel) 130 or Instrument Cluster by using the steering wheel controls. 0 display view. (Base Level) 127. See Vehicle Messages 0 156. D : Lift and hold to brighten the display. Press and hold to dim the display. Continue to hold to turn the display off. The HUD image will automatically dim and brighten to compensate for outside lighting. The HUD brightness The HUD control is to the left of the control can also be adjusted as steering wheel. needed. To adjust the HUD image: The HUD image can temporarily light up depending on the angle and 1. Adjust the driver seat. position of sunlight on the HUD HUD Display on the Windshield 2. Start the engine. display. This is normal. The HUD may display some of the Polarized sunglasses could make the following information: 3. Use the following settings to adjust the HUD. HUD image harder to see. . Speed . Audio . Phone . Navigation Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

154 INSTRUMENTS AND CONTROLS HUD Rotation Option This feature allows for adjusting the angle of the HUD image. Press SEL on the steering wheel controls while Head-up Display Rotation is highlighted to enter Adjust Metric Metric Mode. Press y or z to adjust the angle of the HUD display. Press S or T to highlight OK, then press SEL to save the setting. CANCEL can also be selected to cancel the setting. The vehicle must be in P (Park). See Instrument Cluster (Uplevel) 0 130 or Instrument Cluster (Base Level) English English 0 127. Speed View : This displays digital Audio/Phone View : This displays speed in English or metric units, digital speed, indicators from speed HUD Views speed limit, vehicle ahead indicator, view, along with audio/phone There may be four views in the HUD. pedestrian indicator, Lane Departure information. The current radio station, Some vehicle information and vehicle Warning/Lane Keep Assist/Super media type, and incoming calls will be messages or alerts may be displayed Cruise, Adaptive Cruise Control (ACC), displayed. in any view. and ACC set speed. Some information All HUD views may briefly display only appears on vehicles that have audio information when the steering these features, and when they are wheel controls are used to adjust the active. audio information appearing in the instrument cluster. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

INSTRUMENTS AND CONTROLS 155 Care of the HUD Clean the inside of the windshield to remove any dirt or film that could reduce the sharpness or clarity of the HUD image. Metric Metric Clean the HUD lens with a soft cloth sprayed with glass cleaner. Wipe the lens gently, then dry it. HUD Troubleshooting If the HUD image cannot be seen when the ignition is on, check that: . Nothing is covering the HUD lens. English English . The HUD brightness setting is not Navigation View : This display Performance View : This display too dim or too bright. includes digital speed, indicators from includes the information in the speed speed view, along with Turn-by-Turn view, along with rpm reading, . The HUD is adjusted to the proper Navigation information in some transmission positions, and gear shift height. vehicles. The compass heading is indicator, if equipped. . Polarized sunglasses are not worn. displayed when navigation routing is The shift timing lights at the top of not active. . The windshield and HUD lens are the display will appear with increases clean. Navigation Turn-by-Turn Alerts in engine rpm. The rows of lights get shown in the instrument cluster may closer together as the shift point gets If the HUD image is not correct, also be displayed in any HUD view. closer. Shift the transmission before contact your dealer. the lights come together in the The windshield is part of the HUD display. Shift immediately if the lights system. If the windshield needs are flashing. See Manual Mode 0 214. replacing, see Windshield Replacement 0 317. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

156 INSTRUMENTS AND CONTROLS Vehicle Messages . Steering performance, proceed to your . Ride Control Systems destination. The performance may be Messages displayed on the DIC reduced the next time the vehicle is indicate the status of the vehicle or . Driver Assistance Systems driven. The vehicle may be driven some action that may be needed to . Cruise Control while this message is on, but correct a condition. Multiple messages maximum acceleration and speed may may appear one after another. . Lighting and Bulb Replacement be reduced. Anytime this message The messages that do not require . Wiper/Washer Systems stays on, or displays repeatedly, the vehicle should be taken to your dealer immediate action can be . Doors and Windows acknowledged and cleared by pressing for service as soon as possible. SEL. The messages that require . Seat Belts immediate action cannot be cleared . Airbag Systems Vehicle Speed Messages until that action is performed. . Engine and Transmission SPEED LIMITED TO All messages should be taken . Tire Pressure XXX KM/H (MPH) seriously; clearing the message does not correct the problem. . Battery This message shows that the vehicle speed has been limited to the speed If a SERVICE message appears, see Engine Power Messages displayed. The limited speed is a your dealer. protection for various propulsion and Follow the instructions given in the ENGINE POWER IS REDUCED vehicle systems, such as lubrication, messages. The system displays thermal, suspension, Teen Driver if This message displays when the equipped, or tires. messages regarding the following vehicle's propulsion power is reduced. topics: A reduction in propulsion power can . Service Messages affect the vehicle's ability to accelerate. If this message is on, but . Fluid Levels there is no observed reduction in . Vehicle Security . Brakes Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

INSTRUMENTS AND CONTROLS 157 Vehicle Personalization Rear Seat Reminder Touch Auto (follows the MODE switch), Tour, Sport, or Track This allows for a chime and a message The following are all possible vehicle (V-Series only). personalization features. Depending when the rear door has been opened on the vehicle, some may not be before or during operation of the Suspension vehicle. available. This allows the Suspension setting to For System, Apps, and Personal Touch Off or On. be changed. features and functions, see “Settings” Driving Mode Touch Auto (follows the MODE in the infotainment manual. switch), Tour, Sport, or Track These settings will overwrite the main (V-Series only). To access the vehicle Vehicle Mode selections made with personalization menu: the MODE switch on the console. Climate and Air Quality 1. Touch the Settings icon on the Touch and the following may display: Touch and the following may display: Home Page of the infotainment display. . Engine Sound Management . Auto Fan Speed 2. Touch Vehicle to display a list of . Steering . Air Quality Sensor available options. . Suspension . Auto Cooled Seats 3. Touch to select the desired Engine Sound Management . Auto Heated Seats feature setting. This allows the Engine Sound . Auto Defog 9 4. Touch or R to turn a feature Management setting to be changed. . Auto Rear Defog off or on. Touch Auto (follows the MODE . Ionizer 5. Touch z to go to the top level of switch), Tour, Sport, or Track Auto Fan Speed the Settings menu. (V-Series only). This setting specifies the amount of The menu may contain the following: Steering airflow when the climate control fan This allows the Steering setting to be setting is Auto Fan. changed. Touch Low, Medium, or High. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

158 INSTRUMENTS AND CONTROLS Air Quality Sensor Auto Defog . Lane Change Alert This setting switches the system into This setting automatically turns the . Rear Pedestrian Detection Recirculation Mode based on the front defogger on when the engine is . Rear Cross Traffic Alert quality of the outside air. started. Alert Type Touch Off, Low Sensitivity, or High Touch Off or On. Sensitivity. This setting specifies the type of Auto Rear Defog vehicle feedback provided, either a Auto Cooled Seats This setting automatically turns the beep or seat vibration, when you are When enabled, this feature will rear defogger on when the engine is in danger of colliding with an object. automatically activate the ventilated started. Touch Beeps or Safety Alert Seat. seats at the level required by the Touch Off or On. interior temperature. See Heated and Forward Collision System 0 Ionizer Ventilated Front Seats 69. This setting controls the vehicle Touch Off or On. If equipped and on, this feature response when detecting a vehicle purifies the air in the interior of the ahead of you. The Off setting disables Auto Heated Seats vehicle. See Automatic Climate Control all FCA and FAB functions. With the This setting automatically turns on System (Dual Zone) 0 175 or Automatic Alert and Brake setting, both FCA and and regulates the heated seats when Climate Control System (Quad Zone) FAB are available. The Alert setting the cabin temperature is cool. The 0 180. disables FAB. See Forward Automatic 0 auto heated seats can be turned off by Touch Off or On. Braking (FAB) 262. using the heated seat buttons on the Touch Off, Alert, or Alert and Brake. center stack. See Heated and Ventilated Collision / Detection Systems Front Seats 0 69. Front Pedestrian Detection Touch and the following may display: If equipped with Auto Heated Steering This feature will turn on or off the . Alert Type Wheel, this feature will turn on when Front Pedestrian Braking (FPB) system the Auto Heated Seats turn on. . Forward Collision System alerts and automatic braking. The Off Touch Off or On. . Front Pedestrian Detection setting disables all FPB functions. With the Alert & Brake setting, system . Adaptive Cruise Go Notifier Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

INSTRUMENTS AND CONTROLS 159 alerts and automatic braking are both Rear Pedestrian Detection Touch the controls on the available. The Alert setting disables This setting specifies if there is an infotainment display to adjust the automatic braking. See Front alert when the system detects volume. Pedestrian Braking (FPB) System 0 263. pedestrians behind the vehicle when Reverse Tilt Mirror Touch Off, Alert, or Alert & Brake. in R (Reverse). When on, both the driver and Adaptive Cruise Go Notifier Touch Off or Alert. passenger, driver, or passenger outside This setting determines if an alert will Rear Cross Traffic Alert mirrors will tilt downward when the appear when Adaptive Cruise Control vehicle is shifted to R (Reverse) to This setting specifies if an alert will improve visibility of the ground near brings the vehicle to a complete stop display when the vehicle detects and the vehicle ahead of you starts the rear wheels. They will return to approaching rear cross traffic when in their previous driving position when moving again. See Adaptive Cruise R (Reverse). See Assistance Systems for Control 0 227. the vehicle is shifted out of Parking or Backing 0 251. R (Reverse) or the engine is turned off. Touch Off or On. Touch Off or On. Touch Off, On - Driver and Passenger, Lane Change Alert Comfort and Convenience On - Driver, or On - Passenger. This setting specifies if an alert will Touch and the following may display: Remote Mirror Folding display on the outside mirror to help you avoid crashing into a vehicle in . Chime Volume When on, the outside mirrors will automatically fold or unfold when the your blind spot, or rapidly . Reverse Tilt Mirror approaching your blind spot, during a Remote Keyless Entry (RKE) lane change maneuver. See Lane . Remote Mirror Folding transmitter Q or K is pressed and 0 Change Alert (LCA) 268. . Rain Sense Wipers held on. When Lane Change Alert is disabled, . Hands Free Trunk Control Touch Off or On. Side Blind Zone Alert is also disabled. Chime Volume Touch Off or On. This setting determines the chime volume level. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

160 INSTRUMENTS AND CONTROLS Rain Sense Wipers Exit Lighting Delayed Door Lock This setting automatically turns on This setting specifies how long the This setting delays the locking of the the wipers when moisture is detected headlamps stay on after the vehicle is vehicle’s doors. and the wiper switch is in turned off and exited. Touch Off or On. intermittent mode. Touch Off, 30 Seconds, 60 Seconds, Touch Disabled or Enabled. or 120 Seconds. Remote Lock, Unlock, Start Hands Free Trunk Control Power Door Locks Touch and the following may display: . Remote Unlock Light Feedback The power trunk may be operated Touch and the following may display: with a kicking motion under the rear . Remote Lock Feedback . Open Door Anti Lock Out bumper at the location of the . Remote Door Unlock projected logo. See Trunk 0 42. . Auto Door Unlock . Remote Start Auto Cool Seats Select Off, On-Open and Close, . Delayed Door Lock or On-Open Only. . Remote Start Auto Heat Seats Open Door Anti Lock Out . Remote Window Operation Lighting This setting prevents the driver door . Touch and the following may display: from locking when the door is open. Passive Door Unlock If this setting is on, the Delayed Door . . Passive Door Lock Vehicle Locator Lights Lock menu will not be available. . . Remote Left in Vehicle Alert Exit Lighting Touch Off or On. Remote Unlock Light Feedback Vehicle Locator Lights Auto Door Unlock This setting flashes the vehicle’s This setting flashes the exterior lamps K This allows selection of which of the when the vehicle is unlocked with the headlamps when is pressed on the doors will automatically unlock when RKE transmitter. Remote Keyless Entry (RKE) the vehicle is shifted into P (Park). transmitter. Touch Off or Flash Lights. Touch Off, All Doors, or Driver Door. Touch Off or On. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

INSTRUMENTS AND CONTROLS 161 Remote Lock Feedback If equipped with Auto Heated Steering Touch Off, On with Horn Chirp, or On. Wheel, this feature will turn on when This setting specifies how the vehicle Remote Left in Vehicle Alert responds when the vehicle is locked the Remote Start Auto Heated Seats with the RKE transmitter. turn on. This feature sounds an alert when the Touch Off or On. RKE transmitter is left in the vehicle. Touch Off, Lights and Horn, Lights This menu also enables Remote No Only, or Horn Only. Remote Window Operation Longer in Vehicle Alert. Remote Door Unlock If equipped, this feature enables Touch Off or On. remote operation of the windows with This setting specifies whether all Seating Position doors, or just the driver door, unlock the RKE transmitter. See Remote K Keyless Entry (RKE) System Operation Touch and the following may display: when pressing on the RKE 0 29. transmitter. . Seat Entry Memory Touch Off or On. Touch All Doors or Driver Door. . Seat Exit Memory Passive Door Unlock Remote Start Auto Cool Seats Seat Entry Memory This setting specifies which doors This feature automatically recalls the If equipped and turned on, this unlock when using the button on the previously stored 1 or 2 button feature will turn the ventilated seats driver door handle to unlock the positions when the ignition is changed on when using remote start on vehicle. warm days. from off to on or ACC/ACCESSORY. Touch All Doors or Driver Door Only. See Memory Seats 0 66. Touch Off or On. Passive Door Lock Touch On or Off. Remote Start Auto Heat Seats This setting specifies if the vehicle will Seat Exit Memory This setting automatically turns on automatically lock, or lock and This feature automatically recalls the the heated seats when using the provide an alert after all the doors are previously stored exit button position remote start function on cold days. closed, and you walk away from the when exiting the vehicle. See Memory See Heated and Ventilated Front Seats vehicle with the RKE transmitter. See 0 0 Seats 0 66. 69 and Remote Vehicle Start 36. Remote Keyless Entry (RKE) System Operation 0 29. Touch Off or On. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

162 INSTRUMENTS AND CONTROLS Teen Driver Universal Remote instructions refer to a garage door opener, but can be used for other See “Teen Driver” under “Settings” in System devices. the infotainment manual. See Radio Frequency Statement 0 407. Do not use the Universal Remote Valet Mode system with any garage door opener This will lock the infotainment system Universal Remote System that does not have the stop and and steering wheel controls. It may Programming reverse feature. This includes any also limit access to vehicle storage garage door opener model locations, if equipped. manufactured before April 1, 1982. To enable valet mode: Read these instructions completely before programming the Universal 1. Enter a four-digit code on the Remote system. It may help to have keypad. another person assist with the 2. Touch Enter to go to the programming process. confirmation screen. Keep the original hand-held 3. Re-enter the four-digit code. transmitter for use in other vehicles as well as for future programming. Touch Lock or Unlock to lock or Erase the programming when vehicle unlock the system. Touch Back to go ownership is terminated. See “Erasing back to the previous menu. Universal Remote System Buttons” If equipped, these buttons are in the later in this section. overhead console. To program a garage door opener, This system can replace up to three park outside directly in line with and remote control transmitters used to facing the garage door opener receiver. activate devices such as garage door Clear all people and objects near the openers, security systems, and home garage door. automation devices. These Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

INSTRUMENTS AND CONTROLS 163 Make sure the hand-held transmitter button until the indicator light five seconds. If the light stays has a new battery for quick and changes from a slow to a rapid on or the garage door moves, accurate transmission of the flash. Then release both buttons. programming is complete. radio-frequency signal. Some garage door openers may . If the indicator light blinks Programming the Universal require substitution of Step 2 rapidly for two seconds, then Remote System with the procedure under “Radio changes to a solid light and Signals for Canada and Some the garage door does not For questions or programming help, Gate Operators” later in this move, continue with see www.homelink.com/gm or call section. programming Steps 4–6. 1-800-355-3515. 3. Press and hold the newly Programming involves time-sensitive programmed Universal Remote actions, and may time out causing the system button for five seconds procedure to be repeated. while watching the indicator To program up to three devices: light and garage door activation. 1. Hold the end of the hand-held . If the indicator light stays on transmitter about 3 to 8 cm (1 to continuously or the garage 3 in) away from the Universal door moves when the button Remote system buttons with the is pressed, then programming Learn or Smart Button indicator light in view. The is complete. There is no need – hand-held transmitter was to complete Steps 4–6. 4. After completing Steps 1 3, locate the Learn or Smart button supplied by the manufacturer of . If the indicator light does not the garage door opener receiver. inside the garage on the garage come on or the garage door door opener receiver. The name 2. At the same time, press and hold does not move, a second and color of the button may vary both the hand-held transmitter button press may be by manufacturer. button and one of the three required. For a second time, Universal Remote system press and hold the newly 5. Press and release the Learn or buttons to be used to operate the programmed button for Smart button. Step 6 must be garage door. Do not release either completed within 30 seconds of pressing this button. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

164 INSTRUMENTS AND CONTROLS 6. Inside the vehicle, press and hold Canadian radio-frequency laws and Universal Remote System the newly programmed Universal some U.S. gate operators require Remote system button for transmitter signals to time out or quit Operation two seconds and then release it. after several seconds of transmission. Using the Universal Remote If the garage door does not move This may not be long enough for the System or the lamp on the garage door Universal Remote system to pick up opener receiver does not flash, the signal during programming. Press and hold the appropriate press and hold the same button Universal Remote system button for at If the programming did not work, least one-half second. The indicator a second time for two seconds, “ replace Step 2 under Programming light will come on while the signal is then release it. Again, if the door ” the Universal Remote System with being transmitted. does not move or the garage the following: door lamp does not flash, press Erasing Universal Remote and hold the same button a third Press and hold the Universal Remote time for two seconds, then system button while pressing and System Buttons release it. releasing the hand-held transmitter Erase all programmed buttons when button every two seconds until the vehicle ownership is terminated. The Universal Remote system should signal has been successfully accepted now activate the garage door. by the Universal Remote system. The To erase: Repeat the process for programming Universal Remote system indicator 1. Press and hold the two outside the two remaining buttons. light will flash slowly at first and then buttons until the indicator light rapidly. Proceed with Step 3 under begins to flash. This should take Radio Signals for Canada and “Programming the Universal Remote about 10 seconds. Some Gate Operators ” System to complete. 2. Release both buttons. For questions or programming help, see www.homelink.com/gm or call 1-800-355-3515. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

INSTRUMENTS AND CONTROLS 165 Reprogramming a Single Universal Remote System Button To reprogram any of the system buttons: 1. Press and hold any one of the buttons. Do not release the button. 2. The indicator light will begin to flash after 20 seconds. Without releasing the button, proceed with Step 1 under “Programming the Universal Remote System.” Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

166 LIGHTING Lighting Lighting Features Exterior Lighting Entry Lighting ...... 172 Exit Lighting ...... 172 Exterior Lamp Controls Exterior Lighting Battery Load Management ...... 173 Battery Power Protection ...... 173 Exterior Lamp Controls ...... 166 Exterior Lighting Battery Exterior Lamps Off Reminder . . . 168 Saver ...... 173 Headlamp High/Low-Beam Changer ...... 168 Flash-to-Pass ...... 168 Daytime Running Lamps (DRL) ...... 168 Automatic Headlamp System . . . 169 Hazard Warning Flashers ...... 169 Turn and Lane-Change The exterior lamp control is on the Signals ...... 170 turn signal lever. Cornering Lamps ...... 170 Turn the control to the following Interior Lighting positions: Instrument Panel Illumination Control ...... 170 O : Turns the exterior lamps off and Courtesy Lamps ...... 171 deactivates the AUTO mode. Turn to Dome Lamps ...... 171 O again to reactivate the AUTO mode. Reading Lamps ...... 171 In Canada, the headlamps will automatically reactivate when the vehicle is shifted out of P (Park). AUTO : Automatically turns the exterior lamps on and off, depending on outside lighting. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

LIGHTING 167

; : Turns on the parking lamps Turning On and Enabling IntelliBeam The high-beam headlamps remain on, including all lamps, except the under the automatic control, until one headlamps. of the following situations occurs: 2 : Turns on the headlamps together . The system detects an with the parking lamps and approaching vehicle's headlamps. instrument panel lights. . The system detects a preceding IntelliBeam System vehicle's taillamps. . The outside light is bright enough If equipped, this system turns the that high-beam headlamps are not vehicle's high-beam headlamps on and required. off according to surrounding traffic To enable the IntelliBeam system, conditions. . The vehicle's speed drops below press the button on the end of the 20 km/h (12 mph). The system turns the high-beam turn signal lever when the exterior headlamps on when it is dark enough lamp control is in the AUTO or 2 . The IntelliBeam system is disabled and there is no other traffic present. position. The blue high-beam on light by the button on the turn signal lever. If this happens, press the This light b comes on in the appears on the instrument cluster when the high beams are on. button on the end of the turn instrument cluster when the signal lever when the exterior IntelliBeam system is enabled. Driving with IntelliBeam lamp control is in the AUTO or 2 The system only activates the high position. The instrument cluster beams when driving over 40 km/h light will come on to indicate the (25 mph). IntelliBeam is reactivated. There is a sensor near the top center of the windshield that automatically controls the system. Keep this area of the windshield clear of debris to allow for best system performance. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

168 LIGHTING The high beams may not turn off The automatic high-beam headlamps Flash-to-Pass automatically if the system cannot may need to be disabled if any of the detect another vehicle's lamps because above conditions exist. To flash the high beams, pull the turn of any of the following: signal lever toward you, and release. Exterior Lamps Off . The other vehicle's lamps are Daytime Running missing, damaged, obstructed from Reminder view, or otherwise undetected. Lamps (DRL) A warning chime sounds if the driver . The other vehicle's lamps are door is opened while the ignition is off DRL can make it easier for others to covered with dirt, snow, and/or and the exterior lamps are on. see the front of your vehicle during road spray. the day. Fully functional DRL are required on all vehicles first sold in . Headlamp High/Low-Beam The other vehicle's lamps cannot Canada. be detected due to dense exhaust, Changer smoke, fog, snow, road spray, mist, 3 If equipped, the DRL will come on or other airborne obstructions. : Push the turn signal lever away when all of the following conditions from you and release, to turn the high are met: . The vehicle's windshield is dirty, beams on. To return to low beams, cracked, or obstructed by push the lever again or pull it toward . The ignition is on. something that blocks the view of you and release. . The exterior lamp control is the light sensor. in AUTO. . The vehicle is loaded such that the . The light sensor determines it is front end points upward, causing daytime. the light sensor to aim high and not detect headlamps and . The parking brake is released or taillamps. the vehicle is not in P (Park). . The vehicle is being driven on When the DRL are on, the taillamps, winding or hilly roads. This indicator light turns on in the sidemarker lamps, and other lamps instrument cluster when the will not be on. high-beam headlamps are on. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

LIGHTING 169 The DRL turn off when the headlamps The system may also turn on the Lights On with Wipers headlamps when driving through a are turned to O or the ignition is off. If the windshield wipers are activated parking garage or tunnel. For vehicles first sold in Canada, the in daylight with the engine on, and DRL can only be turned off when the If the vehicle is started in a dark the exterior lamp control is in AUTO, vehicle is parked. garage, the automatic headlamp the headlamps, parking lamps, and system comes on immediately. If it is other exterior lamps come on. The Automatic Headlamp light outside when the vehicle leaves transition time for the lamps coming the garage, there is a slight delay on varies based on wiper speed. When System before the automatic headlamp the wipers are not operating, these When the exterior lamp control is set system changes to the DRL. During lamps turn off. Move the exterior to AUTO and it is dark enough that delay, the instrument cluster may lamp control to O or ; to disable outside, the headlamps come on not be as bright as usual. Make sure this feature. automatically. the instrument panel brightness control is in the full bright position. See Instrument Panel Illumination Hazard Warning Flashers Control 0 170. When it is bright enough outside, the headlamps will turn off or may change to Daytime Running Lamps (DRL). The automatic headlamp system turns off when the exterior lamp control is turned to O or the ignition is off. For vehicles sold in Canada, this control only works when the transmission is in P (Park). | : Touch this button to make the There is a light sensor on top of the front and rear turn signal lamps flash instrument panel. Do not cover the on and off. Touch again to turn the sensor. flashers off. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

170 LIGHTING The hazard warning flashers turn on The turn and lane-change signal can Interior Lighting automatically if the airbags deploy. be turned off manually by moving the lever back to its original position. Turn and Lane-Change Instrument Panel If after signaling a turn or lane Illumination Control Signals change, the arrow flashes rapidly or does not come on, a signal function may be inoperative. This vehicle is equipped with LED lighting. For replacement of any LED lighting contact your dealer. Cornering Lamps If equipped with cornering lamps, they automatically come on when all of the following occur: Move the lever all the way up or down to signal a turn. . The low-beam headlamps are on. An arrow on the instrument cluster . The turn signals are activated or The brightness of the instrument flashes in the direction of the turn or the steering wheel is at a panel lighting and steering wheel lane change. calibrated angle. controls can be adjusted. Raise or lower the lever until the . The vehicle speed is below the D : Move the thumbwheel up or arrow starts to flash to signal a lane calibrated speed. down to brighten or dim the lights. change. Hold it there until the lane change is completed. If the lever is briefly pressed and released, the turn signal flashes three times. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

LIGHTING 171 The brightness of the displays To manually turn the reading lamps automatically adjusts based on on or off: outdoor lighting. The instrument panel illumination control will set the lowest level to which the displays will be automatically adjusted. Courtesy Lamps The courtesy lamps come on when any door is opened unless the dome lamp override is activated. To deactivate the dome lamp override, press ( OFF and the indicator light To change the dome lamp settings, on the button will turn off. press: ( OFF : Turns the lamp off, even Dome Lamps when a door is open. Press m or n next to each overhead console reading lamp. The dome lamp is in the overhead + ON/OFF : Turns the lamp on console. or off. Reading Lamps There are front and rear reading lamps on the overhead console and over the rear passenger doors. These lamps come on automatically when any door is opened.

Press the lamp lenses over the rear passenger doors. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

172 LIGHTING Lighting Features Entry Lighting with Approach Approach detection will not work with Detection a single RKE transmitter if: Entry Lighting If equipped with approach detection, . The RKE transmitter is left within the entry lighting feature will a 5 m (16 ft) range of the vehicle Some exterior lamps and most of the automatically turn on when the RKE for several minutes interior lights turn on briefly at night, transmitter is detected within . The RKE transmitter is left inside or in areas of limited lighting when K approximately 2 m (6 ft) of the vehicle. the vehicle and all the doors are is pressed on the Remote Keyless If the vehicle has remained parked for closed Entry (RKE) transmitter. See Remote an extended period of time with no To help maximize transmitter battery Keyless Entry (RKE) System Operation RKE transmitter use or Keyless Access 0 29. When the driver door is opened, life, do not store the transmitter operation, approach detection will be within 5 m (16 ft) of the vehicle. all control lights, Driver Information disabled. To reactivate, press any Center (DIC) lights, and door pocket button on the RKE transmitter or lights turn on. After about 30 seconds open and close all vehicle doors to Exit Lighting the exterior lamps turn off, then the re-enable the entry lighting feature on Some exterior lamps and interior remaining interior lights dim to off. approach. lights come on at night, or in areas Entry lighting can be disabled with limited lighting, when the driver manually by changing the ignition out Approach detection will not work if: door is opened after the ignition is of the OFF position, or by pressing Q . The vehicle battery is low. turned off. The dome lamp comes on on the RKE transmitter. . The ignition is on or in ACC/ after the ignition is turned off. The This feature can be changed. See ACCESSORY. exterior lamps and dome lamp remain “Vehicle Locator Lights” under Vehicle on for a set amount of time, then 0 . Entry lighting is set to Off. See automatically turn off. Personalization 157. “Vehicle Locator Lights” under Vehicle Personalization 0 157. The exterior lamps turn off immediately by turning the exterior lamp control off. This feature can be changed. See Vehicle Personalization 0 157. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

LIGHTING 173 Battery Load Management window defogger, climate control fan If some interior lamps are left on and at high speed, heated seats, engine the ignition is turned off, the battery The vehicle has Electric Power cooling fans, trailer loads, and loads rundown protection system Management (EPM) that estimates the plugged into accessory power outlets. automatically turns the lamp off after battery's temperature and state of some time. charge. It then adjusts the voltage for EPM works to prevent excessive best performance and extended life of discharge of the battery. It does this Exterior Lighting Battery the battery. by balancing the generator's output and the vehicle's electrical needs. Saver When the battery's state of charge is It can increase engine idle speed to The exterior lamps turn off about low, the voltage is raised slightly to generate more power whenever 10 minutes after the ignition is turned quickly bring the charge back up. needed. It can temporarily reduce the off, if the parking lamps or headlamps When the state of charge is high, the power demands of some accessories. voltage is lowered slightly to prevent have been manually left on. This overcharging. If the vehicle has a Normally, these actions occur in steps protects against draining the battery. voltmeter gauge or a voltage display or levels, without being noticeable. In To restart the 10-minute timer, turn on the Driver Information Center rare cases at the highest levels of the exterior lamp control to the off (DIC), you may see the voltage move corrective action, this action may be position and then back to the parking up or down. This is normal. If there is noticeable to the driver. If so, a DIC lamp or headlamp position. message might be displayed and it is a problem, an alert will be displayed. To keep the lamps on for more than recommended that the driver reduce 10 minutes, the ignition must be on or The battery can be discharged at idle the electrical loads as much as in ACC/ACCESSORY. if the electrical loads are very high. possible. This is true for all vehicles. This is because the generator (alternator) Battery Power Protection may not be spinning fast enough at idle to produce all of the power The battery saver feature is designed needed for very high electrical loads. to protect the vehicle's battery. A high electrical load occurs when several of the following are on, such as: headlamps, high beams, rear Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

174 INFOTAINMENT SYSTEM Infotainment System Introduction Infotainment Introduction Infotainment ...... 174 See the infotainment manual for information on the radio, audio players, phone, navigation system, and voice or speech recognition. It also includes information on settings. Active Noise Cancellation (ANC) If equipped, ANC reduces engine noise in the vehicle’s interior. ANC requires the factory-installed audio system, radio, speakers, amplifier (if equipped), induction system, and exhaust system to work properly. Deactivation is required by your dealer if related aftermarket equipment is installed. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

CLIMATE CONTROLS 175 Climate Controls Climate Control Systems Automatic Climate Control System (Dual Zone) Climate Control Systems Automatic Climate Control The climate control buttons on the center stack and on the climate control System (Dual Zone) ...... 175 display are used to adjust the heating, cooling, and ventilation. Automatic Climate Control System (Quad Zone) ...... 180 Air Vents Air Vents ...... 186 Maintenance Passenger Compartment Air Filter ...... 187 Service ...... 187

Center Stack Climate Controls

1. Driver and Passenger 5. Defrost Temperature Controls 6. OFF (Fan) 2. Fan Control 7. Recirculation 3. Driver and Passenger Heated and 8. AUTO (Automatic Operation) Ventilated Seats (If Equipped) 4. Rear Window Defogger Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

176 CLIMATE CONTROLS Climate Control Display 9. On/Off The climate control status display The fan, air delivery mode, air appears briefly when the climate conditioning, driver and passenger control buttons on the center stack temperatures, and Sync settings can are adjusted. be controlled by touching CLIMATE Automatic Operation on the infotainment Home Page or the climate button in the climate control The system automatically controls the display application tray. A selection fan speed, air delivery, air can then be made on the front climate conditioning, and recirculation in control page displayed. See the order to heat or cool the vehicle to the infotainment manual. desired temperature. When the indicator light is on or Climate Control Status Display AUTO is displayed on the climate control display, the system is in full 1. Driver and Passenger automatic operation. If the air delivery Temperature Display mode or fan setting is manually adjusted, the Auto indicator turns off 2. Fan Control and the display will show the selected 3. Driver and Passenger settings. Auto operation can be turned Temperature Controls off individually for climate settings. 4. Sync (Synchronized For automatic operation: Temperature) 1. Press AUTO. 5. Recirculation 2. Set the temperature. Allow the 6. Driver and Passenger Air system time to stabilize. Then Delivery Mode Controls adjust the temperature as 7. Auto (Automatic Operation) needed. 8. A/C (Air Conditioning) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

CLIMATE CONTROLS 177 To improve fuel efficiency and to cool Sync : Touch Sync on the climate buttons cancels automatic air delivery the vehicle faster, recirculation may be control display to link all climate zone control and the direction of the automatically selected in warm settings to the driver settings. When airflow can be controlled manually. weather. The recirculation light will all climate zone settings are linked, Press AUTO to return to automatic not come on in AUTO mode. Press the Sync indicator will be lit. Adjust operation. @ to select recirculation; press it the driver side temperature control to To change the current mode, select again to select outside air. change the linked temperature. When one of the following: English units can be changed to the front or rear passenger settings are adjusted, the Sync indicator will Y : Air is directed to the instrument metric units through the instrument panel outlets. cluster. See “Cluster Options Menu” turn off. under Instrument Cluster (Uplevel) Manual Operation \ : Air is divided between the 0 130 or Instrument Cluster (Base Q R instrument panel outlets and the floor Level) 0 127. 9 : Press or touch the fan outlets. buttons on the center stack or climate OFF : Press to turn the fan on or off. control display to increase or decrease [ : Air is directed to the floor The temperature control and air the fan speed. Press and hold the outlets. delivery mode can still be adjusted. buttons to adjust speed more quickly. N : Clears the windows of fog or Q / R : The temperature can be The fan speed setting displays. moisture. Air is directed to the adjusted separately for the driver and Pressing either button cancels windshield and floor outlets. the passenger. Press up or down to automatic fan control and the fan can be controlled manually. Press AUTO to 0 : Clears the windshield of fog or increase or decrease the temperature. frost more quickly. Air is directed to Press and hold up or down to rapidly return to automatic operation. the windshield. Press 0 to turn on or increase or decrease the temperature. Driver and Passenger Air Delivery off. Changing the air delivery mode Mode Controls : When the climate The driver and passenger also turns the defrost off. temperatures can also be adjusted by information is displayed, touch the touching the controls on the climate desired air delivery mode on the A/C : Touch A/C on the climate control display. climate control display to change the control display to turn the automatic direction of the airflow. The selected air conditioning on or off. If the fan is air delivery mode button is lit. Touching any of the air delivery Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

178 CLIMATE CONTROLS turned off or the outside temperature Pressing this button cancels automatic display. To turn the ionizer on or off, falls below freezing, the air recirculation. Press AUTO to return to see “Climate and Air Quality” under conditioner will not run. automatic operation; recirculation Vehicle Personalization 0 157. runs automatically as needed. Press AUTO to return to automatic Rear Window Defogger operation and the air conditioner runs Manual recirculation mode is not as needed. available when in Defrost or Defog K : Press to turn the rear window modes. defogger on or off. The rear window Automatic Air Recirculation : When defogger only works when the engine the AUTO indicator light is on, the air Auto Defog : The climate control is running. is automatically recirculated as system has a sensor to automatically needed to help quickly cool the inside detect high humidity inside the The rear window defogger can be set of the vehicle. vehicle. When high humidity is to automatic operation. See “Climate detected, the climate control system and Air Quality” under Vehicle The climate control system may have Personalization 0 157. When Auto Rear a sensor to detect air pollution. When may adjust to outside air supply and turn on the air conditioner. If the Defog is selected, the rear window using automatic air recirculation, the defogger turns on automatically when air quality control system may climate control system does not detect possible window fogging, it the interior temperature is cold and operate. To adjust the sensitivity of the outside temperature is about 4 °C the air quality sensor, see “Climate returns to normal operation. To turn “ (40 °F) and below. and Air Quality” under Vehicle Auto Defog off or on, see Climate and ” Personalization 0 157. Air Quality under Vehicle The upper grid lines on the rear Personalization 0 157. window are antenna lines and are not @ : Press to alternate between Ionizer : If equipped with an ionizer, intended to heat when the defogger is recirculating air inside the vehicle or activated. pulling in outside air. The indicator this feature helps to clean the air light on the button is lit when inside the vehicle and remove The heated outside mirrors turn on recirculation mode is active. This contaminants such as pollen, odors, when the rear window defogger helps to quickly cool the air inside the and dust. If the climate control button is on and help to clear fog or vehicle or reduce the outside air and system is on and the ionizer is frost from the surface of the mirrors. odors that might enter. enabled, the ionizer status indicator will be lit on the climate control Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

CLIMATE CONTROLS 179 Remote Start Climate Control Sensor Caution Operation : If equipped with the remote start feature, the climate Do not try to clear frost or other control system may run when the material from the inside of the vehicle is started remotely. The system front windshield and rear window uses the driver’s previous settings to with a razor blade or anything else heat or cool the inside of the vehicle. that is sharp. This may damage the The rear defog may come on during rear window defogger grid and remote start based on cold ambient affect the radio's ability to pick up conditions. The rear defog indicator stations clearly. The repairs would light does not come on during a not be covered by the vehicle remote start. warranty. If equipped, the heated seats will turn on if it is cold outside or the Driver and Passenger Heated and ventilated seats will turn on if it is hot The solar sensor, on top of the Ventilated Seats (If Equipped) : outside. The heated and ventilated instrument panel near the windshield, Press I or + to heat the driver or seat indicator lights may not come on monitors the solar heat. passenger seatback only. during a remote start. If equipped, the heated steering wheel will come on in The climate control system uses the Press J or z to heat the driver or a remote start if it is cold outside. The sensor information to adjust the passenger seat cushion and seatback. heated steering wheel indicator light temperature, fan speed, recirculation, may not come on. See Remote Vehicle and air delivery mode for best Press C or { to ventilate the driver Start 0 36 and Heated and Ventilated comfort. or passenger seat. See Heated and Front Seats 0 69. If the sensor is covered, the automatic 0 Ventilated Front Seats 69. climate control system may not work properly. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

180 CLIMATE CONTROLS Automatic Climate Control System (Quad Zone) Climate Control Display The climate control buttons on the center stack and on the climate control display are used to adjust the heating, cooling, and ventilation.

1. Driver and Passenger Temperature Display Center Stack Climate Controls 2. Fan Control 3. Driver and Passenger 1. Driver and Passenger 5. Defrost Temperature Controls Temperature Controls 6. OFF (Fan) 4. Sync (Synchronized 2. Fan Control 7. Recirculation Temperature) 3. Driver and Passenger Heated and 8. AUTO (Automatic Operation) 5. Recirculation Ventilated Seats (If Equipped) 6. Driver and Passenger Air 4. Rear Window Defogger Delivery Mode Controls 7. Auto (Automatic Operation) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

CLIMATE CONTROLS 181 8. A/C (Air Conditioning) The climate control status display To improve fuel efficiency and to cool 9. On/Off appears briefly when the climate the vehicle faster, recirculation may be control buttons on the center stack automatically selected in warm The fan, air delivery mode, air are adjusted. weather. The recirculation light will conditioning, driver and passenger not come on in AUTO mode. Press Automatic Operation temperatures, and Sync settings can @ to select recirculation; press it be controlled by touching CLIMATE The system automatically controls the again to select outside air. on the infotainment Home Page or the fan speed, air delivery, air English units can be changed to climate button in the climate control conditioning, and recirculation in display application tray. A selection metric units through the instrument order to heat or cool the vehicle to the “ ” can then be made on the front climate cluster. See Cluster Options Menu or desired temperature. “Cluster Menu” under Instrument control page displayed. See the 0 infotainment manual. When the indicator light is on or Cluster (Uplevel) 130 or Instrument AUTO is displayed on the climate Cluster (Base Level) 0 127. Climate Control Status Display control display, the system is in full OFF : Press to turn the fan on or off. automatic operation. If the air delivery The temperature control and air mode or fan setting is manually delivery mode can still be adjusted. adjusted, the Auto indicator turns off and the display will show the selected Q / R : The temperature can be settings. Auto operation can be turned adjusted separately for the driver and off individually for climate settings. the passenger. Press to increase or decrease the temperature. Press and For automatic operation: hold to rapidly increase or decrease 1. Press AUTO. the temperature. 2. Set the temperature. Allow the The driver and passenger system time to stabilize. Then temperatures can also be adjusted by adjust the temperature as touching the controls on the climate needed. control display. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

182 CLIMATE CONTROLS Sync : Touch Sync on the climate buttons cancels automatic air delivery turned off or the outside temperature control display to link all climate zone control and the direction of the falls below freezing, the air settings to the driver settings. When airflow can be controlled manually. conditioner will not run. all climate zone settings are linked, Press AUTO to return to automatic Press AUTO to return to automatic the Sync indicator will be lit. Adjust operation. operation and the air conditioner runs the driver side temperature control to To change the current mode, select as needed. change the linked temperature. When one of the following: the front or rear passenger settings Automatic Air Recirculation : When are adjusted, the Sync indicator will Y : Air is directed to the instrument the AUTO indicator light is on, the air turn off. panel outlets. is automatically recirculated as \ : Air is divided between the needed to help quickly cool the inside Manual Operation of the vehicle. Q R instrument panel outlets and the floor 9 : Press or touch the fan outlets. The climate control system may have buttons on the center stack or climate [ : Air is directed to the floor a sensor to detect air pollution. When control display to increase or decrease using automatic air recirculation, the the fan speed. Press and hold the outlets. Some air Is directed to the windshield. air quality control system may buttons to adjust speed more quickly. operate. To adjust the sensitivity of The fan speed setting displays. N : Clears the windows of fog or the air quality sensor, see “Climate Pressing either button cancels moisture. Air is directed to the and Air Quality” under Vehicle automatic fan control and the fan can windshield and floor outlets. Personalization 0 157. be controlled manually. Press AUTO to return to automatic operation. 0 : Clears the windshield of fog or @ : Press to alternate between frost more quickly. Air is directed to recirculating air inside the vehicle or Driver and Passenger Air Delivery the windshield. Press 0 to turn on or pulling in outside air. The indicator Mode Controls : When the climate off. Changing the air delivery mode light on the button is lit when information is displayed, touch the also turns the defrost off. recirculation mode is active. This desired air delivery mode on the helps to quickly cool the air inside the climate control display to change the A/C : Touch A/C on the climate vehicle or reduce the outside air and direction of the airflow. The selected control display to turn the automatic odors that might enter. air delivery mode button is lit. air conditioning on or off. If the fan is Touching any of the air delivery Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

CLIMATE CONTROLS 183 Pressing this button cancels automatic display. To turn the ionizer on or off, recirculation. Press AUTO to return to see “Climate and Air Quality” under Caution automatic operation; recirculation Vehicle Personalization 0 157. runs automatically as needed. Do not try to clear frost or other Rear Window Defogger material from the inside of the Manual recirculation mode is not front windshield and rear window available when in Defrost or Defog K : Press to turn the rear window defogger on or off. with a razor blade or anything else modes. that is sharp. This may damage the Auto Defog : The climate control The rear window defogger can be set rear window defogger grid and system has a sensor to automatically to automatic operation. See “Climate affect the radio's ability to pick up ” detect high humidity inside the and Air Quality under Vehicle stations clearly. The repairs would Personalization 0 157. When Auto Rear vehicle. When high humidity is not be covered by the vehicle Defog is selected, the rear window detected, the climate control system warranty. may adjust to outside air supply and defogger turns on automatically when turn on the air conditioner. If the the interior temperature is cold and climate control system does not the outside temperature is about 4 °C Driver and Passenger Heated and detect possible window fogging, it (40 °F) and below. Ventilated Seats (If Equipped) : returns to normal operation. To turn The upper grid lines on the rear Press I or + to heat the driver or Auto Defog off or on, see “Climate and window are antenna lines and are not passenger seatback only. Air Quality” under Vehicle intended to heat when the defogger is J z Personalization 0 157. activated. Press or to heat the driver or passenger seat cushion and seatback. Ionizer : If equipped with an ionizer, The heated outside mirrors turn on this feature helps to clean the air when the rear window defogger Press C or { to ventilate the driver inside the vehicle and remove button is on and help to clear fog or or passenger seat. See Heated and contaminants such as pollen, odors, frost from the surface of the mirrors. Ventilated Front Seats 0 69. and dust. If the climate control system is on and the ionizer is enabled, the ionizer status indicator will be lit on the climate control Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

184 CLIMATE CONTROLS Remote Start Climate Control Sensor The climate control system uses the Operation : If equipped with the sensor information to adjust the remote start feature, the climate temperature, fan speed, recirculation, control system may run when the and air delivery mode for best vehicle is started remotely. The system comfort. ’ uses the driver s previous settings to If the sensor is covered, the automatic heat or cool the inside of the vehicle. climate control system may not work The rear window defogger may come properly. on during remote start based on cold ambient conditions. The rear window defogger indicator light does not come on during a remote start. If equipped, the heated seats will turn on if it is cold outside or the ventilated seats will turn on if it is hot The solar sensor, on top of the outside. The heated and ventilated instrument panel near the windshield, seat indicator lights may not come on monitors the solar heat. during a remote start. If equipped, the heated steering wheel will come on in a remote start if it is cold outside. The heated steering wheel indicator light may not come on. See Remote Vehicle Start 0 36 and Heated and Ventilated Front Seats 0 69. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

CLIMATE CONTROLS 185 Rear Climate Control System The rear climate control system is on the rear of the center console. The settings can be adjusted with the rear climate control buttons and the rear climate control display.

Rear Climate Control Display 1. Rear Driver Side and Passenger Side Temperature Display 2. Rear Fan Control Rear Climate Control Buttons 3. Rear Driver Side and Passenger Side Temperature Controls 1. Rear Driver Side and Passenger 3. Air Delivery Mode Control Side Temperature Controls 4. Sync (Synchronized 4. AUTO (Automatic Operation) Temperatures) 2. O (On/Off) 5. Fan Control 5. Rear Control Lockout 6. Air Delivery Mode Control 7. Rear Auto (Automatic Operation) 8. On/Off Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

186 CLIMATE CONTROLS Rear : Touch Rear on the Home Page Manual Operation Air Vents of the infotainment display to open 9 : Press or press and hold the rear the rear climate control display. The fan button up or down to increase or rear climate control settings can now decrease the rear climate airflow. The be adjusted from the front rear climate airflow can also be passenger area. adjusted by touching the fan controls O : Press O or touch On/Off on the on the front climate control display. rear climate control display to turn Temperature Controls : Press or the rear climate control on or off. press and hold the rear temperature Sync : Touch Sync on the rear climate control buttons up or down to adjust control display to match the rear the rear passenger temperatures. The climate control temperature to the rear passenger temperatures can also front climate control driver be adjusted by touching Q for warmer temperature. The Sync button will air or R for cooler air on the front be lit. climate control display. Adjustable air vents are in the center Rear Control Lockout : Touch to lock and on the sides of the instrument or unlock control of the rear climate Air Delivery Mode Control : Press or panel, on the rear of the center control system from the rear seat press and hold the button up or down console storage, and in the headliner passengers. When locked, the rear to select the desired air delivery mode. over the rear seats, if equipped. Touch the desired air delivery mode climate control can only be adjusted Move the slider knobs to change the from the front seat. on the rear climate control display to change the direction of the airflow in direction of or to close off the airflow. Automatic Operation the rear seating area. Operation Tips AUTO : Press to turn on or off. The . Clear away any ice, snow, or leaves air delivery is controlled from air inlets at the base of the automatically. The Auto indicator windshield that could block the appears on the display. If the air flow of air into the vehicle. delivery mode is manually adjusted, this cancels full automatic operation. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

CLIMATE CONTROLS 187 . Clear snow off the hood to Maintenance Service improve visibility and help decrease moisture drawn into the All vehicles have a label underhood vehicle. Passenger Compartment that identifies the refrigerant used in Air Filter the vehicle. The refrigerant system . Keep the path under the front should only be serviced by trained and seats clear of objects to help The filter reduces dust, pollen, and certified technicians. The air circulate the air inside of the other airborne irritants from outside conditioning evaporator should never vehicle more effectively. air that is pulled into the vehicle. The be repaired or replaced by one from a . Use of non-GM approved hood filter should be replaced as part of salvage vehicle. It should only be routine scheduled maintenance. See replaced by a new evaporator to deflectors can adversely affect the 0 performance of the system. Check Maintenance Schedule 379. ensure proper and safe operation. with your dealer before adding See your dealer regarding replacement During service, all refrigerants should equipment to the outside of the of the filter. be reclaimed with proper equipment. vehicle. Venting refrigerants directly to the . Do not attach any devices to the atmosphere is harmful to the air vent slats. This restricts airflow environment and may also create and may cause damage to the air unsafe conditions based on inhalation, vents. combustion, frostbite, or other health-based concerns. The air conditioning system requires periodic maintenance. See Maintenance Schedule 0 379. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

188 DRIVING AND OPERATING Driving and Shifting Into Park ...... 205 Cruise Control Shifting out of Park ...... 205 Cruise Control ...... 225 Operating Parking over Things Adaptive Cruise Control ...... 227 That Burn ...... 207 Super Cruise ...... 235 Active Fuel Management ...... 207 Driver Assistance Systems Driving Information Extended Parking ...... 208 Driver Assistance Systems ...... 250 Distracted Driving ...... 189 Engine Exhaust Assistance Systems for Parking Defensive Driving ...... 190 Engine Exhaust ...... 208 or Backing ...... 251 Drunk Driving ...... 190 Running the Vehicle While Rear Pedestrian Alert ...... 258 Control of a Vehicle ...... 190 Parked ...... 209 Assistance Systems for Braking ...... 190 Automatic Transmission Driving ...... 259 Steering ...... 190 Forward Collision Alert (FCA) Off-Road Recovery ...... 191 Automatic Transmission ...... 209 System ...... 260 Loss of Control ...... 192 Manual Mode ...... 214 Forward Automatic Track Events and Competitive Braking (FAB) ...... 262 Driving ...... 192 Drive Systems All-Wheel Drive ...... 215 Front Pedestrian Braking (FPB) Driving on Wet Roads ...... 192 System ...... 263 Hill and Mountain Roads ...... 193 Brakes Night Vision System ...... 266 Winter Driving ...... 194 Antilock Brake System (ABS) . . . . 215 Side Blind Zone Alert (SBZA) . . . . 268 If the Vehicle Is Stuck ...... 195 Electric Parking Brake ...... 216 Lane Change Alert (LCA) ...... 268 Vehicle Load Limits ...... 195 Brake Assist ...... 218 Lane Departure Starting and Operating Hill Start Assist (HSA) ...... 218 Warning (LDW) ...... 270 New Vehicle Break-In ...... 199 Automatic Vehicle Lane Keep Assist (LKA) ...... 270 Ignition Positions ...... 200 Hold (AVH) ...... 218 Surround Vision Recorder ...... 272 Starting the Engine ...... 201 Ride Control Systems Fuel Stop/Start System ...... 202 Traction Control/Electronic Top Tier Fuel ...... 274 Engine Heater ...... 203 Stability Control ...... 219 Recommended Fuel (2.0L L4 Retained Accessory Driver Mode Control ...... 221 Turbo Engine) ...... 274 Power (RAP) ...... 205 Locking Rear Axle ...... 224 Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 189 Recommended Fuel (3.0L Twin Driving Information . Become familiar with vehicle Turbo V6 and 4.2L Twin Turbo features before driving, such as V8 Engines) ...... 275 programming favorite radio Recommended Fuel (3.6L Distracted Driving stations and adjusting climate V6 Engine) ...... 275 Distraction comes in many forms and control and seat settings. Program Prohibited Fuels ...... 275 can take your focus from the task of all trip information into any Fuels in Foreign Countries ...... 275 driving. Exercise good judgment and navigation device prior to driving. Fuel Additives ...... 276 do not let other activities divert your . Wait until the vehicle is parked to Filling the Tank ...... 276 attention away from the road. Many retrieve items that have fallen to Filling a Portable Fuel local governments have enacted laws the floor. Container ...... 277 regarding driver distraction. Become familiar with the local laws in . Stop or park the vehicle to tend to Trailer Towing children. General Towing Information . . . . 278 your area. Driving Characteristics and To avoid distracted driving, keep your . Keep pets in an appropriate carrier Towing Tips ...... 278 eyes on the road, keep your hands on or restraint. Trailer Towing ...... 282 the steering wheel, and focus your . Avoid stressful conversations Towing Equipment ...... 283 attention on driving. while driving, whether with a Conversions and Add-Ons . Do not use a phone in demanding passenger or on a cell phone. Add-On Electrical Equipment . . . 285 driving situations. Use a hands-free method to place or { Warning receive necessary phone calls. Taking your eyes off the road too . Watch the road. Do not read, take long or too often could cause a notes, or look up information on crash resulting in injury or death. phones or other electronic devices. Focus your attention on driving. . Designate a front seat passenger to handle potential distractions. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

190 DRIVING AND OPERATING Refer to the infotainment section for Average driver reaction time is about more information on using that { Warning three-quarters of a second. In that system and the navigation system, time, a vehicle moving at 100 km/h if equipped, including pairing and Drinking and then driving is very (60 mph) travels 20 m (66 ft), which using a cell phone. dangerous. Your reflexes, could be a lot of distance in an perceptions, attentiveness, and emergency. Defensive Driving judgment can be affected by even a small amount of alcohol. You can Helpful braking tips to keep in mind Defensive driving means “always have a serious — or even fatal — include: expect the unexpected.” The first step collision if you drive after drinking. . Keep enough distance between in driving defensively is to wear the you and the vehicle in front Do not drink and drive or ride with seat belt. See Seat Belts 0 75. of you. a driver who has been drinking. . Assume that other road users Ride home in a cab; or if you are . Avoid needless heavy braking. (pedestrians, bicyclists, and other with a group, designate a driver drivers) are going to be careless . Keep pace with traffic. who will not drink. and make mistakes. Anticipate If the engine ever stops or a brake what they might do and be ready. fault occurs, the brakes may lose . Allow enough following distance Control of a Vehicle power assist. More effort will be between you and the driver in required to stop the vehicle. It may Braking, steering, and accelerating are take longer to stop. front of you. important factors in helping to control . Focus on the task of driving. a vehicle while driving. Steering Drunk Driving Braking Variable Effort Steering Death and injury associated with Braking action involves perception The vehicle has a steering system that drinking and driving is a global time and reaction time. Deciding to varies the amount of effort required to tragedy. push the brake pedal is perception steer the vehicle in relation to the time. Actually doing it is speed of the vehicle. reaction time. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 191 The amount of steering effort required Normal use of the power steering Off-Road Recovery is less at slower speeds to make the assist should return when the system vehicle more maneuverable and easier cools down. to park. At faster speeds, the steering See your dealer if there is a problem. effort increases to provide a sport-like feel to the steering. This provides Curve Tips maximum control and stability. . Take curves at a reasonable speed. Electric Power Steering . Reduce speed before entering a The vehicle has electric power curve. steering. It does not have power . Maintain a reasonable steady steering fluid. Regular maintenance is speed through the curve. not required. . Wait until the vehicle is out of the If power steering assist is lost due to a curve before accelerating gently system malfunction, the vehicle can into the straightaway. The vehicle's right wheels can drop off be steered, but may require increased Steering in Emergencies the edge of a road onto the shoulder effort. See your dealer if there is a while driving. Follow these tips: problem. . There are some situations when 1. Ease off the accelerator and then, If the steering wheel is turned until it steering around a problem may be if there is nothing in the way, more effective than braking. reaches the end of its travel and is steer the vehicle so that it held against that position for an . Holding both sides of the steering straddles the edge of the extended period of time, power wheel allows you to turn pavement. steering assist may be reduced. 180 degrees without removing 2. Turn the steering wheel about a hand. If the steering assist is used for an one-eighth of a turn, until the extended period of time while the . Antilock Brake System (ABS) right front tire contacts the vehicle is not moving, power assist allows steering while braking. pavement edge. may be reduced. 3. Turn the steering wheel to go straight down the roadway. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

192 DRIVING AND OPERATING Loss of Control . Slow down and adjust your driving Track Events and according to weather conditions. Skidding Stopping distance can be longer Competitive Driving and vehicle control can be affected There are three types of skids that Caution correspond to the vehicle's three when traction is reduced by water, control systems: snow, ice, gravel, or other material on the road. Learn to recognize This vehicle is neither designed nor . Braking Skid — wheels are not warning clues — such as enough intended for track events or other rolling. water, ice, or packed snow on the competitive driving. This type of . Steering or Cornering Skid — too road to make a mirrored surface driving may damage the vehicle, much speed or steering in a curve — and slow down when you have and the repairs would not be causes tires to slip and lose any doubt. covered by the vehicle warranty. cornering force. . Try to avoid sudden steering, . Acceleration Skid — too much acceleration, or braking, including Driving on Wet Roads throttle causes the driving wheels reducing vehicle speed by shifting Rain and wet roads can reduce vehicle to spin. to a lower gear. Any sudden changes could cause the tires to traction and affect your ability to stop Defensive drivers avoid most skids by slide. and accelerate. Always drive slower in taking reasonable care suited to these types of driving conditions and existing conditions, and by not Remember: Antilock brakes help avoid avoid driving through large puddles overdriving those conditions. But only the braking skid. and deep-standing or flowing water. skids are always possible. If the vehicle starts to slide, follow these suggestions: . Ease your foot off the accelerator pedal and steer the way you want the vehicle to go. The vehicle may straighten out. Be ready for a second skid if it occurs. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 193 and you are going fast enough. When . Check all fluid levels and brakes, { Warning the vehicle is hydroplaning, it has tires, cooling system, and little or no contact with the road. transmission. Wet brakes can cause crashes. They might not work as well in a quick There is no hard and fast rule about . Shift to a lower gear when going stop and could cause pulling to one hydroplaning. The best advice is to down steep or long hills. side. You could lose control of the slow down when the road is wet. vehicle. Other Rainy Weather Tips { Warning After driving through a large puddle Besides slowing down, other wet Using the brakes to slow the vehicle of water or a car/vehicle wash, weather driving tips include: on a long downhill slope can cause lightly apply the brake pedal until . Allow extra following distance. brake overheating, can reduce brake the brakes work normally. performance, and could result in a . Pass with caution. Flowing or rushing water creates loss of braking. Shift the strong forces. Driving through . Keep windshield wiping equipment transmission to a lower gear to let flowing water could cause the in good shape. the engine assist the brakes on a vehicle to be carried away. If this . Keep the windshield washer fluid steep downhill slope. happens, you and other vehicle reservoir filled. occupants could drown. Do not . Have good tires with proper tread ignore police warnings and be very depth. See Tires 0 335. { Warning cautious about trying to drive through flowing water. . Turn off cruise control. Coasting downhill in N (Neutral) or Hill and Mountain Roads with the ignition off is dangerous. Hydroplaning This can cause overheating of the Driving on steep hills or through brakes and loss of steering assist. Hydroplaning is dangerous. Water can mountains is different than driving on Always have the engine running build up under the vehicle's tires so flat or rolling terrain. Tips include: and the vehicle in gear. they actually ride on the water. This can happen if the road is wet enough . Keep the vehicle serviced and in good shape. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

194 DRIVING AND OPERATING . Drive at speeds that keep the For slippery road driving: Blizzard Conditions vehicle in its own lane. Do not . Accelerate gently. Accelerating too Stop the vehicle in a safe place and swing wide or cross the quickly causes the wheels to spin signal for help. Stay with the vehicle center line. and makes the surface under the unless there is help nearby. If possible, . Be alert on top of hills; something tires slick. use Roadside Service. See Roadside 0 could be in your lane (e.g., stalled . Turn on Traction Control. See Service 401. To get help and keep car, crash). Traction Control/Electronic Stability everyone in the vehicle safe: . Pay attention to special road signs Control 0 219. . Turn on the hazard warning (e.g., falling rocks area, winding . Antilock Brake System (ABS) flashers. roads, long grades, passing or improves vehicle stability during . Tie a red cloth to an outside no-passing zones) and take hard stops, but the brakes should mirror. appropriate action. be applied sooner than when on dry pavement. See Antilock Brake { Warning Winter Driving System (ABS) 0 215. Driving on Snow or Ice See Driver Mode Control 0 221. Snow can trap engine exhaust under the vehicle. This may cause . Snow or ice between the tires and the Allow greater following distance exhaust gases to get inside. Engine road creates less traction or grip, so and watch for slippery spots. Icy exhaust contains carbon monoxide drive carefully. Wet ice can occur at patches can occur on otherwise (CO), which cannot be seen or about 0 °C (32 °F) when freezing rain clear roads in shaded areas. The begins to fall. Avoid driving on wet ice surface of a curve or an overpass smelled. It can cause or in freezing rain until roads can be can remain icy when the unconsciousness and even death. treated. surrounding roads are clear. Avoid If the vehicle is stuck in snow: sudden steering maneuvers and . braking while on ice. Clear snow from the base of the vehicle, especially any . Turn off cruise control. blocking the exhaust pipe. (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 195 This keeps the battery charged to Rocking the Vehicle to Get it Out Warning (Continued) restart the vehicle and to signal for Turn the steering wheel left and right help with the headlamps. Do this as . to clear the area around the front Open a window about 5 cm little as possible, to save fuel. (2 in) on the vehicle side that wheels. Turn off any traction system. is away from the wind, to Shift back and forth between bring in fresh air. If the Vehicle Is Stuck R (Reverse) and a low forward gear, spinning the wheels as little as . Fully open the air outlets on Slowly and cautiously spin the wheels possible. To prevent transmission or under the instrument to free the vehicle when stuck in sand, wear, wait until the wheels stop panel. mud, ice, or snow. spinning before shifting gears. Release If stuck too severely for the traction . Adjust the climate control the accelerator pedal while shifting, system to free the vehicle, turn the system to circulate the air and press lightly on the accelerator traction system off and use the inside the vehicle and set the pedal when the transmission is in rocking method. See Traction Control/ fan speed to the highest gear. Slowly spinning the wheels in Electronic Stability Control 0 219. setting. See “Climate Control the forward and reverse directions Systems.” causes a rocking motion that could { Warning For more information about CO, see free the vehicle. If that does not get Engine Exhaust 0 208. the vehicle out after a few tries, it If the vehicle's tires spin at high might need to be towed out. If the speed, they can explode, and you or vehicle does need to be towed out, see To save fuel, run the engine for short others could be injured. The vehicle Towing the Vehicle 0 367. periods to warm the vehicle and then can overheat, causing an engine shut the engine off and partially close compartment fire or other damage. Vehicle Load Limits the window. Moving about to keep Spin the wheels as little as possible warm also helps. and avoid going above 56 km/h It is very important to know how much weight the vehicle can carry. If it takes time for help to arrive, (35 mph). when running the engine, push the This weight is called the vehicle accelerator pedal slightly so the capacity weight and includes the engine runs faster than the idle speed. weight of all occupants, cargo, and Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

196 DRIVING AND OPERATING all nonfactory-installed options. Tire and Loading Information The Tire and Loading Information Two labels on the vehicle may Label label also shows the tire size of show how much weight it may the original equipment tires (3) properly carry: the Tire and and the recommended cold tire Loading Information label and the inflation pressures (4). For more Certification label. information on tires and inflation see Tires 0 335 and Tire Pressure { Warning 0 343. Do not load the vehicle any There is also important loading heavier than the Gross Vehicle information on the Certification Weight Rating (GVWR), label. It may show the Gross or either the maximum front or Vehicle Weight Rating (GVWR) rear Gross Axle Weight Rating and the Gross Axle Weight Rating (GAWR). This can cause Label Example (GAWR) for the front and rear “ ” systems to break and change A vehicle-specific Tire and axle. See Certification Label later the way the vehicle handles. Loading Information label is in this section. This could cause loss of control attached to the vehicle's center “Steps for Determining Correct and a crash. Overloading can pillar (B-pillar). The Tire and Load Limit– also reduce stopping distance, Loading Information label shows 1. Locate the statement "The damage the tires, and shorten the number of occupant seating combined weight of the life of the vehicle. positions (1), and the maximum vehicle capacity weight (2) in occupants and cargo should kilograms and pounds. never exceed XXX kg or XXX lbs." on your vehicle’s placard. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 197 2. Determine the combined 5. Determine the combined weight of the driver and weight of luggage and cargo passengers that will be riding being loaded on the vehicle. in your vehicle. That weight may not safely 3. Subtract the combined weight exceed the available cargo of the driver and passengers and luggage load capacity from XXX kg or XXX lbs. calculated in Step 4. 6. 4. The resulting figure equals If your vehicle will be towing the available amount of cargo a trailer, load from your and luggage load capacity. For trailer will be transferred to your vehicle. Consult this example, if the "XXX" amount Example 1 equals 1400 lbs. and there manual to determine how will be five 150 lb passengers this reduces the available 1. Vehicle Capacity Weight in your vehicle, the amount cargo and luggage load for Example 1 = 453 kg ” of available cargo and luggage capacity of your vehicle. (1,000 lbs). load capacity is 650 lbs. See Trailer Towing 0 282 for 2. Subtract Occupant Weight (1400-750 (5 x 150) = important information on towing @ 68 kg (150 lbs) × 2 = 650 lbs.) a trailer, towing safety rules, and 136 kg (300 lbs). trailering tips. 3. Available Occupant and Cargo Weight = 317 kg (700 lbs). Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

198 DRIVING AND OPERATING weight of the driver, passengers, and cargo should never exceed the vehicle's capacity weight. Certification Label

Example 2 Example 3

1. Vehicle Capacity Weight 1. Vehicle Capacity Weight for Example 2 = 453 kg for Example 3 = 453 kg (1,000 lbs). (1,000 lbs). 2. Subtract Occupant Weight 2. Subtract Occupant Weight Label Example @ 68 kg (150 lbs) × 5 = @ 91 kg (200 lbs) × 5 = A vehicle-specific Certification 340 kg (750 lbs). 453 kg (1,000 lbs). label is attached to the vehicle's 3. Available Cargo Weight = 3. Available Cargo Weight = center pillar (B-pillar). The label 113 kg (250 lbs). 0 kg (0 lbs). may show the gross weight Refer to the vehicle's Tire and capacity of the vehicle, called the Loading Information label for Gross Vehicle Weight Rating specific information about the (GVWR). The GVWR includes the vehicle's capacity weight and weight of the vehicle, all seating positions. The combined occupants, fuel, and cargo. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 199 Starting and Operating . Do not participate in track events, { Warning sport driving schools, or similar activities during this break-in Things inside the vehicle can New Vehicle Break-In period. strike and injure people in a Follow these recommended guidelines . Check engine oil with every sudden stop or turn, or in a during the first 2 400 km (1,500 mi) of crash. refueling and add if necessary. Oil driving this vehicle. Parts have a and fuel consumption may be . Put things in the cargo break-in period and performance will higher than normal during the area of the vehicle. In the be better in the long run. first 2 400 km (1,500 mi). cargo area, put them as far For the first 2 400 km (1,500 mi): . To break in new tires, drive at forward as possible. Try to . Avoid full throttle starts and moderate speeds and avoid hard spread the weight evenly. abrupt stops. cornering for the first 300 km (200 mi). New tires do not . . Never stack heavier things, Do not exceed 4000 engine rpm. have maximum traction and may like suitcases, inside the . Avoid driving at any one constant tend to slip. vehicle so that some of speed, fast or slow. them are above the tops of . New brake linings also need a . Avoid downshifting to brake or break–in period. Avoid making the seats. slow the vehicle when the engine hard stops during the first . Do not leave an unsecured speed will exceed 4000 rpm. 300 km (200 mi). This is child restraint in the . Do not let the engine labor. Never recommended every time brake vehicle. lug the engine in high gear at low linings are replaced. . Secure loose items in the speeds. vehicle. . Do not leave a seat folded down unless needed. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

200 DRIVING AND OPERATING Ignition Positions Stopping the Engine/OFF (No If the vehicle must be shut off in an Indicator Lights) : When the vehicle emergency: is stopped, press ENGINE START/ 1. Brake using a firm and steady STOP once to turn the engine off. pressure. Do not pump the If the vehicle is in P (Park), the brakes repeatedly. This may ignition will turn off, and Retained deplete power assist, requiring Accessory Power (RAP) will remain increased brake pedal force. active. See Retained Accessory Power 0 2. Shift the vehicle to N (Neutral). (RAP) 205. This can be done while the If the vehicle is in R (Reverse), vehicle is moving. After shifting D (Drive), or M (Manual Mode), the to N (Neutral), firmly apply the vehicle will shift to P (Park), the brakes and steer the vehicle to a ignition will turn off, and RAP will safe location. remain active. 3. Come to a complete stop and The vehicle has an electronic keyless If the vehicle is in N (Neutral), the shift to P (Park). ignition with pushbutton start. ignition will return to ACC/ 4. Set the parking brake. See The Remote Keyless Entry (RKE) ACCESSORY and display the message Electric Parking Brake 0 216. transmitter must be in the vehicle for SHIFT TO PARK in the Driver Press ENGINE START/STOP to the system to operate. If the Information Center (DIC). When the turn the vehicle off. pushbutton start is not working, the vehicle is shifted into P (Park), the vehicle may be near a strong radio ignition will turn off. { Warning antenna signal causing interference to Do not turn the engine off when the the Keyless Access system. See Remote vehicle is moving. This will cause a Turning off the vehicle while Keyless Entry (RKE) System Operation loss of power assist in the brake and moving may cause loss of power 0 29. steering systems and disable the assist in the brake and steering airbags. To shift out of P (Park), the ignition (Continued) must be on and the brake pedal must be applied. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 201 Once engine cranking begins, release Warning (Continued) the button. Engine cranking will Caution continue until the engine starts. See systems and disable the airbags. Starting the Engine 0 201. The ignition Do not try to shift to P (Park) if the While driving, only shut the vehicle will then remain on. vehicle is moving. If you do, you off in an emergency. could damage the transmission. Service Mode Shift to P (Park) only when the If the vehicle cannot be pulled over, This power mode is available for vehicle is stopped. and must be shut off while driving, service and diagnostics, and to verify press and hold ENGINE START/STOP the proper operation of the malfunction indicator lamp as may be for longer than two seconds, or press Caution twice in five seconds. required for emission inspection purposes. With the vehicle off, and the If you add electrical parts or ACC/ACCESSORY (Amber Indicator brake pedal not applied, pressing and accessories, you could change the Light) : This mode allows you to use holding ENGINE START/STOP for way the engine operates. Any some electrical accessories when the more than five seconds will place the engine is off. vehicle in Service Mode. The resulting damage would not be covered by the vehicle warranty. See With the ignition off, pressing the instruments and audio systems will 0 button one time without the brake operate as they do when the ignition Add-On Electrical Equipment 285. pedal applied will place the ignition is on, but the vehicle will not be able system in ACC/ACCESSORY. to be driven. The engine will not start Starting Procedure in Service Mode. Press ENGINE STOP/ The ignition will switch from ACC/ START again to turn the ignition off. 1. With the Keyless Access system, ACCESSORY to off after five minutes the Remote Keyless Entry (RKE) to prevent battery rundown. Starting the Engine transmitter must be in the ON/RUN/START (Green Indicator vehicle. Press ENGINE START/ Light) : This mode is for driving and Shift to P (Park) or N (Neutral). To STOP with the brake pedal starting. With the ignition off, and the restart the engine when the vehicle is applied. When the engine begins brake pedal applied, pressing the already moving, use N (Neutral) only. cranking, let go of the button. button once will turn the ignition on. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

202 DRIVING AND OPERATING The idle speed will go down as 2. If the engine does not start after the engine gets warm. Do not five to 10 seconds, especially in { Warning race the engine immediately very cold weather (below −18 °C after starting it. or 0 °F), it could be flooded with The automatic engine Stop/Start feature causes the engine to shut If the RKE transmitter is not in too much gasoline. Try pushing the accelerator pedal all the way off while the vehicle is still on. Do the vehicle, if there is not exit the vehicle before shifting interference, or if the RKE to the floor and holding it there as you press ENGINE START/ to P (Park). The vehicle may restart battery is low, a Driver and move unexpectedly. Always Information Center (DIC) will STOP. Wait at least 15 seconds shift to P (Park), and then turn the display a message. See Remote between each try, to allow the ignition off before exiting the Keyless Entry (RKE) System cranking motor to cool down. Operation 0 29. When the engine starts, release vehicle. the accelerator. If the vehicle starts briefly but then stops Auto Engine Stop/Start Caution again, do the same thing. This clears the extra gasoline from the When the brakes are applied and the Cranking the engine for long engine. Do not race the engine vehicle is at a complete stop, the periods of time, by returning the immediately after starting it. engine may turn off. When stopped, ignition to the START position Operate the engine and the tachometer displays AUTO STOP. immediately after cranking has transmission gently until the oil See Tachometer 0 133. When the brake ended, can overheat and damage warms up and lubricates all pedal is released or the accelerator the cranking motor, and drain the moving parts. pedal is pressed, the engine will battery. Wait at least 15 seconds restart. between each try, to let the Stop/Start System To maintain vehicle performance, cranking motor cool down. If equipped, the Stop/Start system will other conditions may cause the engine shut off the engine to help conserve to automatically restart before the fuel. It has components designed for brake pedal is released. the increased number of starts. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 203 Auto Stops may not occur and/or Auto . The hood has been opened. Engine Heater Starts may occur because: . The Auto Stop has reached the Vehicles with the engine heater can . The climate control settings maximum allowed time. use this option in cold weather require the engine to be running Auto Stop Disable Switch conditions at or below −18 °C (0 °F) for to cool or heat the vehicle interior. easier starting and better fuel . The vehicle battery charge is low. economy during engine warm-up. Plug in the coolant heater at least four . The vehicle battery has recently hours before starting your vehicle. An been disconnected. internal thermostat in the plug-end of . Minimum vehicle speed has not the cord may exist which will prevent been reached since the last engine heater operation at Auto Stop. temperatures above −18 °C (0 °F). . The accelerator pedal is pressed. { Warning . The engine or transmission is not at the required operating Do not plug in the engine block temperature. heater while the vehicle is parked in . The outside temperature is not in a garage or under a carport. the required operating range. The automatic engine Stop/Start Property damage or personal injury function can be disabled by . may result. Always park the vehicle The vehicle is in any gear other touching h on the center stack. Auto than D (Drive). in a clear open area away from Stop is enabled each time you start buildings or structures. . Driver modes have been selected. the vehicle. . The vehicle is on a steep hill or When the light next to h is grade. illuminated, the system is enabled. . The driver door has been opened or driver seat belt has been unbuckled. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

204 DRIVING AND OPERATING To Use the Engine Heater Warning (Continued) Warning (Continued) 1. Turn off the engine. 2. Open the hood and unwrap the function. An ungrounded . While in use, do not let the outlet could cause an electric electrical cord. The cord is heater cord touch vehicle shock. clipped to the diagonal brace on parts or sharp edges. Never the passenger side of the engine . Use a weatherproof, close the hood on the compartment. heavy-duty, 15 amp-rated heater cord. Check the heater cord for extension cord if needed. Failure to use the . Before starting the vehicle, damage. If it is damaged, do not unplug the cord, reattach the use it. See your dealer for a recommended extension cord in good operating condition, cover to the plug, and replacement. Inspect the cord for securely fasten the cord. Keep damage yearly. or using a damaged heater or extension cord, could make it the cord away from any 3. Plug it into a normal, grounded overheat and cause a fire, moving parts. 110-volt AC outlet. property damage, electric shock, and injury. 4. Before starting the engine, be { Warning . Do not operate the vehicle sure to unplug and store the cord with the heater cord as it was before to keep it away Improper use of the heater cord or permanently attached to the from moving engine parts. If you an extension cord can damage the vehicle. Possible heater cord do not, it could be damaged. cord and may result in overheating and thermostat damage could Contact your dealer for information and fire. occur. on how long to use the heater in your . Plug the cord into a (Continued) particular area. three-prong electrical utility receptacle that is protected by a ground fault detection (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 205 Retained Accessory Leaving the Vehicle with the If you have to leave the vehicle with Engine Running the engine running, be sure the Power (RAP) vehicle is in P (Park) and the parking Some vehicle accessories may be used { Warning brake is set before you leave it. after the ignition is turned off. If you are towing a trailer and parking The power windows and sunroof, It can be dangerous to leave the on a hill, see Driving Characteristics if equipped, will continue to work for vehicle with the engine running. and Towing Tips 0 278. up to 10 minutes or until any door is It could overheat and catch fire. opened. It is dangerous to get out of the Shifting out of Park The infotainment system will continue vehicle if the vehicle is not in This vehicle is equipped with an to work for 10 minutes, until the P (Park) with the parking brake set. electronically controlled transmission. driver door is opened, or until the The vehicle can roll. The shift lock release button is ignition is turned on or placed in Do not leave the vehicle when designed to prevent inadvertent ACC/ACCESSORY. shifting out of P (Park) unless the the engine is running. If you have ignition is on, the brake pedal is left the engine running, the vehicle Shifting Into Park applied, and the shift lock release can move suddenly. You or others button is pressed. To shift into P (Park): could be injured. To be sure the The shift lock control is always 1. Bring the vehicle to a stop, and vehicle will not move, even when functional except in the case of an hold the brake pedal down. you are on fairly level ground, always set the parking brake and uncharged or low voltage (less than 2. Press the button on top of the shift to P (Park). See Shifting Into 9-volt) battery. shift lever to shift into P (Park). 0 If the vehicle has an uncharged See Automatic Transmission Park 205. If you are towing a battery or a battery with low voltage, 0 209. trailer, see Driving Characteristics and Towing Tips 0 278. try charging or jump starting the 3. The P indicator on the shift lever battery. See Jump Starting - North will turn red when the vehicle is America 0 364. in P (Park). Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

206 DRIVING AND OPERATING To shift out of P (Park): To place the vehicle in N (Neutral) Warning (Continued) 1. Ensure the engine is running. using the manual park release: 2. Apply the brake pedal. roll and you or others could be 1. Ensure the vehicle is on level injured. Ensure the vehicle is on ground and set the parking 3. Press the shift lock release level ground. brake. button. 2. Turn the vehicle off. 4. Move the shift lever to the desired position. Caution 5. The P indicator will turn white and the gear indicator on the The manual park release is not shift lever will turn red when the intended to be used for towing. vehicle is no longer in P (Park). Damage may result from using the 6. After releasing the shift lever, it manual park release in this way. will return to the center position. The repairs would not be covered If the vehicle cannot shift from by the vehicle warranty. P (Park), a Driver Information Center (DIC) message will be The manual park release can be used displayed. See your dealer for service. to shift the vehicle into N (Neutral) when the engine is not running. Manual Park Release 3. Use a flat-bladed tool to remove If the manual park release is pulled the interior trim panel on the { Warning while the vehicle is on or if the center console to the right of the ignition is turned on while the manual accelerator pedal. The transmission will be placed in park release is pulled, the DIC will 4. Pull the carpet back to expose N (Neutral) when the manual park display a message to service the the manual park release lever. release is pulled. The vehicle can transmission. 5. Ensure more than one minute (Continued) has elapsed since Step 2. Apply the brake pedal. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 207 2. Rotate the manual park release Active Fuel Management 90° back to its original position. This vehicle's engine may be equipped 3. Apply the parking brake. with Active Fuel Management, which 4. Confirm that the vehicle is in allows the engine to operate on either P (Park) by turning the ignition all of its cylinders, or in reduced on or by placing the vehicle in cylinder operation, depending on the ACC/ACCESSORY, then ensure driving conditions. that the indicator displays P. When less power is required, such as 5. Install the interior trim panel. cruising at a constant vehicle speed, the system will operate in reduced Parking over Things operation mode, allowing the vehicle 6. Pull the manual park release That Burn to achieve better fuel economy. When lever 90° to its latching position. greater power demands are required, such as accelerating from a stop, 7. With the brake pedal released, { Warning passing, or merging onto a freeway, place the ignition in ACC/ the system will maintain full-cylinder ACCESSORY. Then apply the Things that can burn could touch operation. brake pedal and release the hot exhaust parts under the vehicle parking brake. and ignite. Do not park over papers, If the vehicle has an Active Fuel Management indicator, see Driver leaves, dry grass, or other things To return the vehicle to P (Park) using Information Center (DIC) for more that can burn. the manual park release: information on using this display. 1. Bring the vehicle to a complete stop. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

208 DRIVING AND OPERATING Extended Parking Engine Exhaust Warning (Continued) It is best not to park with the vehicle running. If the vehicle is left running, { Warning . There are holes or openings be sure it will not move and there is in the vehicle body from adequate ventilation. Engine exhaust contains carbon damage or aftermarket monoxide (CO), which cannot be modifications that are not See Shifting Into Park 0 205 and Engine seen or smelled. Exposure to CO completely sealed. Exhaust 0 208. can cause unconsciousness and If unusual fumes are detected or if If the vehicle is left parked and even death. it is suspected that exhaust is running with the RKE transmitter coming into the vehicle: outside the vehicle, it will continue to Exhaust may enter the vehicle if: run for up to half an hour. . The vehicle idles in areas with . Drive it only with the If the vehicle is left parked and poor ventilation (parking windows completely down. running with the RKE transmitter garages, tunnels, deep snow . Have the vehicle repaired inside the vehicle, it will continue to that may block underbody immediately. airflow or tail pipes). run for up to an hour. Never park the vehicle with the The vehicle could turn off sooner if it . The exhaust smells or sounds engine running in an enclosed area is parked on a hill, due to lack of strange or different. such as a garage or a building that available fuel. . The exhaust system leaks due has no fresh air ventilation. The timer will reset if the vehicle is to corrosion or damage. taken out of P (Park) while it is . The vehicle exhaust system running. has been modified, damaged, or improperly repaired. (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 209 Running the Vehicle While Automatic Transmission The transmission does not operate Parked when the vehicle is off. If the vehicle is in ACC/ACCESSORY, It is better not to park with the engine the transmission can be shifted into running. P (Park). If the vehicle is left with the engine If the vehicle is turned off while at a running, follow the proper steps to be relatively high vehicle speed, the sure the vehicle will not move. transmission will automatically shift See Shifting Into Park 0 205 and Engine 0 to N (Neutral). Once the vehicle is Exhaust 208. stopped, P (Park) is automatically If parking on a hill and pulling a selected. trailer, see Driving Characteristics and Towing Tips 0 278.

The shift pattern is displayed in the top of the shift lever. The selected gear position will illuminate red on the shift lever, while all others will be displayed in white. If the shift is not immediate, as in very cold conditions, the indicator on the shift lever may flash until it is fully engaged. The shift lever always starts from a center position, represented by an up/ down arrow on the shift pattern. After releasing the shift lever, it will return P: This position locks the drive to the center position. wheels. Use P (Park) when starting the engine because the vehicle cannot move easily. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

210 DRIVING AND OPERATING The vehicle will not shift into P (Park) { Warning if it is moving too fast. Stop the vehicle and shift into P (Park). It is dangerous to get out of the vehicle if the transmission is not in To shift in and out of P (Park), see 0 P (Park) with the parking brake set. Shifting Into Park 205 and Shifting 0 The vehicle can roll. out of Park 205. Do not leave the vehicle when the Service Shift Lever Message engine is running. If the engine has If the message SERVICE SHIFTER SEE been left running, the vehicle can OWNER’S MANUAL appears in the move suddenly. You or others could Driver Information Center (DIC), the be injured. To be sure the vehicle shift lever needs service. Have the will not move, even when on fairly This vehicle is equipped with an vehicle serviced as soon as possible. level ground, always set the parking electronic controlled transmission. If the vehicle is automatically shifting brake and place the transmission The shift lock release button is into P (Park), check to see if the into P (Park). See Shifting Into Park designed to prevent inadvertent P (Park) button on top of the shift 0 205, Driving Characteristics and shifting out of P (Park) unless the lever is stuck. To operate the vehicle, Towing Tips 0 278 and Electric ignition is on, the brake pedal is hold the shift lever in the desired gear, Parking Brake 0 216. applied, and the shift lock release R (Reverse) or D (Drive), until vehicle button is pressed. speed exceeds 15 km/h (10 mph), then release the shift lever. When the vehicle is stopped, press ENGINE START/STOP to turn off the R: Use this gear to back up. vehicle. The transmission will shift to If the vehicle is shifted from either P (Park) automatically, unless the R (Reverse) to D (Drive), or D (Drive) vehicle is in N (Neutral). See “Car or M (Manual Mode) to R (Reverse) Wash Mode” later in this section. while the speed is too high, the vehicle will shift to N (Neutral). Reduce the vehicle speed and try the shift again. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 211 To shift into R (Reverse): N: In this position, the engine does The vehicle is not designed to stay in 1. Bring the vehicle to a not connect with the wheels. To N (Neutral) for more than complete stop. restart the engine when the vehicle is five minutes. It may automatically already moving, use N (Neutral) only. shift into P (Park). N (Neutral) is not 2. Press and hold shift lock release intended for towing. If the vehicle button on the side of the shift { Warning needs to be towed, see Towing the lever. Vehicle 0 367. 3. From the center position, move Shifting into a drive gear while the To shift into N (Neutral): the shift lever forward through engine is running at high speed is the first detent to the end of dangerous. Unless your foot is 1. Move the shift lever forward to travel. R is illuminated in red. firmly on the brake pedal, the the first detent from the center position. 4. After releasing the shift lever, it vehicle could move very rapidly. will return to the center position. You could lose control and hit If the vehicle is in P (Park), apply people or objects. Do not shift into the brake pedal and press the To shift out of R (Reverse): a drive gear while the engine is shift lock release button while 1. Bring the vehicle to a running at high speed. moving the shift lever forward. N complete stop. will illuminate in red. 2. Shift to the desired gear. 2. After releasing the shift lever, it will return to the center position. 3. After releasing the shift lever, it Caution will return to the center position. To shift out of N (Neutral): Shifting out of P (Park) or At low vehicle speeds, R (Reverse) can 1. Bring the vehicle to a N (Neutral) with the engine running complete stop. be used to rock the vehicle back and at high speed may damage the forth to get out of snow, ice, or sand transmission. The repairs would not 2. Shift to the desired gear. without damaging the transmission. be covered by the vehicle warranty. If shifting from N (Neutral) to See If the Vehicle Is Stuck 0 195. Be sure the engine is not running at R (Reverse) the shift lock release high speed when shifting the button will need to be pressed. vehicle. 3. After releasing the shift lever, it will return to the center position. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

212 DRIVING AND OPERATING Car Wash Mode Car Wash Mode (Engine Off – Driver Car Wash Mode (Engine On – Driver out of Vehicle) in Vehicle) This vehicle includes a Car Wash Mode that allows the vehicle to To place the vehicle in N (Neutral) To place the vehicle in N (Neutral) remain in N (Neutral) for use in with the engine off and the vehicle with the engine on and the vehicle automatic car washes. unoccupied: occupied: Car Wash Mode (Engine Off – Driver 1. Drive to the entrance of the 1. Drive to the entrance of the in Vehicle) car wash. car wash. To place the vehicle in N (Neutral) 2. Apply the brake pedal. 2. Apply the brake pedal. with the engine off and the vehicle 3. Open the door. 3. Shift to N (Neutral). occupied: 4. Shift to N (Neutral). 4. Release the brake pedal. The 1. Drive to the entrance of the vehicle is now ready for the car wash. 5. Turn off the engine and release the brake pedal. car wash. 2. Apply the brake pedal. 6. The indicator should continue to Car Wash Mode (Engine On – Driver 3. Shift to N (Neutral). show N. If it does not, repeat out of Vehicle) 4. Turn off the engine and release Steps 2–5. To place the vehicle in N (Neutral) the brake pedal. 7. Exit the vehicle and close the with the engine on and the vehicle unoccupied: 5. The indicator should continue to door. The vehicle is now ready show N. If it does not, repeat for the car wash. 1. Drive to the entrance of the Steps 2–4. 8. The vehicle may automatically car wash. 6. The vehicle is now ready for the shift to P (Park) upon re-entry. 2. Apply the brake pedal. car wash. 3. Open the door. 4. Shift to N (Neutral), then release the brake pedal. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 213 5. The indicator should continue to To shift into D (Drive): M: This mode can be entered from show N. If it does not, repeat 1. Bring the vehicle to a D (Drive) by pulling back on the shift – Steps 2 4. complete stop. lever. The M in the shift pattern will 6. Exit the vehicle and close the illuminate red, and the D will switch 2. From the center position, move to white. After releasing the shift door. The vehicle is now ready the shift lever back. for the car wash. lever, it will return to the center . If the vehicle is in P (Park) position. M (Manual Mode) allows 7. The vehicle may automatically press the shift lock release gears appropriate for current driving shift to P (Park) upon re-entry. button while pulling the shift conditions to be selected. lever back. To exit M (Manual Mode) and return Caution . D will illuminate in red. to D (Drive), pull back on the shift lever. The D in the shift pattern will A transmission hot message may . After releasing the shift lever, illuminate in red, and the M will display if the automatic it will return to the center switch to white. See Manual Mode transmission fluid is too hot. position. 0 214. Driving under this condition can To shift out of D (Drive): damage the vehicle. Stop and idle Caution the engine to cool the automatic 1. Bring the vehicle to a complete stop. transmission fluid. This message Spinning the tires or holding the clears when the transmission fluid 2. Shift to the desired gear. vehicle in one place on a hill using has cooled sufficiently. 3. After releasing the shift lever, it only the accelerator pedal may will return to the center position. damage the transmission. The repair will not be covered by the D: This position is for normal driving. Downshifting the transmission in vehicle warranty. If the vehicle is If more power is needed for passing, slippery road conditions could result press the accelerator pedal down. A in skidding. See “Skidding” under Loss stuck, do not spin the tires. When clicking noise or a detent may be felt of Control 0 192. stopping on a hill, use the brakes to when pressing the accelerator pedal hold the vehicle in place. all the way to the end of travel. This is normal. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

214 DRIVING AND OPERATING Manual Mode Permanent Tap Shift Mode M (Manual Mode) can be exited to To enter Permanent Tap Shift Mode: return to D (Drive) at any speed by Tap Shift pulling the lever rearward from the 1. With the vehicle in D (Drive), center position. It is not necessary to Caution pull back on the shift lever to stop the vehicle or shift to N (Neutral) activate M (Manual Mode). The or P (Park) before shifting back to Driving with the engine at a high M in the shift pattern will D (Drive). illuminate in red, and the D will rpm without upshifting while using Temporary Tap Manual Shift Mode Tap Shift, could damage the vehicle. switch to white. Always upshift when necessary 2. After releasing the shift lever, it To enter Temporary Tap Shift Mode: while using Tap Shift. will return to the center position. 1. With the transmission in 3. Press the controls on the back of D (Drive) and not in Permanent the steering wheel to shift. Use Tap Shift Mode, the Tap Shift the left steering wheel control to controls will activate a downshift, and the right control temporary tap manual shift to upshift. To shift to the lowest mode, allowing the transmission available gear, press and hold the to be manually shifted. left control. 2. To shift to the lowest available To exit Permanent Tap Shift Mode: gear, press and hold the left control. 1. To exit M (Manual Mode) and return to D (Drive), pull back on 3. To deactivate, hold the right the shift lever. The D in the shift control briefly. Automatic shifts pattern will illuminate in red, return after no manual shifts and the M will switch to white. have been done for seven to 10 seconds. Vehicles with Tap Shift have controls 2. After releasing the shift lever, it on the back of the steering wheel to will return to the center position. manually shift the automatic transmission. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 215 While using Tap Shift, the vehicle will Drive Systems Brakes have firmer, quicker shifting. This can be used for sport driving or when climbing or descending hills, to stay in All-Wheel Drive Antilock Brake gear longer, or to downshift for more Vehicles with this feature always send System (ABS) power or engine braking. engine power to all four wheels. It is This vehicle has an Antilock Brake The transmission will only allow fully automatic, and adjusts itself as System (ABS), an advanced electronic shifting into gears appropriate for the needed for road conditions. braking system that helps prevent a vehicle speed and engine revolutions braking skid. per minute (rpm). If shifting is When the vehicle begins to drive prevented for any reason, a SHIFT away, ABS checks itself. A momentary DENIED message will be displayed in motor or clicking noise may be heard the instrument cluster. The while this test is going on, and it may transmission will not automatically even be noticed that the brake pedal shift to the next higher gear if the moves a little. This is normal. engine rpm is too high. It will only automatically shift to the next lower gear if the engine rpm is much too low.

If there is a problem with ABS, this warning light stays on. See Antilock Brake System (ABS) Warning Light 0 143. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

216 DRIVING AND OPERATING If driving safely on a wet road and it Using ABS Electric Parking Brake becomes necessary to slam on the Do not pump the brakes. Just hold the brakes and continue braking to avoid brake pedal down firmly and let ABS a sudden obstacle, a computer senses work. You may hear the ABS pump or the wheels are slowing down. If one of motor operating and feel the brake the wheels is about to stop rolling, the pedal pulsate. This is normal. computer will separately work the brakes at each wheel. When ABS is active, it may be an indication that road surfaces are ABS can change the brake pressure to slippery. Braking sooner may be each wheel, as required, faster than required for driving conditions. any driver could. This can help you steer around the obstacle while If equipped with electric brake boost, braking hard. the TCS/StabiliTrak/ESC light will flash when ABS is active. As the brakes are applied, the computer keeps receiving updates on Braking in Emergencies The vehicle has an Electric Parking wheel speed and controls braking Brake (EPB). The EPB can always be pressure accordingly. ABS allows you to steer and brake at activated, even if the ignition is off. To the same time. In many emergencies, Remember: ABS does not change the prevent draining the battery, avoid steering can help more than even the repeated cycles of the EPB system time needed to get a foot up to the very best braking. brake pedal or always decrease when the engine is not running. stopping distance. If you get too close The system has a Y or PARK to the vehicle in front of you, there 8 will not be enough time to apply the Electric Parking Brake light, and a Service Parking Brake light. See brakes if that vehicle suddenly slows 0 or stops. Always leave enough room Electric Parking Brake Light 142 and up ahead to stop, even with ABS. Service Electric Parking Brake Light 0 143. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 217

Before leaving the vehicle, check for If the 8 light is on, press the EPB The EPB is released when the Y or the Y or PARK light to ensure that switch and hold it. Continue to hold PARK light is off. the parking brake is applied. Y the switch until the or PARK light If the 8 light is on, release the EPB by EPB Apply remains on. If the 8 light remains on, pressing and holding the EPB switch. see your dealer. To apply the EPB: Continue to hold the switch until If the EPB is applied while the vehicle the Y or PARK light is off. If either 1. Be sure the vehicle is at a is moving, the vehicle will decelerate light stays on after release is complete stop. as long as the switch is pressed. If the attempted, see your dealer. 2. Press the EPB switch switch is pressed until the vehicle momentarily. comes to a stop, the EPB will remain Caution applied. The Y or PARK light will flash and Driving with the parking brake on then stay on once the EPB is fully The vehicle may automatically apply can overheat the brake system and applied. If the Y or PARK light the EPB in some situations when the vehicle is not moving. This is normal, cause premature wear or damage to flashes continuously, then the EPB is and is done to periodically check the brake system parts. Make sure that only partially applied or there is a correct operation of the EPB system. the parking brake is fully released problem with the EPB. A DIC message and the brake warning light is off If the EPB fails to apply, block the rear will display. Release the EPB and try before driving. to apply it again. If the light does not wheels to prevent vehicle movement. come on, or keeps flashing, have the EPB Release vehicle serviced. Do not drive the Automatic EPB Release To release the EPB: vehicle if the Y or PARK light is The EPB will automatically release if flashing. See your dealer. See Electric 1. Turn the ignition on or to ACC/ the vehicle is running, placed into Parking Brake Light 0 142. ACCESSORY. gear, and an attempt is made to drive 2. Apply and hold the brake pedal. away. Avoid rapid acceleration when the EPB is applied, to preserve parking 3. Press the EPB switch brake lining life. momentarily. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

218 DRIVING AND OPERATING Brake Assist Hill Start Assist (HSA) vehicle is in a drive gear and facing downhill or if the vehicle is facing This vehicle has a brake assist feature uphill and in R (Reverse). designed to assist the driver in { Warning stopping or decreasing vehicle speed Automatic Vehicle in emergency driving conditions. This Do not rely on the HSA feature. feature uses the stability system HSA does not replace the need to Hold (AVH) hydraulic brake control module to pay attention and drive safely. You supplement the power brake system may not hear or feel alerts or under conditions where the driver has warnings provided by this system. quickly and forcefully applied the Failure to use proper care when brake pedal in an attempt to quickly driving may result in injury, death, stop or slow down the vehicle. The or vehicle damage. See Defensive stability system hydraulic brake Driving 0 190. control module increases brake pressure at each corner of the vehicle until the ABS activates. Minor brake Hill Start Assist (HSA) may pedal pulsation or pedal movement automatically activate when the during this time is normal and the vehicle is stopped on a hill and driver should continue to apply the Automatic Vehicle Hold (AVH) is not brake pedal as the driving situation enabled. This feature is designed to prevent the vehicle from rolling, either Automatic Vehicle Hold (AVH), dictates. The brake assist feature will if equipped, can be turned on by automatically disengage when the forward or rearward, during vehicle drive off. During the transition from pressing AUTO HOLD with the driver brake pedal is released or brake pedal seat belt fastened, the driver door pressure is quickly decreased. releasing the brake pedal to accelerating to drive off on a hill, HSA closed, and the engine running. The holds the braking pressure to prevent AVH indicator will come on. rolling. HSA will not activate if the Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 219 This feature will activate when the Ride Control Systems If cruise control is being used and vehicle is stopped to prevent it from traction control or StabiliTrak/ESC moving. After the brake pedal has begins to limit wheel spin, cruise been released and before the Traction Control/Electronic control will disengage. Cruise control accelerator pedal has been pressed, Stability Control may be turned back on when road AVH uses braking pressure to hold the conditions allow. System Operation vehicle stationary. In addition, the Both systems come on automatically ABS pump motor may activate to The vehicle has a Traction Control when the vehicle is started and begins build brake pressure to maintain the System (TCS) and StabiliTrak/ to move. The systems may be heard or vehicle at a standstill if necessary. Electronic Stability Control (ESC). felt while they are operating or while If AVH is holding the vehicle, the AVH These systems help limit wheel spin performing diagnostic checks. This is indicator will change to green. Once and assist the driver in maintaining normal and does not mean there is a AVH is active it will hold the vehicle control, especially on slippery road problem with the vehicle. conditions. for a defined time period then engage It is recommended to leave both the parking brake. While AVH is TCS activates if it senses that any of systems on for normal driving holding the vehicle, the parking brake the drive wheels are spinning or conditions, but it may be necessary to will engage if the driver door is beginning to lose traction. When this turn TCS off if the vehicle gets stuck opened or the driver seat belt is happens, TCS applies the brakes to the in sand, mud, ice, or snow. See If the unfastened. See Automatic Vehicle Hold spinning wheels and reduces engine 0 0 Vehicle Is Stuck 195 and “Turning (AVH) Light 144. power to limit wheel spin. the Systems Off and On” later in this StabiliTrak/ESC activates when the section. vehicle senses a difference between the intended path and the direction the vehicle is actually traveling. StabiliTrak/ESC selectively applies braking pressure to any one of the vehicle wheel brakes to assist the driver in keeping the vehicle on the intended path. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

220 DRIVING AND OPERATING

The indicator light for both systems is If d comes on and stays on, the To turn off only TCS, press and in the instrument cluster. This vehicle may need more time to release Y. The Traction Off light i light will: diagnose the problem. If the condition displays in the instrument cluster and . Flash when TCS is limiting persists, see your dealer. the appropriate DIC message displays. wheel spin. Turning the Systems Off and On To turn TCS on again, press and . Flash when StabiliTrak/ESC is release Y. The Traction Off light i activated. displayed in the instrument cluster . Turn on and stay on when either will turn off. system is not working. To turn off both TCS and StabiliTrak/ If either system fails to turn on or to ESC, press and hold Y until the activate, a message displays in the Traction Off light i and StabiliTrak/ Driver Information Center (DIC), and d comes on and stays on to indicate ESC OFF light g come on and stay on that the system is inactive and is not in the instrument cluster. The assisting the driver in maintaining appropriate DIC message displays. control. The vehicle is safe to drive, To turn TCS and StabiliTrak/ESC on but driving should be adjusted again, press and release Y. The accordingly. Traction Off light i and StabiliTrak/ d Caution If comes on and stays on: ESC OFF light g in the instrument 1. Stop the vehicle. Do not repeatedly brake or cluster turn off. 2. Turn the engine off and wait accelerate heavily when TCS is off. Adding accessories can affect vehicle 15 seconds. The vehicle driveline could be performance. See Accessories and damaged. Modifications 0 288. 3. Start the engine. 4. Drive the vehicle. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 221 Driver Mode Control Mode Description Driver Mode Control attempts to add The following describes the modes a sportier feel, provide a more that can be selected in further detail. comfortable ride, or assists in different Tour Mode weather conditions or terrain. This system simultaneously changes the Use for normal city and highway software settings of various driving to provide a smooth, soft ride. sub-systems to optimize driving This setting provides a balanced performance. Depending on the option setting between comfort and handling. package, available features, and mode This is the standard mode. For further selection; the Exhaust, Suspension, details on Tour Mode, see “Driver Steering, Brakes, and Powertrain will Mode Selector Attributes Affected”. The Driver Mode Control has multiple change settings to achieve the desired Sport Mode mode characteristics. If the vehicle is modes: Tour, Sport, Snow/Ice, and equipped with Magnetic Ride Control, Track. The Track Mode is available for Use where road conditions or personal selecting the various Driver Modes V-Series models only. All modes have preference demand a more controlled adjusts the ride of the vehicle to preset vehicle settings for use in response. enhance the ride performance for the different driving conditions. For further detail see “Mode Description”. When selected, the Sport Mode road conditions and the indicator light will display in the selected mode. To activate a mode, press y or z on instrument cluster. the MODE switch to make a mode In this mode, the vehicle monitors selection in the instrument cluster. driving behaviors and automatically Every press will scroll to the next enables Performance Shift Features available mode. When a mode is when spirited driving is detected. selected, a unique and persistent These features maintain lower indicator will display in the Diver transmission gears to increase Information Center (DIC). available engine braking and improve acceleration response. The vehicle will Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

222 DRIVING AND OPERATING exit these features and return to Snow/Ice Mode For further details on Snow/Ice Mode, normal operation after a short period see “Driver Mode Selector Attributes Snow/Ice Mode is used for slippery when no spirited driving is detected. Affected”. surfaces to help control wheel speed. The steering including Active Rear This can compromise the acceleration Steer (if equipped), will change to Track Mode (V-Series Only) on dry asphalt. Use when maximum provide more precise control. If the vehicle handling is desired. Snow/Ice Use when maximum vehicle handling vehicle has Magnetic Ride Control, the Mode will use a different accelerator is desired. suspension will change to provide pedal map to optimize traction on a When selected, the Track Mode better cornering performance. If the slippery surface. The accelerator pedal indicator will display in the vehicle is equipped with AWD, Sport will reduce engine torque at small instrument cluster. Mode sends more torque to the rear pedal inputs. wheels. When in Track Mode, the automatic When selected, the Snow/Ice Mode transmission and the accelerator pedal For further details on Sport Mode, see indicator light will display in the is adjusted to give maximum control “Driver Mode Selector Attributes instrument cluster. during the highest level of spirited Affected”. This feature is not intended for use driving. The Magnetic Ride Control when the vehicle is stuck in sand, and steering will be set to the mud, ice, snow, or gravel. If the optimum level for vehicle vehicle becomes stuck, see If the responsiveness. Vehicle Is Stuck 0 195. If the vehicle is equipped with AWD, Snow/Ice Mode will provide more torque to the front wheels. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 223 Driver Mode Selector Attributes Affected The different modes features are shown below. Not all vehicles have all features, depending on the vehicle options.

Modes: TOUR SPORT TRACK SNOW/ICE Default Throttle Progression Tour Tour Track Snow/Ice Transmission Shift Mode Tour Sport Track Tour Engine Sound Tour Sport Track Tour Steering Tour Sport Track Tour Suspension (if equipped with Magnetic Ride) Tour Sport Track Tour Traction and Stability Control Tour Tour Track Tour

Throttle Progression Transmission Shift Mode Algorithm Shift (PAS) recognizes Adjusts throttle sensitivity by Sport or Track – Performance Shift aggressive cornering, heavy braking, selecting how quick or slow the Features are enabled in Sport and and high acceleration to select and throttle reacts to input. Track. Performance Shift Features hold lower gears when not using paddles. . Snow/Ice - The accelerator pedal include Performance Algorithm will reduce engine torque at small Liftfoot and Performance Algorithm When PAL/PAS is activated, there is pedal inputs. This allows better Shift. Performance Algorithm Liftfoot an additional green gear symbol which wheel control on slippery surfaces. (PAL) allows the transmission to hold appears in the instrument cluster the current gear after a quick release display. See Gear Shifting Light 0 143. . Track - The accelerator pedal is of a heavily applied accelerator pedal. adjusted to give maximum control This provides greater engine braking during the highest level of spirited and enhanced vehicle control without driving. using the paddles. Performance Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

224 DRIVING AND OPERATING Engine Sound Driver Mode Customization The default will be to follow the Adjusts the volume of engine noise. The Engine Sound Management, vehicle MODE switch settings, but the Adjusts the volume of engine noise steering, and suspension drive modes main vehicle mode selection for the from quietest in Tour mode to most can be set to the driver’s preference. currently selected system can be robust in Track mode. See “Driving Mode” under Vehicle overwritten using this menu. The Personalization 0 157. settings selected in this menu will set Steering the vehicle behavior in all selected When in the Track main vehicle mode, Adjusts from a lighter steering feel in vehicle modes, and will be retained you cannot overwrite the Steering or over each ignition cycle. They do not Tour Mode to reduced assist in Sport Suspension settings. These settings and Track Mode for more have to be reset each time the vehicle are designed to interact with the is started. steering feel. advanced functions in the Track Mode Suspension (if equipped with and cannot be overwritten. Locking Rear Axle Magnetic Ride) The selections made in the Driving Vehicles with a limited-slip rear axle Adjusts the shock dampening Mode menu overwrite the main can give more traction on snow, mud, firmness from a comfort tune in Tour vehicle mode selection via the buttons ice, sand, or gravel. When traction is Mode to an optimized responsiveness or switch on the center console. In low, this feature allows the drive tune in Sport and Track. order to customize and overwrite, wheel with the most traction to move select one of the three settings by Traction and Stability Control the vehicle. The limited-slip rear axle touching the infotainment display. also gives the driver enhanced control StabiliTrak/Electronic Stability Control When in the customization screen for when cornering hard or completing a (ESC) can be turned off by pressing each system, select one of the maneuver, such as a lane change. For and holding the button for available options: vehicles with limited-slip rear axle, the five seconds. rear axle fluid should be changed. See • Auto (Follows the MODE switch) Maintenance Schedule 0 379. • Tour • Sport • Track (V-Series only) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 225 Cruise Control If the Traction Control/StabiliTrak/ Electronic Stability Control (ESC) system begins to limit wheel spin { Warning while using cruise control, the cruise control automatically disengages. See Cruise control can be dangerous Traction Control/Electronic Stability where you cannot drive safely at a Control 0 219. If a collision alert steady speed. Do not use cruise occurs when cruise control is control on winding roads or in activated, cruise control is disengaged. heavy traffic. See Forward Collision Alert (FCA) 0 Cruise control can be dangerous on System 260. When road conditions slippery roads. On such roads, fast allow cruise control to be safely used, changes in tire traction can cause it can be turned back on. excessive wheel slip, and you could Cruise control will disengage if either J : Press to turn the system on and lose control. Do not use cruise TCS or StabiliTrak/ESC is turned off. off. A white indicator appears in the control on slippery roads. instrument cluster when cruise is If the brakes are applied, cruise turned on. control disengages. With cruise control, a speed of about RES+ : If there is a set speed in 40 km/h (25 mph) or more can be memory, press briefly to resume to maintained without keeping your foot that speed or press and hold to on the accelerator. Cruise control does accelerate. If the cruise control is not work at speeds below about already active, use to increase vehicle 40 km/h (25 mph). speed. To increase speed by 1 km/h (1 mph), press RES+ to the first detent. To increase speed to the next 5 km/h (5 mph) mark on the speedometer, press RES+ to the second detent. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

226 DRIVING AND OPERATING SET− : Press briefly to set the speed When the cruise control has been set . To increase vehicle speed in small and activate cruise control. If the to the desired speed, a green cruise increments, briefly press RES+ to cruise control is already active, use to control indicator appears on the the first detent. For each press, the decrease vehicle speed. To decrease instrument cluster and a cruise set vehicle goes about 1 km/h (1 mph) speed by 1 km/h (1 mph), press SET− speed message appears on the faster. to the first detent. To decrease speed Head-Up Display (HUD), if equipped. . To increase vehicle speed in larger to the next 5 km/h (5 mph) mark on − Resuming a Set Speed increments, briefly press RES+ to the speedometer, press SET to the the second detent. For each press, second detent. If the cruise control is set at a desired the vehicle speed increases to the * : Press to disengage cruise control speed and then the brakes are applied next 5 km/h (5 mph) mark on the without erasing the set speed from or * is pressed, the cruise control is speedometer. memory. disengaged without erasing the set speed from memory. The speedometer reading can be Setting Cruise Control displayed in either English or metric Once the vehicle speed reaches about units. See Instrument Cluster (Uplevel) If J is on when not in use, SET− or 40 km/h (25 mph) or more, press RES+ 0 130 or Instrument Cluster (Base RES+ could get pressed and go into briefly. The vehicle returns to the Level) 0 127. The increment value used cruise when not desired. Keep J off previous set speed. depends on the units displayed. when cruise is not being used. Increasing Speed While Using Reducing Speed While Using Cruise 1. Press J. Cruise Control Control If the cruise control system is already 2. Get up to the desired speed. If the cruise control system is already activated: activated: 3. Press and release SET−. The . Press and hold RES+ until the − desired set speed briefly appears . Press and hold SET until the desired speed is reached, then in the instrument cluster. desired lower speed is reached, release it. then release it. 4. Remove your foot from the accelerator. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 227 . To decrease the vehicle speed in While pressing the accelerator pedal . Press J. small increments, briefly press or shortly following the release to SET− to the first detent. For each override cruise, briefly applying SET− Erasing Speed Memory press, the vehicle goes about will result in cruise set to the current The cruise control set speed is erased 1 km/h (1 mph) slower. vehicle speed. from memory if J is pressed or if . To decrease the vehicle speed in Using Cruise Control on Hills the ignition is turned off. larger increments, briefly press How well the cruise control will work SET− to the second detent. For Adaptive Cruise Control each press, the vehicle speed on hills depends upon the vehicle decreases to the next 5 km/h speed, load, and the steepness of the If equipped with Adaptive Cruise (5 mph) mark on the speedometer. hills. When going up steep hills, you Control (ACC), it allows for selecting might have to step on the accelerator the cruise control set speed and The cruise control system may pedal to maintain your speed. When following gap. Read this entire section automatically brake to slow the going downhill, the cruise control before using this system. ACC uses a vehicle down. system may automatically brake to camera and radar sensors to detect The speedometer reading can be slow the vehicle down. Also, you may other vehicles. See Radio Frequency displayed in either English or metric have to brake or shift to a lower gear Statement 0 407. The following gap is units. See Instrument Cluster (Uplevel) to keep your speed down. If the brake the following time (or distance) 0 130 or Instrument Cluster (Base pedal is applied, cruise control between your vehicle and a vehicle Level) 0 127. The increment value used disengages. detected directly ahead in your path, depends on the units displayed. Ending Cruise Control moving in the same direction. If no vehicle is detected in your path, ACC Passing Another Vehicle While There are four ways to end cruise works like regular cruise control. Using Cruise Control control: If a vehicle is detected in your path, Use the accelerator pedal to increase . Step lightly on the brake pedal. ACC can speed up the vehicle or apply the vehicle speed. When you take your . Press *. limited, moderate braking to maintain foot off the pedal, the vehicle will slow the selected following gap. To down to the previous set cruise speed. . Shift the transmission to disengage ACC, apply the brake. If the N (Neutral). Traction Control System (TCS) or Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

228 DRIVING AND OPERATING StabiliTrak/Electronic Stability Control (ESC) system activates while ACC is { Warning engaged, ACC may automatically disengage. See Traction Control/ ACC will not detect or brake for Electronic Stability Control 0 219. When children, pedestrians, animals, road conditions allow ACC to be safely or other objects. used, ACC can be turned back on. ACC Do not use ACC when: will not engage if the TCS or StabiliTrak/ESC is disabled. . On winding and hilly roads or when the sensors are blocked by snow, ice, or dirt. The { Warning system may not detect a vehicle ahead. Keep the entire ACC has limited braking ability and front of the vehicle clean. may not have time to slow the J : Press to turn the system on or vehicle down enough to avoid a . Visibility is low, such as in off. The indicator turns white on the collision with another vehicle you fog, rain, or snow conditions. instrument cluster when ACC is are following. This can occur when ACC performance is limited turned on. under these conditions. vehicles suddenly slow or stop RES+ : Press briefly to resume the ahead, or enter your lane. Also see . On slippery roads where fast previous set speed or to increase “Alerting the Driver” in this section. changes in tire traction can vehicle speed if ACC is already Complete attention is always cause excessive wheel slip. engaged. To increase speed by 1 km/h required while driving and you (1 mph), press RES+ to the first detent. should be ready to take action and To increase speed to the next 5 km/h apply the brakes. See Defensive (5 mph) mark on the speedometer, Driving 0 190. press RES+ to the second detent. SET– : Press briefly to set the speed and activate ACC or to decrease vehicle speed if ACC is already engaged. To decrease speed by 1 km/h Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 229 (1 mph), press SET− to the first detent. To decrease speed to the next 5 km/h Warning (Continued) (5 mph) mark on the speedometer, press SET− to the second detent. vehicle will not automatically brake * for other vehicles, which could : Press to disengage ACC without cause an accident if the brakes are erasing the selected set speed. ACC Indicator Regular Cruise not applied manually. You and [ : Press to select a following gap Control Indicator others could be seriously injured or time (or distance) setting for ACC of killed. Far, Medium, or Near. When ACC is engaged, a green \ The speedometer reading can be indicator will be lit on the instrument Setting Adaptive Cruise Control displayed in either English or metric cluster. When the regular cruise units. See Instrument Cluster (Uplevel) control is engaged, a green J If J is on when not in use, it could 0 130 or Instrument Cluster (Base indicator will be lit on the instrument get pressed and go into ACC when not Level) 0 127. The increment value used cluster. desired. Keep J off when cruise is depends on the units displayed. not being used. When the vehicle is turned on, the Switching Between ACC and cruise control mode will be set to the Select the set speed desired for ACC. Regular Cruise Control last mode used before the vehicle was This is the vehicle speed when no vehicle is detected in its path. To switch between ACC and regular turned off. cruise control, press and hold *. While the vehicle is moving, ACC will A Driver Information Display (DIC) { Warning not set at a speed less than 25 km/h message displays. (15 mph), although it can be resumed Always check the cruise control when driving at lower speeds. indicator on the instrument cluster to determine which mode cruise To set ACC while moving: control is in before using the 1. Press J. feature. If ACC is not active, the 2. Get up to the desired speed. (Continued) 3. Press and release SET−. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

230 DRIVING AND OPERATING 4. Remove your foot from the Resuming a Set Speed Increasing Speed While ACC Is at a Set Speed accelerator. If ACC is set at a desired speed and After ACC is set, it may immediately then the brakes are applied, ACC is Do one of the following: apply the brakes if a vehicle ahead is disengaged without erasing the set . Use the accelerator to get to the detected closer than the selected speed from memory. higher speed. Press SET− and following gap. To begin using ACC again, press RES+ release the accelerator pedal. The ACC can also be set while the vehicle up briefly. vehicle will now cruise at the is stopped if ACC is on and the brake . If the vehicle is moving, it returns higher speed. pedal is applied. to the previous set speed. When the accelerator pedal is . If the vehicle is stopped with the pressed, ACC will not brake brake pedal applied, press RES+ because it is overridden. The ACC and release the brake pedal. ACC indicator will turn blue on the will hold the vehicle until RES+ or instrument panel and heads up the accelerator pedal is pressed. display, if equipped . A green ACC indicator and the set Press and hold RES+ until the desired set speed is displayed, The ACC indicator displays on the speed display on the instrument then release it. instrument cluster and Head-Up cluster. The vehicle ahead indicator Display (HUD), if equipped. When ACC may be flashing if a vehicle ahead was . To increase speed in smaller is turned on, the indicator will be lit present and moved. See “Approaching increments, press RES+ to the first white. When ACC is engaged, the and Following a Vehicle” later in this detent. For each press, the vehicle indicator will turn green. section. goes 1 km/h (1 mph) faster. Be mindful of speed limits, Once ACC has resumed, if there is no . To increase speed in larger surrounding traffic speeds, and vehicle ahead, if the vehicle ahead is increments, press RES+ to the weather conditions when selecting the beyond the selected following gap, second detent. For each press, the set speed. or if the vehicle has exited a sharp vehicle speed increases to the next curve, then the vehicle speed will 5 km/h (5 mph) mark on the increase to the set speed. speedometer. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 231 The set speed can also be increased . To decrease speed in larger Since each gap setting corresponds to while the vehicle is stopped. increments, press SET− to the a following time (Far, Medium, . If stopped with the brake applied, second detent. For each press, the or Near), the following distance will press RES+ until the desired set vehicle speed decreases to the vary based on vehicle speed. The speed is displayed. next 5 km/h (5 mph) mark on the faster the vehicle speed, the further speedometer. back your vehicle will follow a vehicle . If ACC is holding the vehicle at a . detected ahead. Consider traffic and stop and there is another vehicle To decrease speed while the vehicle is stopped, press SET− weather conditions when selecting the directly ahead, pressing RES+ will following gap. The range of selectable increase the set speed. Pressing until the desired set speed is displayed. gaps may not be appropriate for all RES+ when there is no longer a drivers and driving conditions. vehicle ahead will cause ACC to Selecting the Follow Distance Gap resume. Changing the gap setting When a slower moving vehicle is automatically changes the alert timing Reducing Speed While ACC Is at a detected ahead within the selected sensitivity (Far, Medium, or Near) for Set Speed following gap, ACC will adjust the the Forward Collision Alert (FCA) Do one of the following: vehicle's speed and attempt to feature. See Forward Collision Alert maintain the follow distance gap (FCA) System 0 260. . Use the brake to get to the desired selected. lower speed. Release the brake and Alerting the Driver press SET−. The vehicle will now Press [ on the steering wheel to cruise at the lower speed. adjust the following gap. Each press cycles the gap button through three . Press and hold SET− until the settings: Far, Medium, or Near. desired lower speed is reached, then release it. When pressed, the current gap setting displays briefly on the instrument . To decrease speed in smaller cluster and HUD. The gap setting will increments, press SET− to the first be maintained until it is changed. detent. For each press, the vehicle goes about 1 km/h (1 mph) slower. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

232 DRIVING AND OPERATING If ACC is engaged, driver action may If this indicator is not displaying, ACC be required when ACC cannot apply will not respond to or brake for Warning (Continued) sufficient braking because of vehicles ahead. approaching a vehicle too rapidly. when a vehicle suddenly appears ACC automatically slows the vehicle due to a vehicle ahead changing When this condition occurs, the down and adjusts vehicle speed to lanes. Your vehicle may not stop collision alert symbol on the HUD will follow the vehicle in front at the and could cause a crash. Use flash on the windshield. Either eight selected follow gap. The vehicle speed caution when using ACC. Your beeps will sound from the front, increases or decreases to follow the complete attention is always or both sides of the Safety Alert Seat vehicle in front of you, but will not required while driving and you will pulse five times. See “Collision/ exceed the set speed. It may apply should be ready to take action and Detection Systems” under Vehicle limited braking, if necessary. When Personalization 0 157. braking is active, the brake lamps will apply the brakes. See Defensive Driving 0 190. come on. The automatic braking may feel or sound different than if the ACC Automatically Disengages Approaching and Following a brakes were applied manually. This is ACC may automatically disengage and Vehicle normal. you will need to manually apply the Stationary or Very Slow-Moving brakes to slow the vehicle if: Objects . The sensors are blocked. { Warning . The Traction Control System (TCS) or StabiliTrak/ESC system has ACC may not detect and react to activated or been disabled. The vehicle ahead indicator is on the stopped or slow-moving vehicles . There is a fault in the system. ahead of you. For example, the instrument cluster and HUD display. . The radar falsely reports blockage This indicator only displays when a system may not brake for a vehicle when driving in a desert or remote vehicle is detected in your vehicle’s it has never detected moving. This area with no other vehicles or path moving in the same direction. can occur in stop-and-go traffic or (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 233 roadside objects. A DIC message When the vehicle ahead drives away, may display to indicate that ACC ACC resumes automatically if the stop { Warning is temporarily unavailable. was brief. If necessary, press RES+ or the accelerator pedal to resume ACC. Leaving the vehicle without placing The ACC indicator will turn white it in P (Park) can be dangerous. Do when ACC is no longer active. If stopped for more than two minutes or if the driver door is opened and the not leave the vehicle while it is In some cases, when ACC will not driver seat belt is unbuckled, the ACC being held at a stop by ACC. Always activate, regular cruise control may be automatically applies the Electric place the vehicle in P (Park) and used. See “Switching Between ACC and Parking Brake (EPB) to hold the turn off the ignition before leaving Regular Cruise Control” previously in vehicle. The EPB status light will turn the vehicle. this section. Always consider driving on. See Electric Parking Brake 0 216. conditions before using either cruise To release the EPB, press the ACC Override control system. accelerator pedal. If using the accelerator pedal while Notification to Resume ACC A DIC warning message may display ACC is active, the ACC indicator turns ACC will maintain a follow gap behind indicating to shift to P (Park) before blue on the instrument cluster and in a detected vehicle and slow your exiting the vehicle. the HUD, if equipped, to indicate that vehicle to a stop behind that vehicle. automatic braking will not occur. ACC { Warning will resume operation when the If the stopped vehicle ahead has accelerator pedal is not being pressed. driven away and ACC has not If ACC has stopped the vehicle, and resumed, the vehicle ahead indicator if ACC is disengaged, turned off, { Warning will flash as a reminder to check or canceled, the vehicle will no traffic ahead before proceeding. In longer be held at a stop. The vehicle addition, the left and right sides of the The ACC will not automatically can move. When ACC is holding the Safety Alert Seat will pulse three apply the brakes if your foot is vehicle at a stop, always be times, or three beeps will sound. See resting on the accelerator pedal. “Alert Type” and “Adaptive Cruise Go prepared to manually apply the You could crash into a vehicle Notifier” in “Collision/Detection brakes. ahead of you. Systems” under Vehicle Personalization 0 157. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

234 DRIVING AND OPERATING Curves in the Road Warning (Continued)

{ Warning brakes if necessary. Select an On curves, ACC may not detect a appropriate speed while driving in vehicle ahead in your lane. You curves. could be startled if the vehicle accelerates up to the set speed, ACC may operate differently in a especially when following a vehicle sharp curve. It may reduce the vehicle exiting or entering exit ramps. You speed if the curve is too sharp. ACC may detect a vehicle that is not could lose control of the vehicle or in your lane and apply the brakes. crash. Do not use ACC while driving ACC may occasionally provide an alert on an entrance or exit ramp. Always and/or braking that is considered be ready to use the brakes if unnecessary. It could respond to necessary. vehicles in different lanes, signs, guardrails, and other stationary objects when entering or exiting a curve. This is normal operation. The { Warning vehicle does not need service.

On curves, ACC may respond to a When following a vehicle and entering vehicle in another lane, or may not a curve, ACC may not detect the have time to react to a vehicle in vehicle ahead and accelerate to the set your lane. You could crash into a speed. When this happens, the vehicle vehicle ahead of you, or lose control ahead indicator will not appear. of your vehicle. Give extra attention in curves and be ready to use the (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 235 Other Vehicle Lane Changes Do not use ACC when driving on steep ice, dirt, or mud. These areas need to hills or when towing a trailer. For be cleaned for ACC to operate towing capability, see Trailer Towing properly. 0 282. ACC will not detect a vehicle in If ACC will not operate, regular cruise the lane while driving on steep hills. control may be available. See The driver will often need to take over “Switching Between ACC and Regular acceleration and braking on steep Cruise Control” previously in this hills, especially when towing a trailer. section. Always consider driving If the brakes are applied, the ACC conditions before using either cruise disengages. control system. Disengaging ACC ACC will not detect a vehicle ahead For cleaning instructions, see There are three ways to “Washing the Vehicle” under Exterior until it is completely in the lane. The 0 brakes may need to be manually disengage ACC: Care 369. applied. . Step lightly on the brake pedal. System operation may also be limited under snow, heavy rain, or road spray Do Not Use ACC on Hills and When . Press *. Towing a Trailer conditions. . Press J. Super Cruise Erasing Speed Memory If equipped, Super Cruise can steer to The ACC set speed is erased from maintain lane position under certain memory if J is pressed or if the conditions on limited access freeways ignition is turned off. that are separated from opposing traffic. Cleaning the Sensing System The camera sensor on the windshield behind the rearview mirror and the radar sensors on the front of the vehicle can become blocked by snow, Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

236 DRIVING AND OPERATING . A high-precision map { Warning Warning (Continued) . GPS-enhancement data Super Cruise can only assist to downloaded through OnStar . Not steer to avoid stopped or maintain lane position when driving Super Cruise works with Adaptive slow-moving vehicles, on limited access freeways. You Cruise Control (ACC), which controls construction barriers or must supervise the driving task and acceleration and braking while Super cones, motorcycles, children, monitor the freeway conditions. Cruise is enabled and operating. pedestrians, animals, or other You may need to respond to traffic Review and understand both this objects on the freeway. events by steering, braking, section and the ACC section before . Not steer in response to or accelerating. See Defensive using Super Cruise. See Adaptive vehicles or objects next to Driving 0 190. Cruise Control 0 227. your vehicle, including vehicles attempting to enter Super Cruise is: An active OnStar or connected service plan that includes Emergency Services your lane. . Not a self-driving system. is required to use Super Cruise. . Not change lanes. . Not a crash avoidance or . Not steer to merge onto or to warning system. { Warning exit freeways. . Not a substitute for proper . Not detect, steer to avoid, supervision of the Super Cruise does not perform all or steer through construction driving task. aspects of driving, nor does it do everything a driver can do. Super zones. Cruise only steers to maintain lane . Not function on surface Super Cruise uses the following to position. Super Cruise can only be streets. detect the current lane position and used with Adaptive Cruise Control. lane markings ahead on limited access . Not respond to crossing or freeways under certain conditions: Super Cruise does: oncoming traffic. . Cameras . Not prevent crashes or warn . Not function in city driving of possible crashes. conditions. . Global Positioning System (GPS) sensing (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 237

{ Warning Warning (Continued) Warning (Continued)

Some state and local laws may It is extremely important to pay . Always observe posted speed require hands to be kept on the attention to the operation of the limits. Only use Super Cruise steering wheel at all times. Only vehicle, even while using Super at or below the posted speed remove your hands from the Cruise. Do not use a hand-held limit. steering wheel if Super Cruise is device while driving, even with Super Cruise should not be used in engaged, it is safe to do so, and it is Super Cruise engaged. permitted by state and local laws. complex or uncertain driving Failure to do so may result in a To prevent serious injury or death: conditions, including: crash involving serious injury or . Always remain properly . Not in construction zones. death. seated in the driver seat with . Not when approaching or your seat belt fastened. exiting toll plazas. . Never remove your hands . Not when lane markings are { Warning from the steering wheel when not present or cannot be Super Cruise is not operating. detected. For example there is Failure to supervise the driving task . Always make sure traffic too much glare, weather and to respond appropriately, even conditions are safe before conditions are poor, or lanes while Super Cruise is operating, can using Super Cruise. are poorly marked. cause a crash. Super Cruise may not respond as you would to all driving . Always keep the entire front . Not on slippery or icy of the vehicle and the sensors freeways. situations and may not maintain clean. lane position under all conditions. (Continued) (Continued) (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

238 DRIVING AND OPERATING When Super Cruise is Available . The lane markings are clearly Warning (Continued) visible and able to be detected by the system. . Not in adverse weather conditions, including rain, sleet, fog, ice, or snow. . Not on winding or hilly roads. Super Cruise Indicator . Not for city driving. Super Cruise is designed to operate . Not during heavy or only when: emergency braking. . ACC is on. See Adaptive Cruise . Not on surface streets. Control 0 227. Poor Conditions . Not on a road shoulder, . Forward Automatic Braking is on. service drive, or under an See Forward Automatic Braking elevated freeway. (FAB) 0 262. . Not in tunnels. . Teen Driver is not active. . Not when towing a trailer. . The GPS detects the vehicle is on . Not in a freeway exit lane. a limited access freeway. . Both the camera and the radar sensors are functioning and not covered, obstructed, or damaged. Poor Conditions . The Driver Attention System (DAS) detects the driver's head and eyes are directed toward the freeway. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 239 Using Super Cruise ACC will set the speed at the current vehicle speed. If ACC has { Warning a previously set speed, it may resume at that speed. To prevent serious injury or death: 5. When engaged, the steering . Always check that Super wheel light bar, ^, and \ Cruise is available ^ before will display green. pressing ]. When Super Cruise is engaged, when . Only remove your hands from traffic and other conditions and laws the steering wheel if the permit, and when it is safe to do so, your hands can be taken off the steering wheel light bar, ^, To engage: steering wheel. and \ are green. Super Always pay attention to the road and Cruise may not begin steering 1. Press J to turn on ACC. Make the operation of the vehicle. Always immediately, even when sure the white \ indicator monitor and be attentive of Super Cruise is available displays in the instrument surrounding traffic. and ] has been pressed. cluster. See Adaptive Cruise 0 Super Cruise steering can be Control 227. overridden with manual steering at 2. Center the vehicle in the lane. any time. When Super Cruise is engaged, always be prepared to take 3. When Super Cruise is available, immediate action — including the white ^ will display in the steering, accelerating, and braking instrument cluster. quickly, if necessary. 4. Press ] to engage both Super Cruise and ACC. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

240 DRIVING AND OPERATING Steering Manually and Changing Any time the steering wheel light bar Lanes { Warning flashes red, resume manual steering immediately. The instrument cluster The vehicle can always be manually To help prevent crashes before ^ steered, even with Super Cruise making a lane change: light , will also turn red and a engaged; for example, when changing message will display in the Driver lanes. . Always check mirrors. Information Center (DIC). In addition, beeps will sound, or the Safety Alert When the steering wheel is moved . Glance over your shoulder. Seat will vibrate. See “Collision/ manually, the steering wheel light bar . Use the turn signals. Detection Systems” under Vehicle pulses blue and ^ on the instrument Personalization 0 157. After you begin cluster turns blue to indicate Super Take Over Alert steering manually, then Super Cruise Cruise is not steering the vehicle. will disengage. When ready to allow Super Cruise to { Warning The red flashing steering wheel light resume steering again, position the bar could occur under any of the vehicle in the center of the lane, hold Super Cruise will not maintain the following conditions: the steering wheel until the steering vehicle’s speed while the steering . Lane markings are poor, wheel light bar turns green, and then wheel light bar is flashing red. or visibility is limited. release the steering wheel when it is If the steering wheel light bar safe to do so. flashes red, immediately resume . The Driver Attention System Super Cruise does not respond to manual steering to prevent serious (DAS) does not detect that the vehicles in other lanes near your injury or death. If you do not driver's head and eyes are directed vehicle. resume manual steering, the vehicle toward the freeway. will begin to slow in the same lane . ACC is canceled. and eventually come to a complete . The vehicle is on a tight curve, stop on the freeway. or the lanes are too wide, or the vehicle goes into a curve too fast. . The freeway ends. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 241 . A Super Cruise system fault The Driver Attention System (DAS) on occurs. { Warning the steering column continually monitors driver head and eye position Attention to the Road To prevent serious injury or death, to estimate driver attention to the be alert and pay special attention road. The camera does not record or { Warning when passing freeway exits and share pictures, audio, or video. entrances with Super Cruise, and be Super Cruise is a driver assistance ready to take control of the vehicle Sunglasses, hats, or other types of system and cannot accurately when necessary. Changes in lane clothing that change the shape of the head may interfere with camera detect or predict all situations. markings around freeway exits and performance. To improve camera Super Cruise is not a crash entrances can momentarily cause avoidance system. To prevent performance, raise or lower the Super Cruise to not detect the steering wheel, or change the seat serious injury or death, you must correct lane. If this occurs, Super position. supervise the driving task and Cruise may attempt steering inputs monitor the freeway conditions. to bring the vehicle back into the You may need to respond to traffic correct lane and, in rare events by steering, braking, circumstances, could over-correct or accelerating. See Defensive and cause the vehicle to Driving 0 190. Super Cruise also momentarily cross into a lane next cannot determine whether you are to your vehicle unless you manually awake, asleep, impaired, or properly steer to maintain your lane focused on safe driving. The vehicle position. could crash into other vehicles, drive out of the lane, or drive off the road. Complete attention is always required while driving, even while using Super Cruise. Be prepared to take over steering or apply the brakes at any time. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

242 DRIVING AND OPERATING Pay close attention to the road ahead to avoid these three increasing alerts: . If the steering wheel light bar flashes green, the system has detected that your head and eyes may not be directed toward the freeway. First Alert . The flashing will stop when the system detects that your head and eyes appear to be directed toward the freeway. . If the steering wheel light bar flashes green for too long, Super Cruise will alert the driver to take control of steering immediately by flashing the light bar red. Also, either beeps will sound or the Safety Alert Seat will vibrate. See “Collision/Detection Systems” under Vehicle Second Alert Personalization 0 157. . Take over steering, then Super Cruise will disengage. . To re-engage Super Cruise, press ]. See "Using Super Cruise" previously in this section. . If the steering wheel light bar flashes red for too long, a voice command will tell you to take control of the vehicle. . Take control of the steering immediately; ACC and Super Cruise will disengage. . A DIC message will indicate that Super Cruise is locked out. Super Cruise cannot be re-engaged Third Alert until the next ignition cycle. . Continued failure to take over steering will cause the vehicle to brake to a stop and OnStar will be called. The brake lamps and hazard warning flashers will come on. . Take control of the vehicle and continue driving. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 243 Stationary or Very Slow-Moving Curves in the Road Objects { Warning { Warning The vehicle could drift out of your Super Cruise is not a crash lane of travel. To prevent crashes, avoidance system and will not steer always be ready to manually steer. or brake to avoid a crash. Super Super Cruise may not detect your Cruise does not steer to prevent a lane on curves in the freeway. Super crash with stopped or slow-moving Cruise may not detect the markings vehicles. You must supervise the that show your lane. You may not driving task and may need to steer have time to react to a vehicle in and brake to prevent a crash, the lane next to your vehicle while When entering a curve, Super Cruise especially in stop-and-go traffic or on curves in the freeway. may not detect the lane markings and when a vehicle suddenly enters may not adjust the steering enough to your lane. Always pay attention stay in your lane of travel. When this when using Super Cruise. Failure to Super Cruise may operate differently happens, you will need to steer the do so could result in a crash in sharp curves. It may drift out of vehicle. your lane of travel if the curve is too involving serious injury or death. Super Cruise may detect other lane sharp. markings that are not in your lane and may or may not steer appropriately to maintain your lane. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

244 DRIVING AND OPERATING Other Vehicles Entering Your Lane Super Cruise Indicator Light Summary

Super Cruise may occasionally provide an alert and/or steering that is considered unnecessary. It could Super Cruise may not detect a vehicle respond to lane markings in different that enters your lane, or may not The steering wheel light bar and lanes, signs, guardrails, and other brake fast enough to avoid a crash. instrument cluster light provide the stationary objects when entering or You must manually brake and steer following important information about exiting a curve. This is normal the vehicle. Super Cruise operation: operation. The vehicle does not need Towing a Trailer service. Do not use Super Cruise when towing a trailer. For towing capability, see Trailer Towing 0 282. Super Cruise on Hills Do not use Super Cruise while driving on steep hills. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 245

Steering Wheel Light Bar Instrument Cluster Light Super Cruise Description Super Cruise is off. There is no automatic steering. Operate Off Off the vehicle manually. Off White Super Cruise is available and can be engaged. Super Cruise is steering. Pay attention to the road and Solid Green Solid Green vehicle operation. Super Cruise is not steering. Operate the vehicle manually. Pulsing Blue Solid Blue See “Steering Manually and Changing Lanes” previously in this section. Super Cruise has detected you are not paying sufficiently Flashing Green Solid Green close attention to the road. Pay attention to the road. See “Attention to the Road” previously in this section. Take over steering immediately. Super Cruise will disengage. Flashing Red Solid Red See “Take Over Alert” previously in this section.

Disengaging Super Cruise . Press the brake pedal while your Immediately after a disengagement, There are two ways to disengage hands are on the steering wheel. pressing the ] within 10 seconds Super Cruise: Both Super Cruise steering and will display a DIC message with the Adaptive Cruise Control will reason for Super Cruise . Press ] while your hands are on disengage. disengagement. the steering wheel. The Super Super Cruise Messages Cruise steering will disengage. If ^ does not appear, ] can be pressed to display a DIC message as to why the system is unavailable. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

246 DRIVING AND OPERATING Super Cruise Message Summary Unavailable Turn on Adaptive Cruise Control Adaptive Cruise Control must be on before Super Cruise can be enabled. . Set speed is not required before enabling Super Cruise. . Adaptive Cruise Control is not required to be engaged before enabling Super Cruise. Unavailable Set Forward Collision Setting to Alert and Brake Super Cruise is disabled unless Alert and Brake is selected. 1. Select the Settings menu, then Vehicle, then Collision/ Detection Systems, and then Forward Collision System. 2. Set Forward Collision to Alert and Brake. Unavailable No Road Information . There is no map information available for that portion of a controlled access road. Recent road reconstruction may turn off Super Cruise for that section of road until new map information is available. . The vehicle is not on the correct type of road. A controlled access freeway is required for Super Cruise. . There are lanes entering or exiting on both the left and right side of the freeway. . The vehicle is approaching a freeway interchange. The message will appear for 10 seconds or less. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 247

Super Cruise Message Summary (cont'd) Unavailable Sensors Can’t Find Lane Lines . Rain or snow is inhibiting the system’s ability to see lane lines. . Direct sunlight is on the front camera at dawn or dusk. . There are missing or poor lane line markings on the road. . There is sun glare on the road surface. . There is heavy rain, puddles, or road spray. Unavailable Sensor Can’t See Face Clearly . Sun is shining into the Driver Attention System (DAS) camera. . Dawn or dusk sun glare is on the driver’s face. . Cups, food, hands, or other objects are obscuring the DAS view of the driver’s face. . The steering column is pointed too high or low for the DAS to see the driver. Adjust the steering column or the seat if the message occurs frequently. Unavailable Looking Away From Road for Too Long The DAS system detects that the driver is not looking at the road. Unavailable Center Vehicle In Lane The Super Cruise system has determined that the vehicle is not centered in the lane lines. Once the vehicle has been centered in the lane lines, the white ^ will display in the instrument cluster indicating that Super Cruise is available. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

248 DRIVING AND OPERATING

Super Cruise Message Summary (cont'd) Unavailable Driving Too Fast The vehicle is traveling faster than 137 km/h (85 mph). The maximum Super Cruise speed in curves will vary based on how sharp the curve is. The vehicle will automatically decrease speed if needed. Unavailable Driving in Exit Lane The Super Cruise system has detected that the vehicle is in an exit lane. Unavailable GPS Signal Lost . There is poor reception in isolated areas. . Reception is being blocked by buildings or other large structures. Unavailable You Have Taken Vehicle Control . The brake pedal is being pressed. . The Adaptive Cruise Control has been canceled or turned off. Unavailable Sensor Blocked Clear snow, ice, dirt, or other contaminants from the front and rear areas of the vehicle. Unavailable Sharp Curve Some curves are too sharp to be navigated by the Super Cruise system. Super Cruise will be available after the curve is traveled. Super Cruise Unavailable Super Cruise is unavailable for reasons not described in other messages. Super Cruise Locked Out See Owner’s Manual The driver did not take control of the vehicle when prompted by the Super Cruise system. The Super Cruise system will be disabled until the ignition is turned off and back on. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 249 Map Updates Data Download the location and approximate GPS Super Cruise map information must Super Cruise uses the Wi-Fi hotspot in speed of the vehicle. Refer to the be periodically updated at least once the vehicle to download map updates OnStar Terms and Conditions and every seven months to determine and GPS enhancement data to the Privacy Statement on the OnStar whether Super Cruise is available on vehicle. If a mobile device with its website. certain roads. Turn on the vehicle’s own Wi-Fi hotspot is brought into the Location Services built-in Wi-Fi hotspot to receive vehicle and its Service Set Identifier automatic updates via OnStar, or see (SSID) and password are the same as This setting enables or disables your dealer. See the following the OnStar Wi-Fi hotspot, then the sharing of vehicle location outside the region-based websites for Super Cruise vehicle may connect to the mobile vehicle for certain purposes. Even if map open source compliance device’s Wi-Fi hotspot to download the Location Services setting is documentation, including the license the data. See Connections 0 420. disabled, vehicle location information information: will continue to be shared for To prevent usage of a mobile device emergency services and Super Cruise, Disabling the vehicle's Wi-Fi or data plan, do one of the following: if equipped. Location Services will disable . Do not use the same SSID and System Care automatic map updates. Super Cruise password for the OnStar Wi-Fi will stop functioning after seven hotspot and a mobile device. The camera on the steering column months or less, depending on the time has a lens cover that may become of the last map update. . Disable the personal mobile device dirty over time and affect camera Wi-Fi hotspot when inside the performance. Clean the lens cover North America: vehicle. http://www.oss.gm.com/GMNA/7E2/ with a soft cloth sprayed with glass supercruise If the vehicle is equipped with OnStar cleaner. Wipe the lens gently, then dry and has an active service plan, it. Never use abrasive cloths/cleaners China: http://www.oss.gm.com/china/ additional data may be collected or corrosive chemicals of any kind on 7E2/supercruise through the OnStar system. This the lens cover. includes information about: the Super Cruise uses the front radar, vehicle’s operation; a crash involving front camera, and 360 degree cameras the vehicle; the use of the vehicle and for its operation. Clean surfaces are its features; and, in certain situations, required for Super Cruise operation. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

250 DRIVING AND OPERATING See Adaptive Cruise Control 0 227, Driver Assistance “Surround Vision Camera” under Warning (Continued) Assistance Systems for Parking or Systems . Backing 0 251, and Lane Keep Assist Detect vehicles or objects This vehicle may have features that (LKA) 0 270 for care information. outside the area monitored by work together to help avoid crashes or the system. reduce crash damage while driving, . Work at all driving speeds. Caution backing, and parking. Read this entire section before using these systems. . Warn you or provide you with The Super Cruise system is a highly enough time to avoid a crash. sophisticated system and should { Warning only be serviced by technicians . Work under poor visibility or bad weather conditions. with the proper training, tools, and Do not rely on the Driver safety instructions, which your Assistance Systems. These systems . Work if the detection sensor dealer has. Without proper training do not replace the need for paying is not cleaned or is covered by ice, snow, mud, or dirt. and tools the vehicle may become attention and driving safely. You damaged. may not hear or feel alerts or . Work if the detection sensor warnings provided by these is covered up, such as with a systems. Failure to use proper care sticker, magnet, or metal when driving may result in injury, plate. death, or vehicle damage. See . Work if the area surrounding Defensive Driving 0 190. the detection sensor is Under many conditions, these damaged or not properly systems will not: repaired. . Detect children, pedestrians, Complete attention is always bicyclists, or animals. required while driving, and you should be ready to take action and (Continued) apply the brakes and/or steer the vehicle to avoid crashes. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 251 Audible or Safety Alert Seat . Front camera lens in the front Some driver assistance features alert grille or near the front emblem the driver of obstacles by beeping. To . Front side and rear side panels change the volume of the warning . Outside of the windshield in front “ ” chime, see Comfort and Convenience of the rearview mirror under Vehicle Personalization 0 157. . Side camera lens on the bottom of If equipped with the Safety Alert Seat, the outside mirrors the driver seat cushion may provide a vibrating pulse alert instead of . Rear side corner bumpers beeping. To change this, see . Rear Vision Camera above the “Collision/Detection Systems” under license plate Vehicle Personalization 0 157. Cleaning Assistance Systems for Depending on vehicle options, keep Parking or Backing these areas of the vehicle clean to If equipped, the Rear Vision Camera ensure the best driver assistance (RVC), Rear Park Assist (RPA), Front feature performance. Driver Park Assist (FPA), Surround Vision, Information Center (DIC) messages Reverse Automatic Braking (RAB) and may display when the systems are Backing Warning System, Rear Cross unavailable or blocked. Traffic Alert (RCTA), and Automatic Parking Assist (APA) may help the driver park or avoid objects. Always check around the vehicle when . Front and rear bumpers and the parking or backing. area below the bumpers . Front grille and headlamps Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

252 DRIVING AND OPERATING Rear Vision Camera (RVC) display. The front camera is in the When the vehicle is shifted into grille or near the front emblem, the R (Reverse), the RVC displays an side cameras are on the bottom of the image of the area behind the vehicle outside mirrors, and the rear camera in the infotainment display. The is above the license plate. previous screen displays when the The Surround Vision system can be vehicle is shifted out of R (Reverse) accessed by selecting CAMERA in the after a short delay. To return to the infotainment display or when the previous screen sooner, press any vehicle is shifted into R (Reverse). To button on the infotainment system, 1. View Displayed by the return to the previous screen sooner, shift into P (Park), or, while in D Camera press any button on the infotainment (Drive), reach a vehicle speed of 2. Corners of the Rear Bumper system, shift into P (Park), or reach a approximately 12 km/h (8 mph). Displayed images may be farther or vehicle speed of approximately closer than they appear. The area 12 km/h (8 mph). displayed is limited and objects that are close to either corner of the { Warning bumper or under the bumper do not display. The Surround Vision cameras have blind spots and will not display all A warning triangle may display to objects near the corners of the show that RPA has detected an object. vehicle. Folding outside mirrors that This triangle changes from amber to are out of position may not display red and increases in size the closer surround view correctly. Always the object. check around the vehicle when Surround Vision parking or backing. If equipped, Surround Vision shows an 1. View Displayed by the image of the area surrounding the Camera vehicle, along with the front or rear camera views on the infotainment Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 253 Camera Views { Warning

The camera(s) do not display children, pedestrians, bicyclists, crossing traffic, animals, or any other object outside of the cameras’ field of view, below the bumper, or under the vehicle. Shown 1. Views Displayed by the distances may be different from Surround Vision Cameras actual distances. Do not drive or 2. Area Not Shown park the vehicle using only these camera(s). Always check behind and around the vehicle before driving. Failure to use proper care may Touch the camera view buttons along result in injury, death, or vehicle the bottom of the infotainment damage. display. Front/Rear Standard View : Displays an image of the area in front or behind the vehicle. Touch Front/Rear Standard View on the infotainment display when a camera view is active. 1. Views Displayed by the Touching the button multiple times Surround Vision Cameras will toggle between front and rear 2. Area Not Shown camera views. If equipped, the front view camera also displays when the Park Assist system detects an object within 30 cm (12 in). Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

254 DRIVING AND OPERATING Front/Rear Junction View : Displays Touching the button multiple times below bumper level. These detection a front or rear cross traffic view that will toggle between forward and distances may be shorter during shows objects directly to the left and rearward views. Rear Pedestrian Alert, warmer or humid weather. Blocked right of the front or back of the Park Assist, and RCTA are not sensors will not detect objects and vehicle. Touch Junction View on the available when Side Forward/Rearward can also cause false detections. Keep infotainment display when a camera view is active. the sensors clean of mud, dirt, snow, view is active. Touching the button Guidance Lines : Displays available ice, and slush; and clean sensors after multiple times will toggle between guidelines. a car wash in freezing temperatures. front and rear camera views. Top Down View : Displays an image { Warning Front/Rear Overhead View : Displays of the area surrounding the vehicle, a front or rear overhead view of the along with the rear camera view in the The Park Assist system does not vehicle. Touching the button will infotainment display. The rear camera toggle between the two views. detect children, pedestrians, view will be replaced by the front bicyclists, animals, or objects Front/Rear Bowl View : Displays a camera view after shifting from located below the bumper or that view of the vehicle from either the R (Reverse) to a forward gear or when are too close or too far from the front or the back of the vehicle. Touch the vehicle is moving forward slower vehicle. It is not available at speeds Bowl View on the infotainment than 12 km/h (8 mph). This view can greater than 8 km/h (5 mph). To display when a camera view is active. also be accessed by touching the Top Touching the button multiple times Down View button when the CAMERA prevent injury, death, or vehicle will toggle between forward and view is active. damage, even with Park Assist, rearward views. Rear Pedestrian Alert, always check the area around the Park Assist Park Assist, and RCTA are not vehicle and check all mirrors before available when Bowl view is active. With RPA, and if equipped with FPA, moving forward or backing. Side Forward/Rearward View : as the vehicle moves at speeds of less Displays a view that shows objects than 8 km/h (5 mph) the sensors on next to the front or rear sides of the the bumpers may detect objects up to vehicle. Touch Side Forward/Rearward 2.5 m (8 ft) behind and 1.2 m (4 ft) in View on the infotainment display front of the vehicle within a zone when a camera view is active. 25 cm (10 in) high off the ground and Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 255 Backing Warning and Reverse Automatic Braking Warning (Continued) Vehicles with Adaptive Cruise Control bumper or that are too close or too (ACC) have the Backing Warning far from the vehicle. In some System and Reverse Automatic situations, such as at higher Braking (RAB) system. The Backing backing speeds, there may not be Warning part of this system can warn enough time for the short, sharp of rear objects when backing up at application of the vehicle brake speeds greater than 8 km/h (5 mph). The instrument cluster may have a system to occur. To prevent injury, Park Assist display with bars that The Backing Warning System will death, or vehicle damage, even with show “distance to object” and object beep once from the rear when an the Backing Warning System, location information for the Park object is first detected, or pulse twice always check the area around the Assist system. As the object gets on both sides of the Safety Alert Seat. vehicle and check all mirrors before closer, more bars light up and the bars When the system detects a potential backing. change color from yellow to amber crash, beeps will be heard from the to red. rear, or five pulses will be felt on both sides of the Safety Alert Seat. There When the vehicle is in R (Reverse), When an object is first detected in the may also be a brief, sharp application if the system detects the vehicle is rear, one beep will be heard from the of the brakes. backing too fast to avoid a crash with rear, or both sides of the Safety Alert a detected object behind your vehicle Seat will pulse two times. When an { Warning in your path, it may automatically object is very close (<0.6 m (2 ft) in the brake hard to a stop to help avoid or vehicle rear, or <0.3 m (1 ft) in the The Backing Warning System only reduce the harm caused by a backing vehicle front), five beeps will sound operates at speeds greater than crash. from the front or rear depending on 8 km/h (5 mph). It does not detect object location, or both sides of the children, pedestrians, bicyclists, Safety Alert Seat will pulse five times. animals, or objects below the Beeps for FPA are higher pitched than for RPA. (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

256 DRIVING AND OPERATING Use caution while backing up when { Warning { Warning towing a trailer, as the RCTA detection zones that extend out from RAB may not avoid many types of There may be instances where the back of the vehicle do not move backing crashes. Do not wait for the unexpected or undesired automatic further back when a trailer is towed. automatic braking to apply. This braking occurs. If this happens, 0 system is not designed to replace either press the brake pedal or See Radio Frequency Statement 407. driver braking and only works in firmly press the accelerator pedal to Turning the Features On or Off R (Reverse) when an object is release the brakes from the RAB detected directly behind the vehicle. system. Before releasing the brakes, Touch X on the center stack to turn It may not brake or stop in time to check the RVC and check the area on or off the Front and Rear Park avoid a crash. It will not brake for around the vehicle to make sure it Assist, Reverse Automatic Braking objects when the vehicle is moving is safe to proceed. (RAB), Rear Cross Traffic Alert at very low speeds. It does not (RCTA), and the Backing Warning System at the same time. The detect children, pedestrians, Rear Cross Traffic Alert (RCTA) bicyclists, animals, or objects below indicator light next to the button the bumper or that are too close or If equipped, RCTA displays a red comes on when the features are on and turns off when the features have too far from the vehicle. To prevent warning triangle with a left or right been disabled. injury, death, or vehicle damage, pointing arrow to warn of traffic even with RAB, always check the coming from the left or right. This Turn off Park Assist, RCTA, and RAB system detects objects coming from area around the vehicle before and when towing a trailer. up to 20 m (65 ft) from the left or while backing. right side of the vehicle. When an To turn the RPA symbols or guidance object is detected, either three beeps lines (on some models) on or off, see sound from the left or right or three “Rear Camera Park Assist Symbols” If the brake pedal is not pressed soon 0 after the stop, the Electric Parking Safety Alert Seat pulses occur on the under Vehicle Personalization 157. Brake (EPB) may be set. When it is left or right side, depending on the RCTA can also be turned on or off safe, press the accelerator pedal firmly direction of the detected vehicle. through vehicle personalization. See at any time to override RAB. “Collision/Detection Systems” under Vehicle Personalization 0 157. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 257 Automatic Parking Assist (APA) space to the left, turn on the left turn with Braking Warning (Continued) signal or, if available, change the side selection in the infotainment display. If equipped, APA searches for and APA does not detect or avoid traffic To switch the parking mode between steers the vehicle into parallel and that is behind or alongside of the parallel and perpendicular, touch and perpendicular parking spots. When vehicle. Always be prepared to stop hold O during the search process or, using APA, you must still shift gears, the vehicle during the parking if available, change the parking mode while the system applies the brakes maneuver. and accelerator. A display and audible in the infotainment display. beeps help to guide parking maneuvers. Touch O on the center stack to Do not use APA when towing a trailer. enable the system to search for a parking space that is large enough and within 1.5 m (5 ft) of the vehicle. The { Warning vehicle speed must be below 30 km/h (18 mph). The system cannot: APA may not detect objects in the parking space, objects that are soft . Detect whether it is a legal parking or narrow, objects high off the space. ground such as flatbed trucks, . Park exactly lined up with the After completely passing a large objects below ground level such as vehicle next to it if the spot is enough space, an audible beep occurs. large potholes, or moving objects approached at an angle or if the A red stop symbol and a shift to (e.g. pedestrians). Always verify that parking space is angled. reverse message are displayed. the parking space is appropriate for . Park exactly centered in a spot If the vehicle is in R (Reverse), but parking a vehicle. APA does not that is marked too large. does not steer into the expected respond to changes in the parking . Always detect short curbs. space, this may be because the system space, such as movement of an is maneuvering the vehicle into a adjacent vehicle, or a person or When enabled, APA searches for previously detected space. The APA object entering the parking space. parallel parking spaces to the right of system does not need service. (Continued) the vehicle. To search for a parking Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

258 DRIVING AND OPERATING A progress arrow displays the status The brake holds the vehicle until the of the parking maneuver. Depending parking brake or brake is applied, on the space size, additional or the vehicle is shifted into P (Park). maneuvers may be required, and there will be additional instructions. When To cancel APA, touch O again. changing gears, allow the automatic When the System Does Not Seem to steering to complete before continuing Work Properly the parking maneuver. APA will beep and display a PARKING COMPLETE The APA system may require a short period of driving along curves to APA will instruct the vehicle to stop message. Apply the brakes and place calibrate. once a large enough space is found. the vehicle in P (Park). Follow the displayed instructions. APA may automatically disengage if: Shift to R (Reverse) to engage Rear Pedestrian Alert . The steering wheel is used by the automatic steering. The steering wheel Under certain conditions, this feature driver. will vibrate briefly as a reminder to can provide alerts for a pedestrian remove hands from the steering . The maximum allowed speed is within the system’s range directly wheel. APA uses idle speed and exceeded. behind the vehicle. This feature only braking to park. If idle speed is not . The parking brake is applied or the works in R (Reverse) below 12 km/h sufficient, gently press the accelerator. vehicle is shifted into P (Park). (8 mph), and detects pedestrians up to Check surroundings and be prepared 8 m (26 ft) away during daytime to stop to avoid vehicles, pedestrians, . There is a failure with the APA driving. During nighttime driving, or objects not detected by the system. system. feature performance is very limited. In case the driver brakes, APA will not . Electronic stability control or disengage. Manual steering by the antilock brakes are activated. driver automatically disengages APA. Vehicle speed is limited to a . A high priority vehicle message is maximum of 5 km/h (3 mph) during displayed in the DIC. the parking maneuver. . The driver opens the door with an unbuckled seat belt. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 259

Warning (Continued) Warning (Continued)

. The pedestrian is not directly apply the brakes. See Defensive behind the vehicle, fully Driving 0 190. Keep the RVC, visible to the Rear Vision taillamps, and back-up lamps clean Rear Pedestrian Alert Indicator Camera (RVC), or standing and in good repair. upright. When a pedestrian is detected within . the system’s range directly behind the The pedestrian is part of a Rear Pedestrian Alert can be set to Off vehicle, this symbol flashes amber on group. or Alert. See “Rear Pedestrian the infotainment display, along with . The pedestrian is a child. Detection” in “Collision/Detection Systems” under Vehicle Personalization two beeps from the rear, or if . Visibility is poor, including equipped, two pulses from both sides 0 157. If equipped, alerts can be set to nighttime conditions, fog, beeps or seat pulses. See “Alert Type” of the driver seat. When a pedestrian rain, or snow. is detected close to the vehicle, the in “Collision/Detection Systems” under symbol flashes red on the . The RVC is blocked by dirt, Vehicle Personalization 0 157. infotainment display, along with seven snow, or ice. beeps from the rear, or if equipped, . The RVC, taillamps, Assistance Systems for seven pulses from both sides of the or back-up lamps are not Driving driver seat. cleaned or in proper working If equipped, when driving the vehicle condition. { Warning in a forward gear, Forward Collision . The vehicle is not in Alert (FCA), Lane Departure Warning Rear Pedestrian Alert does not R (Reverse). (LDW), Lane Keep Assist (LKA), Side automatically brake the vehicle. To help avoid death or injury, Blind Zone Alert (SBZA), Lane Change It also does not provide an alert always check for pedestrians Alert (LCA), the Forward Automatic Braking (FAB) system, the Front unless it detects a pedestrian, and it around the vehicle before backing Pedestrian Braking (FPB) system and/ may not detect all pedestrians if: up. Be ready to take action and or the Night Vision system can help to (Continued) (Continued) avoid a crash or reduce crash damage. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

260 DRIVING AND OPERATING Forward Collision Alert FCA warnings will not occur unless Warning (Continued) the FCA system detects a vehicle (FCA) System ahead. When a vehicle is detected, the If equipped, the FCA system may help or when following a vehicle too vehicle ahead indicator will display to avoid or reduce the harm caused by closely, FCA may not provide a green. Vehicles may not be detected front-end crashes. When approaching warning with enough time to help on curves, highway exit ramps, a vehicle ahead too quickly, FCA avoid a crash. It also may not or hills, due to poor visibility; or if a provides a red flashing alert on the provide any warning at all. FCA vehicle ahead is partially blocked by windshield and rapidly beeps or pulses does not warn of pedestrians, pedestrians or other objects. FCA will the driver seat. FCA also lights an animals, signs, guardrails, bridges, not detect another vehicle ahead until amber visual alert if following another construction barrels, or other it is completely in the driving lane. vehicle much too closely. objects. Be ready to take action and apply the brakes. See Defensive { Warning FCA detects vehicles within a distance 0 of approximately 60 m (197 ft) and Driving 190. operates at speeds above 8 km/h FCA does not provide a warning to help avoid a crash, unless it detects (5 mph). If the vehicle has Adaptive FCA can be disabled with either the Cruise Control (ACC), it can detect FCA steering wheel control or, a vehicle. FCA may not detect a vehicles to distances of approximately if equipped, through vehicle vehicle ahead if the FCA sensor is 110 m (360 ft) and operates at all personalization. See “Collision/ blocked by dirt, snow, or ice, or if speeds. See Adaptive Cruise Control Detection Systems” under Vehicle the windshield is damaged. It may 0 227. Personalization 0 157. also not detect a vehicle on winding or hilly roads, or in conditions that Detecting the Vehicle Ahead { Warning can limit visibility such as fog, rain, or snow, or if the headlamps or FCA is a warning system and does windshield are not cleaned or in not apply the brakes. When proper condition. Keep the approaching a slower-moving or windshield, headlamps, and FCA stopped vehicle ahead too rapidly, sensors clean and in good repair. (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 261 Collision Alert apply the brake pedal as needed. The Collision Alert control is on the Cruise control may be disengaged steering wheel. Press [ to set the when the Collision Alert occurs. FCA timing to Far, Medium, or Near, Tailgating Alert or on some vehicles, Off. The first button press shows the current setting on the DIC. Additional button presses will change this setting. The chosen With Head-Up Display setting will remain until it is changed and will affect the timing of both the Collision Alert and the Tailgating Alert features. The timing of both The vehicle ahead indicator will alerts will vary based on vehicle speed. display amber when you are following The faster the vehicle speed, the a vehicle ahead much too closely. farther away the alert will occur. Consider traffic and weather Without Head-Up Display Selecting the Alert Timing conditions when selecting the alert timing. The range of selectable alert When your vehicle approaches timings may not be appropriate for all another detected vehicle too rapidly, drivers and driving conditions. the red FCA display will flash on the windshield. Also, eight rapid If your vehicle is equipped with high-pitched beeps will sound from Adaptive Cruise Control (ACC), the front, or both sides of the Safety changing the FCA timing setting Alert Seat will pulse five times. When automatically changes the following this Collision Alert occurs, the brake gap setting (Far, Medium, or Near). system may prepare for driver braking Following Distance Indicator to occur more rapidly which can cause a brief, mild deceleration. Continue to The following distance to a moving vehicle ahead in your path is indicated in following time in seconds on the Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

262 DRIVING AND OPERATING Driver Information Center (DIC). See Forward Automatic Driver Information Center (DIC) 0 149. { Warning The minimum following time is Braking (FAB) 0.5 seconds away. If there is no vehicle If the vehicle has Forward Collision FAB is an emergency crash detected ahead, or the vehicle ahead is Alert (FCA), it also has FAB, which preparation feature and is not out of sensor range, dashes will be includes Intelligent Brake Assist (IBA). designed to avoid crashes. Do not displayed. When the system detects a vehicle rely on FAB to brake the vehicle. ahead in your path that is traveling in FAB will not brake outside of its Unnecessary Alerts the same direction that you may be operating speed range and only FCA may provide unnecessary alerts about to crash into, it can provide a responds to detected vehicles. for turning vehicles, vehicles in other boost to braking or automatically FAB may not: lanes, objects that are not vehicles, brake the vehicle. This can help avoid or shadows. These alerts are normal or lessen the severity of crashes when . Detect a vehicle ahead on operation and the vehicle does not driving in a forward gear. Depending winding or hilly roads. need service. on the situation, the vehicle may . Detect all vehicles, especially automatically brake moderately or Cleaning the System vehicles with a trailer, hard. This forward automatic braking tractors, muddy vehicles, etc. If the FCA system does not seem to can only occur if a vehicle is detected. . Detect a vehicle when operate properly, this may correct the This is shown by the FCA vehicle weather limits visibility, such issue: ahead indicator being lit. See Forward Collision Alert (FCA) System 0 260. as in fog, rain, or snow. . Clean the outside of the . Detect a vehicle ahead if it is windshield in front of the rearview The system works when driving in a partially blocked by mirror. forward gear between 8 km/h (5 mph) and 80 km/h (50 mph), or on vehicles pedestrians or other objects. . Clean the entire front of the with Adaptive Cruise Control (ACC), Complete attention is always vehicle. above 4 km/h (2 mph). It can detect required while driving, and you . Clean the headlamps. vehicles up to approximately 60 m should be ready to take action and (197 ft). apply the brakes and/or steer the vehicle to avoid crashes. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 263 FAB may slow the vehicle to a Minor brake pedal pulsations or pedal complete stop to try to avoid a movement during this time is normal Warning (Continued) potential crash. If this happens, FAB and the brake pedal should continue may engage the Electric Parking Brake to be applied as needed. IBA will Turn the system to Alert, or if the (EPB) to hold the vehicle at a stop. automatically disengage only when vehicle has ACC to Off, when Release the EPB or firmly press the the brake pedal is released. towing a trailer. accelerator pedal. { Warning A system unavailable message may { Warning display if: IBA may increase vehicle braking in . The front of the vehicle or FAB may automatically brake the situations when it may not be windshield is not clean. vehicle suddenly in situations necessary. You could block the flow where it is unexpected and of traffic. If this occurs, take your . Heavy rain or snow is interfering undesired. It could respond to a foot off the brake pedal and then with object detection. turning vehicle ahead, guardrails, apply the brakes as needed. . There is a problem with the signs, and other non-moving StabiliTrak/Electronic Stability objects. To override FAB, firmly FAB and IBA can be disabled through Control (ESC) system. press the accelerator pedal, if it is vehicle personalization. See “Collision/ The FAB system does not need safe to do so. Detection Systems” under Vehicle service. Personalization 0 157. Intelligent Brake Assist (IBA) Front Pedestrian Braking IBA may activate when the brake { Warning (FPB) System pedal is applied quickly by providing a Using FAB or IBA while towing a If equipped, the FPB system may help boost to braking based on the speed trailer could cause you to lose avoid or reduce the harm caused by of approach and distance to a vehicle control of the vehicle and crash. front-end crashes with nearby ahead. (Continued) pedestrians when driving in a forward gear. FPB displays an amber indicator, ~, when a nearby Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

264 DRIVING AND OPERATING pedestrian is detected directly ahead. FPB can be set to Off, Alert, or Alert & When approaching a detected { Warning Brake through vehicle personalization. pedestrian too quickly, FPB provides a See “Front Pedestrian Detection” in red flashing alert on the windshield FPB does not provide an alert or “Collision/Detection Systems” under and rapidly beeps or pulses the driver automatically brake the vehicle, Vehicle Personalization 0 157. seat. FPB can provide a boost to unless it detects a pedestrian. FPB braking or automatically brake the may not detect pedestrians, Detecting the Pedestrian Ahead vehicle. This system includes including children: Intelligent Brake Assist (IBA), and the . When the pedestrian is not Forward Automatic Braking (FAB) directly ahead, fully visible, System may also respond to or standing upright, or when pedestrians. See Forward Automatic part of a group. Braking (FAB) 0 262. . Due to poor visibility, The FPB system can detect and alert including nighttime FPB alerts and automatic braking will to pedestrians in a forward gear at conditions, fog, rain, or snow. speeds between 8 km/h (5 mph) and not occur unless the FPB system 80 km/h (50 mph). During daytime . If the FPB sensor is blocked detects a pedestrian. When a nearby driving, the system detects by dirt, snow, or ice. pedestrian is detected directly in front of the vehicle, the pedestrian ahead pedestrians up to a distance of . If the headlamps or indicator will display amber. approximately 40 m (131 ft). During windshield are not cleaned or nighttime driving, system performance in proper condition. Front Pedestrian Alert is very limited. If the vehicle is equipped with the Night Vision Be ready to take action and apply the brakes. For more information, system, during nighttime driving, the 0 vehicle can detect and alert to see Defensive Driving 190. Keep pedestrians whenever in a the windshield, headlamps, and FPB forward gear. sensor clean and in good repair. With Head-Up Display Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 265 some very low speed pedestrian crashes or reduce pedestrian injury. Warning (Continued) FPB can automatically brake to detected pedestrians between 8 km/h shadows. This is normal operation (5 mph) and 80 km/h (50 mph). and the vehicle does not need Automatic braking levels may be service. To override Automatic Braking, firmly press the accelerator Without Head-Up Display reduced under certain conditions, such as higher speeds. If also pedal, if it is safe to do so. When the vehicle approaches a equipped with the Night Vision pedestrian ahead too rapidly, the red system, pedestrians detected by the Automatic Braking can be disabled FPB alert display will flash on the Night Vision system will not cause windshield. Eight rapid high-pitched through vehicle personalization. See automatic braking to occur. “ ” beeps will sound from the front, Front Pedestrian Detection in If this happens, Automatic Braking “Collision/Detection Systems” under or both sides of the Safety Alert Seat 0 will pulse five times. When this may engage the Electric Parking Brake Vehicle Personalization 157. Pedestrian Alert occurs, the brake (EPB) to hold the vehicle at a stop. system may prepare for driver braking Release the EPB. A firm press of the { Warning to occur more rapidly which can cause accelerator pedal will also release a brief, mild deceleration. Continue to Automatic Braking and the EPB. Using the Front Pedestrian Braking apply the brake pedal as needed. system while towing a trailer could Cruise control may be disengaged { Warning cause you to lose control of the when the Front Pedestrian Alert vehicle and crash. Turn the system occurs. FPB may alert or automatically to Alert or Off when towing a brake the vehicle suddenly in trailer. Automatic Braking situations where it is unexpected If FPB detects it is about to crash into and undesired. It could falsely alert a pedestrian directly ahead, and the or brake for objects similar in shape brakes have not been applied, FPB or size to pedestrians, including may automatically brake moderately (Continued) or brake hard. This can help to avoid Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

266 DRIVING AND OPERATING Cleaning the System If FPB does not seem to operate properly, cleaning the outside of the windshield in front of the rearview mirror may correct the issue. Night Vision System If equipped, this system can help the driver see and alert the driver to With the Front Pedestrian Braking pedestrians or large animals ahead of system turned on, Night Vision the vehicle beyond the area lit by the provides a red Head-Up Display (HUD) headlamps. A thermal heat image of alert when the system detects that the the view ahead is displayed when it is vehicle is approaching a pedestrian 1. Low-Beam Headlamps dark enough outside. If a pedestrian ahead much too quickly. In addition, 2. High-Beam Headlamps or large animal is detected more than an alert beeps or the Safety Alert Seat 3. Night Vision System 25 m (82 ft) away, an amber pulses, if equipped. See Front By selecting a view on the instrument pedestrian or animal icon displays and Pedestrian Braking (FPB) System 0 263. cluster, the Night Vision image can be a box appears around the pedestrian displayed. See Instrument Cluster or animal. When the system detects { Warning (Uplevel) 0 130 or Instrument Cluster that the vehicle is approaching a (Base Level) 0 127. The Night Vision pedestrian ahead much too quickly, The system does not detect all system can operate only if: the box changes to red. objects or the vehicle distance from . The ignition is on. objects. The system may not provide a warning with enough time . The vehicle is in P (Park) or a to help avoid a crash. forward gear. . It is dark enough outside. . The headlamps are on. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 267 Adjust the instrument panel When a pedestrian or large animal is brightness to make the image no detected, an amber box displays { Warning brighter than necessary. Turn the around the pedestrian or animal on image off by selecting another view the Night Vision display and an The Night Vision system does not automatically brake the vehicle. on the instrument cluster. amber pedestrian icon, ~, or It does not provide alerts unless it Warm objects, such as pedestrians, animal icon, !, displays on the detects a pedestrian or large animals, and other moving vehicles, instrument cluster. This pedestrian animal. The system may not detect should appear whiter on the Night icon is also shown on the Head-Up pedestrians, including children, Vision display. Cold objects, such as Display (HUD). When the system or animals: the sky, signs, and parked vehicles, detects the vehicle is approaching a should appear darker. Night Vision pedestrian much too quickly, the . If they are less than 25 m only shows objects that are warmer or amber pedestrian icon and box turns (82 ft) away. colder than the surroundings. It does red, and a red flashing icon, ~, . If they are not directly ahead not detect brake lamps, turn signals, displays on the HUD with rapid in the sensor coverage area, emergency flashers, traffic lights, beeping or pulsing of the Safety Alert fully visible, standing upright, or sign information. Seat, if equipped. or part of a group. Use this system as an aid by System pedestrian icons, beeps, and . If the pedestrian or animal is occasionally glancing at the image. Do (if equipped) Safety Alert Seat pulses moving too quickly through not stare at the image or use the can be set to Off through vehicle the field of view, such as a image under well-lit conditions. personalization by turning off the bicyclist. Front Pedestrian Braking system. See { Warning . If the pedestrian is wearing “Front Pedestrian Detection” in certain types of clothing. “Collision/Detection Systems” under Do not stare at the image while Vehicle Personalization 0 157. . If headlamps are off, except driving as this might cause when parked. important objects ahead not to be . If the outside temperature is seen. You could crash, and you or higher than 30 °C (86 °F). others could be injured. (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

268 DRIVING AND OPERATING Vision image still looks blurry, use a Lane Change Alert (LCA) Warning (Continued) soft wet cloth to gently clean the sensor camera lens and dry If equipped, the LCA system is a . Due to poor visibility, thoroughly. The sensor is behind the lane-changing aid that assists drivers including in heavy fog, rain, front grille to the inside of the driver with avoiding lane change crashes or snow. side headlamp. that occur with moving vehicles in the . side blind zone (or spot) areas or with If the sensor is blocked by The camera must also be aligned to dirt, snow, rain, or ice. vehicles rapidly approaching these work correctly. If the camera needs areas from behind. The LCA warning Be ready to take action and apply adjustment, see your dealer. Do not display will light up in the the brakes. For more information, attempt to adjust the camera yourself. corresponding outside mirror and will see Defensive Driving 0 190. Keep flash if the turn signal is on. the Night Vision sensor clean and Side Blind Zone in good repair. Alert (SBZA) { Warning

If equipped, the SBZA system is a LCA does not alert the driver to Pedestrian detection may not be lane-changing aid that assists drivers vehicles outside of the system available in high outside temperatures. with avoiding crashes that occur with detection zones, pedestrians, An amber icon, *, displays. The moving vehicles in the side blind zone bicyclists, or animals. It may not system does not need service. (or spot) areas. When the vehicle is in a forward gear, the left or right side provide alerts when changing lanes In rain, snow, or fog the image may mirror display will light up if a moving under all driving conditions. Failure not be clear and the direction of the vehicle is detected in that blind zone. to use proper care when changing road ahead may not be seen. In more If the turn signal is activated and a lanes may result in injury, death, severe weather conditions, the image vehicle is also detected on the same or vehicle damage. Before making a may be unclear and unusable. The side, the display will flash as an extra lane change, always check mirrors, system does not need service. warning not to change lanes. Since glance over your shoulder, and use Keep the system sensor clean by this system is part of the Lane Change the turn signals. activating the windshield washer up to Alert (LCA) system, read the entire five times when it is dark enough for LCA section before using this feature. the system to operate. If the Night Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 269 LCA Detection Zones How the System Works signal is activated in the same direction as a detected vehicle, this The LCA symbol lights up in the display will flash as an extra warning outside mirrors when the system not to change lanes. detects a moving vehicle in the next lane over that is in the side blind zone LCA can be disabled. When you or rapidly approaching that zone from disable LCA, Side Blind Zone Alert is behind. A lit LCA symbol indicates it also disabled. See “Collision/Detection may be unsafe to change lanes. Before Systems” under Vehicle Personalization making a lane change, check the LCA 0 157. If LCA is disabled by the driver, display, check mirrors, glance over the LCA mirror displays will not your shoulder, and use the turn light up. 1. SBZA Detection Zone signals. 2. LCA Detection Zone When the System Does Not Seem to Work Properly The LCA sensor covers a zone of approximately one lane over from The LCA system requires some driving both sides of the vehicle, or 3.5 m for the system to calibrate to (11 ft). The height of the zone is maximum performance. This approximately between 0.5 m (1.5 ft) calibration may occur more quickly if Left Outside Mirror Right Outside and 2 m (6 ft) off the ground. The Side the vehicle is driving on a straight Display Mirror Display Blind Zone Alert (SBZA) warning area highway road with traffic and roadside objects (e.g., guardrails, barriers). starts at approximately the middle of When the vehicle is started, both the vehicle and goes back 5 m (16 ft). outside mirror LCA displays will LCA displays may not come on when Drivers are also warned of vehicles briefly come on to indicate the system passing a vehicle quickly, for a rapidly approaching from up to 70 m is operating. When the vehicle is in a stopped vehicle, or when towing a (230 ft) behind the vehicle. forward gear, the left or right outside trailer. The LCA detection zones that mirror display will light up if a moving extend back from the side of the vehicle is detected in the next lane vehicle do not move further back over in that blind zone or rapidly when a trailer is towed. Use caution approaching that zone. If the turn while changing lanes when towing a Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

270 DRIVING AND OPERATING trailer. LCA may alert to objects both sides of the vehicle toward the Lane Keep Assist (LKA) attached to the vehicle, such as a rear corners of the vehicle, see your trailer, bicycle, or object extending out dealer. If equipped, LKA may help avoid to either side of the vehicle. Attached crashes due to unintentional lane If the LCA displays do not light up departures. It may assist by gently objects may also interfere with the when moving vehicles are in the side detection of vehicles. This is normal turning the steering wheel if the blind zone or are rapidly approaching vehicle approaches a detected lane system operation; the vehicle does not this zone and the system is clean, the need service. marking without using a turn signal in system may need service. Take the that direction. It may also provide a LCA may not always alert the driver to vehicle to your dealer. Lane Departure Warning (LDW) vehicles in the next lane over, Radio Frequency Information system alert as the lane marking is especially in wet conditions or when crossed. The LKA system will not driving on sharp curves. The system See Radio Frequency Statement 0 407. assist or provide an LDW alert if it does not need to be serviced. The detects that you are actively steering. system may light up due to guardrails, Lane Departure Override LKA by turning the steering signs, trees, shrubs, and other Warning (LDW) wheel. LKA uses a camera to detect non-moving objects. This is normal lane markings between 60 km/h (37 system operation; the vehicle does not If equipped, LDW may help avoid mph) and 180 km/h (112 mph). need service. crashes due to unintentional lane LCA may not operate when the LCA departures. It may provide a warning { Warning sensors in the left or right corners of if the vehicle is crossing a detected the rear bumper are covered with lane marking without using a turn The LKA system does not mud, dirt, snow, ice, or slush, or in signal in the lane departure direction. continuously steer the vehicle. heavy rainstorms. For cleaning Since this system is part of the Lane It may not keep the vehicle in the Keep Assist (LKA) system, read the instructions, see "Washing the lane or give a Lane Departure entire LKA section before using this Vehicle" under Exterior Care 0 369. Warning (LDW) alert, even if a lane feature. If the DIC still displays the system marking is detected. unavailable message after cleaning (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 271

Warning (Continued) Warning (Continued)

The LKA and LDW systems you must steer the vehicle. Always may not: keep your attention on the road and . Provide an alert or enough maintain proper vehicle position steering assist to avoid a lane within the lane, or vehicle damage, departure or crash. injury, or death could occur. Always When on, the LKA indicator is green if keep the windshield, headlamps, . Detect lane markings under LKA is available to assist and provide and camera sensors clean and in LDW alerts. It may assist by gently poor weather or visibility good repair. Do not use LKA in bad conditions. This can occur if turning the steering wheel and display weather conditions. the windshield or headlamps amber if the vehicle approaches a are blocked by dirt, snow, detected lane marking without using a or ice, if they are not in turn signal in that direction. It may also provide an LDW alert by flashing proper condition, or if the sun { Warning shines directly into the amber as the lane marking is crossed. camera. Using LKA while towing a trailer or Additionally, there may be three beeps, or the driver seat may pulse on slippery roads could cause loss . Detect road edges. three times, on the right or left, of control of the vehicle and a depending on the lane departure . Detect lanes on winding or crash. Turn the system off. hilly roads. direction. Take Steering If LKA only detects lane markings How the System Works on one side of the road, it will only The LKA system does not assist or provide an LDW alert The LKA camera sensor is on the continuously steer the vehicle. If LKA when approaching the lane on the windshield ahead of the rearview does not detect active driver steering, side where it has detected a lane mirror. an alert, chime, or DIC message may marking. Even with LKA and LDW, To turn LKA on and off, press A be provided. Steer the vehicle to (Continued) on the center stack. dismiss. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

272 DRIVING AND OPERATING When the System Does Not system does not need service. Clean Seem to Work Properly the outside of the windshield behind the rearview mirror. The system performance may be affected by: LKA assistance and/or LDW alerts may occur due to tar marks, shadows, . Close vehicles ahead. cracks in the road, temporary or . Sudden lighting changes, such as construction lane markings, or other when driving through tunnels. road imperfections. This is normal system operation; the vehicle does not . Banked roads. need service. Turn LKA off if these . Roads with poor lane markings, conditions continue. such as two-lane roads. If the LKA system is not functioning Surround Vision Recorder Insert an SD card into the card reader in the trunk. Disable recording from properly when lane markings are If equipped, this system records the the playback screen before removing clearly visible, cleaning the windshield 360° camera views to an SD card. Only the SD card from the reader. Do not may help. images are recorded, no sound. An SD remove the card while recording is card will be needed for this system. A camera blocked message may enabled. This could corrupt the video The recommended SD card is a 64GB display if the camera is blocked. file and/or the SD card. Cleaning the outside of the windshield SDHC card with FAT32 file system, behind the rearview mirror may Class 10 and over. Other files should not be stored on correct the issue. Some driver the same SD card as the surround assistance systems may have reduced vision recorder files. Storing other files performance or not work at all. An on the same card may increase LKA or LDW unavailable message may recording start up and playback time display if the systems are temporarily or result in a loss of data. unavailable. This message could be due to a blocked camera. The LKA Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 273 Video List : Touch to display a list of return to all camera views. Press X at the most recent and saved videos. any time to exit the video Touch the delete button next to the recorder app. name to delete a saved video. The latest recorded video file can be Rewind : Touch to rewind the video. played. In addition: Touch again up to three times to . The recorded video is stored in increase speed. Touch a fourth time to five-minute-long files. stop rewinding. . All files can be viewed on the Play/Pause : Touch to play or pause a playback app or when the SD card To Activate : Touch Video Recorder recorded video. is read by a personal on the Home Page. Touch the red dot. Fast Forward : Touch to fast forward computer (PC). The red dot will illuminate when the the video. Touch again up to three video recorder is on. It will remain on . Once the SD card is full, the oldest times to increase speed. Touch a files will be overwritten. until it has been turned off. Recording fourth time to stop fast forward. will start after exiting the playback To Delete Data : Remove the SD card screen. Advise other drivers and Save : Touch to save a video. This from the vehicle and insert into a PC occupants of the vehicle that video protects the video from being erased. to manually delete the file. images are being recorded. Once the SD card is full, the oldest files will be overwritten unless they Error messages can occur if: To Deactivate : Touch Video Recorder have been saved. on the Home Page. Touch the red dot. . No SD card is present. Camera Views : When opening the . An empty SD card is present. Select from the following when the Video Recorder, the previous file will vehicle is in P (Park). show all camera views and can be . The video files are the wrong Exit : Touch X to exit this application played. Icons in the upper right corner format. and return to the previous app. of each view indicate which camera. . The video files are corrupt. Touch one of the views to zoom to . only that camera view. Touch again to The SD card is full. . There is a system error. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

274 DRIVING AND OPERATING Other files should not be stored on Fuel Recommended Fuel (2.0L the same SD card as the surround vision recorder files. Storing other files L4 Turbo Engine) on the same card may increase Top Tier Fuel Do not use any fuel labeled E85 or recording start up and playback time GM recommends the use of TOP TIER FlexFuel. Do not use gasoline with or result in a loss of data. An error Detergent Gasoline to keep the engine ethanol levels greater than 15% by message may be displayed if no clean, reduce engine deposits, and volume. surround vision recorded video file is maintain optimal vehicle performance. Premium unleaded gasoline meeting available for playback. Look for the TOP TIER Logo or see ASTM specification D4814 with a www.toptiergas.com for a list of TOP posted octane rating of 93 is highly TIER Detergent Gasoline marketers recommended for best performance and applicable countries. and fuel economy. Unleaded gasoline with an octane rated as low as 87 can be used. Using unleaded gasoline rated below 93 octane, however, will lead to reduced acceleration and fuel economy. If knocking occurs, use a gasoline rated at 93 octane as soon as possible, otherwise, the engine could be damaged. If heavy knocking is heard when using gasoline with a 93 octane rating, the engine needs service. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 275 Recommended Fuel (3.0L Use regular unleaded gasoline meeting ASTM specification D4814 with a Caution (Continued) Twin Turbo V6 and 4.2L posted octane rating of 87 or higher. Twin Turbo V8 Engines) Do not use gasoline with a posted corrode metal fuel system octane rating of less than 87, as this parts or damage plastic and Do not use any fuel labeled E85 or rubber parts. FlexFuel. Do not use gasoline with may cause engine knock and will ethanol levels greater than 15% by lower fuel economy. . Fuel containing metals such volume. as methylcyclopentadienyl Prohibited Fuels manganese tricarbonyl Use premium unleaded gasoline (MMT), which can damage meeting ASTM specification D4814 Caution the emissions control system with a posted octane rating of 93. and spark plugs. If unavailable, unleaded gasoline with Do not use fuels with any of the a posted octane rating of 91 may be . Fuel with a posted octane used, but with reduced performance following conditions; doing so may rating of less than the and fuel economy. If the octane is less damage the vehicle and void its recommended fuel. Using this than 91, the engine could be damaged warranty: fuel will lower fuel economy and performance, and may and the repairs would not be covered . For vehicles that are not decrease the life of the by the vehicle warranty. If heavy FlexFuel, fuel labeled greater emissions catalyst. knocking is heard when using gasoline than 15% ethanol by volume, rated at 93 octane, the engine needs such as mid-level ethanol service. blends (16–50% ethanol), E85, Fuels in Foreign Countries or FlexFuel. Recommended Fuel (3.6L The U.S., Canada, and Mexico post . Fuel with any amount of fuel octane ratings in anti-knock index V6 Engine) methanol, methylal, ferrocene, (AKI). For fuel not to use in a foreign Do not use any fuel labeled E85 or and aniline. These fuels can country, see Prohibited Fuels 0 275. FlexFuel. Do not use gasoline with (Continued) ethanol levels greater than 15% by volume. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

276 DRIVING AND OPERATING Fuel Additives Warning (Continued) Warning (Continued) TOP TIER Detergent Gasoline is highly recommended for use with your Follow these guidelines: . Fuel can spray out if the vehicle. If your country does not have refueling nozzle is inserted TOP TIER Detergent Gasoline, add . To help avoid injuries to you and others, read and follow too quickly. This spray can ACDelco Fuel System Treatment Plus happen if the tank is nearly −Gasoline to the vehicle’s gasoline fuel all the instructions on the full, and is more likely in hot tank at every oil change or 15,000 km fuel pump island. weather. Insert the refueling (9,000 mi), whichever occurs first. TOP . Turn off the engine when nozzle slowly and wait for any TIER Detergent Gasoline and ACDelco refueling. Fuel System Treatment Plus−Gasoline hiss noise to stop prior to . will help keep your vehicle’s engine Keep sparks, flames, and beginning to flow fuel. fuel deposit free and performing smoking materials away optimally. from fuel. . Do not leave the fuel pump Filling the Tank unattended. . Avoid using electronic devices { Warning while refueling. . Do not reenter the vehicle Fuel vapors and fuel fires burn while pumping fuel. violently and can cause injury or death. . Keep children away from the (Continued) fuel pump and never let children pump fuel. (Continued)

To open the fuel door, push and release the rearward center edge of the door. If equipped, the fuel door is Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 277 locked when the vehicle doors are 2. Insert and latch the funnel into { Warning locked. Press K on the RKE the capless fuel system. transmitter to unlock. If a fire starts while you are { Warning The vehicle has a capless refueling refueling, do not remove the nozzle. system and does not have a fuel cap. Shut off the flow of fuel by shutting Attempting to refuel without using The filling nozzle must be fully off the pump or by notifying the the funnel adapter may cause fuel inserted and latched prior to starting station attendant. Leave the area spillage and damage the capless fuel flow. immediately. fuel system. This could cause a fire and you or others could be badly { Warning When replacing the fuel cap, turn it burned and the vehicle could be clockwise until it clicks. Make sure the Overfilling the fuel tank by more damaged. cap is fully installed. than three clicks of a standard fill nozzle may cause: Filling the Tank with a Portable 3. Remove and clean the funnel Gas Can adapter and return to the storage . Vehicle performance issues, location. including engine stalling and If the vehicle runs out of fuel and damage to the fuel system. must be filled from a portable gas can: Filling a Portable Fuel . Fuel spills. Container . Potential fuel fires. { Warning Be careful not to spill fuel. Wait a few seconds after you have finished Never fill a portable fuel container pumping before removing the nozzle. while it is in the vehicle. Static Clean fuel from painted surfaces as 1. Locate the capless funnel electricity discharge from the soon as possible. See Exterior Care adapter from under the carpet in container can ignite the fuel vapor. 0 369. the trunk. (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

278 DRIVING AND OPERATING Driving Characteristics and Warning (Continued) Trailer Towing Towing Tips You can be badly burned and the General Towing vehicle damaged if this occurs. To Information { Warning help avoid injury to you and others: Only use towing equipment that has You can lose control when towing a . Dispense fuel only into been designed for the vehicle. Contact approved containers. trailer if the correct equipment is your dealer or trailering dealer for not used or the vehicle is not driven . Do not fill a container while assistance with preparing the vehicle properly. For example, if the trailer it is inside a vehicle, in a to tow a trailer. Read the entire is too heavy or the trailer brakes are section before towing a trailer. vehicle's trunk, pickup bed, inadequate for the load, the vehicle or on any surface other than To tow a disabled vehicle, see Towing may not stop as expected. You and the ground. the Vehicle 0 367. To tow the vehicle others could be seriously injured. . Bring the fill nozzle in behind another vehicle such as a The vehicle may also be damaged, contact with the inside of the motor home, see Recreational Vehicle and the repairs would not be 0 fill opening before operating Towing 368. covered by the vehicle warranty. the nozzle. Contact should be When towing with the 2.0L L4 engine, Pull a trailer only if all the steps in maintained until the filling is only use unleaded gasoline with an this section have been followed. Ask complete. octane rating of 89 or higher. Using your dealer for advice and . Do not smoke while gasoline with a lower octane rating information about towing a trailer pumping fuel. while towing may damage the engine with the vehicle. and may not be covered by the vehicle . Avoid using electronic warranty. See Recommended Fuel (2.0L devices. L4 Turbo Engine) 0 274 or Driving with a Trailer Recommended Fuel (3.0L Twin Turbo Trailering is different than just driving V6 and 4.2L Twin Turbo V8 Engines) the vehicle by itself. Trailering means 0 275 or Recommended Fuel (3.6L changes in handling, acceleration, V6 Engine) 0 275. braking, durability, and fuel economy. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 279 Successful, safe trailering takes correct . It is recommended to perform the If equipped, the following driver equipment, and it has to be used first oil change before heavy assistance features should be turned properly. towing. to alert or off when towing a trailer: The following information has many . During the first 800 km (500 mi) of . Forward Automatic Braking time-tested, important trailering tips trailer towing, do not drive over System (FAB) and safety rules. Many of these are 80 km/h (50 mph) and do not . Intelligent Brake Assist (IBA) important for your safety and that of make starts at full throttle. . Front Pedestrian Braking (FPB) your passengers. Read this section . Vehicles can tow in D (Drive). carefully before pulling a trailer. If the transmission downshifts too If equipped with Lane Change Alert When towing a trailer: often, a lower gear may be (LCA), the LCA detection zones that extend back from the side of the . Become familiar with and follow selected using M (Manual Mode). See Manual Mode 0 214. vehicle do not move further back all state and local laws that apply when a trailer is towed. Use caution to trailer towing. These If equipped, the following driver while changing lanes when towing a requirements vary from state to assistance features should be turned trailer. state. off when towing a trailer: If equipped with Rear Cross Traffic . . State laws may require the use of Adaptive Cruise Control (ACC) Alert (RCTA), use caution while extended side view mirrors. Even if . Super Cruise Control backing up when towing a trailer, as not required, you should install . Lane Keep Assist (LKA) the RCTA detection zones that extend extended side view mirrors if your out from the back of the vehicle do visibility is limited or restricted . Park Assist not move further back when a trailer while towing. . Automatic Parking Assist (APA) is towed. . Do not tow a trailer during the first 800 km (500 mi) of vehicle . Reverse Automatic Braking (RAB) use to prevent damage to the engine, axle, or other parts. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

280 DRIVING AND OPERATING The trailer structure, the tires, and the Following Distance { Warning brakes must be all be rated to carry Stay at least twice as far behind the the intended cargo. Inadequate trailer vehicle ahead as you would when To prevent serious injury or death equipment can cause the combination driving without a trailer. This can help from carbon monoxide (CO), when to operate in an unexpected or unsafe to avoid heavy braking and sudden towing a trailer: manner. Before driving, inspect all turns. . Do not drive with the liftgate, trailer hitch parts and attachments, trunk/hatch, or rear-most safety chains, electrical connectors, Passing window open. lamps, tires, and mirrors. See Towing Equipment 0 283. If the trailer has More passing distance is needed when . Fully open the air outlets on electric brakes, start the combination towing a trailer. The combination of or under the instrument moving and then manually apply the the vehicle and trailer will not panel. trailer brake controller to check the accelerate as quickly and is much . Adjust the climate control trailer brakes work. During the trip, longer than the vehicle alone. It is system to a setting that occasionally check that the cargo and necessary to go much farther beyond brings in only outside air. See trailer are secure and that the lamps the passed vehicle before returning to “Climate Control Systems” in and any trailer brakes are working. the lane. Pass on level roadways. the Index. Avoid passing on hills if possible. Towing with a Stability Control For more information about carbon System Backing Up monoxide, see Engine Exhaust Hold the bottom of the steering wheel When towing, the stability control 0 208. with one hand. To move the trailer to system might be heard. The system the left, move that hand to the left. To reacts to vehicle movement caused by move the trailer to the right, move Towing a trailer requires experience. the trailer, which mainly occurs that hand to the right. Always back up The combination of the vehicle and during cornering. This is normal when slowly and, if possible, have someone trailer is longer and not as responsive towing heavier trailers. as the vehicle itself. Get used to the guide you. handling and braking of the combination by driving on a level road surface before driving on public roads. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 281 Making Turns When towing at higher altitudes, 2. Have someone place chocks engine coolant will boil at a lower under the trailer wheels. Caution temperature than at lower altitudes. 3. When the wheel chocks are in If the engine is turned off immediately place, release the regular brakes Turn more slowly and make wider after towing at high altitude on steep until the chocks absorb the load. arcs when towing a trailer to uphill grades, the vehicle could show prevent damage to your vehicle. signs similar to engine overheating. To 4. Reapply the brake pedal. Then apply the parking brake and shift Making very sharp turns could avoid this, let the engine run, into P (Park). cause the trailer to contact the preferably on level ground, with the vehicle. transmission in P (Park) for a few 5. Release the brake pedal. minutes before turning the engine off. If the overheat warning comes on, see Leaving After Parking on a Hill 0 Make wider turns than normal when Engine Overheating 310. 1. Apply and hold the brake pedal. towing, so trailer will not go over soft shoulders, over curbs, or strike road Parking on Hills . Start the engine. signs, trees, or other objects. Always . Shift into a gear. signal turns well in advance. Do not { Warning steer or brake suddenly. . Release the parking brake. To prevent serious injury or death, 2. Let up on the brake pedal. Driving on Grades always park your vehicle and trailer 3. Drive slowly until the trailer is Reduce speed and shift to a lower gear on a level surface when possible. clear of the chocks. before starting down a long or steep downhill grade. If the transmission is When parking your vehicle and your 4. Stop and have someone pick up not shifted down, the brakes may trailer on a hill: and store the chocks. overheat and result in reduced braking efficiency. 1. Press the brake pedal, but do not shift into P (Park) yet. Turn the Vehicles can tow in D (Drive). Shift wheels into the curb if facing the transmission to a lower gear if the downhill or into traffic if facing transmission shifts too often under uphill. heavy loads and/or hilly conditions. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

282 DRIVING AND OPERATING Maintenance when Trailer Towing Caution (Continued) { Warning The vehicle needs service more often vehicle warranty. To tow a trailer You and others could be seriously when used to tow trailers. See correctly, follow the directions in injured or killed if the trailer is too Maintenance Schedule 0 379. It is this section and see your dealer for heavy or the trailer brakes are especially important to check the important information about inadequate for the load. The vehicle automatic transmission fluid, engine towing a trailer with the vehicle. may be damaged, and the repairs oil, axle lubricant, belts, cooling would not be covered by the vehicle system, and brake system before and warranty. during each trip. Trailer Weight Only tow a trailer if all the steps in Check periodically that all nuts and { Warning this section have been followed. Ask bolts on the trailer hitch are tight. your dealer for advice and Engine Cooling when Trailer Never exceed the towing capacity information about towing a trailer. Towing for your vehicle. The cooling system may temporarily Gross Vehicle Weight overheat during severe operating Safe trailering requires monitoring the Rating (GVWR) weight, speed, altitude, road grades, conditions. See Engine Overheating For information about the vehicle's 0 310. outside temperature, dimensions of the front of the trailer, and how maximum load capacity, see Vehicle Load Limits 0 195. When calculating Trailer Towing frequently the vehicle is used to tow a trailer. the GVWR with a trailer attached, the trailer tongue weight must be Caution included as part of the weight the vehicle is carrying. Towing a trailer improperly can damage the vehicle and result in costly repairs not covered by the (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 283 Maximum Trailer Weight this range. Always refer to the trailer total weight, including the carrier, is owner’s manual for the recommended no more than half of the maximum The trailer should never weigh more trailer tongue weight for each trailer. allowable tongue weight for the than 454 kg (1,000 lb). The maximum Never exceed the maximum loads for vehicle or 227 kg (500 lb), whichever allowable weight of the trailer may be your vehicle, hitch, and trailer. is less. lower based on the weight of the passengers and cargo in your trailer. After loading the trailer, separately Ask your dealer for trailering weigh the trailer and then the trailer information or assistance. Trailer Load Balance tongue to see if the weights are The correct trailer load balance must appropriate for your vehicle. If the Towing Equipment be maintained to ensure trailer trailer weight is too high, it may be stability. Incorrect load balance is a possible to transfer some of the cargo Hitches leading cause of trailer sway. into your vehicle. If the trailer tongue Always use the correct hitch weight is too high or too low, it may equipment for your vehicle. be possible to rearrange some of the Crosswinds, large trucks going by, and cargo inside of the trailer. rough roads can affect the trailer and Do not exceed the maximum the hitch. allowable tongue weight for your Never attach rental hitches or other vehicle. Use the shortest hitch bumper-type hitches. Only use extension available to position the frame-mounted hitches that do not hitch ball closer to your vehicle. This attach to the bumper. will help reduce the effect of the trailer tongue weight on the trailer Always seal any holes in your vehicle hitch and the rear axle. if the trailer hitch removed. If not sealed, dirt, water, and carbon If a cargo carrier is used in the trailer monoxide (CO) from the exhaust may hitch receiver, choose a carrier that enter your vehicle. See Engine Exhaust The trailer tongue weight (1) should positions the load as close to the 0 208. be 10–15% of the loaded trailer vehicle as possible. Make sure the weight (2). Some specific trailer types, such as boat trailers, fall outside of Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

284 DRIVING AND OPERATING Tires Trailer Brakes Trailer Tires . Do not tow a trailer while using a State or local regulations may require Special Trailer (ST) tires differ from compact spare tire on the vehicle. trailers to have their own braking vehicle tires. Trailer tires are designed . Tires must be properly inflated to system if the loaded weight of the with stiff sidewalls to help prevent support loads while towing a trailer exceeds certain minimums that sway and to support heavy loads. trailer. See Tires 0 335 for can vary from state to state. Read and These features can make it difficult to instructions on proper tire follow the instructions for the trailer determine if the trailer tire pressures inflation. brakes so they are installed, adjusted, are low only based on a visual and maintained properly. Never inspection. Safety Chains attempt to tap into your vehicle's Always check all trailer tire pressures hydraulic brake system. If you do, Always attach chains between the before each trip when the tires are both the vehicle anti-lock brakes and vehicle and the trailer, and attach the cool. Low trailer tire pressure is a the trailer brakes may not function, chains to the holes on the trailer hitch leading cause of trailer tire blow-outs. which could result in a crash. platform. Instructions about safety Trailer tires deteriorate over time. The chains may be provided by the hitch Turn Signals When Towing a trailer tire sidewall will show the week manufacturer or by the trailer Trailer and year the tire was manufactured. manufacturer. When properly connected, the trailer Many trailer tire manufacturers Cross the safety chains under the turn signals will illuminate to indicate recommend replacing tires more than tongue of the trailer to help prevent the vehicle is turning, changing lanes, six years old. the tongue from contacting the road if or stopping. When towing a trailer, it becomes separated from the hitch. the arrows on the instrument cluster Always leave just enough slack so the will illuminate even if the trailer is not combination can turn. Never allow properly connected or the bulbs are safety chains to drag on the ground. burned out. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

DRIVING AND OPERATING 285 Overloading is another leading cause Conversions and of trailer tire blow-outs. Never load Caution your trailer with more weight than the Add-Ons tires are designed to support. The load Some electrical equipment can rating is located on the trailer tire Add-On Electrical damage the vehicle or cause sidewall. components to not work and would Equipment not be covered by the vehicle Always know the maximum speed warranty. Always check with your rating for the trailer tires before { Warning dealer before adding electrical driving. This may be significantly equipment. lower than the vehicle tire speed The Data Link Connector (DLC) is rating. The speed rating may be on used for vehicle service and the trailer tire sidewall. If the speed Emission Inspection/Maintenance Add-on equipment can drain the rating is not shown, the default trailer testing. See Malfunction Indicator vehicle's 12-volt battery, even if the tire speed rating is 105 km/h vehicle is not operating. Lamp (Check Engine Light) 0 139. (65 mph). A device connected to the DLC — The vehicle has an airbag system. such as an aftermarket fleet or Before attempting to add anything driver-behavior tracking device — electrical to the vehicle, see Servicing 0 may interfere with vehicle systems. the Airbag-Equipped Vehicle 93 and This could affect vehicle operation Adding Equipment to the 0 and cause a crash. Such devices Airbag-Equipped Vehicle 93. may also access information stored in the vehicle’s systems. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

286 VEHICLE CARE Battery - North America ...... 314 Tire Designations ...... 340 Vehicle Care All-Wheel Drive ...... 315 Tire Terminology and Starter Switch Check ...... 316 Definitions ...... 340 General Information Park Brake and P (Park) Tire Pressure ...... 343 Mechanism Check ...... 316 Tire Pressure for High-Speed General Information ...... 287 Wiper Blade Replacement ...... 317 Operation ...... 344 California Proposition Windshield Replacement ...... 317 Tire Pressure Monitor System . . . 345 65 Warning ...... 287 Gas Strut(s) ...... 318 Tire Pressure Monitor California Perchlorate Materials Operation ...... 346 Requirements ...... 288 Headlamp Aiming Tire Inspection ...... 349 Accessories and Headlamp Aiming ...... 319 Tire Rotation ...... 350 Modifications ...... 288 Bulb Replacement When It Is Time for New Vehicle Checks Bulb Replacement ...... 319 Tires ...... 351 Doing Your Own LED Lighting ...... 319 Buying New Tires ...... 352 Service Work ...... 288 Different Size Tires and Hood ...... 289 Electrical System Wheels ...... 353 Engine Compartment Electrical System Overload ...... 320 Uniform Tire Quality Grading . . . 353 Overview ...... 290 Fuses and Circuit Breakers ...... 320 Wheel Alignment and Tire Engine Oil ...... 297 Engine Compartment Fuse Balance ...... 355 Engine Oil Life System ...... 300 Block ...... 321 Wheel Replacement ...... 355 Automatic Transmission Instrument Panel Fuse Block . . . . 328 Tire Chains ...... 356 Fluid ...... 301 Rear Compartment Fuse If a Tire Goes Flat ...... 356 Engine Air Filter Life System . . . . 302 Block ...... 330 Tire Changing ...... 358 Compact Spare Tire ...... 363 Engine Air Cleaner/Filter ...... 302 Wheels and Tires Cooling System ...... 305 Tires ...... 335 Jump Starting Engine Overheating ...... 310 All-Season Tires ...... 336 Jump Starting - North Washer Fluid ...... 311 Winter Tires ...... 336 America ...... 364 Brakes ...... 311 Low-Profile Tires ...... 337 Brake Pad Life System ...... 312 Summer Tires ...... 337 Brake Fluid ...... 313 Tire Sidewall Labeling ...... 338 Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

VEHICLE CARE 287 Towing the Vehicle General Information California Proposition Towing the Vehicle ...... 367 65 Warning Recreational Vehicle Towing . . . . 368 For service and parts needs, visit your dealer. You will receive genuine GM Appearance Care parts and GM-trained and supported { Warning Exterior Care ...... 369 service people. Interior Care ...... 373 Most motor vehicles, including this Floor Mats ...... 376 Genuine GM parts have one of these one, as well as many of its service marks: parts and fluids, contain and/or emit chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Engine exhaust, many parts and systems, many fluids, and some component wear by-products contain and/or emit these chemicals. For more information go to www.P65Warnings.ca.gov/ passenger-vehicle.

See Battery - North America 0 314 and Jump Starting - North America 0 364 and the back cover. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

288 VEHICLE CARE California Perchlorate Damage to suspension components Vehicle Checks caused by modifying vehicle height Materials Requirements outside of factory settings will not be Certain types of automotive covered by the vehicle warranty. Doing Your Own applications, such as airbag initiators, Damage to vehicle components Service Work seat belt pretensioners, and lithium resulting from modifications or the batteries contained in Remote Keyless installation or use of non-GM certified { Warning Entry transmitters, may contain parts, including control module or perchlorate materials. Special software modifications, is not covered It can be dangerous to work on handling may be necessary. For under the terms of the vehicle your vehicle if you do not have the additional information, see warranty and may affect remaining proper knowledge, service manual, www.dtsc.ca.gov/hazardouswaste/ warranty coverage for affected parts. tools, or parts. Always follow perchlorate. owner’s manual procedures and GM Accessories are designed to consult the service manual for your Accessories and complement and function with other systems on the vehicle. See your vehicle before doing any Modifications dealer to accessorize the vehicle using service work. Adding non-dealer accessories or genuine GM Accessories installed by a making modifications to the vehicle dealer technician. If doing some of your own service can affect vehicle performance and Also, see Adding Equipment to the work, use the proper service manual. safety, including such things as Airbag-Equipped Vehicle 0 93. It tells you much more about how to airbags, braking, stability, ride and service the vehicle than this manual handling, emissions systems, can. To order the proper service aerodynamics, durability, and manual, see Publication Ordering electronic systems like antilock Information 0 406. brakes, traction control, and stability This vehicle has an airbag system. control. These accessories or Before attempting to do your own modifications could even cause service work, see Servicing the malfunction or damage not covered by Airbag-Equipped Vehicle 0 93. the vehicle warranty. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

VEHICLE CARE 289 If equipped with remote vehicle start, Clear any snow from the hood before open the hood before performing any opening. Caution service work to prevent remote To open the hood: starting the vehicle accidentally. See Be sure the hood is completely Remote Vehicle Start 0 36. closed before driving. Damage may occur if it is not. Keep a record with all parts receipts and list the mileage and the date of any service work performed. See To close the hood: Maintenance Records 0 391. 1. Before closing the hood, be sure all filler caps are properly Caution installed. 2. Lower the hood approximately Even small amounts of 46 cm (18 in) from the closed contamination can cause damage to position. vehicle systems. Do not allow contaminants to contact the fluids, 3. Then push the front center of the reservoir caps, or dipsticks. 1. Pull the hood release handle. It is hood with a swift, firm motion. on the lower left side of the 4. Check to make sure the hood is instrument panel between the closed. If not, release the hood Hood door and the steering wheel. from inside and repeat Steps 1–3. 2. Release the handle, then pull the { Warning handle again to fully open the hood. Gas struts and other metal components under the hood can get 3. Go to the front of the vehicle and hot after running the engine. Do lift the hood open. not touch these components as they can burn unprotected skin and could cause serious injury. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

290 VEHICLE CARE Engine Compartment Overview

2.0L L4 Engine Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

VEHICLE CARE 291 1. Engine Coolant Surge Tank and 5. Engine Oil Dipstick. See Engine 8. Brake Fluid Reservoir (Under Pressure Cap (Under Cover). See Oil 0 297. Cover). See Brake Fluid 0 313. 0 Cooling System 305. 6. Remote Positive (+) Battery 9. Windshield Washer Fluid 2. Engine Cooling Fan (Out of Terminal. See Jump Starting - Reservoir. See Washer Fluid View). See Cooling System 0 305. North America 0 364. 0 311. 3. Engine Air Cleaner/Filter 0 302. 7. Engine Compartment Fuse Block 10. Remote Negative (-) Battery 0 321. Terminal. See Jump Starting - 4. Engine Oil Fill Cap. See Engine Oil 0 0 297. North America 364. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

292 VEHICLE CARE

3.0L V6 Engine Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

VEHICLE CARE 293 1. Engine Coolant Surge Tank and 5. Engine Oil Dipstick. See Engine 8. Brake Fluid Reservoir. See Brake Pressure Cap. See Cooling System Oil 0 297. Fluid 0 313. 0 305. 6. Remote Positive (+) Battery 9. Windshield Washer Fluid 2. Engine Air Cleaner/Filter 0 302. Terminal. See Jump Starting - Reservoir. See Washer Fluid 0 0 3. Engine Cooling Fan (Out of North America 364. 311. View). See Cooling System 0 305. 7. Engine Compartment Fuse Block 10. Remote Negative (-) Battery 0 321. Terminal. See Jump Starting - 4. Engine Oil Fill Cap. See Engine Oil 0 0 297. North America 364. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

294 VEHICLE CARE

3.6L V6 Engine Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

VEHICLE CARE 295 1. Engine Coolant Surge Tank and 5. Engine Oil Dipstick. See Engine 8. Brake Fluid Reservoir. See Brake Pressure Cap. See Cooling System Oil 0 297. Fluid 0 313. 0 305. 6. Remote Positive (+) Battery 9. Windshield Washer Fluid 2. Engine Air Cleaner/Filter 0 302. Terminal. See Jump Starting - Reservoir. See Washer Fluid 0 0 3. Engine Cooling Fan (Out of North America 364. 311. View). See Cooling System 0 305. 7. Engine Compartment Fuse Block 10. Remote Negative (-) Battery 0 321. Terminal. See Jump Starting - 4. Engine Oil Fill Cap. See Engine Oil 0 0 297. North America 364. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

296 VEHICLE CARE

4.2L V8 Engine Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

VEHICLE CARE 297 1. Passenger Side Engine 10. Windshield Washer Fluid . Change the engine oil at the Compartment Fuse Block. See Reservoir. See Washer Fluid appropriate time. See Engine Oil Engine Compartment Fuse Block 0 311. Life System 0 300. 0 321. 11. Driver Side Engine Compartment . Always dispose of engine oil 2. Engine Coolant Surge Tank and Fuse Block. See Engine properly. See “What to Do with Pressure Cap. See Cooling System Compartment Fuse Block 0 321. Used Oil” in this section. 0 305. 12. Remote Negative (-) Battery Checking Engine Oil 3. Passenger Side Engine Air Terminal. See Jump Starting - Cleaner/Filter. See Engine Air North America 0 364. Check the engine oil level regularly, Cleaner/Filter 0 302. every 650 km (400 mi), especially prior Engine Oil to a long trip. The engine oil dipstick 4. Engine Oil Fill Cap. See Engine Oil handle is a loop. See Engine 0 297. To ensure proper engine performance Compartment Overview 0 290 for the 5. Engine Oil Dipstick. See Engine and long life, careful attention must location. Oil 0 297. be paid to engine oil. Following these simple, but important steps will help { Warning 6. Engine Cooling Fan (Out of protect your investment: View). See Cooling System 0 305. . Use engine oil approved to the The engine oil dipstick handle may 7. Driver Side Engine Air Cleaner/ proper specification and of the be hot; it could burn you. Use a Filter. See Engine Air Cleaner/ towel or glove to touch the dipstick 0 proper viscosity grade. See Filter 302. “Selecting the Right Engine Oil” in handle. 8. Remote Positive (+) Battery this section. Terminal. See Jump Starting - If a low oil Driver Information Center 0 . Check the engine oil level regularly North America 364. and maintain the proper oil level. (DIC) message displays, check the oil 9. Brake Fluid Reservoir. See Brake See “Checking Engine Oil” and level. Fluid 0 313. “When to Add Engine Oil” later in this section. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

298 VEHICLE CARE Follow these guidelines: When to Add Engine Oil Caution . To get an accurate reading, park the vehicle on level ground. Check Do not add too much oil. Oil levels the engine oil level after the above or below the acceptable engine has been off for at least operating range shown on the two hours. Checking the engine oil dipstick are harmful to the engine. level on steep grades or too soon If the oil level is above the after engine shutoff can result in 2.0L L4 Turbo (LSY) and 4.2L V8 Twin operating range (i.e., the engine has incorrect readings. Accuracy Turbo (LTA) Engines so much oil that the oil level gets improves when checking a cold above the cross-hatched area that engine prior to starting. Remove the dipstick and check the level. shows the proper operating range), the engine could be damaged. Drain . If unable to wait two hours, the the excess oil or limit driving of the engine must be off for at least vehicle, and seek a service 15 minutes if the engine is warm, professional to remove the or at least 30 minutes if the excess oil. engine is not warm. Pull out the 3.0L V6 Twin Turbo (LGW) and 3.6L dipstick, wipe it with a clean paper V6 (LGX) Engines towel or cloth, then push it back If the oil is below the cross-hatched See Engine Compartment Overview in all the way. Remove it again, area at the tip of the dipstick and the 0 290 for the location of the engine oil keeping the tip down, and check engine has been off for at least fill cap. the level. 15 minutes, add 1 L (1 qt) of the Add enough oil to put the level recommended oil and then recheck somewhere in the proper operating the level. See “Selecting the Right range. Push the dipstick all the way Engine Oil” later in this section for an back in when through. explanation of what kind of oil to use. For engine oil crankcase capacity, see Capacities and Specifications 0 393. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

VEHICLE CARE 299 Selecting the Right Engine Oil Viscosity Grade Specification (Except 4.2L V8 Twin Turbo Except the 2.0L L4 Turbo (LSY) Use engine oils that meet the dexos2 (LTA) Engine) engine, use SAE 5W-30 viscosity grade specification. Selecting the right engine oil depends engine oil. Cold Temperature Engine oils that have been approved on both the proper oil specification Operation: In an area of extreme cold, by GM as meeting the dexos2 and viscosity grade. See Recommended where the temperature falls below − − specification are marked with the Fluids and Lubricants 0 388. 29 °C ( 20 °F), an SAE 0W-30 oil may dexos2 approved logo. be used. An oil of this viscosity grade Specification will provide easier cold starting for the Use full synthetic engine oils that engine at extremely low temperatures. meet the dexos1 specification. Engine For the 2.0L L4 Turbo (LSY) engine, oils that have been approved by GM use SAE 0W-20 viscosity grade as meeting the dexos1 specification engine oil. are marked with the dexos1 approved logo. See www.gmdexos.com. When selecting an oil of the appropriate viscosity grade, it is recommended to select an oil of the Caution correct specification. See “Specification” earlier in this section. Failure to use the recommended engine oil or equivalent can result Selecting the Right Engine Oil in engine damage not covered by (4.2L V8 Twin Turbo (LTA) the vehicle warranty. Engine) Caution Selecting the right engine oil depends Viscosity Grade on both the proper oil specification Use SAE 0W-40 viscosity grade Failure to use the recommended and viscosity grade. See Recommended 0 engine oil. engine oil or equivalent can result Fluids and Lubricants 388. in engine damage not covered by the vehicle warranty. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

300 VEHICLE CARE When selecting an oil of the containing used engine oil. See the When the system has calculated that appropriate viscosity grade, it is manufacturer's warnings about the oil life has been diminished, it recommended to select an oil of the use and disposal of oil products. indicates that an oil change is correct specification. See Used oil can be a threat to the necessary. A CHANGE ENGINE OIL “ ” Specification earlier in this section. environment. If you change your own SOON message comes on. Change the oil, be sure to drain all the oil from oil as soon as possible within the next Engine Oil Additives/Engine Oil 1 000 km (600 mi). It is possible that, Flushes the filter before disposal. Never dispose of oil by putting it in the trash if driving under the best conditions, Do not add anything to the oil. The or pouring it on the ground, into the oil life system might indicate that recommended oils meeting the dexos sewers, or into streams or bodies of an oil change is not necessary for up specification are all that is needed for water. Recycle it by taking it to a place to a year. The engine oil and filter good performance and engine that collects used oil. must be changed at least once a year protection. and at this time the system must be reset. Your dealer has trained service Engine oil system flushes are not Engine Oil Life System people who will perform this work and recommended and could cause engine When to Change Engine Oil reset the system. It is also important damage not covered by the vehicle to check the oil regularly over the warranty. This vehicle has a computer system course of an oil drain interval and What to Do with Used Oil that indicates when to change the keep it at the proper level. engine oil and filter. This is based on a Used engine oil contains certain combination of factors which include If the system is ever reset accidentally, elements that can be unhealthy for engine revolutions, engine the oil must be changed at 5 000 km your skin and could even cause temperature, and miles driven. Based (3,000 mi) since the last oil change. cancer. Do not let used oil stay on on driving conditions, the mileage at Remember to reset the oil life system your skin for very long. Clean your which an oil change is indicated can whenever the oil is changed. skin and nails with soap and water, vary considerably. For the oil life or a good hand cleaner. Wash or system to work properly, the system properly dispose of clothing or rags must be reset every time the oil is changed. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

VEHICLE CARE 301 How to Reset the Engine Oil Life 2. Fully press and release the The vehicle is not equipped with a System accelerator pedal three times transmission fluid level dipstick. within five seconds. There is a special procedure for Reset the system whenever the engine If the CHANGE ENGINE OIL checking and changing the oil is changed so that the system can transmission fluid. Because this calculate the next engine oil change. SOON message is not on, the system is reset. procedure is difficult, this should be To reset the system: done at the dealer. Contact your dealer 1. Using the DIC buttons, display The system is reset when the for additional information. REMAINING OIL LIFE on the CHANGE ENGINE OIL SOON message DIC. See Driver Information Center is off. Caution 0 (DIC) 149. If the CHANGE ENGINE OIL SOON 2. Press and hold SEL to clear the message comes back on when the Use of the incorrect automatic CHANGE ENGINE OIL SOON vehicle is started, the engine oil life transmission fluid may damage the message and reset the oil life system has not been reset. Repeat the vehicle, and the damage may not be at 100%. procedure. covered by the vehicle warranty. Always use the correct automatic Be careful not to reset the oil life Automatic Transmission transmission fluid. See display accidentally at any time Recommended Fluids and Lubricants other than after the oil is Fluid 0 388. changed. It cannot be reset How to Check Automatic accurately until the next oil change. Transmission Fluid Change the fluid and filter at the It is not necessary to check the intervals listed in Maintenance The oil life system can also be reset as 0 follows: transmission fluid level. Schedule 379, and be sure to use the A transmission fluid leak is the only fluid listed in Recommended Fluids and 1. Using the DIC buttons, display reason for fluid loss. If a leak occurs, Lubricants 0 388. REMAINING OIL LIFE on the take the vehicle to your dealer and DIC. See Driver Information Center have it repaired as soon as possible. (DIC) 0 149. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

302 VEHICLE CARE Engine Air Filter Life How to Reset Engine Air Filter When to Inspect the Engine Air System Life System Cleaner/Filter . If equipped, this feature provides an Reset the system whenever the engine For intervals on changing and air filter is replaced so that the system inspecting the engine air filter, see indication of when to change the 0 engine air filter. It is based on driving can calculate the next engine air filter Maintenance Schedule 379. conditions, which can cause when to change. . If equipped with Engine Air Filter change to vary greatly. It is possible To reset: Life System, see Engine Air Filter 0 an air filter change may not be 1. Place the vehicle in P (Park). Life System 302. indicated for up to four years. . 2. Select Engine Air Filter Life on If driving in very dusty areas, When to Change Engine Air the DIC menu. See Driver follow the engine air filter Filter Information Center (DIC) 0 149. inspecting and changing intervals, see Maintenance Schedule 0 379. Replace the engine air filter when the 3. Press to move to the Reset/ p How to Inspect the Engine Air REPLACE NOW message displays on Disable display area. Select Reset the Driver Information Center (DIC). then press SEL. Then press Yes Cleaner/Filter This should be done as soon as to confirm the reset. Do not start the engine or have the possible within the next 1 000 km engine running with the engine air (600 mi) or at the next oil change, 4. 100% Air Filter Life will be displayed when the Engine Air cleaner/filter housing open. Before depending on the DIC message. The removing the engine air cleaner/filter, system must be reset after the engine Filter Life System is successfully reset. make sure that the engine air cleaner/ air filter is changed. See your dealer filter housing and nearby components for service and to reset the system. Engine Air Cleaner/Filter are free of dirt and debris. Remove the When a REPLACE AT NEXT OIL engine air cleaner/filter. Lightly tap CHANGE message displays, this The engine air cleaner/filter is in the and shake the engine air cleaner/filter indicates that the engine air filter engine compartment. See Engine (away from the vehicle), to release change is necessary at the next engine Compartment Overview 0 290. loose dust and dirt. Inspect the engine oil change. air cleaner/filter for damage, and replace if damaged. Do not clean the Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

VEHICLE CARE 303 engine air cleaner/filter or 5. Reverse Steps 1–3 to reinstall the components with water or engine air cleaner/filter cover. compressed air. To inspect or replace the engine air cleaner/filter:

3.6L V6 Engine

1. Screws (6) 3.0L V6 Engine 2. Bolts (3) 1. Remove the 10 screws on top of 3. Diagonal Brace the engine air cleaner/filter cover 2.0L L4 Engine to gain access to both air 1. Remove the three bolts (2) and the diagonal brace (3). 1. Remove the six screws on top of cleaners/filters. the engine air cleaner/filter cover. 2. Lift the engine air cleaner/filter 2. Remove the six screws (1) on top cover open on the hinge. of the engine air cleaner/filter 2. Lift and slide the engine air cover. cleaner/filter cover open. 3. Lift and remove one or both engine air cleaner(s)/filter(s). 3. Lift the engine air cleaner/filter 3. Lift and remove the engine air cover open on the hinge. cleaner/filter. 4. Inspect or replace one or both engine air cleaner(s)/filter(s). 4. Lift and remove the engine air 4. Inspect or replace the engine air cleaner/filter. cleaner/filter. 5. Reverse Steps 1–3 to reinstall the engine air cleaner/filter cover. 5. Inspect or replace the engine air cleaner/filter. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

304 VEHICLE CARE 6. Reverse Steps 1–4 to reinstall the 4. Lift and remove the engine air 2. Remove the four screws (1) on engine air cleaner/filter cover cleaner/filter. top of the engine air cleaner/ and diagonal brace. 5. Inspect or replace the engine air filter cover. cleaner/filter. 3. Lift the engine air cleaner/filter 6. Reverse Steps 1–4 to reinstall the cover open on the hinge. engine air cleaner/filter cover 4. Lift and remove the engine air and diagonal brace. cleaner/filter. 5. Inspect or replace the engine air cleaner/filter. 6. Reverse Steps 1–4 to reinstall the engine air cleaner/filter cover and diagonal brace.

{ Warning 4.2L V8 Engine (Driver Side) Operating the engine with the air 1. Diagonal Brace cleaner/filter off can cause you or 2. Bolts (3) others to be burned. Use caution 3. Screws (4) when working on the engine. Do 4.2L V8 Engine (Passenger Side) 1. Remove the three bolts (2) and not start the engine or drive the the diagonal brace (1). 1. Screws (4) vehicle with the air cleaner/filter 2. Remove the four screws (3) on 2. Bolts (3) off, as flames may be present if the top of the engine air cleaner/ 3. Diagonal Brace engine backfires. filter cover. 1. Remove the three bolts (2) and 3. Lift the engine air cleaner/filter the diagonal brace (3). cover open on the hinge. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

VEHICLE CARE 305 1. Engine Coolant Surge Tank Caution and Pressure Cap (Under Cover) If the air cleaner/filter is off, dirt 2. Engine Cooling Fan (Out can easily get into the engine, of View) which could damage it. Always have the air cleaner/filter in place when driving.

Cooling System The cooling system allows the engine to maintain the correct working 3.6L V6 Engine temperature. 1. Engine Coolant Surge Tank and Pressure Cap (Under Cover) 3.0L V6 Engine 2. Engine Cooling Fan (Out of View) 1. Engine Coolant Surge Tank and Pressure Cap 2. Engine Cooling Fan (Out of View)

2.0L L4 Engine Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

306 VEHICLE CARE If the coolant inside the coolant surge Engine Coolant tank is boiling, do not do anything The engine cooling system in the else until it cools down. The vehicle vehicle is filled with a DEX-COOL should be parked on a level surface. engine coolant mixture. This coolant The coolant level should be at the needs to be checked and replaced at cold fill mark on the middle of the appropriate intervals. See Maintenance tank. If it is not, the vehicle may have Schedule 0 379. a leak at the radiator hoses, heater The following explains the cooling hoses, radiator, water pump, system and how to check and add or somewhere else in the cooling coolant when it is low. If there is a system. problem with engine overheating, see Engine Overheating 0 310. 4.2L V8 Engine { Warning What to Use 1. Engine Coolant Surge Tank Do not touch heater or radiator and Pressure Cap (Under hoses, or other engine parts. They Cover) { Warning can be very hot and can burn you. 2. Engine Cooling Fan (Out Do not run the engine if there is a Plain water, or other liquids such as of View) leak; all coolant could leak out. alcohol, can boil before the proper That could cause an engine fire and coolant mixture will. With plain { Warning can burn you. Fix any leak before water or the wrong mixture, the An underhood electric fan can start driving the vehicle. engine could get too hot but there up even when the engine is not would not be an overheat warning. running and can cause injury. Keep If there seems to be no leak, with the The engine could catch fire and you hands, clothing, and tools away engine on, check to see if the electric or others could be burned. from any underhood electric fan. cooling fan is running. If the engine is overheating, the fan should be running. If it is not, the vehicle needs service. Turn off the engine. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

VEHICLE CARE 307 Use a 50/50 mixture of clean, Never dispose of engine coolant by drinkable water and DEX-COOL putting it in the trash, pouring it on coolant. If using this mixture, nothing the ground, or into sewers, streams, else needs to be added. This mixture: or bodies of water. Have the coolant . Gives freezing protection down to changed by an authorized service −37 °C (−34 °F), outside center, familiar with legal temperature. requirements regarding used coolant disposal. This will help protect the . Gives boiling protection up to environment and your health. 129 °C (265 °F), engine temperature. Checking Coolant . Protects against rust and The vehicle must be on a level surface corrosion. when checking the coolant level. 2.0L L4, 3.6L V6, and 4.2L V8 Engine Coolant Surge Tank . Will not damage aluminum parts. The coolant surge tank is in the . Helps keep the proper engine engine compartment on the passenger temperature. side of the vehicle. See Engine Compartment Overview 0 290. Caution Check to see if coolant is visible in the Do not use anything other than a coolant surge tank. If the coolant mix of DEX-COOL coolant that inside the coolant surge tank is meets GM Standard GMW3420 and boiling, do not do anything else until clean, drinkable water. Anything it cools down. See Engine Overheating 0 else can cause damage to the 310. engine cooling system and the 3.0L V6 Engine Coolant Surge Tank vehicle, which would not be covered by the vehicle warranty. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

308 VEHICLE CARE How to Add Coolant to the All Engines Except 2.0L L4 Coolant Surge Tank { Warning If no problem is found, check to see if Steam and scalding liquids from a coolant is visible in the coolant surge hot cooling system are under tank. If coolant is visible but not at or pressure. Turning the pressure cap, above the indicated mark, add a even a little, can cause them to 50/50 mixture of clean, drinkable come out at high speed and you water and DEX-COOL coolant. Be sure could be burned. Never turn the cap 1. Remove the coolant surge tank the cooling system, including the when the cooling system, including coolant surge tank pressure cap, is pressure cap when the cooling the pressure cap, is hot. Wait for system, including the coolant cool before this is done. See Engine the cooling system and pressure Overheating 0 310. surge tank pressure cap and cap to cool. upper radiator hose, is no { Warning longer hot. Turn the pressure cap slowly Spilling coolant on hot engine parts Caution counterclockwise about can burn you. Coolant contains one-quarter of a turn. If you hear ethylene glycol and it will burn if Failure to follow the specific a hiss, wait for that to stop. This the engine parts are hot enough. coolant fill procedure could cause will allow any pressure still left the engine to overheat and could to be vented out the cause system damage. If coolant is discharge hose. not visible in the surge tank, 2. Keep turning the pressure cap contact your dealer. slowly and remove it. 3. Fill the coolant surge tank with the proper mixture to the indicated level mark. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

VEHICLE CARE 309 4. With the coolant surge tank 4. Turn the ignition to Service pressure cap off, start the engine Caution Mode. See Ignition Positions and let it run until you can feel 0 200. If the pressure cap is not tightly the upper radiator hose getting 5. Turn off the air conditioning. hot. Watch out for the engine installed, coolant loss and engine cooling fan. damage may occur. Be sure the cap 6. Set the parking brake. is properly and tightly secured. By this time, the coolant level 7. At the same time, press the inside the coolant surge tank accelerator and the brake for may be lower. If the level is 2.0L L4 Engine Only - Automatic two seconds, then release. lower, add more of the proper Coolant Service Fill Instructions At the end of the cycle, check the mixture to the coolant surge If equipped, this feature assists in coolant level in the surge tank and tank until the level reaches the filling and removing air from the add coolant if it is low. Turn off the indicated level mark. cooling system after service of vehicle, allow the Electronic Control 5. Replace the pressure cap tightly. components or when coolant is added Module (ECM) to go to sleep, about 2 minutes, and repeat Steps 4-7. 6. Verify coolant level after the after being too low. engine is shut off and the To activate the fill and air removal Listen for pump activation and coolant is cold. If necessary, process: movement of the control valves while repeat coolant fill procedure watching the level of the coolant in 1. With a cold system, add coolant Steps 1–6. the surge tank. If the tank empties, to the COLD FILL mark on the turn the ignition off, carefully remove If the coolant still is not at the surge tank. the surge tank cap, refill to the COLD proper level when the system 2. Replace the cap on the FILL mark, and repeat Steps 4-7. The cools down again, see your surge tank. fill and air removal process will run dealer. for approximately 10 minutes. 3. Connect the vehicle to a battery charger. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

310 VEHICLE CARE Engine Overheating If No Steam Is Coming from the Caution Engine Compartment The vehicle has several indicators to warn of the engine overheating. Do not run the engine if there is a If an engine overheat warning is leak in the engine cooling system. displayed but no steam can be seen or There is an engine coolant This can cause a loss of all coolant heard, the problem may not be too temperature gauge and an engine serious. Sometimes the engine can get coolant temperature warning light on and can damage the system and a little too hot when the vehicle: the instrument cluster. See Engine vehicle. Have any leaks fixed Coolant Temperature Gauge 0 135 and right away. . Climbs a long hill on a hot day Engine Coolant Temperature Warning . Stops after high-speed driving Light 0 146. The vehicle may also If Steam Is Coming from the . Idles for long periods in traffic display a message on the Driver Engine Compartment Information Center (DIC). If the overheat warning is displayed If the decision is made not to lift the { Warning with no sign of steam: hood when this warning appears, get 1. Turn the air conditioning off. service help right away. See Roadside Steam and scalding liquids from a 2. Turn the heater on to the highest Service 0 401. hot cooling system are under temperature and to the highest If the decision is made to lift the pressure. Turning the pressure cap, fan speed. Open the windows as hood, make sure the vehicle is parked even a little, can cause them to necessary. on a level surface. Then check to see if come out at high speed and you the engine cooling fan is running. could be burned. Never turn the cap 3. When it is safe to do so, pull off If the engine is overheating, the fan when the cooling system, including the road, shift to P (Park) or should be running. If it is not, do not the pressure cap, is hot. Wait for N (Neutral), and let the continue to run the engine. Have the the cooling system and pressure engine idle. vehicle serviced. cap to cool. If the engine coolant temperature gauge is no longer in the overheated area or the engine coolant temperature warning light no longer displays, the vehicle can be driven. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

VEHICLE CARE 311 Continue to drive the vehicle slowly Adding Washer Fluid for about 10 minutes. Keep a safe Caution (Continued) distance from the vehicle in front. . If the warning does not come back on, Do not mix water with continue to drive normally and have ready-to-use washer fluid. the cooling system checked for proper Water can cause the solution fill and function. to freeze and damage the washer fluid tank and other If the warning continues, pull over, parts of the washer system. stop, and park the vehicle right away. Open the cap with the washer symbol . When using concentrated on it. Add washer fluid until the tank If there is no sign of steam, idle the washer fluid, follow the is full. See Engine Compartment engine for three minutes while parked. manufacturer instructions for Overview 0 290 for reservoir location. If the warning is still displayed, turn adding water. off the engine until it cools down. Caution . Fill the washer fluid tank only Washer Fluid three-quarters full when it is . Do not use washer fluid that very cold. This allows for What to Use contains any type of water fluid expansion if freezing repellent coating. This can occurs, which could damage When windshield washer fluid is cause the wiper blades to the tank if it is needed, be sure to read the chatter or skip. completely full. manufacturer's instructions before use. If operating the vehicle in an area . Do not use engine coolant where the temperature may fall below (antifreeze) in the windshield Brakes freezing, use a fluid that has sufficient washer. It can damage the Disc brake pads have built-in wear protection against freezing. windshield washer system and paint. indicators that make a high-pitched warning sound when the brake pads (Continued) are worn and new pads are needed. The sound can come and go or can be Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

312 VEHICLE CARE heard all the time when the vehicle is inspect brake pads for wear and Antilock Brake System (ABS) and the moving, except when applying the evenly tighten wheel nuts in the Brake Assist system to aid the driver brake pedal firmly. proper sequence to torque during various braking situations. See specifications. See Capacities and Antilock Brake System (ABS) 0 215. { Warning Specifications 0 393. Brake pads should always be replaced Brake Pad Life System The brake wear warning sound as complete axle sets. means that soon the brakes will not When to Change Brake Pads work well. That could lead to a Brake Pedal Travel If equipped, this system estimates the crash. When the brake wear See your dealer if the brake pedal does remaining life of the front and rear warning sound is heard, have the not return to normal height, or if brake pads. Brake pad life is displayed vehicle serviced. there is a rapid increase in pedal in the Driver Information Center travel. This could be a sign that brake (DIC), along with a percentage for service may be required. each axle. The system must be reset every time the brake pads are Caution Replacing Brake System Parts changed. Continuing to drive with worn-out Always replace brake system parts When the system has determined that brake pads could result in costly with new, approved replacement parts. the brake pads need to be replaced, a brake repair. If this is not done, the brakes may not message will display, which may work properly. The braking include mileage remaining. performance expected can change in Brake pads should always be replaced Some driving conditions or climates many other ways if the wrong can cause a brake squeal when the replacement brake parts are installed as complete axle sets. brakes are first applied or lightly or if parts are improperly installed. How to Reset the Brake Pad Life applied. This does not mean System something is wrong with the brakes. Electric Brake Boost If equipped, this vehicle may have an The system will automatically detect Properly torqued wheel nuts are when significantly worn brake pads necessary to help prevent brake electrically boosted power braking system. The system works with the are replaced. When the ignition is pulsation. When tires are rotated, turned on after new pads and wear Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

VEHICLE CARE 313 sensors are installed, a message will are worn can still determine when the Checking Brake Fluid display. Follow the prompts to reset pads should be replaced. See Brakes 0 With the vehicle in P (Park) on a level the system. 311. surface, the brake fluid level should be The brake pad life system can also be To turn off the brake pad life system: between the minimum and maximum manually reset: 1. Display Brake Pad Life on the marks on the brake fluid reservoir. 1. Display Brake Pad Life on the DIC. See Driver Information Center There are only two reasons why the DIC. See Driver Information Center (DIC) 0 149. brake fluid level in the reservoir may 0 (DIC) 149. 2. Select DISABLE. go down: . 2. Press and hold SEL. Select front To turn the brake pad life system back Normal brake lining wear. When or rear pads as appropriate. on, follow the above steps but select new linings are installed, the fluid 3. Select YES on the confirmation ENABLE in Step 2. level goes back up. message. Repeat for pads on the . A fluid leak in the brake hydraulic other axle if they were also Brake Fluid system. Have the brake hydraulic replaced. system fixed. With a leak, the brakes will not work well. How to Disable the Brake Pad Life System Always clean the brake fluid reservoir cap and the area around the cap The brake pad life system can be before removing it. turned off. This may be necessary if aftermarket brake pads without wear Do not top off the brake fluid. Adding fluid does not correct a leak. If fluid is sensors are installed. When the The brake master cylinder reservoir is system is turned off, the front and added when the linings are worn, filled with GM approved DOT 3 brake there will be too much fluid when rear brake pad life percentages will fluid as indicated on the reservoir cap. not display. However, the built-in wear new brake linings are installed. Add or See Engine Compartment Overview remove fluid, as necessary, only when indicators that make a high-pitched 0 290 for the location of the reservoir. warning sound when the brake pads work is done on the brake hydraulic system. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

314 VEHICLE CARE What to Add The battery is in the trunk under the { Warning Use only GM approved DOT 3 brake spare tire. Refer to the replacement fluid from a clean, sealed container. number shown on the original battery If too much brake fluid is added, it label when a new 12-volt battery is can spill on the engine and burn, See Recommended Fluids and 0 needed. if the engine is hot enough. You or Lubricants 388. others could be burned, and the The vehicle has an Absorbed Glass vehicle could be damaged. Add { Warning Mat (AGM) 12-volt battery. brake fluid only when work is done Installation of a standard 12-volt battery will result in reduced 12-volt on the brake hydraulic system. The wrong or contaminated brake fluid could result in damage to the battery life. brake system. This could result in When using a 12-volt battery charger When the brake fluid falls to a low the loss of braking leading to a on the 12-volt AGM battery, some level, the brake warning light comes possible injury. Always use the chargers have an AGM battery setting on. See Brake System Warning Light proper GM approved brake fluid. on the charger. If available, use the (3.0L Twin Turbo and 3.6L V6 Engines) AGM setting on the charger, to limit 0 141 or Brake System Warning Light charge voltage to 14.8 volts. (2.0L L4 Turbo and 4.2L Twin Turbo V8 Engines) 0 141. Caution Stop/Start System Brake fluid absorbs water over time Vehicles equipped with a 2.0L LSY, If brake fluid is spilled on the which degrades the effectiveness of 3.0L LGW, 3.6L LGX, or 4.2L LTA the brake fluid. Replace brake fluid at vehicle's painted surfaces, the paint engine are equipped with a Stop/Start the specified intervals to prevent finish can be damaged. Immediately system to shut off the engine to help increased stopping distance. See wash off any painted surface. conserve fuel. See Stop/Start System Maintenance Schedule 0 379. 0 202. Battery - North America The original equipment battery is maintenance free. Do not remove the cap and do not add fluid. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

VEHICLE CARE 315 Vehicle Storage All-Wheel Drive { Warning If the vehicle is equipped with WARNING: Battery posts, { Warning All-Wheel Drive (AWD), this is an terminals, and related accessories additional system that needs Batteries have acid that can burn contain lead and lead compounds, lubrication. you and gas that can explode. You chemicals known to the State of can be badly hurt if you are not California to cause cancer and birth Transfer Case careful. See Jump Starting - North defects or other reproductive harm. When to Check Lubricant America 0 364 for tips on working Batteries also contain other around a battery without It is not necessary to regularly check chemicals known to the State of getting hurt. the transfer case fluid unless a leak is California to cause cancer. WASH suspected or an unusual noise is HANDS AFTER HANDLING. For heard. A fluid loss could indicate a more information go to Infrequent Usage: Remove the 12-volt − problem. Have it inspected and www.P65Warnings.ca.gov/ battery black, negative ( ) cable from repaired. passenger-vehicle. the battery to keep the battery from running down. See California Proposition 65 Warning Extended Storage: Remove the 12-volt 0 287 and the back cover. battery black, negative (−) cable from the battery or use a battery trickle charger. Remember to reconnect the battery when ready to drive the vehicle. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

316 VEHICLE CARE How to Check Lubricant What to Use Park Brake and P (Park) To determine what kind of lubricant Mechanism Check to use, see Recommended Fluids and 0 Lubricants 388. { Warning

Starter Switch Check When you are doing this check, the vehicle could begin to move. You or { Warning others could be injured and property could be damaged. Make When you are doing this inspection, sure there is room in front of the the vehicle could move suddenly. vehicle in case it begins to roll. Be If the vehicle moves, you or others ready to apply the regular brake at could be injured. once should the vehicle begin to move. 1. Fill Plug 1. Before starting this check, be 2. Drain Plug sure there is enough room Park on a fairly steep hill, with the To get an accurate reading, the vehicle around the vehicle. vehicle facing downhill. Keeping your should be on a level surface. 2. Firmly apply both the parking foot on the regular brake, set the If the level is below the bottom of the brake and the regular brake. Do parking brake. fill plug hole on the transfer case, not use the accelerator pedal, . To check the parking brake's some lubricant will need to be added. and be ready to turn off the holding ability: With the engine Add enough lubricant to raise the engine immediately if it starts. running and the transmission in level to the bottom of the fill plug 3. Try to start the engine in each N (Neutral), slowly remove foot hole. Use care not to overtighten the gear. The vehicle should start pressure from the regular brake fill plug. only in P (Park) or N (Neutral). pedal. Do this until the vehicle is If the vehicle starts in any other held by the parking brake only. position, contact your dealer for service. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

VEHICLE CARE 317 . To check the P (Park) mechanism's holding ability: With the engine Caution (Continued) running, shift to P (Park). Then release the parking brake followed windshield. Any damage that occurs by the regular brake. would not be covered by the vehicle warranty. Do not allow the wiper Contact your dealer if service is arm to touch the windshield. required. Wiper Blade Replacement 5. Reverse Steps 1–3 for wiper blade replacement. Windshield wiper blades should be inspected for wear or cracking. Windshield Replacement For the proper type and size, see 2. Lift up on the latch in the middle Head-Up Display (HUD) System Maintenance Replacement Parts 0 389. of the wiper blade where the To replace the wiper blade assembly: wiper arm attaches. The windshield is part of the HUD system. If the windshield must be 3. With the latch open, pull the 1. Pull the windshield wiper replaced, get one that is designed for assembly away from the wiper blade down toward the windshield far enough to release HUD or the HUD image may look out windshield. of focus. it from the J-hooked end of the wiper arm. Driver Assistance Systems 4. Remove the wiper blade. When a windshield replacement is needed and the vehicle is equipped Caution with a front-looking camera sensor for the Driver Assistance Systems, the Allowing the wiper arm to touch windshield must be installed the windshield when no wiper blade according to GM specifications for is installed could damage the these systems to work properly. If it is (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

318 VEHICLE CARE not, there may be unexpected behavior and/or messages from these Warning (Continued) systems. periodically. Check to make sure the Acoustic Windshield hood/trunk/liftgate is held open The vehicle is equipped with an with enough force. If struts are acoustic windshield. If the windshield failing to hold the hood/trunk/ needs to be replaced, be sure to get an liftgate, do not operate. Have the acoustic windshield so you will vehicle serviced. continue to have the benefits an acoustic windshield can provide. Caution Gas Strut(s) Hood This vehicle is equipped with gas Do not apply tape or hang any strut(s) to provide assistance in lifting objects from gas struts. Also do not and holding open the hood/trunk/ push down or pull on gas struts. liftgate system in full open position. This may cause damage to the vehicle. { Warning See Maintenance Schedule 0 379. If the gas struts that hold open the hood, trunk, and/or liftgate fail, you or others could be seriously injured. Take the vehicle to your dealer for service immediately. Visually inspect the gas struts for signs of Trunk wear, cracks, or other damage (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

VEHICLE CARE 319 Headlamp Aiming Bulb Replacement Headlamp aim has been preset and For the proper type of replacement should need no further adjustment. bulbs, or any bulb changing procedure If the vehicle is damaged in a crash, not listed in this section, contact your the headlamp aim may be affected. dealer. If adjustment to the headlamps is necessary, see your dealer. Caution Do not replace incandescent bulbs with aftermarket LED replacement bulbs. This can cause damage to Liftgate the vehicle electrical system.

LED Lighting This vehicle has several LED lamps. For replacement of any LED lighting assembly, contact your dealer. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

320 VEHICLE CARE Electrical System Headlamp Wiring Although the circuit is protected from electrical overload, overload due to An electrical overload may cause the heavy snow or ice may cause wiper lamps to go on and off, or in some Electrical System Overload linkage damage. Always clear ice and cases to remain off. Have the heavy snow from the windshield The vehicle has fuses and circuit headlamp wiring checked right away if before using the windshield wipers. breakers to protect against an the lamps go on and off or remain off. electrical system overload. If the overload is caused by an When the current electrical load is too Windshield Wipers electrical problem and not snow or heavy, the circuit breaker opens and If the wiper motor overheats due to ice, be sure to get it fixed. closes, protecting the circuit until the heavy snow or ice, the windshield current load returns to normal or the wipers will stop. Wiper function is Fuses and Circuit Breakers problem is fixed. This greatly reduces available immediately after the wiper The wiring circuits in the vehicle are the chance of circuit overload and fire switch is set to off, and back to on. protected from short circuits by a caused by electrical problems. To protect the wiper motor from combination of fuses and circuit Fuses and circuit breakers protect overheating, the wipers may slow breakers. This greatly reduces the power devices in the vehicle. down when the windshield is dry for a chance of damage caused by electrical Replace a bad fuse with a new one of long period of time. If a period of dry problems. the identical size and rating. operation, or little moisture, exceeds 10 minutes, the wipers may switch to If there is a problem on the road and intermittent operation, and remain a fuse needs to be replaced, the there. When moisture is again same amperage fuse can be borrowed. detected on the windshield, wiper Choose some feature of the vehicle operation will return to the operator that is not needed to use and replace selected speed. it as soon as possible. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

VEHICLE CARE 321 Engine Compartment Fuse The vehicle may not be equipped with { Danger Block all of the fuses and relays shown. Fuses and circuit breakers are 2.0L, 3.0L and 3.6L Engines marked with their ampere rating. Caution This fuse block is on the driver side of Do not exceed the Spilling liquid on any electrical the engine compartment. specified amperage rating when component on the vehicle may replacing fuses and circuit breakers. damage it. Always keep the covers Use of an oversized fuse or circuit on any electrical component. breaker can result in a vehicle fire. You and others could be seriously injured or killed.

To check a fuse, look at the silver-colored band inside the fuse. If the band is broken or melted, replace the fuse. Be sure to replace a bad fuse with a new one of the identical size and rating. Fuses of the same amperage can be Lift the fuse block cover to access the temporarily borrowed from another fuses. fuse location, if a fuse goes out. Replace the fuse as soon as possible. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

322 VEHICLE CARE

Fuses Usage 5 Transfer case control/ Transmission control module ignition 6 – 7 Starter motor 8 Starter pinion 9 Horn 10 – 11 – 12 – 13 High-beam headlamps left/right 18 Right cornering LED 21 Air conditioning clutch 22 Transmission auxiliary oil pump cooling 23 – 24 Cabin heater pump 26 Engine control module Fuses Usage Fuses Usage ignition 1 – 3 – 27 Steering column lock 2 – 4 – ignition Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

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Fuses Usage Fuses Usage Fuses Usage 28 Rear heated seats 40 Electric brake control 59 – ignition module1/Instrument 60 Antilock brake system 29 Front heated seats cluster/central gateway pump/Electric brake ignition module ignition control module – 1 – 30 – 41 61 Front wiper 31 Headlamp/Daytime 42 Fuel tank zone module/ 62 Headlamp leveling Ignition running lamps/Right 63 – headlamp 43 Heated steering wheel 64 – 32 – module/Reflective light aux display/HVAC IGN/ 66 Transfer case control – 33 Automatic occupant module – sensing display 34 67 – 44 Aeroshutter 35 Engine control module 68 – ignition – 2 45 Washer 69 – 36 Engine control module 46 Front short range radar ignition – 1 sensors 70 – 37 Coolant pump/Ignition 47 Left cornering LED 71 Antilock brake system coils – odd valve 54 – 38 Ignition coils – even/ 72 – 55 – Non walk 2 73 – – 39 Non walk 56 57 – 58 – Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

324 VEHICLE CARE

Relays Usage 4.2L Engine Lift the fuse block cover to access the fuses. 14 Air conditioning The 4.2L engine has an underhood control fuse block on each side of the engine The vehicle may not be equipped with compartment. all of the fuses and relays shown. 15 Starter motor 16 Starter pinion Caution 17 Run/Crank Spilling liquid on any electrical 19 – component on the vehicle may 20 High-beam headlamp damage it. Always keep the covers on any electrical component. 25 Cabin heater pump 48 – 49 – 50 Engine control module Driver Side Fuse Block 51 Wiper speed 52 Wiper control 53 Headlamp control 65 – Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

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Fuses Usage F11 Transmission control/ Transfer case control module ignition F12 – F13 Front heated seats ignition F14 Exhaust valve solenoid F15 Rear heated seats ignition F16 Fuel tank zone module ignition F17 – F18 – F19 – Fuses Usage Fuses Usage F20 – F1 – F7 Front wiper F21 Heated steering wheel F2 – F8 – module/Reflective light F3 – F9 Instrument cluster/ aux display/HVAC IGN/ Automatic occupant F4 – Electric brake control module 1/Central sensing display F5 High-beam headlamps gateway module F22 Electric steering left/right ignition column lock ignition F6 – F10 – F23 Washer Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

326 VEHICLE CARE

Fuses Usage The 8-cylinder engine has an Lift the fuse block cover to access the underhood fuse block on each side of fuses. F24 Left cornering LED the engine compartment. The vehicle may not be equipped with F25 – all of the fuses and relays shown. F26 – F27 – Caution F28 – Spilling liquid on any electrical F29 Electric brake control component on the vehicle may module – 1 damage it. Always keep the covers on any electrical component. Relays Usage R1 – R2 – Passenger Side Fuse Block R3 – R4 High-beam headlamp R5 Wiper control R6 Wiper speed R7 Run/Crank R8 – Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

VEHICLE CARE 327

Fuses Usage F11 Automatic headlamp leveling F12 Starter motor F13 Starter pinion F14 – F15 – F16 – F17 Cabin heater pump F18 Transmission auxiliary oil pump cooling F19 Engine control module ignition Fuses Usage Fuses Usage F20 Non walk F1 Electric brake control F6 Front short range F21 Ignition coils – even/ module – 2 radar sensors Non walk – 2 F2 – F7 Horn F22 Engine control module ignition – 1 F3 Headlamp/Daytime F8 Air conditioning running lamps clutch F23 Transfer case control module F4 Right cornering LED F9 – F24 – F5 – F10 – F25 Ignition coils – odd Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

328 VEHICLE CARE

Fuses Usage Instrument Panel Fuse F26 Charge air Block coolant pump The instrument panel fuse block is F27 Engine control behind the driver side instrument module ignition – 2 panel storage compartment. F28 – F29 –

Relays Usage R1 Headlamp/Daytime running lamps Apply pressure to the two retaining tabs on the sides of the compartment, R2 Air conditioning until the two retaining tabs clear the control sides of the instrument panel. Allow R3 Starter motor the compartment to move downward, and out of the way. R4 Starter pinion To reinstall the compartment, reverse R5 Cabin heater pump The storage compartment has a press the steps. R6 Engine control to open latch. To access the fuses, The vehicle may not be equipped with module open the compartment by pressing and releasing near the top center all of the fuses shown. R7 – square. R8 – Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

VEHICLE CARE 329

Fuses Usage F11 Body control module 3 F12 Data link connector F13 – F14 Electronic shifter F15 Front camera F16 Display F17 Heating, ventilation, and air conditioning control F18 OnStar F19 – F20 – F21 Traction power Fuses Usage Fuses Usage inverter 2 F1 Auxiliary power outlet F6 Electric steering F22 – front console column lock F23 Central gateway F2 Visor F7 Glove box door module F3 Front blower F8 Front heated seat F24 Center stack module/ F4 Body control module 8 module Infotainment F5 Power steering column F9 Sensing and diagnostic F25 Video processing module module night vision F10 Body control module 4 F26 Steering wheel controls Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

330 VEHICLE CARE

Fuses Usage F27 USB charge port F28 Wireless charger F29 – F30 Speaker Rear Compartment Fuse Block

Vehicles without Super Cruise Fuses Usage F01 – Fuses Usage F02 Auxiliary trunk power F07 Body control module 7 outlet F08 Passenger/Rear seat adjustment switch The rear compartment fuse block is F03 Left window behind a cover on the passenger side. F04 – F09 Passive entry/Passive start battery The vehicle may not be equipped with F05 Canister vent all of the fuses, relays, and features F10 Rear subwoofer shown. F06 Right rear memory seat Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

VEHICLE CARE 331

Fuses Usage Fuses Usage Fuses Usage F11 Left front memory seat F24 – F40 – module F25 Left front motorized F41 Rear seat auxiliary F12 – seat belt pretensioner power outlet F13 – F26 Rear defogger F42 Left rear memory seat F14 Rear seat memory/ F27 Right front subwoofer F43 – Heated F28 Amplifier F44 Rear closure release F15 Left front subwoofer F29 Sunroof switch/Liftgate module/ Integrated chassis F16 Right front F30 Body control module 2 memory seat control module battery F31 Body control module 6 F17 Rear heated seat F45 Auxiliary audio/Video F32 Exterior heated mirrors F18 Regulated voltage F46 External object control battery F33 Right window calculating module/ Side blind zone alert/ F19 Driver passenger door F34 Power trunk module Rear center short range window/Mirror/Driver F35 On-board charging radar sensor/Long seat adjustment/Fuel module range radar sensors door switch F36 Pedestrian friendly F47 – F20 Electric brake control alert function – module – 2 F48 F37 – F21 Vehicle integration F49 Memory bolster control module F38 Rear blower module F22 – F39 Fuel pump power F50 Body control module 1 module/Fuel tank zone F23 Rear closure latch F51 Transmission control module module Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

332 VEHICLE CARE

Fuses Usage Fuses Usage Fuses Usage F52 Park assist F64 Engine control module F73 – F53 Ventilated seats ignition F74 – F54 Headliner F65 Rear window sunshade F75 – F55 Front memory seat F66 Rear vision camera/ module Rearview mirror Relays Usage F56 Evaporative emissions F67 Run/Crank misc/Air R1 Rear seat auxiliary leak check module/Rear quality sensor/ power outlet HVAC display Integrated chassis control module/ R2 Spare F57 Voltage current Electronic shifter/DC R3 Run/Crank temperature module DC converter F58 – F68 Damping control F59 Engine control module module battery F69 Television tuner F60 Right front motorized module seat belt pretensioner F70 – F61 – F71 – F62 – F72 – F63 Rear seat infotainment module Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

VEHICLE CARE 333

Fuses Usage F08 Driver memory seat module F09 Column friction device F10 Left headlamp F11 – F12 – F13 Left front subwoofer F14 Rear blower F15 Left window F16 Canister vent F17 Rear seat memory/ Heated Vehicles with Super Cruise F18 Rear subwoofer Fuses Usage Fuses Usage F19 Damping control F01 – module F05 – F02 Body control module F20 – 2 and 4 F06 – F21 Electric brake control F03 Left rear external F07 Left front and right module - 2 object calculating rear short range radar module sensor/Camera image F22 – F04 Steering wheel display processing module F23 Left front motorized touch sensor seat belt pretensioner Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

334 VEHICLE CARE

Fuses Usage Fuses Usage Fuses Usage F24 Body control module 7 F39 Rear seat infotainment F55 – F25 Passive entry/Passive module F56 Rear closure release start battery F40 – switch/Liftgate module F26 Rear closure latch F41 – F57 Rear left and rear F27 Amplifier F42 – center short range radar sensors/Long F28 Rear defogger F43 Power trunk module range radar sensors/ F29 Park assist module F44 Right front Right rear external memory seat object calculating F30 Body control module 1 module F45 – F31 Driver monitoring F58 Auxiliary audio/Video system F46 Right window F59 – F32 Driver passenger door F47 Engine control module window/Mirror/Driver battery F60 Memory bolster module seat adjustment/Fuel F48 Right front subwoofer door switch F61 – F49 Body control module 6 F33 Passenger/Rear seat F62 Ventilated seat adjustment switch F50 – F63 Headliner F34 Left front memory seat F51 – F64 Passenger memory seat F35 Right rear memory seat F52 Fuel pump power module module/Fuel tank zone F36 External heated mirror module F65 Right front short range F37 – radar sensor/Advance F53 Rear seat auxiliary driver assist map F38 Transmission control power outlet module F54 Left rear memory seat Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

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Fuses Usage Fuses Usage Wheels and Tires F66 Television tuner F78 Rear HVAC display Tires module F79 – – F67 F80 – Every new GM vehicle has F68 – high-quality tires made by a F81 – leading tire manufacturer. See the – F69 F82 – warranty manual for information F70 Right front motorized F83 – regarding the tire warranty and seat belt pretensioner where to get service. For F84 – F71 Rear heated seat additional information refer to the module F85 – tire manufacturer. F72 Sunroof F86 – { Warning F73 Rear vision camera/ F87 – Rearview mirror/Air . Poorly maintained and quality sensor Relays Usage improperly used tires are F74 Rear window sunshade R01 Rear seat auxiliary dangerous. power outlet F75 Engine control module . Overloading the tires can ignition R02 Spare cause overheating as a F76 Misc run crank/Energy R03 Run/Crank result of too much flexing. storage control module/ There could be a blowout DC DC converter/Rear and a serious crash. See external object Vehicle Load Limits 0 195. calculating module (Continued) F77 Trunk auxiliary power outlet Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

336 VEHICLE CARE All-Season Tires Warning (Continued) Warning (Continued) This vehicle may come with all-season . Underinflated tires pose . Replace any tires that have tires. These tires are designed to the same danger as been damaged by impacts provide good overall performance on overloaded tires. The with potholes, curbs, etc. most road surfaces and weather resulting crash could cause conditions. Original equipment tires . Improperly repaired tires designed to GM's specific tire serious injury. Check all can cause a crash. Only tires frequently to performance criteria have a TPC the dealer or an authorized specification code molded onto the maintain the tire service center should sidewall. Original equipment recommended pressure. repair, replace, dismount, all-season tires can be identified by Tire pressure should be and mount the tires. the last two characters of this TPC checked when the tires code, which will be “MS.” are cold. . Do not spin the tires in excess of 56 km/h Consider installing winter tires on the . Overinflated tires are more (35 mph) on slippery vehicle if frequent driving on snow or likely to be cut, punctured, ice-covered roads is expected. surfaces such as snow, All-season tires provide adequate or broken by a sudden mud, ice, etc. Excessive — performance for most winter driving impact such as when spinning may cause the hitting a pothole. Keep conditions, but they may not offer the tires to explode. same level of traction or performance tires at the recommended as winter tires on snow or ice-covered pressure. 0 See Tire Pressure for High-Speed roads. See Winter Tires 336. . Worn or old tires can 0 Operation 344 for inflation Winter Tires cause a crash. If the tread pressure adjustment for is badly worn, high-speed driving. This vehicle was not originally replace them. equipped with winter tires. Winter (Continued) tires are designed for increased traction on snow and ice-covered Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

VEHICLE CARE 337 roads. Consider installing winter tires Low-Profile Tires Summer Tires on the vehicle if frequent driving on ice or snow covered roads is expected. If the vehicle has 245/45R19, This vehicle may come with See your dealer for details regarding 245/40R20, or 245/40ZR20 size 245/40ZR20 high performance winter tire availability and proper tire tires, they are classified as summer tires. These tires have a selection. Also, see Buying New Tires low-profile tires. special tread and compound that are 0 352. optimized for maximum dry and wet road performance. This special tread With winter tires, there may be Caution and compound will have decreased decreased dry road traction, increased performance in cold climates, and on Low-profile tires are more road noise, and shorter tread life. ice and snow. It is recommended that susceptible to damage from road After changing to winter tires, be alert winter tires be installed on the vehicle for changes in vehicle handling and hazards or curb impact than if frequent driving at temperatures braking. standard profile tires. Tire and/or below approximately 5 °C (40 °F) or on If using winter tires: wheel assembly damage can occur ice or snow covered roads is expected. when coming into contact with See Winter Tires 0 336. . Use tires of the same brand and road hazards like potholes, or sharp tread type on all four wheel edged objects, or when sliding into Caution positions. a curb. The warranty does not cover . Use only radial ply tires of the this type of damage. Keep tires set High performance summer tires same size, load range, and speed to the correct inflation pressure and have rubber compounds that lose rating as the original equipment when possible, avoid contact with flexibility and may develop surface tires. curbs, potholes, and other road cracks in the tread area at Winter tires with the same speed hazards. temperatures below −7 °C (20 °F). rating as the original equipment tires Always store high performance may not be available for H, V, W, Y, summer tires indoors and at and ZR speed rated tires. If winter temperatures above −7 °C (20 °F) tires with a lower speed rating are when not in use. If the tires have chosen, never exceed the tire's (Continued) maximum speed capability. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

338 VEHICLE CARE molded onto the sidewall. GM's Caution (Continued) TPC specifications meet or exceed been subjected to −7 °C (20 °F) or all federal safety guidelines. less, let them warm up in a heated (3) DOT (Department of space to at least 5 °C (40 °F) for Transportation) : The 24 hours or more before being Department of Transportation installed or driving a vehicle on (DOT) code indicates that the tire which they are installed. Do not is in compliance with the U.S. apply heat or blow heated air Department of Transportation directly on the tires. Always inspect Motor Vehicle Safety Standards. tires before use. See Tire Inspection 0 349. Passenger (P-Metric) Tire Example DOT Tire Date of Manufacture : The last four digits of the TIN (1) Tire Size : The tire size is a indicate the tire manufactured Tire Sidewall Labeling combination of letters and date. The first two digits represent Useful information about a tire is numbers used to define a the week (01–52) and the last two molded into its sidewall. The particular tire's width, height, digits, the year. For example, the examples show a typical passenger aspect ratio, construction type, third week of the year 2010 would vehicle tire and a compact spare and service description. See the have a four-digit DOT date tire sidewall. “Tire Size” illustration later in this of 0310. section. (4) Tire Identification Number (2) TPC Spec (Tire Performance (TIN) : The letters and numbers Criteria Specification) : Original following the DOT (Department of equipment tires designed to GM's Transportation) code are the Tire specific tire performance criteria Identification Number (TIN). The have a TPC specification code TIN shows the manufacturer and plant code, tire size, and date the Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

VEHICLE CARE 339 tire was manufactured. The TIN is (3) Tire Identification Number molded onto both sides of the tire, (TIN) : The letters and numbers although only one side may have following the DOT (Department of the date of manufacture. Transportation) code are the Tire (5) Tire Ply Material : The type Identification Number (TIN). The of cord and number of plies in the TIN shows the manufacturer and sidewall and under the tread. plant code, tire size, and date the tire was manufactured. The TIN is (6) Uniform Tire Quality molded onto both sides of the tire, Grading (UTQG) : Tire although only one side may have manufacturers are required to the date of manufacture. grade tires based on three Compact Spare Tire Example performance factors: treadwear, (4) Maximum Cold Inflation traction, and temperature (1) Tire Ply Material : The type Load Limit : Maximum load that resistance. For more information of cord and number of plies in the can be carried and the maximum see Uniform Tire Quality Grading sidewall and under the tread. pressure needed to support that load. 0 353. (2) Temporary Use Only : The (7) Maximum Cold Inflation compact spare tire or temporary (5) Tire Inflation : The temporary Load Limit : Maximum load that use tire should not be driven at use tire or compact spare tire can be carried and the maximum speeds over 80 km/h (50 mph). should be inflated to 420 kPa pressure needed to support The compact spare tire is for (60 psi). For more information on that load. emergency use when a regular tire pressure and inflation see Tire road tire has lost air and gone flat. Pressure 0 343. If the vehicle has a compact spare (6) Tire Size : A combination of tire, see Compact Spare Tire 0 363 0 letters and numbers define a tire's and If a Tire Goes Flat 356. width, height, aspect ratio, construction type, and service Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

340 VEHICLE CARE description. The letter T as the (1) Passenger (P-Metric) Tire : diagonal or bias ply construction; first character in the tire size The United States version of a and the letter B means belted-bias means the tire is for temporary metric tire sizing system. The ply construction. use only. letter P as the first character in (5) Rim Diameter : Diameter of (7) TPC Spec (Tire Performance the tire size means a passenger the wheel in inches. vehicle tire engineered to Criteria Specification) : Original (6) Service Description : These equipment tires designed to GM's standards set by the U.S. Tire and Rim Association. characters represent the load specific tire performance criteria index and speed rating of the tire. have a TPC specification code (2) Tire Width : The three-digit The load index represents the load molded onto the sidewall. GM's number indicates the tire section carrying capacity a tire is certified TPC specifications meet or exceed width in millimeters from sidewall to carry. The speed rating is the all federal safety guidelines. to sidewall. maximum speed a tire is certified (3) Aspect Ratio : A two-digit to carry a load. Tire Designations number that indicates the tire Tire Size height-to-width measurements. Tire Terminology and For example, if the tire size aspect The following is an example of a Definitions ratio is 60, as shown in item 3 of typical passenger vehicle tire size. the illustration, it would mean Air Pressure : The amount of air that the tire's sidewall is inside the tire pressing outward 60 percent as high as it is wide. on each square inch of the tire. Air pressure is expressed in kPa (4) Construction Code : A letter (kilopascal) or psi (pounds per code is used to indicate the type square inch). of ply construction in the tire. The letter R means radial ply Accessory Weight : The combined construction; the letter D means weight of optional accessories. Some examples of optional Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

VEHICLE CARE 341 accessories are automatic Curb Weight : The weight of a GAWR RR : Gross Axle Weight transmission, power windows, motor vehicle with standard and Rating for the rear axle. See power seats, and air conditioning. optional equipment including the Vehicle Load Limits 0 195. Aspect Ratio : The relationship of maximum capacity of fuel, oil, and Intended Outboard Sidewall : a tire's height to its width. coolant, but without passengers The side of an asymmetrical tire and cargo. Belt : A rubber coated layer of that must always face outward cords between the plies and the DOT Markings : A code molded when mounted on a vehicle. tread. Cords may be made from into the sidewall of a tire Kilopascal (kPa) : The metric unit steel or other reinforcing signifying that the tire is in for air pressure. materials. compliance with the U.S. Department of Transportation Light Truck (LT-Metric) Tire : A Bead : The tire bead contains steel (DOT) Motor Vehicle Safety tire used on light duty trucks and wires wrapped by steel cords that Standards. The DOT code includes some multipurpose passenger hold the tire onto the rim. the Tire Identification Number vehicles. Bias Ply Tire : A pneumatic tire in (TIN), an alphanumeric designator Load Index : An assigned number which the plies are laid at which can also identify the tire ranging from 1 to 279 that alternate angles less than manufacturer, production plant, corresponds to the load carrying 90 degrees to the centerline of the brand, and date of production. capacity of a tire. tread. GVWR : Gross Vehicle Weight Maximum Inflation Pressure : Cold Tire Pressure : The amount Rating. See Vehicle Load Limits The maximum air pressure to of air pressure in a tire, measured 0 195. which a cold tire can be inflated. in kPa (kilopascal) or psi (pounds GAWR FRT : Gross Axle Weight The maximum air pressure is per square inch) before a tire has Rating for the front axle. See molded onto the sidewall. built up heat from driving. See Vehicle Load Limits 0 195. Tire Pressure 0 343. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

342 VEHICLE CARE Maximum Load Rating : The load molding that is higher or deeper Speed Rating : An alphanumeric rating for a tire at the maximum than the same moldings on the code assigned to a tire indicating permissible inflation pressure for other sidewall of the tire. the maximum speed at which a that tire. Passenger (P-Metric) Tire : A tire tire can operate. Maximum Loaded Vehicle used on passenger cars and some Traction : The friction between Weight : The sum of curb weight, light duty trucks and the tire and the road surface. The accessory weight, vehicle capacity multipurpose vehicles. amount of grip provided. weight, and production options Recommended Inflation Tread : The portion of a tire that weight. Pressure : Vehicle manufacturer's comes into contact with the road. Normal Occupant Weight : The recommended tire inflation Treadwear Indicators : Narrow number of occupants a vehicle is pressure as shown on the tire 0 bands, sometimes called wear designed to seat multiplied by placard. See Tire Pressure 343 bars, that show across the tread of 68 kg (150 lb). See Vehicle Load and Vehicle Load Limits 0 195. 0 a tire when only 1.6 mm (1/16 in) Limits 195. Radial Ply Tire : A pneumatic tire of tread remains. See When It Is Occupant Distribution : in which the ply cords that extend Time for New Tires 0 351. Designated seating positions. to the beads are laid at 90 degrees UTQGS (Uniform Tire Quality Outward Facing Sidewall : The to the centerline of the tread. Grading Standards) : A tire side of an asymmetrical tire that Rim : A metal support for a tire information system that provides has a particular side that faces and upon which the tire beads are consumers with ratings for a tire's outward when mounted on a seated. traction, temperature, and vehicle. The side of the tire that Sidewall : The portion of a tire treadwear. Ratings are determined contains a whitewall, bears white between the tread and the bead. by tire manufacturers using lettering, or bears manufacturer, government testing procedures. brand, and/or model name The ratings are molded into the sidewall of the tire. See Uniform Tire Quality Grading 0 353. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

VEHICLE CARE 343 Vehicle Capacity Weight : The The Tire and Loading Information number of designated seating { Warning label on the vehicle indicates the positions multiplied by Neither tire underinflation nor original equipment tires and the 68 kg (150 lb) plus the rated cargo correct cold tire inflation 0 overinflation is good. load. See Vehicle Load Limits 195. Underinflated tires, or tires that pressures. The recommended Vehicle Maximum Load on the do not have enough air, can pressure is the minimum air Tire : Load on an individual tire result in: pressure needed to support the vehicle's maximum load carrying due to curb weight, accessory . Tire overloading and weight, occupant weight, and capacity. See Vehicle Load Limits overheating which could 0 195. cargo weight. lead to a blowout. Vehicle Placard : A label How the vehicle is loaded affects . Premature or vehicle handling and ride comfort. permanently attached to a vehicle irregular wear. showing the vehicle capacity Never load the vehicle with more weight and the original equipment . Poor handling. weight than it was designed to carry. tire size and recommended . Reduced fuel economy. inflation pressure. See “Tire and Overinflated tires, or tires that When to Check Loading Information Label” under Check the pressure of the tires Vehicle Load Limits 0 195. have too much air, can result in: . Unusual wear. once a month or more. Do not Tire Pressure forget the compact spare, if the . Poor handling. vehicle has one. The cold compact Tires need the correct amount of . Rough ride. spare tire pressure should be at air pressure to operate effectively. 420 kPa (60 psi). See Compact . Needless damage from Spare Tire 0 363. road hazards. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

344 VEHICLE CARE How to Check Recheck the tire pressure with the Warning (Continued) Use a good quality pocket-type tire gauge. gauge to check tire pressure. Put the valve caps back on the operation. When speed limits and Proper tire inflation cannot be valve stems to keep out dirt and road conditions allow the vehicle to determined by looking at the tire. moisture and prevent leaks. Use be driven at high speeds, make sure Check the tire inflation pressure only valve caps designed for the the tires are rated for high-speed when the tires are cold, meaning vehicle by GM. TPMS sensors operation, are in excellent the vehicle has not been driven for could be damaged and would not condition, and are set to the correct at least three hours or no more be covered by the vehicle cold tire inflation pressure for the than 1.6 km (1 mi). warranty. vehicle load. Remove the valve cap from the Vehicles with 235/50R18 97V or tire valve stem. Press the tire Tire Pressure for High-Speed Operation 245/45R19 98V size tires require gauge firmly onto the valve to get inflation pressure adjustment when a pressure measurement. If the driving the vehicle at speeds of cold tire inflation pressure { Warning 160 km/h (100 mph) or higher. Set the matches the recommended cold inflation pressure for all four pressure on the Tire and Loading Driving at high speeds, 160 km/h tires to 270 kPa (39 psi). Information label, no further (100 mph) or higher, puts additional strain on tires. Sustained Vehicles with 245/40R20 95W size adjustment is necessary. If the high-speed driving causes excessive tires require inflation pressure inflation pressure is low, add air heat buildup and can cause sudden adjustment when driving the vehicle until the recommended pressure is tire failure. This could cause a at speeds of 160 km/h (100 mph) or higher. Set the cold inflation pressure reached. If the inflation pressure crash, and you or others could be to 290 kPa (42 psi). is high, press on the metal stem in killed. Some high-speed rated tires the center of the tire valve to require inflation pressure Vehicles with 245/40ZR20 95Y size release air. adjustment for high-speed tires require inflation pressure adjustment when driving the vehicle (Continued) at speeds of 160 km/h (100 mph) or Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

VEHICLE CARE 345 higher. Set the cold inflation pressure inflation pressure label, you should Your vehicle has also been equipped for the front tires to 280 kPa (41 psi) determine the proper tire inflation with a TPMS malfunction indicator to and the rear tires to 300 kPa (44 psi). pressure for those tires.) indicate when the system is not Return the tires to the recommended As an added safety feature, your operating properly. The TPMS cold tire inflation pressure when vehicle has been equipped with a tire malfunction indicator is combined high-speed driving has ended. pressure monitoring system (TPMS) with the low tire pressure telltale. See Vehicle Load Limits 0 195 and Tire that illuminates a low tire pressure When the system detects a Pressure 0 343. telltale when one or more of your tires malfunction, the telltale will flash for is significantly under-inflated. approximately one minute and then remain continuously illuminated. This Tire Pressure Monitor Accordingly, when the low tire sequence will continue upon System pressure telltale illuminates, you subsequent vehicle start-ups as long should stop and check your tires as The Tire Pressure Monitor System as the malfunction exists. soon as possible, and inflate them to (TPMS) uses radio and sensor the proper pressure. Driving on a When the malfunction indicator is technology to check tire pressure significantly under-inflated tire causes illuminated, the system may not be levels. The TPMS sensors monitor the the tire to overheat and can lead to able to detect or signal low tire air pressure in your tires and transmit tire failure. Under-inflation also pressure as intended. TPMS tire pressure readings to a receiver reduces fuel efficiency and tire tread malfunctions may occur for a variety located in the vehicle. life, and may affect the vehicle's of reasons, including the installation Each tire, including the spare (if handling and stopping ability. of replacement or alternate tires or provided), should be checked monthly wheels on the vehicle that prevent the Please note that the TPMS is not a when cold and inflated to the TPMS from functioning properly. substitute for proper tire maintenance, inflation pressure recommended by Always check the TPMS malfunction and it is the driver's responsibility to the vehicle manufacturer on the telltale after replacing one or more maintain correct tire pressure, even if vehicle placard or tire inflation tires or wheels on your vehicle to under-inflation has not reached the pressure label. (If your vehicle has ensure that the replacement or level to trigger illumination of the tires of a different size than the size alternate tires and wheels allow the TPMS low tire pressure telltale. indicated on the vehicle placard or tire TPMS to continue to function properly. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

346 VEHICLE CARE See Tire Pressure Monitor Operation When a low tire pressure condition is A Tire and Loading Information label, 0 346. detected, the TPMS illuminates the attached to your vehicle, shows the See Radio Frequency Statement 0 407. low tire pressure warning light on the size of the original equipment tires instrument cluster. If the warning and the correct inflation pressure for light comes on, stop as soon as the tires when they are cold. See Tire Pressure Monitor possible and inflate the tires to the Vehicle Load Limits 0 195 for an Operation recommended pressure shown on the example of the Tire and Loading Tire and Loading Information label. Information label and its location. This vehicle may have a Tire Pressure 0 0 Monitor System (TPMS). The TPMS is See Vehicle Load Limits 195. Also see Tire Pressure 343. designed to warn the driver when a A message to check the pressure in a The TPMS can warn about a low tire low tire pressure condition exists. specific tire displays in the Driver pressure condition but it does not TPMS sensors are mounted onto each Information Center (DIC). The low tire replace normal tire maintenance. See tire and wheel assembly, excluding the pressure warning light and the DIC Tire Inspection 0 349, Tire Rotation spare tire and wheel assembly. The warning message come on at each 0 350, and Tires 0 335. TPMS sensors monitor the air ignition cycle until the tires are pressure in the tires and transmit the inflated to the correct inflation Caution tire pressure readings to a receiver pressure. Using the DIC, tire pressure located in the vehicle. levels can be viewed. For additional Tire sealant materials are not all information and details about the DIC the same. A non-approved tire operation and displays see Driver sealant could damage the TPMS 0 Information Center (DIC) 149. sensors. TPMS sensor damage The low tire pressure warning light caused by using an incorrect tire may come on in cool weather when sealant is not covered by the the vehicle is first started, and then vehicle warranty. Always use only turn off as the vehicle is driven. This the GM approved tire sealant could be an early indicator that the air available through your dealer or pressure is getting low and needs to included in the vehicle. be inflated to the proper pressure. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

VEHICLE CARE 347 TPMS Malfunction Light and light and the DIC message should If the TPMS is not functioning Message go off after successfully properly, it cannot detect or signal a completing the sensor matching low tire pressure condition. See your The TPMS will not function properly if process. See "TPMS Sensor dealer for service if the TPMS one or more of the TPMS sensors are Matching Process" later in this malfunction light and DIC message missing or inoperable. When the section. come on and stay on. system detects a malfunction, the low tire pressure warning light flashes for . One or more TPMS sensors are Tire Fill Alert (If Equipped) about one minute and then stays on missing or damaged. The This feature provides visual and for the remainder of the ignition cycle. malfunction light and the DIC audible alerts outside the vehicle to A DIC warning message also displays. message should go off when the help when inflating an underinflated The malfunction light and DIC TPMS sensors are installed and tire to the recommended cold tire warning message come on at each the sensor matching process is pressure. ignition cycle until the problem is performed successfully. See your corrected. Some of the conditions that dealer for service. When the low tire pressure warning can cause these to come on are: . Replacement tires or wheels do light comes on: . One of the road tires has been not match the original equipment 1. Park the vehicle in a safe, level replaced with the spare tire. The tires or wheels. Tires and wheels place. other than those recommended spare tire does not have a TPMS 2. Set the parking brake firmly. sensor. The malfunction light and could prevent the TPMS from DIC message should go off after functioning properly. See Buying 3. Place the vehicle in P (Park). 0 the road tire is replaced and the New Tires 352. 4. Add air to the tire that is sensor matching process is . Operating electronic devices or underinflated. The turn signal performed successfully. See “TPMS being near facilities using radio lamp will flash. Sensor Matching Process” later in wave frequencies similar to the this section. When the recommended TPMS could cause the TPMS pressure is reached, the horn . The TPMS sensor matching sensors to malfunction. sounds once and the turn signal process was not done or not lamp will stop flashing and completed successfully after briefly turn solid. rotating the tires. The malfunction Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

348 VEHICLE CARE Repeat these steps for all If the turn signal lamp does not flash If the tire fill alert does not operate underinflated tires that have within 15 seconds after starting to due to TPMS interference, move the illuminated the low tire pressure inflate the tire, the tire fill alert has vehicle about 1 m (3 ft) back or warning light. not been activated or is not working. forward and try again. If the tire fill If the hazard warning flashers are on, alert feature is not working, use a tire { Warning the tire fill alert visual feedback will pressure gauge. not work properly. TPMS Sensor Matching Process Overinflating a tire could cause the tire to rupture and you or others The TPMS will not activate the tire fill Each TPMS sensor has a unique could be injured. Do not exceed the alert properly under the following identification code. The identification maximum pressure listed on the conditions: code needs to be matched to a new tire sidewall. See Tire Sidewall . There is interference from an tire/wheel position after rotating the Labeling 0 338 and Vehicle Load external device or transmitter. vehicle’s tires or replacing one or more Limits 0 195. of the TPMS sensors. The TPMS . The air pressure from the inflation sensor matching process should also device is not sufficient to inflate be performed after replacing a spare If the tire is overinflated by more than the tire. tire with a road tire containing the 35 kPa (5 psi), the horn will sound . There is a malfunction in TPMS sensor. The malfunction light multiple times and the turn signal the TPMS. and the DIC message should go off at lamp will continue to flash for several the next ignition cycle. The sensors . There is a malfunction in the horn seconds after filling stops. To release are matched to the tire/wheel or turn signal lamps. and correct the pressure, while the positions, using a TPMS relearn tool, turn signal lamp is still flashing, . The identification code of the in the following order: driver side briefly press the center of the valve TPMS sensor is not registered to front tire, passenger side front tire, stem. When the recommended the system. passenger side rear tire, and driver pressure is reached, the horn . The battery of the TPMS sensor side rear tire. See your dealer for sounds once. is low. service or to purchase a relearn tool. A TPMS relearn tool can also be purchased. See Tire Pressure Monitor Sensor Activation Tool at Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

VEHICLE CARE 349 www.gmtoolsandequipment.com or 5. Press and hold SEL in the center 10. Proceed to the driver side rear call 1-800-GM TOOLS of the five-way DIC control. tire, and repeat the procedure in (1-800-468-6657). The horn sounds twice to signal Step 7. The horn sounds two There are two minutes to match the the receiver is in relearn mode times to indicate the sensor first tire/wheel position, and and the TIRE LEARNING ACTIVE identification code has been five minutes overall to match all four message displays on the DIC matched to the driver side rear tire/wheel positions. If it takes longer, screen. tire, and the TPMS sensor matching process is no longer the matching process stops and must 6. Start with the driver side be restarted. active. The TIRE LEARNING front tire. ACTIVE message on the DIC The TPMS sensor matching process is: 7. Place the relearn tool against the display screen goes off. 1. Set the parking brake. tire sidewall, near the valve stem. 11. Turn the vehicle off. 2. Place the vehicle in Service Then press the button to activate the TPMS sensor. A horn chirp 12. Set all four tires to the Mode. See Ignition Positions recommended air pressure level 0 200. confirms that the sensor identification code has been as indicated on the Tire and 3. Make sure the Tire Pressure info matched to this tire and wheel Loading Information label. display option is turned on. The position. info displays on the DIC can be Tire Inspection 8. Proceed to the passenger side turned on and off through the We recommend that the tires, Options menu. See Driver front tire, and repeat the Information Center (DIC) 0 149. procedure in Step 7. including the spare tire, if the vehicle has one, be inspected for 4. Use the five-way DIC control on 9. Proceed to the passenger side rear tire, and repeat the signs of wear or damage at least the right side of the steering once a month. wheel to scroll to the Tire procedure in Step 7. Pressure screen under the DIC info page. See Driver Information Center (DIC) 0 149. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

350 VEHICLE CARE Replace the tire if: Anytime unusual wear is noticed, Adjust the front and rear tires to . The indicators at three or more rotate the tires as soon as the recommended inflation places around the tire can possible, check for proper tire pressure on the Tire and Loading be seen. inflation pressure, and check for Information label after the tires damaged tires or wheels. If the have been rotated. See Tire . There is cord or fabric showing unusual wear continues after the Pressure 0 343 and Vehicle Load through the tire's rubber. rotation, check the wheel Limits 0 195. . The tread or sidewall is alignment. See When It Is Time for 0 Reset the Tire Pressure Monitor cracked, cut, or snagged deep New Tires 351 and Wheel 0 System. See Tire Pressure Monitor enough to show cord or fabric. Replacement 355. Operation 0 346. . The tire has a bump, bulge, Check that all wheel nuts are or split. properly tightened. See “Wheel . The tire has a puncture, cut, Nut Torque” under Capacities and 0 or other damage that cannot Specifications 393, and be repaired well because of the “Removing the Flat Tire and size or location of the damage. Installing the Spare Tire” under Tire Changing 0 358. Tire Rotation { Warning Tires should be rotated every 12 000 km (7,500 mi). See Rust or dirt on a wheel, or on the Maintenance Schedule 0 379. parts to which it is fastened, can Use this rotation pattern when Tires are rotated to achieve a make wheel nuts become loose rotating the tires. after time. The wheel could come uniform wear for all tires. The first off and cause a crash. When rotation is the most important. Do not include the spare tire in the tire rotation. (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

VEHICLE CARE 351 tire manufacture date is the last four Warning (Continued) digits of the DOT Tire Identification Number (TIN) which is molded into changing a wheel, remove any rust one side of the tire sidewall. The first or dirt from places where the wheel two digits represent the week (01–52) attaches to the vehicle. In an and the last two digits, the year. For emergency, a cloth or a paper towel example, the third week of the year can be used; however, use a scraper 2010 would have a four-digit DOT or wire brush later to remove all date of 0310. rust or dirt. Vehicle Storage Lightly coat the inner diameter of Tires age when stored normally mounted on a parked vehicle. Park a the wheel hub opening with wheel Treadwear indicators are one way to vehicle that will be stored for at least tell when it is time for new tires. bearing grease after a wheel a month in a cool, dry, clean area Treadwear indicators appear when the change or tire rotation to prevent away from direct sunlight to slow tires have only 1.6 mm (1/16 in) or corrosion or rust buildup. Do not aging. This area should be free of less of tread remaining. See Tire get grease on the wheel mounting grease, gasoline, or other substances Inspection 0 349 and Tire Rotation surface or on the wheel nuts or that can deteriorate rubber. 0 350. bolts. Parking for an extended period can The rubber in tires ages over time. cause flat spots on the tires that may This also applies to the spare tire, When It Is Time for New result in vibrations while driving. if the vehicle has one, even if it is When storing a vehicle for at least a Tires never used. Multiple factors including month, remove the tires or raise the temperatures, loading conditions, and Factors such as maintenance, vehicle to reduce the weight from the inflation pressure maintenance affect temperatures, driving speeds, vehicle tires. loading, and road conditions affect the how fast aging takes place. GM wear rate of the tires. recommends that tires, including the spare if equipped, be replaced after six years, regardless of tread wear. The Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

352 VEHICLE CARE Buying New Tires mud and snow. See Tire Sidewall speed capability when using Labeling 0 338, for additional winter tires with a lower speed GM has developed and matched information. rating. specific tires for the vehicle. The original equipment tires installed GM recommends replacing worn { Warning were designed to meet General tires in complete sets of four. Motors Tire Performance Criteria Uniform tread depth on all tires Tires could explode during Specification (TPC Spec) system will help to maintain the improper service. Attempting to rating. When replacement tires are performance of the vehicle. mount or dismount a tire could needed, GM strongly recommends Braking and handling performance cause injury or death. Only your buying tires with the same TPC may be adversely affected if all the dealer or authorized tire service Spec rating. tires are not replaced at the same center should mount or time. If proper rotation and dismount the tires. GM's exclusive TPC Spec system maintenance have been done, all considers over a dozen critical four tires should wear out at specifications that impact the about the same time. See Tire overall performance of the vehicle, Rotation 0 350 for information on { Warning including brake system proper tire rotation. However, if it Mixing tires of different sizes (other performance, ride and handling, is necessary to replace only one traction control, and tire pressure than those originally installed on axle set of worn tires, place the the vehicle), brands, or types may monitoring performance. GM's new tires on the rear axle. TPC Spec number is molded onto cause loss of control of the vehicle, the tire's sidewall near the tire Winter tires with the same speed resulting in a crash or other vehicle size. If the tires have an all-season rating as the original equipment damage. Use the correct size, brand, tread design, the TPC Spec tires may not be available for H, V, and type of tire on all four wheels. number will be followed by MS for W, and ZR speed rated tires. Never exceed the winter tire's maximum Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

VEHICLE CARE 353 The Tire and Loading Information { Warning label indicates the original Warning (Continued) equipment tires on the vehicle. Using bias-ply tires on the 0 the chance of a crash and serious vehicle may cause the wheel rim See Vehicle Load Limits 195. injury. Only use GM specific wheel flanges to develop cracks after and tire systems developed for the many miles of driving. A tire Different Size Tires and vehicle, and have them properly and/or wheel could fail suddenly Wheels installed by a GM certified technician. and cause a crash. Use only If wheels or tires are installed that are radial-ply tires with the wheels a different size than the original on the vehicle. equipment wheels and tires, vehicle See Buying New Tires 0 352 and performance, including its braking, Accessories and Modifications 0 288. ride and handling characteristics, If the vehicle tires must be stability, and resistance to rollover Uniform Tire Quality replaced with a tire that does not may be affected. If the vehicle has Grading have a TPC Spec number, make electronic systems such as antilock sure they are the same size, load brakes, rollover airbags, traction The following information relates range, speed rating, and control, electronic stability control, to the system developed by the construction (radial) as the or All-Wheel Drive, the performance United States National Highway original tires. of these systems can also be affected. Traffic Safety Administration Vehicles that have a tire pressure (NHTSA), which grades tires by { Warning monitoring system could give an treadwear, traction, and inaccurate low-pressure warning if If different sized wheels are used, temperature performance. This non-TPC Spec rated tires are there may not be an acceptable applies only to vehicles sold in the installed. See Tire Pressure Monitor level of performance and safety if United States. The grades are Operation 0 346. tires not recommended for those molded on the sidewalls of most wheels are selected. This increases passenger car tires. The Uniform (Continued) Tire Quality Grading (UTQG) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

354 VEHICLE CARE system does not apply to deep Treadwear government test surfaces of tread, winter tires, compact spare The treadwear grade is a asphalt and concrete. A tire tires, tires with nominal rim comparative rating based on the marked C may have poor traction diameters of 10 to 12 inches wear rate of the tire when tested performance. Warning: The (25 to 30 cm), or to some under controlled conditions on a traction grade assigned to this tire limited-production tires. specified government test course. is based on straight-ahead braking While the tires available on For example, a tire graded traction tests, and does not General Motors passenger cars 150 would wear one and one-half include acceleration, cornering, and light trucks may vary with (1½) times as well on the hydroplaning, or peak traction respect to these grades, they must government course as a tire characteristics. also conform to federal safety graded 100. The relative Temperature requirements and additional performance of tires depends The temperature grades are A (the General Motors Tire Performance upon the actual conditions of highest), B, and C, representing Criteria (TPC) standards. their use, however, and may the tire's resistance to the depart significantly from the norm Quality grades can be found where generation of heat and its ability due to variations in driving habits, applicable on the tire sidewall to dissipate heat when tested service practices and differences between tread shoulder and under controlled conditions on a in road characteristics and maximum section width. For specified indoor laboratory test climate. example: wheel. Sustained high temperature Treadwear 200 Traction AA Traction can cause the material of the tire Temperature A The traction grades, from highest to degenerate and reduce tire life, to lowest, are AA, A, B, and C. and excessive temperature can All Passenger Car Tires Must lead to sudden tire failure. The Conform to Federal Safety Those grades represent the tire's ability to stop on wet pavement as grade C corresponds to a level of Requirements In Addition To performance which all passenger These Grades. measured under controlled conditions on specified car tires must meet under the Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

VEHICLE CARE 355 Federal Motor Safety Standard such as troughs or ruts, is normal. No. 109. Grades B and A represent If the vehicle is vibrating when driving { Warning on a smooth road, the tires and higher levels of performance on Using the wrong replacement the laboratory test wheel than the wheels may need to be rebalanced. See your dealer for proper diagnosis. wheels, wheel bolts, or wheel nuts minimum required by law. can be dangerous. It could affect Warning: The temperature grade Wheel Replacement the braking and handling of the for this tire is established for a tire vehicle. Tires can lose air, and that is properly inflated and not Replace any wheel that is bent, cause loss of control, causing a overloaded. Excessive speed, cracked, or badly rusted or corroded. crash. Always use the correct wheel, underinflation, or excessive If wheel nuts keep coming loose, the wheel bolts, and wheel nuts for loading, either separately or in wheel, wheel bolts, and wheel nuts replacement. should be replaced. If the wheel leaks combination, can cause heat air, replace it. Some aluminum wheels buildup and possible tire failure. can be repaired. See your dealer if any of these conditions exist. Wheel Alignment and Tire Caution Your dealer will know the kind of The wrong wheel can also cause Balance wheel that is needed. problems with bearing life, brake The tires and wheels were aligned and Each new wheel should have the same cooling, speedometer or odometer balanced at the factory to provide the load-carrying capacity, diameter, calibration, headlamp aim, bumper longest tire life and best overall width, offset, and be mounted the height, vehicle ground clearance, performance. Adjustments to wheel same way as the one it replaces. alignment and tire balancing are not and tire or tire chain clearance to necessary on a regular basis. Consider Replace wheels, wheel bolts, wheel the body and chassis. an alignment check if there is unusual nuts, or Tire Pressure Monitor System tire wear or the vehicle is significantly (TPMS) sensors with new GM original pulling to one side or the other. Some equipment parts. slight pull to the left or right, depending on the crown of the road and/or other road surface variations Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

356 VEHICLE CARE Used Replacement Wheels A rear blowout, particularly on a Caution (Continued) curve, acts much like a skid and may { Warning require the same correction as used in securely fastened. Drive slowly and a skid. Stop pressing the accelerator follow the chain manufacturer's Replacing a wheel with a used one pedal and steer to straighten the instructions. If the chains contact is dangerous. How it has been used vehicle. It may be very bumpy and the vehicle, stop and retighten or how far it has been driven may noisy. Gently brake to a stop, well off them. If the contact continues, slow be unknown. It could fail suddenly the road, if possible. down until it stops. Driving too fast and cause a crash. When replacing or spinning the wheels with chains wheels, use a new GM original { Warning on will damage the vehicle. equipment wheel. Driving on a flat tire will cause If a Tire Goes Flat permanent damage to the tire. Tire Chains Re-inflating a tire after it has been It is unusual for a tire to blow out driven on while severely Caution while driving, especially if the tires are underinflated or flat may cause a maintained properly. See Tires 0 335. blowout and a serious crash. Never Use tire chains only where legal and If air goes out of a tire, it is much attempt to re-inflate a tire that has only when necessary. Use low more likely to leak out slowly. But if been driven on while severely profile chains that add no more there ever is a blowout, here are a few underinflated or flat. Have your than 10 mm thickness to the tire tips about what to expect and what dealer or an authorized tire service tread and inner sidewall. Use chains to do: center repair or replace the flat tire that are the proper size for the tires. If a front tire fails, the flat tire creates as soon as possible. Install them on the tires of the rear a drag that pulls the vehicle toward axle. Do not use chains on the tires that side. Take your foot off the of the front axle. Tighten them as accelerator pedal and grip the steering tightly as possible with the ends wheel firmly. Steer to maintain lane position, and then gently brake to a (Continued) stop, well off the road, if possible. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

VEHICLE CARE 357 When the vehicle has a flat tire (2), { Warning { Warning use the following example as a guide to assist in the placement of the Lifting a vehicle and getting under Changing a tire can be dangerous. wheel blocks (1), if equipped. it to do maintenance or repairs is The vehicle can slip off the jack and dangerous without the appropriate roll over or fall causing injury or safety equipment and training. If a death. Find a level place to change jack is provided with the vehicle, it the tire. To help prevent the vehicle is designed only for changing a flat from moving: tire. If it is used for anything else, 1. Set the parking brake firmly. you or others could be badly injured or killed if the vehicle slips off the 2. Put an automatic jack. If a jack is provided with the transmission in P (Park) or a vehicle, only use it for changing a manual transmission in 1 (First) or R (Reverse). flat tire. 1. Wheel Block (If Equipped) 3. Turn off the engine and do 2. Flat Tire not restart while the vehicle If a tire goes flat, avoid further tire is raised. The following information explains and wheel damage by driving slowly how to repair or change a tire. to a level place, well off the road, 4. Do not allow passengers to if possible. Turn on the hazard remain in the vehicle. warning flashers. See Hazard Warning 0 5. Place wheel blocks, Flashers 169. if equipped, on both sides of the tire at the opposite corner of the tire being changed. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

358 VEHICLE CARE Tire Changing Removing the Spare Tire and Tools The jack and tools will be stored in one of the following ways.

1. Jack 3. Turn the retainer nut 2. Retainer Nut counterclockwise and remove the 3. Fuel Funnel spare tire. Place the spare tire 4. Tow Hook (If Equipped) next to the tire being changed. 5. Strap 4. Remove the jack and tools from 6. Wrench their container and place them near the tire being changed. To access the spare tire and tools: 1. Jack 1. Open the trunk. Removing the Flat Tire and 2. Retainer Nut Installing the Spare Tire 3. Fuel Funnel 2. Lift the spare tire cover and 4. Strap attach the handle to the 1. Do a safety check before 5. Wrench trunk edge. proceeding. See If a Tire Goes Flat 0 356. 6. Tow Hook (If Equipped) 7. Tool Bag 2. Turn the wheel wrench counterclockwise to loosen and remove the wheel nut caps. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

VEHICLE CARE 359 6. Place the hex tube end of the { Warning wrench over the hex head of the jack. Raising the vehicle with the jack improperly positioned can damage 7. Place the jack under the vehicle. the vehicle and even make the vehicle fall. To help avoid personal Caution injury and vehicle damage, be sure to fit the jack lift head into the Make sure that the jack lift head is proper location before raising the in the correct position or you may vehicle. damage your vehicle. The repairs would not be covered by your warranty. 3. Turn the wheel wrench counterclockwise to loosen all { Warning the wheel nuts, but do not remove them yet. Lifting a vehicle and getting under 4. Place the jack near the flat tire. it to do maintenance or repairs is dangerous without the appropriate 5. Put the compact spare tire safety equipment and training. If a near you. jack is provided with the vehicle, it is designed only for changing a flat { Warning tire. If it is used for anything else, you or others could be badly injured Getting under a vehicle when it is or killed if the vehicle slips off the lifted on a jack is dangerous. If the jack. If a jack is provided with the vehicle slips off the jack, you could vehicle, only use it for changing a be badly injured or killed. Never get flat tire. under a vehicle when it is supported only by a jack. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

360 VEHICLE CARE 8. Position the jack lift head at the jack location nearest the flat tire Warning (Continued) within the depression of the jack pads, as shown. The jack must can be used; however, use a scraper not be used in any other or wire brush later to remove all position. rust or dirt.

10. Remove all of the wheel nuts. 11. Remove the flat tire.

{ Warning

Rust or dirt on a wheel, or on the parts to which it is fastened, can 9. Raise the vehicle by turning the jack handle clockwise. Raise the make wheel nuts become loose 12. Remove any rust or dirt from the vehicle far enough off the ground after time. The wheel could come wheel bolts, mounting surfaces, so there is enough room for the off and cause a crash. When and spare wheel. changing a wheel, remove any rust road tire to clear the ground. 13. Place the compact spare tire on or dirt from places where the wheel the wheel-mounting surface. attaches to the vehicle. In an emergency, a cloth or a paper towel (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

VEHICLE CARE 361

{ Warning Warning (Continued)

Never use oil or grease on bolts or manufacturer when using accessory nuts because the nuts might come locking wheel nuts. See Capacities loose. The vehicle's wheel could fall and Specifications 0 393 for original off, causing a crash. equipment wheel nut torque specifications. 14. Reinstall the wheel nuts. Tighten each nut by hand until the wheel is held against the hub. Caution 15. Lower the vehicle by turning the jack handle counterclockwise. Improperly tightened wheel nuts 16. Tighten the wheel nuts firmly in can lead to brake pulsation and a crisscross sequence, as shown. { Warning rotor damage. To avoid expensive 17. Lower the jack all the way and brake repairs, evenly tighten the remove the jack from under the Wheel nuts that are improperly or wheel nuts in the proper sequence vehicle. incorrectly tightened can cause the and to the proper torque wheels to become loose or come off. 18. Tighten the wheel nuts firmly specification. See Capacities and with the wheel wrench. The wheel nuts should be tightened Specifications 0 393 for the wheel with a torque wrench to the proper nut torque specification. torque specification after replacing. Follow the torque specification supplied by the aftermarket (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

362 VEHICLE CARE Storing a Flat or Spare Tire and Tools

{ Warning

Storing a jack, a tire, or other equipment in the passenger compartment of the vehicle could cause injury. In a sudden stop or collision, loose equipment could strike someone. Store all these in the proper place. 5. Route the loop end of the 8. Route the hook end of the strap strap (3) through one of the through the wheel. To store the flat tire and tools: cargo tie-downs (1) in the rear of 9. Attach the hook to the cargo 1. Open the trunk. the vehicle. tie-down in the rear of the 2. Replace the jack and tools as 6. Route the hook (2) through the vehicle. they were, originally, stored in loop (3). 10. Tighten the strap. their container near the 7. Pull the strap to tighten it spare tire. The compact spare is for temporary around the cargo tie-down (1). use only. Replace the compact spare 3. Replace the spare tire cover. tire with a full-size tire as soon as 4. Place the tire, lying flat, in the you can. rear storage compartment. If there is a loop on the end of the strap used to secure the flat tire, go to Step 5. If there is not a loop, go to Step 8. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

VEHICLE CARE 363 Compact Spare Tire Stop as soon as possible and check that the spare tire is correctly inflated Caution after being installed on the vehicle. { Warning The compact spare tire is designed for When the compact spare is installed, do not take the vehicle Driving with more than one temporary use only. The vehicle will perform differently with the spare tire through an automatic car wash compact spare tire at a time could installed and it is recommended that with guide rails. The compact spare result in loss of braking and the vehicle speed be limited to can get caught on the rails which handling. This could lead to a crash 80 km/h (50 mph). To conserve the can damage the tire, wheel, and and you or others could be injured. tread of the spare tire, have the other parts of the vehicle. Use only one compact spare tire at standard tire repaired or replaced as a time. soon as convenient and return the Do not use the compact spare on spare tire to the storage area. other vehicles. If this vehicle has a compact spare When using a compact spare tire, the tire, it was fully inflated when new; Do not mix the compact spare tire or AWD (if equipped), ABS, and Traction wheel with other wheels or tires. They however, it can lose air over time. Control systems may engage until the Check the inflation pressure regularly. will not fit. Keep the spare tire and its spare tire is recognized by the vehicle, wheel together. It should be 420 kPa (60 psi). especially on slippery roads. Adjust driving to reduce possible wheel slip. Caution Caution

Exceeding the 80 km/h (50 mph) Tire chains will not fit the compact maximum speed when a compact spare. Using them can damage the spare assembly is installed can vehicle and the chains. Do not use damage the vehicle’s driveline tire chains on the compact spare. components. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

364 VEHICLE CARE Jump Starting See California Proposition 65 Warning 0 287 and the back cover. Jump Starting - North { Warning America For more information about the Batteries can hurt you. They can be vehicle battery, see Battery - North dangerous because: America 0 314. . They contain acid that can If the battery has run down, try to use burn you. another vehicle and some jumper . They contain gas that can cables to start your vehicle. Be sure to explode or ignite. use the following steps to do it safely. . They contain enough 2.0L L4 Engine Shown, 3.0L electricity to burn you. V6 Engine, and 3.6L V6 Engine Similar { Warning If you do not follow these steps 1. Discharged Remote Battery WARNING: Battery posts, exactly, some or all of these things Positive Terminal terminals, and related accessories can hurt you. 2. Discharged Remote Battery contain lead and lead compounds, Negative Ground Terminal chemicals known to the State of 3. Good Battery Negative California to cause cancer and birth Caution Terminal defects or other reproductive harm. 4. Good Battery Positive Batteries also contain other Ignoring these steps could result in Terminal chemicals known to the State of costly damage to the vehicle that California to cause cancer. WASH would not be covered by the vehicle HANDS AFTER HANDLING. For warranty. Trying to start the vehicle more information go to by pushing or pulling it will not www.P65Warnings.ca.gov/ work, and it could damage the passenger-vehicle. vehicle. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

VEHICLE CARE 365 The jump start negative terminal (3) and positive terminal (4) are on the Caution battery of the vehicle providing the jump start. If any accessories are left on or plugged in during the jump starting The positive jump start connection for procedure, they could be damaged. the discharged battery is under a red The repairs would not be covered cover. Remove the cover to expose the by the vehicle warranty. Whenever terminal. possible, turn off or unplug all 1. Check the other vehicle. It must accessories on either vehicle when have a 12-volt battery with a jump starting. negative ground system. 4.2L V8 Engine 4. Turn the ignition off. Turn off all Caution lights and accessories in both 1. Discharged Remote Battery vehicles, except the hazard If the other vehicle does not have a Positive Terminal warning flashers if needed. 2. Discharged Remote Battery 12-volt system with a negative ground, both vehicles can be Negative Ground Terminal { Warning 3. Good Battery Negative damaged. Only use a vehicle that Terminal has a 12-volt system with a An electric fan can start up even 4. Good Battery Positive negative ground for jump starting. when the engine is not running and Terminal can injure you. Keep hands, The jump start remote positive 2. Position the two vehicles so that clothing, and tools away from any terminal (1) and the remote negative they are not touching. underhood electric fan. ground terminal (2) for the discharged 3. Set the parking brake and shift battery are on the driver side of the to P (Park). See Shifting Into Park vehicle. 0 205. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

366 VEHICLE CARE 6. Connect the other end of the red { Warning positive (+) cable to the Caution positive (+) terminal of the good Using a match near a battery can battery. If the jumper cables are connected cause battery gas to explode. People or removed in the wrong order, have been hurt doing this, and 7. Connect one end of the black electrical shorting may occur and some have been blinded. Use a negative (–) cable to the damage the vehicle. The repairs flashlight if you need more light. negative (–) terminal of the good would not be covered by the vehicle battery. Battery fluid contains acid that can warranty. Always connect and 8. Connect the other end of the burn you. Do not get it on you. remove the jumper cables in the black negative (–) cable to the If you accidentally get it in your correct order, making sure that the remote negative (–) ground eyes or on your skin, flush the place cables do not touch each other or terminal on the driver side shock other metal. with water and get medical help tower for the discharged battery. immediately. 9. Start the engine in the vehicle Jumper Cable Removal with the good battery and run the engine at idle speed for at Reverse the sequence exactly when { Warning least four minutes. removing the jumper cables. After starting the disabled vehicle and Fans or other moving engine parts 10. Try to start the vehicle that had the dead battery. If it will not removing the jumper cables, allow it can injure you badly. Keep your start after a few tries, it probably to idle for several minutes. hands away from moving parts needs service. once the engine is running.

5. Connect one end of the red positive (+) cable to the remote positive (+) terminal on the discharged battery. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

VEHICLE CARE 367 Towing the Vehicle car carrier from a flat road surface. Do not use the tow eye to pull the vehicle from snow, mud, or sand. Caution

Incorrectly towing a disabled Caution vehicle may cause damage. The Improper use of the tow eye can damage would not be covered by cause vehicle damage. Use caution the vehicle warranty. Do not lash or and low speeds to prevent damage hook to suspension components. to the vehicle. Use the proper straps around the tires to secure the vehicle. Do not drag a locked wheel/tire while Front Attachment Point loading the vehicle. Do not use a Install the tow eye into the socket and turn it until it is fully tightened. When sling type lift to tow the vehicle. the tow eye is removed, reinstall the This could damage the vehicle. cover with the notch in the original position. GM recommends a flatbed tow truck to transport a disabled vehicle. Use ramps to help reduce approach angles, if necessary. A towed vehicle should have its drive wheels off the ground. Contact Roadside Service or a professional towing service if the disabled vehicle must be towed.

If the vehicle is equipped with a tow Carefully open the cover in the fascia eye, it is located in the trunk next to by using the small notch that conceals the spare tire tools. Only use the tow the tow eye socket. eye to pull the vehicle onto a flatbed Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

368 VEHICLE CARE Rear Attachment Point Recreational Vehicle Towing

Caution

Do not tow this vehicle with two wheels on the ground, or vehicle damage could occur. This damage would not be covered by the vehicle warranty.

Install the tow eye into the socket and The vehicle was neither designed nor turn it until it is fully tightened. When intended to be towed with any of its Carefully open the cover in the fascia the tow eye is removed, reinstall the wheels on the ground. If the vehicle by using the small notch that conceals cover with the notch in the original must be towed, see Towing the Vehicle 0 the tow eye socket. position. 367. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

VEHICLE CARE 369 Appearance Care If using an automatic car wash, follow Caution (Continued) the car wash instructions. The windshield wiper and rear window Exterior Care correct product usage, necessary wiper, if equipped, must be off. safety precautions, and appropriate Locks Remove any accessories that may be disposal of any vehicle care damaged or interfere with the car Locks are lubricated at the factory. product. wash equipment. Use a de-icing agent only when absolutely necessary, and have the Rinse the vehicle well, before washing locks greased after using. See and after, to remove all cleaning Recommended Fluids and Lubricants Caution agents completely. If they are allowed 0 388. to dry on the surface, they could stain. Avoid using high-pressure washes Dry the finish with a soft, clean Washing the Vehicle closer than 30 cm (12 in) to the chamois or an all-cotton towel to surface of the vehicle. Use of power To preserve the vehicle's finish, wash avoid surface scratches and water it often and out of direct sunlight. washers exceeding 8,274 kPa spotting. (1,200 psi) can result in damage or removal of paint and decals. Finish Care Caution Application of aftermarket clearcoat Do not use petroleum-based, acidic, sealant/wax materials is not or abrasive cleaning agents as they Caution recommended. If painted surfaces are can damage the vehicle's paint, damaged, see your dealer to have the metal, or plastic parts. If damage Do not power wash any component damage assessed and repaired. Foreign materials such as calcium chloride occurs, it would not be covered by under the hood that has this e and other salts, ice melting agents, the vehicle warranty. Approved symbol. cleaning products can be obtained road oil and tar, tree sap, bird from your dealer. Follow all This could cause damage that droppings, chemicals from industrial chimneys, etc., can damage the manufacturer directions regarding would not be covered by the vehicle warranty. vehicle's finish if they remain on (Continued) painted surfaces. Wash the vehicle as Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

370 VEHICLE CARE soon as possible. If necessary, use Protecting Exterior Bright Metal . Do not use cleaners that are not non-abrasive cleaners that are marked Moldings intended for automotive use. safe for painted surfaces to remove . Use a nonabrasive wax on the foreign matter. Caution vehicle after washing to protect Occasional hand waxing or mild and extend the molding finish. polishing should be done to remove Failure to clean and protect the residue from the paint finish. See your bright metal moldings can result in Cleaning Exterior Lamps/Lenses, dealer for approved cleaning products. a hazy white finish or pitting. This Emblems, Decals, and Stripes damage would not be covered by Use only lukewarm or cold water, a Do not apply waxes or polishes to the vehicle warranty. uncoated plastic, vinyl, rubber, decals, soft cloth, and a car washing soap to simulated wood, or flat paint as clean exterior lamps, lenses, emblems, damage can occur. The bright metal moldings on the decals, and stripes. Follow instructions vehicle are aluminum, chrome, under "Washing the Vehicle" Caution or stainless steel. To prevent damage, previously in this section. always follow these cleaning Lamp covers are made of plastic, and Machine compounding or instructions: some have a UV protective coating. Do aggressive polishing on a basecoat/ . Be sure the molding is cool to the not clean or wipe them when dry. clearcoat paint finish may damage touch before applying any cleaning Do not use any of the following on it. Use only non-abrasive waxes and solution. lamp covers: polishes that are made for a . Use only approved cleaning . Abrasive or caustic agents. basecoat/clearcoat paint finish on solutions for aluminum, chrome, the vehicle. or stainless steel. Some cleaners . Washer fluids and other cleaning are highly acidic or contain agents in higher concentrations To keep the paint finish looking new, alkaline substances and can than suggested by the keep the vehicle garaged or covered damage the moldings. manufacturer. whenever possible. . Always dilute a concentrated . Solvents, alcohols, fuels, or other cleaner according to the harsh cleaners. manufacturer’s instructions. . Ice scrapers or other hard items. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

VEHICLE CARE 371 . Aftermarket appearance caps or Shutter System Bugs, road grime, sap, and a buildup covers while the lamps are of vehicle wash/wax treatments may illuminated, due to excessive heat cause wiper streaking. generated. Replace the wiper blades if they are worn or damaged. Damage can be Caution caused by extreme dusty conditions, sand, salt, heat, sun, snow, and ice. Failure to clean lamps properly can cause damage to the lamp cover Weatherstrips that would not be covered by the Apply weatherstrip lubricant on vehicle warranty. weatherstrips to make them last longer, seal better, and not stick or squeak. Lubricate weatherstrips at Caution least once a year. Hot, dry climates The vehicle may have a shutter may require more frequent Using wax on low gloss black finish system designed to help increase fuel application. Black marks from rubber stripes can increase the gloss level economy. Keep the shutter system material on painted surfaces can be and create a non-uniform finish. clean for proper operation. removed by rubbing with a clean cloth. See Recommended Fluids and Clean low gloss stripes with soap Windshield and Wiper Blades Lubricants 0 388. and water only. Clean the outside of the windshield Tires with glass cleaner. Air Intakes Use a stiff brush with tire cleaner to Clean rubber blades using a lint-free clean the tires. Clear debris from the air intakes cloth or paper towel soaked with between the hood and windshield windshield washer fluid or a mild when washing the vehicle. detergent. Wash the windshield thoroughly when cleaning the blades. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

372 VEHICLE CARE Steering, Suspension, and Caution Caution Chassis Components Using petroleum-based tire dressing To avoid surface damage on wheels Visually inspect steering, suspension, products on the vehicle may and wheel trim, do not use strong and chassis components for damaged, damage the paint finish and/or soaps, chemicals, abrasive polishes, loose, or missing parts or signs of tires. When applying a tire dressing, cleaners, or brushes. Use only GM wear at least once a year. always wipe off any overspray from approved cleaners. Do not drive the Inspect power steering for proper all painted surfaces on the vehicle. vehicle through an automatic car attachment, connections, binding, wash that uses silicone carbide tire/ leaks, cracks, chafing, etc. wheel cleaning brushes. Damage Wheels and Wheel Trim Visually check constant velocity joint could occur and the repairs would boots and axle seals for leaks. Use a soft, clean cloth with mild soap not be covered by the vehicle and water to clean the wheels. After warranty. Body Component Lubrication rinsing thoroughly with clean water, dry with a soft, clean towel. A wax Lubricate all key lock cylinders, hood may then be applied. Brake System hinges, liftgate hinges, and the steel fuel door hinges, unless the Visually inspect brake lines and hoses components are plastic. Applying Caution for proper hook-up, binding, leaks, silicone grease on weatherstrips with a cracks, chafing, etc. Inspect disc brake Chrome wheels and chrome wheel clean cloth will make them last pads for wear and rotors for surface longer, seal better, and not stick or trim may be damaged if the vehicle condition. Inspect brake linings/shoes squeak. is not washed after driving on roads for wear or cracks. Inspect all other that have been sprayed with brake parts. Underbody Maintenance magnesium chloride or calcium At least twice a year, spring and fall, chloride. These are used on roads use plain water to flush any corrosive for conditions such as dust and ice. materials from the underbody. Take Always wash the chrome with soap and water after exposure. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

VEHICLE CARE 373 care to thoroughly clean any areas corrosion. Larger areas of finish Use cleaners specifically designed for where mud and other debris can damage can be corrected in your the surfaces being cleaned to prevent collect. dealer's body and paint shop. permanent damage. Apply all cleaners directly to the cleaning cloth. Do not Do not directly power wash the Chemical Paint Spotting transfer case and/or front/rear axle spray cleaners on any switches or output seals. High pressure water can Airborne pollutants can fall upon and controls. Remove cleaners quickly. overcome the seals and contaminate attack painted vehicle surfaces Before using cleaners, read and follow the fluid. Contaminated fluid will causing blotchy, ring-shaped all safety instructions on the label. decrease the life of the transfer case discolorations, and small, irregular While cleaning the interior, open the and/or axles and should be replaced. dark spots etched into the paint doors and windows to get proper surface. See “Finish Care” previously in ventilation. Sheet Metal Damage this section. To prevent damage, do not clean the If the vehicle is damaged and requires Interior Care interior using the following cleaners sheet metal repair or replacement, or techniques: make sure the body repair shop To prevent dirt particle abrasions, . Never use a razor or any other applies anti-corrosion material to regularly clean the vehicle's interior. sharp object to remove soil from parts repaired or replaced to restore Immediately remove any soils. any interior surface. corrosion protection. Newspapers or dark garments can Original manufacturer replacement transfer color to the vehicle’s interior. . Never use a brush with stiff bristles. parts will provide the corrosion Use a soft bristle brush to remove protection while maintaining the dust from knobs and crevices on the . Never rub any surface aggressively vehicle warranty. instrument cluster. Using a mild soap or with too much pressure. Finish Damage solution, immediately remove hand . Do not use laundry detergents or lotions, sunscreen, and insect dishwashing soaps with Quickly repair minor chips and repellent from all interior surfaces or degreasers. For liquid cleaners, use scratches with touch-up materials permanent damage may result. approximately 20 drops per 3.8 L available from your dealer to avoid (1 gal) of water. A concentrated soap solution will create streaks Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

374 VEHICLE CARE and attract dirt. Do not use Speaker Covers To clean: solutions that contain strong or Vacuum around a speaker cover 1. Saturate a clean, lint-free caustic soap. gently, so that the speaker will not be colorfast cloth with water. . Do not heavily saturate the damaged. Clean spots with water and Microfiber cloth is recommended upholstery when cleaning. mild soap. to prevent lint transfer to the fabric or carpet. . Do not use solvents or cleaners Coated Moldings containing solvents. 2. Remove excess moisture by Coated moldings should be cleaned. gently wringing until water does Interior Glass . When lightly soiled, wipe with a not drip from the cleaning cloth. To clean, use a terry cloth fabric sponge or soft, lint-free cloth 3. Start on the outside edge of the dampened with water. Wipe droplets dampened with water. soil and gently rub toward the left behind with a clean dry cloth. . When heavily soiled, use warm center. Fold the cleaning cloth to If necessary, use a commercial glass soapy water. a clean area frequently to cleaner after cleaning with plain water. prevent forcing the soil in to the Fabric/Carpet/Suede fabric. Caution Start by vacuuming the surface using 4. Continue gently rubbing the a soft brush attachment. If a rotating To prevent scratching, never use soiled area until there is no vacuum brush attachment is being abrasive cleaners on automotive longer any color transfer from used, only use it on the floor carpet. the soil to the cleaning cloth. glass. Abrasive cleaners or Before cleaning, gently remove as aggressive cleaning may damage much of the soil as possible: 5. If the soil is not completely the rear window defogger. removed, use a mild soap . Gently blot liquids with a paper solution followed only by plain towel. Continue blotting until no water. Cleaning the windshield with water more soil can be removed. during the first three to six months of If the soil is not completely removed, ownership will reduce tendency to fog. . For solid soils, remove as much as it may be necessary to use a possible prior to vacuuming. commercial upholstery cleaner or spot lifter. Test a small hidden area for Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

VEHICLE CARE 375 colorfastness before using a Instrument Panel, Leather, Vinyl, Do not use cleaners that increase commercial upholstery cleaner or spot Other Plastic Surfaces, Low gloss, especially on the instrument lifter. If ring formation occurs, clean Gloss Paint Surfaces, and panel. Reflected glare can decrease the entire fabric or carpet. Natural Open Pore Wood visibility through the windshield After cleaning, use a paper towel to Surfaces under certain conditions. blot excess moisture. Use a soft microfiber cloth dampened Caution Cleaning High Gloss Surfaces with water to remove dust and loose and Vehicle Information and dirt. For a more thorough cleaning, Use of air fresheners may cause Radio Displays use a soft microfiber cloth dampened permanent damage to plastics and with a mild soap solution. painted surfaces. If an air freshener Use a microfiber cloth on high gloss comes in contact with any plastic surfaces or vehicle displays. First, use Caution a soft bristle brush to remove dirt that or painted surface in the vehicle, blot immediately and clean with a can scratch the surface. Then gently Soaking or saturating leather, clean by rubbing with a microfiber soft cloth dampened with a mild especially perforated leather, as well soap solution. Damage caused by cloth. Never use window cleaners or as other interior surfaces, may solvents. Periodically hand wash the air fresheners would not be covered cause permanent damage. Wipe microfiber cloth separately, using mild by the vehicle warranty. excess moisture from these surfaces soap. Do not use bleach or fabric after cleaning and allow them to softener. Rinse thoroughly and air dry Cargo Cover and before next use. dry naturally. Never use heat, steam, or spot removers. Do not use Convenience Net cleaners that contain silicone or Caution If equipped, wash with warm water wax-based products. Cleaners and mild detergent. Do not use Do not attach a device with a containing these solvents can chlorine bleach. Rinse with cold water, suction cup to the display. This may permanently change the appearance and then dry completely. cause damage and would not be and feel of leather or soft trim, and covered by the vehicle warranty. are not recommended. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

376 VEHICLE CARE Care of Seat Belts Use the following guidelines for Removing and Replacing the proper floor mat usage. Keep belts clean and dry. Floor Mats . The original equipment floor mats { Warning were designed for your vehicle. If the floor mats need replacing, it Do not bleach or dye seat belt is recommended that GM certified webbing. It may severely weaken floor mats be purchased. Non-GM the webbing. In a crash, they might floor mats may not fit properly not be able to provide adequate and may interfere with the pedals. protection. Clean and rinse seat belt Always check that the floor mats do not interfere with the pedals. webbing only with mild soap and lukewarm water. Allow the webbing . Do not use a floor mat if the to dry. vehicle is not equipped with a floor mat retainer on the driver side floor. Floor Mats 1. Pull up on the rear of the floor . Use the floor mat with the correct mat to unlock the retainers and side up. Do not turn it over. { Warning remove. . Do not place anything on top of 2. Reinstall by lining up the floor If a floor mat is the wrong size or is the driver side floor mat. mat retainer openings over the not properly installed, it can . Use only a single floor mat on the carpet retainers and snap into interfere with the pedals. driver side. position. Interference with the pedals can . Do not place one floor mat on top 3. Make sure the floor mat is cause unintended acceleration and/ of another. properly secured in place. Verify or increased stopping distance the floor mat does not interfere which can cause a crash and injury. The driver side floor mat is held in with the pedals. Make sure the floor mat does not place by two button-type retainers. interfere with the pedals. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

SERVICE AND MAINTENANCE 377 General Information Your dealer recognizes the importance Service and of providing competitively priced Maintenance Your vehicle is an important maintenance and repair services. With investment. This section describes the trained technicians, the dealer is the required maintenance for the vehicle. place for routine maintenance such as General Information Follow this schedule to help protect oil changes and tire rotations and General Information ...... 377 against major repair expenses additional maintenance items like resulting from neglect or inadequate tires, brakes, batteries, and wiper Maintenance Schedule maintenance. It may also help to blades. Maintenance Schedule ...... 379 maintain the value of the vehicle if it is sold. It is the responsibility of the Caution Special Application Services owner to have all required Special Application Services . . . . . 384 maintenance performed. Damage caused by improper Additional Maintenance Your dealer has trained technicians maintenance can lead to costly and Care who can perform required repairs and may not be covered by Additional Maintenance maintenance using genuine the vehicle warranty. Maintenance and Care ...... 385 replacement parts. They have intervals, checks, inspections, up-to-date tools and equipment for recommended fluids, and lubricants Recommended Fluids, fast and accurate diagnostics. Many are important to keep the vehicle in Lubricants, and Parts dealers have extended evening and good working condition. Recommended Fluids and Saturday hours, courtesy Lubricants ...... 388 transportation, and online scheduling Do not have chemical flushes that Maintenance Replacement to assist with service needs. are not approved by GM performed Parts ...... 389 on the vehicle. The use of flushes, solvents, cleaners, or lubricants that Maintenance Records are not approved by GM could Maintenance Records ...... 391 damage the vehicle, requiring expensive repairs that are not covered by the vehicle warranty. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

378 SERVICE AND MAINTENANCE The Tire Rotation and Required . Use the recommended fuel. Refer to the information in the Services are the responsibility of the See Recommended Fuel (2.0L L4 Maintenance Schedule Additional vehicle owner. It is recommended to Turbo Engine) 0 274 or Required Services - Severe chart. have your dealer perform these Recommended Fuel (3.0L Twin services every 12 000 km/7,500 mi. Turbo V6 and 4.2L Twin Turbo { Warning Proper vehicle maintenance helps to V8 Engines) 0 275 or Recommended keep the vehicle in good working Fuel (3.6L V6 Engine) 0 275. Performing maintenance work can condition, improves fuel economy, and Refer to the information in the be dangerous and can cause serious reduces vehicle emissions. Maintenance Schedule Additional injury. Perform maintenance work Because of the way people use Required Services - Normal chart. only if the required information, proper tools, and equipment are vehicles, maintenance needs vary. The Additional Required Services - available. If they are not, see your There may need to be more frequent Severe are for vehicles that are: checks and services. The Additional dealer to have a trained technician Required Services - Normal are for . Mainly driven in heavy city traffic do the work. See Doing Your Own vehicles that: in hot weather. Service Work 0 288. . Carry passengers and cargo within . Mainly driven in hilly or recommended limits on the Tire mountainous terrain. and Loading Information label. See . Frequently towing a trailer. Vehicle Load Limits 0 195. . Used for high speed or competitive . Are driven on reasonable road driving. surfaces within legal driving limits. . Used for taxi, police, or delivery service. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

SERVICE AND MAINTENANCE 379 Maintenance Schedule is reset accidentally, service the . Inspect the engine air filter and vehicle within 5 000 km/3,000 mi since check the air filter life percentage. Owner Checks and Services the last service. Reset the oil life If necessary, replace engine air system when the oil is changed. See filter and reset the Engine Air At Each Fuel Stop Engine Oil Life System 0 300. Filter Life System. See Engine Air Cleaner/Filter 0 302 and Engine Air . Check the engine oil level. See Air Conditioning Desiccant Engine Oil 0 297. Filter Life System 0 302. (Replace Every Seven Years) Once a Month . Check engine coolant level. See The air conditioning system requires Cooling System 0 305. . Check the tire inflation pressures. maintenance every seven years. This See Tire Pressure 0 343. service requires replacement of the . Check windshield washer fluid level. See Washer Fluid 0 311. . Inspect the tires for wear. See Tire desiccant to help the longevity and Inspection 0 349. efficient operation of the air . Check tire inflation pressures. See conditioning system. This service can Tire Pressure 0 343. . Check the windshield washer fluid be complex. See your dealer. level. See Washer Fluid 0 311. . Inspect tire wear. See Tire Tire Rotation and Required Inspection 0 349. Engine Oil Change Services Every 12 000 km/ . Visually check for fluid leaks. When the CHANGE ENGINE OIL 7,500 mi . Inspect brake system. See Exterior SOON message displays, have the Rotate the tires, if recommended for Care 0 369. engine oil and filter changed within the vehicle, and perform the following . Visually inspect steering, the next 1 000 km/600 mi. If driven services. See Tire Rotation 0 350. under the best conditions, the engine suspension, and chassis oil life system may not indicate the . Check engine oil level and oil components for damage, including need for vehicle service for up to a life percentage. If needed, change cracks or tears in the rubber boots, year. The engine oil and filter must be engine oil and filter, and reset oil loose or missing parts, or signs of changed at least once a year and the life system. See Engine Oil 0 297 wear at least once a year. See oil life system must be reset. Your and Engine Oil Life System 0 300. Exterior Care 0 369. trained dealer technician can perform this work. If the engine oil life system Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

380 SERVICE AND MAINTENANCE . Inspect power steering for proper . Visually inspect fuel system for . Check accelerator pedal for attachment, connections, binding, damage or leaks. damage, high effort, or binding. leaks, cracks, chafing, etc. . Visually inspect exhaust system Replace if needed. . Visually inspect halfshafts and and nearby heat shields for loose . Visually inspect gas strut for signs drive shafts for excessive wear, or damaged parts. of wear, cracks, or other damage. lubricant leaks, and/or damage . Lubricate body components. See Check the hold open ability of the including: tube dents or cracks, Exterior Care 0 369. strut. If the hold open ability is constant velocity joint or universal low, service the gas strut. See Gas joint looseness, cracked or missing . Check starter switch. See Starter Strut(s) 0 318. Switch Check 0 316. boots, loose or missing boot . Inspect sunroof track and seal, clamps, center bearing excessive . Check parking brake and if equipped. See Sunroof 0 59. looseness, loose or missing automatic transmission park fasteners, and axle seals leaks. mechanism. See Park Brake and . Check restraint system P (Park) Mechanism Check 0 316. components. See Safety System Check 0 82. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

SERVICE AND MAINTENANCE 381

Maintenance Schedule

Additional Required Services - 12 000 km/7,500 mi 24 000 km/15,000 mi 36 000 km/22,500 mi 48 000 km/30,000 mi 60 000 km/37,500 mi 72 000 km/45,000 mi 84 000 km/52,500 mi 96 000 km/60,000 mi 108 000 km/67,500 mi 120 000 km/75,000 mi 132 000 km/82,500 mi 144 000 km/90,000 mi 156 000 km/97,500 mi

Normal 168 000 km/105,000 mi 180 000 km/112,500 mi 192 000 km/120,000 mi 204 000 km/127,500 mi 216 000 km/135,000 mi 228 000 km/142,500 mi 240 000 km/150,000 mi Rotate tires, if recommended for the vehicle, and perform Required Services. Check engine oil level @@@@@@@@@@@@@@@@@@@@ and oil life percentage. Change engine oil and filter, if needed. (1) Replace passenger compartment air filter. (2) @ @ @ @ @ @ Inspect evaporative control system. (3) @ @ @ Replace engine air cleaner filter. (4.2L Engine @ @ @ @ @ Only) (4) Replace engine air cleaner filter. (Except 4.2L @ @ @ Engine) (5) Replace spark plugs. Inspect spark plug wires. @ @ (Except 3.6L Engine) Replace spark plugs. Inspect spark plug wires. (3.6L @ Engine Only) Drain and fill engine cooling system. (6) @ Change transfer case fluid, if equipped with @ AWD. (7) Change rear axle fluid. (Except V-Series) @ Replace rear axle fluid. (V-Series Only) @ @ @ Visually inspect accessory drive belts. (8) @ Replace brake fluid. (9) Replace windshield wiper blades. (10) @@@@@@@@@@ Replace hood and/or body lift support gas struts. @ @ Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

382 SERVICE AND MAINTENANCE Footnotes — Maintenance Schedule (3) Visually check all fuel and vapor (8) Or every 10 years, whichever Additional Required Services - lines and hoses for proper attachment, comes first. Inspect for fraying, Normal connection, routing, and condition. excessive cracking, or damage; replace, (1) Vehicles with different size front (4) Or every three years, whichever if needed. and rear tires do not have tire comes first. If driving in dusty (9) Replace brake fluid every five rotation. See Tire Rotation 0 350. conditions, inspect the filter at each years for DOT 3 fluid or every three oil change or more often as needed. years for DOT 4 fluid. See Brake Fluid (2) Or every two years, whichever 0 comes first. More frequent passenger (5) Or every four years, whichever 313. compartment air filter replacement comes first. If driving in dusty (10) Or every 12 months, whichever may be needed if driving in areas with conditions, inspect the filter at each comes first. See Wiper Blade heavy traffic, poor air quality, high oil change or more often as needed. Replacement 0 317. dust levels, or environmental (6) Or every five years, whichever allergens. Passenger compartment air comes first. See Cooling System 0 305. filter replacement may also be needed if there is reduced airflow, window (7) Do not directly power wash the fogging, or odors. Your GM dealer can transfer case and/or front/rear axle help determine when to replace the output seals. High pressure water can filter. overcome the seals and contaminate the transfer case fluid. Contaminated fluid will decrease the life of the transfer case and/or axles and should be replaced. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

SERVICE AND MAINTENANCE 383

Maintenance Schedule

Severe 168 000 km/105,000 mi 180 000 km/112,500 mi 192 000 km/120,000 mi 204 000 km/127,500 mi 216 000 km/135,000 mi 228 000 km/142,500 mi 240 000 km/150,000 mi Rotate tires, if recommended for the vehicle, and perform Required Services. Check engine oil level @@@@@@@@@@@@@@@@@@@@ and oil life percentage. Change engine oil and filter, if needed. (1) Replace passenger compartment air filter. (2) @ @ @ @ @ @ Inspect evaporative control system. (3) @ @ @ Replace engine air cleaner filter. (4.2L Engine @ @ @ @ @ Only) (4) Replace engine air cleaner filter. (Except 4.2L @ @ @ Engine) (5) Replace spark plugs. Inspect spark plug wires. @ @ (Except 3.6L Engine) Replace spark plugs. Inspect spark plug wires. (3.6L @ Engine Only) Change automatic transmission fluid and filter. @ @ @ Change transfer case fluid, if equipped with @ @ @ AWD. (6) Change rear axle fluid. @ @ @ Change front axle fluid, if equipped with AWD. @ @ @ Drain and fill engine cooling system. (7) @ Visually inspect accessory drive belts. (8) @ Replace brake fluid. (9) Replace windshield wiper blades. (10) @@@@@@@@@@ Replace hood and/or body lift support gas struts. @ @ Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

384 SERVICE AND MAINTENANCE Footnotes — Maintenance Schedule (5) Or every four years, whichever Special Application Additional Required Services - comes first. If driving in dusty Severe conditions, inspect the filter at each Services oil change or more often as needed. (1) Vehicles with different size front . Severe Commercial Use Vehicles and rear tires do not have tire (6) Do not directly power wash the Only: Lubricate chassis rotation. See Tire Rotation 0 350. transfer case and/or front/rear axle components every oil change. output seals. High pressure water can (2) Or every two years, whichever . Have underbody flushing service overcome the seals and contaminate comes first. More frequent passenger performed. See "Underbody the transfer case fluid. Contaminated compartment air filter replacement Maintenance" in Exterior Care fluid will decrease the life of the may be needed if driving in areas with 0 369. heavy traffic, poor air quality, high transfer case and/or axles and should dust levels, or environmental be replaced. allergens. Passenger compartment air (7) Or every five years, whichever filter replacement may also be needed comes first. See Cooling System 0 305. if there is reduced airflow, window (8) Or every 10 years, whichever fogging, or odors. Your GM dealer can comes first. Inspect for fraying, help determine when to replace the excessive cracking, or damage; replace, filter. if needed. (3) Visually check all fuel and vapor (9) Replace brake fluid every five lines and hoses for proper attachment, years for DOT 3 fluid or every three connection, routing, and condition. years for DOT 4 fluid. See Brake Fluid (4) Or every three years, whichever 0 313. comes first. If driving in dusty (10) Or every 12 months, whichever conditions, inspect the filter at each comes first. See Wiper Blade oil change or more often as needed. Replacement 0 317. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

SERVICE AND MAINTENANCE 385 Additional Maintenance Battery Brakes and Care The 12-volt battery supplies power to Brakes stop the vehicle and are crucial start the engine and operate any to safe driving. Your vehicle is an important additional electrical accessories. . Signs of brake wear may include investment and caring for it properly . To avoid break-down or failure to chirping, grinding, or squealing may help to avoid future costly start the vehicle, maintain a noises, or difficulty stopping. repairs. To maintain vehicle battery with full cranking power. performance, additional maintenance . Trained dealer technicians have services may be required. . Trained dealer technicians have access to tools and equipment to the diagnostic equipment to test inspect the brakes and recommend It is recommended that your dealer the battery and ensure that the quality parts engineered for the perform these services — their trained connections and cables are vehicle. dealer technicians know your vehicle corrosion-free. best. Your dealer can also perform a Fluids Belts thorough assessment with a Proper fluid levels and approved fluids multi-point inspection to recommend . Belts may need replacing if they protect the vehicle’s systems and when your vehicle may need squeak or show signs of cracking components. See Recommended Fluids attention. or splitting. and Lubricants 0 388 for GM approved The following list is intended to . Trained dealer technicians have fluids. explain the services and conditions to access to tools and equipment to . Engine oil and windshield washer look for that may indicate services are inspect the belts and recommend fluid levels should be checked at required. adjustment or replacement when every fuel fill. necessary. . Instrument cluster lights may come on to indicate that fluids may be low and need to be filled. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

386 SERVICE AND MAINTENANCE Hoses Shocks and Struts or fabric showing through the Hoses transport fluids and should be Shocks and struts help aid in control rubber; cracks or cuts in the tread regularly inspected to ensure that for a smoother ride. or sidewall; or a bulge or split in the tire. there are no cracks or leaks. With a . Signs of wear may include steering . multi-point inspection, your dealer wheel vibration, bounce/sway Trained dealer technicians can can inspect the hoses and advise if while braking, longer stopping inspect and recommend the right replacement is needed. distance, or uneven tire wear. tires. Your dealer can also provide tire/wheel balancing services to Lamps . As part of the multi-point ensure smooth vehicle operation Properly working headlamps, inspection, trained dealer at all speeds. Your dealer sells and taillamps, and brake lamps are technicians can visually inspect services name brand tires. important to see and be seen on the shocks and struts for signs of Vehicle Care the road. leaking, blown seals, or damage, and can advise when service is . To help keep the vehicle looking like Signs that the headlamps need needed. attention include dimming, failure new, vehicle care products are to light, cracking, or damage. The Tires available from your dealer. For brake lamps need to be checked information on how to clean and Tires need to be properly inflated, protect the vehicle’s interior and periodically to ensure that they rotated, and balanced. Maintaining 0 light when braking. exterior, see Interior Care 373 and the tires can save money and fuel, and Exterior Care 0 369. . With a multi-point inspection, can reduce the risk of tire failure. your dealer can check the lamps . Signs that the tires need to be and note any concerns. replaced include three or more visible treadwear indicators; cord Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

SERVICE AND MAINTENANCE 387 Wheel Alignment Windshield Wiper Blades Wheel alignment is critical for For safety, appearance, and the best Wiper blades need to be cleaned and ensuring that the tires deliver optimal viewing, keep the windshield clean kept in good condition to provide a wear and performance. and clear. clear view. . Signs that the alignment may need . Signs of damage include scratches, . Signs of wear include streaking, to be adjusted include pulling, cracks, and chips. skipping across the windshield, improper vehicle handling, . Trained dealer technicians can and worn or split rubber. or unusual tire wear. inspect the windshield and . Trained dealer technicians can . Your dealer has the required recommend proper replacement if check the wiper blades and replace equipment to ensure proper wheel needed. them when needed. alignment. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

388 SERVICE AND MAINTENANCE Recommended Fluids, Lubricants, and Parts Recommended Fluids and Lubricants Usage Fluid/Lubricant Automatic Transmission DEXRON-ULV Automatic Transmission Fluid (GM Part No. 19352619, in Canada 19352620). Engine Coolant 50/50 mixture of clean drinkable water and use only DEX-COOL Coolant. Engine Oil (Except 4.2L V8 Twin Turbo Engine oil meeting the dexos1 specification of the proper SAE viscosity grade. Engine) ACDelco dexos1 full synthetic is recommended. See Engine Oil 0 297. Engine Oil (4.2L V8 Twin Turbo Engine oil meeting the dexos2 specification of the proper SAE viscosity grade. Engine Only) ACDelco dexos2 is recommended. See Engine Oil 0 297. Hood Latch Assembly, Pivots, Spring Lubriplate Lubricant Aerosol (GM Part No. 89021668, in Canada 89021674) or Anchor, and Release Pawl lubricant meeting requirements of NLGI #2, Category LB or GC-LB. Hydraulic Brake System DOT 3 Hydraulic Brake Fluid (GM Part No. 19353126, in Canada 19353127). Key Lock Cylinders, Hood and Door Multi-Purpose Lubricant, Superlube (GM Part No. 12346241, in Hinges Canada 10953474). Rear Axle (Except V-Series)/Front Axle SAE 75W-90 Synthetic Axle Lubricant (GM Part No. 88863089, in Canada 88863090). Rear Axle (V-Series) SAE 75W-90 Synthetic Axle Lubricant (GM Part No. 88862624, in Canada 88862625). Transfer Case (All-Wheel Drive) Transfer Case Fluid (GM Part No. 19331044, in Canada 19331045). Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

SERVICE AND MAINTENANCE 389

Usage Fluid/Lubricant Weatherstrip Conditioning Weatherstrip Lubricant (GM Part No. 3634770, in Canada 10953518) or equivalent. Windshield Washer Automotive windshield washer fluid that meets regional freeze protection requirements.

Maintenance Replacement Parts Replacement parts identified below by name, part number, or specification can be obtained from your dealer. Part GM Part Number ACDelco Part Number Engine Air Cleaner/Filter 2.0L L4 Engine 23418368 A3219C 3.0L V6 Engine (Driver Side) 23441383 A3207C 3.0L V6 Engine (Passenger Side) 23450879 A3206C 3.6L V6 Engine 23458700 A3204C 4.2L V8 Engine 84166540 A3242C Engine Oil Filter 2.0L L4 Engine 55495105 PF66 3.0L V6 Engine 19330000 PF63E 3.6L V6 Engine 19330000 PF63E Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

390 SERVICE AND MAINTENANCE

Part GM Part Number ACDelco Part Number 4.2L V8 Engine 19330000 PF63E Passenger Compartment Air Filter Particulate 13508023 CF185 Carbon 13356914 CF184 Spark Plugs 2.0L L4 Engine 55504354 41-103-IP 3.0L V6 Engine 12650283 41-131 3.6L V6 Engine 12646780 41-130 4.2L V8 Engine 12672175 41-104 Wiper Blades Driver Side – 60 cm (23.62 in) 23368186 — Passenger Side – 45 cm (17.72 in) 23353587 — Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

SERVICE AND MAINTENANCE 391 Maintenance Records After the scheduled services are performed, record the date, odometer reading, who performed the service, and the type of services performed in the boxes provided. Retain all maintenance receipts. Odometer Date Serviced By Maintenance Stamp Services Performed Reading Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

392 TECHNICAL DATA Vehicle Identification Specifications” under Capacities and Technical Data Specifications 0 393 for the vehicle's Vehicle Identification engine code. Vehicle Identification Number (VIN) Vehicle Identification Service Parts Identification Number (VIN) ...... 392 Label Service Parts Identification There may be a label on the inside of Label ...... 392 the trunk that contains the following Vehicle Data information: Capacities and Specifications . . . . 393 . Vehicle Identification Engine Drive Belt Routing ...... 396 Number (VIN) This legal identifier is in the front . Model designation corner of the instrument panel, on the . driver side of the vehicle. It can be Paint information seen through the windshield from . Production options and special outside. The Vehicle Identification equipment Number (VIN) also appears on the If there is no label, there is a barcode Vehicle Certification and Service Parts on the certification label on the labels and certificates of title and center (B) pillar to scan for this same registration. information. Engine Identification The eighth character in the VIN is the engine code. This code identifies the vehicle's engine, specifications, and replacement parts. See “Engine Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

TECHNICAL DATA 393 Vehicle Data Capacities and Specifications The following approximate capacities are given in metric and English conversions. See Recommended Fluids and Lubricants 0 388 for more information. Capacities Application Metric English Air Conditioning Refrigerant For the air conditioning system refrigerant type and charge amount, see the refrigerant label under the hood. See your dealer for more information. Brake Fluid 0.4 L 0.4 qt Cooling System – Engine 2.0L L4 Engine 9.4 L 10.0 qt 2.0L L4 Engine with Rear A/C 11.0 L 11.6 qt 3.0L V6 Engine 10.6 L 11.2 qt 3.0L V6 Engine with Rear A/C 12.3 L 13.0 qt 3.0L V6 Engine Intercoolers 3.2 L 3.4 qt 3.6L V6 Engine 9.8 L 10.4 qt 3.6L V6 Engine with Rear A/C 11.4 L 12.0 qt 4.2L V8 Engine 10.9 L 11.5 qt Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

394 TECHNICAL DATA

Capacities Application Metric English 4.2L V8 Engine with Rear A/C 12.5 L 13.0 qt 4.2L V8 Engine with Intercooler 2.7 L 2.8 qt Engine Oil with Filter 2.0L L4 Engine 5.0 L 5.3 qt 3.0L V6 Engine 5.7 L 6.0 qt 3.6L V6 Engine 5.7 L 6.0 qt 4.2L V8 Engine 9.5 L 10.0 qt Front Axle 0.5 L 0.53 qt Rear Axle 0.5 L 0.53 qt Rear Axle 4.2L V8 Twin Turbo (LTA) Engine or V-Series 1.1 L 1.16 qt Fuel Tank 72.7 L 19.2 gal Transfer Case – AWD 0.8 L 0.85 qt Wheel Nut Torque 150 Y 110 lb ft All capacities are approximate. When adding, be sure to fill to the approximate level, as recommended in this manual. Recheck fluid level after filling. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

TECHNICAL DATA 395 Engine Specifications Engine VIN Code Transmission Spark Plug Gap 2.0L L4 Engine K Automatic 0.75–0.90 mm (0.030–0.035 in) 3.0L V6 Engine 6 Automatic 0.65–0.75 mm (0.26–0.030 in) 3.6L V6 Engine S Automatic 0.80–0.90 mm (0.031–0.035 in) 4.2L V8 Engine J Automatic 0.74–0.75 mm (0.029–0.030 in) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

396 TECHNICAL DATA Engine Drive Belt Routing

3.6L V6 Engine 2.0L L4 Engine

4.2L V8 Engine 3.0L V6 Engine Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

CUSTOMER INFORMATION 397 Customer Reporting Safety Defects Customer Information Reporting Safety Defects to the Information United States Government . . . . . 407 Reporting Safety Defects to the Customer Satisfaction Canadian Government ...... 408 Procedure Customer Information Reporting Safety Defects to Your satisfaction and goodwill are Customer Satisfaction General Motors ...... 408 important to your dealer and to Procedure ...... 397 Vehicle Data Recording and Cadillac. Normally, any concerns with Customer Assistance Offices . . . . 399 Privacy the sales transaction or the operation Customer Assistance for Text Vehicle Data Recording and of the vehicle will be resolved by your Telephone (TTY) Users ...... 400 dealer's sales or service departments. Online Owner Center ...... 400 Privacy ...... 408 Event Data Recorders ...... 409 Sometimes, however, despite the best GM Mobility Reimbursement intentions of all concerned, Program ...... 401 OnStar ...... 409 Infotainment System ...... 410 misunderstandings can occur. If your Roadside Service ...... 401 concern has not been resolved to your Scheduling Service satisfaction, the following steps Appointments ...... 403 should be taken: Courtesy Transportation Program ...... 403 STEP ONE : Discuss your concern Collision Damage Repair ...... 404 with a member of dealership Publication Ordering management. Normally, concerns can Information ...... 406 be quickly resolved at that level. If the Radio Frequency Statement . . . . . 407 matter has already been reviewed with the sales, service or parts manager, contact the owner of your dealership or the general manager. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

398 CUSTOMER INFORMATION STEP TWO : If after contacting a STEP THREE — U.S. Owners : Both You may contact the BBB Auto Line member of dealership management, it General Motors and your dealer are Program using the toll-free telephone appears your concern cannot be committed to making sure you are number or write them at the following resolved by your dealership without completely satisfied with the new address: further help, in the U.S., call the vehicle. However, if you continue to BBB Auto Line Program Cadillac Customer Assistance Center remain unsatisfied after following the Council of Better Business – – at 1-800 458 8006. In Canada, call procedure outlined in Steps One and Bureaus, Inc. the Canadian Cadillac Customer Care Two, you can file with the Better 3033 Wilson Boulevard Centre at 1-888-446-2000. Business Bureau (BBB) Auto Line Suite 600 We encourage you to call the toll-free Program to enforce your rights. Arlington, VA 22201 number in order to give your inquiry The BBB Auto Line Program is an Telephone: 1-800-955-5100 prompt attention. Have the following out-of-court program administered by http://www.bbb.org/council/ information available to give the the Council of Better Business Bureaus programs-services/ Customer Assistance representative: to settle automotive disputes dispute-handling-and-resolution/ . Vehicle Identification regarding vehicle repairs or the bbb-auto-line Number (VIN). This is available interpretation of the New Vehicle Limited Warranty. Although you may This program is available in all from the vehicle registration or 50 states and the District of Columbia. title, or the plate at the top left of be required to resort to this informal dispute resolution program prior to Eligibility is limited by vehicle age, the instrument panel and visible mileage, and other factors. General through the windshield. filing a court action, use of the program is free of charge and your Motors reserves the right to change . Dealership name and location. case will generally be heard within eligibility limitations and/or . Vehicle delivery date and present 40 days. If you do not agree with the discontinue its participation in this mileage. decision given in your case, you may program. reject it and proceed with any other When contacting Cadillac, remember venue for relief available to you. that your concern will likely be resolved at a dealer's facility. That is why we suggest following Step One first. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

CUSTOMER INFORMATION 399 STEP THREE — Canadian Owners : For further information concerning Customer Assistance In the event that you do not feel your eligibility in the Canadian Motor concerns have been addressed after Vehicle Arbitration Plan (CAMVAP), Offices following the procedure outlined in call toll-free 1-800-207-0685, or call Cadillac encourages customers to call Steps One and Two, General Motors of the Cadillac Customer Care Centre, the toll-free number for assistance. Canada Company wants you to be 1-888-446-2000, or write to: However, if a customer wishes to aware of its participation in a General Motors Cadillac Customer write or e-mail Cadillac, the letter no-charge mediation/arbitration Care Centre should be addressed to: program. General Motors of Canada General Motors of Canada Company United States and Puerto Rico Company has committed to binding Mail Code: CA1-163-005 arbitration of owner disputes involving 1908 Colonel Sam Drive Cadillac Customer Assistance Center factory-related vehicle service claims. Oshawa, Ontario L1H 8P7 Cadillac Motor Car Division The program provides for the review P.O. Box 33169 of the facts involved by an impartial The inquiry should be accompanied Detroit, MI 48232-5169 third party arbiter, and may include by the Vehicle Identification www.Cadillac.com an informal hearing before the arbiter. Number (VIN). The program is designed so that the 1-800-458-8006 entire dispute settlement process, 1-800-833-2622 (For Text Telephone from the time you file your complaint devices (TTYs)) to the final decision, should be Roadside Service: 1-800-224-1400 completed in about 70 days. We From U.S. Virgin Islands: believe our impartial program offers 1-800-496-9994 advantages over courts in most jurisdictions because it is informal, quick, and free of charge. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

400 CUSTOMER INFORMATION Canada Online Owner Center J : View active recalls or search by Vehicle Identification Number (VIN). General Motors of Canada Company Online Owner Experience (U.S.) Cadillac Customer Care Centre, Mail See Vehicle Identification Number (VIN) my.cadillac.com 0 Code: CA1-163-005 392. 1908 Colonel Sam Drive The Cadillac online owner experience H : View GM Card, SiriusXM Satellite Oshawa, Ontario L1H 8P7 allows interaction with Cadillac and radio (if equipped), and OnStar www.gm.ca keeps important vehicle-specific account information. information in one place. 1-888-446-2000 (English/French) F : Chat with online help Cadillac Roadside Service: Membership Benefits representatives. 1-800-882-1112 E : Download owner’s manuals and See my.cadillac.com to register your Overseas view vehicle-specific how-to videos. vehicle. Contact the local General Motors G : View maintenance schedules, Cadillac Owner Centre (Canada) Business Unit. alerts, and Vehicle Diagnostic www.cadillacowner.ca Information. Schedule service Customer Assistance for appointments. Visit the Cadillac Owner Centre: Text Telephone (TTY) I : View printable dealer-recorded . Chat live with online help Users service records and self-recorded representatives. service records. . Locate owner resources such as To assist customers who are deaf, D : Select a dealer and view lease-end, financing, and warranty hard of hearing, or speech-impaired locations, maps, phone numbers, and information. and who use Text Telephones (TTYs), hours. Cadillac has TTY equipment available . Retrieve favorite articles, quizzes, at its Customer Assistance Center. Any r : Track your vehicle’s warranty tips, and multimedia galleries TTY user can communicate with information. organized into the Featured Cadillac by dialing: 1-800-833-2622. Articles and Auto Care Sections. TTY users in Canada can dial . Download owner’s manuals. 1-800-263-3830. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

CUSTOMER INFORMATION 401 . Find Cadillac-recommended General Motors of Canada also has a . Odometer reading, Vehicle maintenance services. Mobility program. See www.gm.ca or Identification Number (VIN), and call 1-800-GM-DRIVE (800-463-7483) delivery date of the vehicle GM Mobility for details. TTY users call . Description of the problem Reimbursement Program 1-800-263-3830. Coverage Roadside Service Services are provided for the duration U.S.: 1-800-224-1400. of the vehicle’s powertrain warranty. Canada: 1-800-882-1112. In the U.S., anyone driving the vehicle is covered. In Canada, a person driving Text Telephone (TTY) Users (U.S. the vehicle without permission from Only): 1-888-889-2438. the owner is not covered. This program is available to qualified Service is available 24 hours a day, Roadside Service is not a part of the 365 days a year. applicants for cost reimbursement, up New Vehicle Limited Warranty. to certain limits, of eligible Calling for Service General Motors North America and aftermarket adaptive equipment Cadillac reserve the right to make any required for the vehicle, such as hand When calling Roadside Service, have changes or discontinue the Roadside controls or a wheelchair/scooter lift the following information ready: Service program at any time without for the vehicle. . Your name, home address, and notification. To learn about the GM Mobility home telephone number General Motors North America and program, see www.gmmobility.com or . Telephone number of your Cadillac reserve the right to limit call the GM Mobility Assistance location services or payment to an owner or Center at 1-800-323-9935. Text driver if they decide the claims are . Location of the vehicle Telephone (TTY) users, call made too often, or the same type of 1-800-833-9935. . Model, year, color, and license claim is made many times. plate number of the vehicle Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

402 CUSTOMER INFORMATION Cadillac Owner Privileges™ . Battery Jump Start: Service to service vehicle complete with the jump start a dead battery. necessary Cadillac parts and tools . Emergency Fuel Delivery: required to handle most roadside Delivery of enough fuel for the . Trip Interruption Benefits and repairs. vehicle to get to the nearest Service: If your trip is interrupted service station. due to a warranty failure, Services Not Included in incidental expenses may be . Lock-Out Service: Service to Roadside Service reimbursed during the Powertrain unlock the vehicle if you are warranty period. Items considered . Impound towing caused by locked out. A remote unlock may are hotel, meals, and rental car or violation of any laws be available if you have OnStar. a vehicle being delivered back to For security reasons, the driver . Legal fines the customer, up to 500 miles. must present identification before . Mounting, dismounting, this service is given. Cadillac Technician Roadside or changing of snow tires, chains, . Emergency Tow from a Public Service (U.S. Only) or other traction devices Road or Highway: Tow to the Cadillac's exceptional Roadside Service Service is not provided if a vehicle is nearest Cadillac dealer for is more than an auto club or towing in an area that is not accessible to the warranty service, or if the vehicle service. It provides every Cadillac service vehicle or is not a regularly was in a crash and cannot be owner in the United States with the traveled or maintained public road, driven. Assistance is not given advantage of contacting a Cadillac which includes ice and winter roads. when the vehicle is stuck in the advisor and, where available, a Off-road use is not covered. sand, mud, or snow. Cadillac trained dealer technician who Services Specific to can provide on-site service. . Flat Tire Change: Service to Canadian-Purchased Vehicles change a flat tire with a spare tire. A dealer technician will travel to your The spare tire, if equipped, must location within a 30-mile radius of a . Fuel delivery: Reimbursement is be in good condition and properly participating Cadillac dealership. up to 7 liters. Diesel fuel delivery inflated. It is your responsibility If beyond this radius, we will arrange may be restricted. Propane and for the repair or replacement of to have your car towed to the nearest other fuels are not provided the tire if it is not covered by the Cadillac dealership. Each technician through this service. warranty. travels with a specially equipped Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

CUSTOMER INFORMATION 403 . Lock-Out Service: Vehicle Scheduling Service Courtesy Transportation registration is required. Appointments Program . Trip Interruption Benefits and Service: Pre-authorization, original When the vehicle requires warranty To enhance your ownership detailed receipts, and a copy of the service, contact your dealer and experience, we and our participating repair orders are required. Once request an appointment. By dealers are proud to offer Courtesy authorization has been received, scheduling a service appointment and Transportation, a customer support the Roadside Service advisor will advising the service consultant of program for vehicles with the help you make arrangements and your transportation needs, your dealer Bumper-to-Bumper (Base Warranty explain how to receive payment. can help minimize your Coverage period in Canada), extended Items considered are hotel, meals, inconvenience. powertrain, and/or hybrid-specific and rental car or a vehicle being If the vehicle cannot be scheduled warranties in both the U.S. and delivered back to the customer, up into the service department Canada. to 800 km. immediately, keep driving it until it Several Courtesy Transportation . Alternative Service: If assistance can be scheduled for service, unless, options are available to assist in cannot be provided right away, the of course, the problem is safety reducing inconvenience when Roadside Service advisor may give related. If it is, please call your warranty repairs are required. you permission to get local dealership, let them know this, and Courtesy Transportation is not a part emergency road service. You will ask for instructions. of the New Vehicle Limited Warranty. receive payment, up to $100, after If your dealer requests you to bring A separate booklet entitled “Limited sending the original receipt to the vehicle for service, you are urged Warranty and Owner Assistance Roadside Service. Mechanical to do so as early in the work day as Information” furnished with each new failures may be covered, however possible to allow for same-day repair. vehicle provides detailed warranty any cost for parts and labor for coverage information. repairs not covered by the warranty are the owner responsibility. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

404 CUSTOMER INFORMATION Transportation Options Courtesy Rental Vehicle Transportation at any time and to resolve all questions of claim Warranty service can generally be For an overnight warranty repair, the eligibility pursuant to the terms and completed while you wait. However, dealer may provide an available conditions described herein at its sole if you are unable to do so, your dealer courtesy rental vehicle or provide for discretion. may offer the following transportation reimbursement of a rental vehicle. options: Reimbursement is limited and must be supported by original receipts as Collision Damage Repair Shuttle Service well as a signed and completed rental If the vehicle is involved in a collision This includes one-way or round-trip agreement and meet state/provincial, and it is damaged, have the damage shuttle service within reasonable time local, and rental vehicle provider repaired by a qualified technician and distance parameters of your requirements. Requirements vary and using the proper equipment and dealer's area. may include minimum age quality replacement parts. Poorly requirements, insurance coverage, performed collision repairs diminish Public Transportation or Fuel credit card, etc. Additional fees such Reimbursement the vehicle resale value, and safety as fuel usage charges, taxes, levies, performance can be compromised in If overnight warranty repairs are usage fees, excessive mileage, or rental subsequent collisions. needed, and public transportation is usage beyond the completion of the used, the expense must be supported repair are also your responsibility. Collision Parts by original receipts and within the It may not be possible to provide a Genuine GM Collision parts are new maximum amount allowed by GM for like vehicle as a courtesy rental. parts made with the same materials shuttle service. If U.S. customers and construction methods as the parts arrange their own transportation, Additional Program Information with which the vehicle was originally limited reimbursement for reasonable All program options, such as shuttle built. Genuine GM Collision parts are fuel expenses may be available. Claim service, may not be available at every the best choice to ensure that the amounts should reflect actual costs dealer. Contact your dealer for specific vehicle's designed appearance, and be supported by original receipts. availability. durability, and safety are preserved. See your dealer for information. The use of Genuine GM parts can help General Motors reserves the right to maintain the GM New Vehicle Limited unilaterally modify, change, Warranty. or discontinue Courtesy Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

CUSTOMER INFORMATION 405 Recycled original equipment parts Repair Facility If such insurance coverage is not may also be used for repair. These available from your current insurance GM also recommends that you choose parts are typically removed from carrier, consider switching to another a collision repair facility that meets vehicles that were total losses in prior insurance carrier. your needs before you ever need crashes. In most cases, the parts being collision repairs. Your dealer may have If the vehicle is leased, the leasing recycled are from undamaged sections a collision repair center with company may require you to have of the vehicle. A recycled original GM-trained technicians and insurance that ensures repairs with equipment GM part may be an state-of-the-art equipment, or be able Genuine GM Original Equipment acceptable choice to maintain the to recommend a collision repair center Manufacturer (OEM) parts or Genuine vehicle's originally designed that has GM-trained technicians and Manufacturer replacement parts. Read appearance and safety performance; comparable equipment. the lease carefully, as you may be however, the history of these parts is charged at the end of the lease for not known. Such parts are not covered Insuring the Vehicle poor quality repairs. by the GM New Vehicle Limited Warranty, and any related failures are Protect your investment in the GM If a Crash Occurs not covered by that warranty. vehicle with comprehensive and collision insurance coverage. There are If there has been an injury, call Aftermarket collision parts are also significant differences in the quality of emergency services for help. Do not available. These are made by coverage afforded by various leave the scene of a crash until all companies other than GM and may insurance policy terms. Many matters have been taken care of. Move not have been tested for the vehicle. insurance policies provide reduced the vehicle only if its position puts As a result, these parts may fit poorly, protection to the GM vehicle by you in danger, or you are instructed to exhibit premature durability/corrosion limiting compensation for damage move it by a police officer. problems, and may not perform repairs by using aftermarket collision Give only the necessary information properly in subsequent collisions. parts. Some insurance companies will to police and other parties involved in Aftermarket parts are not covered by not specify aftermarket collision parts. the crash. the GM New Vehicle Limited When purchasing insurance, we Warranty, and any vehicle failure recommend that you ensure that the For emergency towing see Roadside 0 related to such parts is not covered by vehicle will be repaired with GM Service 401. that warranty. original equipment collision parts. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

406 CUSTOMER INFORMATION Gather the following information: Managing the Vehicle Damage If another party's insurance company . Driver name, address, and Repair Process is paying for the repairs, you are not telephone number obligated to accept a repair valuation In the event that the vehicle requires based on that insurance company's . Driver license number damage repairs, GM recommends that collision policy repair limits, as you you take an active role in its repair. have no contractual limits with that . Owner name, address, and If you have a pre-determined repair telephone number company. In such cases, you can have facility of choice, take the vehicle control of the repair and parts choices . Vehicle license plate number there, or have it towed there. Specify as long as the cost stays within to the facility that any required . Vehicle make, model, and reasonable limits. replacement collision parts be original model year equipment parts, either new Genuine Publication Ordering . Vehicle Identification GM parts or recycled original GM Number (VIN) parts. Remember, recycled parts will Information . Insurance company and policy not be covered by the GM vehicle Service Manuals number warranty. Insurance pays the bill for the repair, Service manuals have the diagnosis . General description of the damage and repair information on the engine, to the other vehicle but you must live with the repair. Depending on your policy limits, your transmission, axle, suspension, brakes, Choose a reputable repair facility that insurance company may initially value electrical system, steering system, uses quality replacement parts. See the repair using aftermarket parts. body, etc. “Collision Parts” earlier in this section. Discuss this with the repair Customer Literature If the airbag has inflated, see What professional, and insist on Genuine Owner’s manuals are written Will You See after an Airbag Inflates? GM parts. Remember, if the vehicle is specifically for owners and are 0 88. leased, you may be obligated to have the vehicle repaired with Genuine GM intended to provide basic operational parts, even if your insurance coverage information about the vehicle. The does not pay the full cost. owner’s manual includes the Maintenance Schedule for all models. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

CUSTOMER INFORMATION 407 Customer literature publications Radio Frequency Reporting Safety available for purchase include owner’s manuals, warranty manuals, Statement Defects infotainment manuals, and portfolios. This vehicle has systems that operate Portfolios include an owner’s manual, on a radio frequency that complies Reporting Safety Defects warranty manual, infotainment with Part 15/Part 18 of the Federal to the United States manual, if applicable, and zip lock bag Communications Commission (FCC) or pouch. rules and with Innovation, Science Government and Economic Development (ISED) Current and Past Models If you believe that your vehicle Canada's RSP-100 / license-exempt has a defect which could cause a RSS's / ICES-001. Service manuals and customer crash or could cause injury or literature are available for many Operation is subject to the following death, you should immediately current and past model year GM two conditions: vehicles. inform the National Highway 1. The device may not cause Traffic Safety Administration To order, call 1-800-551-4123 harmful interference. (NHTSA) in addition to notifying Monday–Friday, 8:00 a.m.–6:00 p.m. eastern time 2. The device must accept any General Motors. interference received, including If NHTSA receives similar For credit card orders only (VISA, interference that may cause MasterCard, or Discover), see Helm, complaints, it may open an undesired operation of the investigation, and if it finds that a Inc. at: www.helminc.com. device. To order by mail, write to: safety defect exists in a group of Changes or modifications to any of vehicles, it may order a recall and Helm, Incorporated these systems by other than an remedy campaign. However, Attention: Customer Service authorized service facility could void NHTSA cannot become involved 47911 Halyard Drive authorization to use this equipment. Plymouth, MI 48170 in individual problems between you, your dealer, or General Make checks payable in U.S. funds. Motors. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

408 CUSTOMER INFORMATION To contact NHTSA, you may call or write to: Vehicle Data Recording the Vehicle Safety Hotline toll-free Transport Canada and Privacy at 1-888-327-4236 (TTY: Motor Vehicle Safety Directorate 1-800-424-9153); go to Defect Investigations and Recalls The vehicle has a number of http://www.safercar.gov; or write to: Division computers that record information Administrator, NHTSA 80 Noel Street about the vehicle’s performance and how it is driven. For example, the 1200 New Jersey Avenue, S.E. Gatineau, QC J8Z 0A1 vehicle uses computer modules to Washington, D.C. 20590 monitor and control engine and You can also obtain other Reporting Safety Defects transmission performance, to monitor information about motor vehicle to General Motors the conditions for airbag deployment and deploy them in a crash, and, safety from http://www.safercar.gov. In addition to notifying NHTSA (or if equipped, to provide antilock Transport Canada) in a situation like braking to help the driver control the Reporting Safety Defects this, notify General Motors. vehicle. These modules may store data to the Canadian Call 1-800-458-8006, or write: to help the dealer technician service Government Cadillac Customer Assistance Center the vehicle. Some modules may also Cadillac Motor Car Division store data about how the vehicle is If you live in Canada, and you operated, such as rate of fuel believe that the vehicle has a P.O. Box 33169 Detroit, MI 48232-5169 consumption or average speed. These safety defect, notify Transport modules may retain personal Canada immediately, and notify In Canada, call 1-888-446-2000, preferences, such as radio presets, seat General Motors of Canada or write: positions, and temperature settings. Company. Call Transport Canada Canadian Cadillac Customer Care at 1-800-333-0510; go to: Centre, Mail Code: CA1-163-005 General Motors of Canada Company www.tc.gc.ca/recalls (English) 1908 Colonel Sam Drive www.tc.gc.ca/rappels (French) Oshawa, Ontario L1H 8P7 Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

CUSTOMER INFORMATION 409 Event Data Recorders These data can help provide a better request by police or similar understanding of the circumstances in government office; as part of GM's This vehicle is equipped with an event which crashes and injuries occur. defense of litigation through the data recorder (EDR). The main Note discovery process; or, as required by purpose of an EDR is to record, in law. Data that GM collects or receives certain crash or near crash-like EDR data are recorded by your vehicle may also be used for GM research situations, such as an air bag only if a non-trivial crash situation needs or may be made available to deployment or hitting a road obstacle, occurs; no data are recorded by the others for research purposes, where a data that will assist in understanding EDR under normal driving conditions need is shown and the data is not tied how a vehicle’s systems performed. and no personal data (e.g., name, to a specific vehicle or vehicle owner. The EDR is designed to record data gender, age, and crash location) are related to vehicle dynamics and safety recorded. However, other parties, such OnStar systems for a short period of time, as law enforcement, could combine typically 30 seconds or less. The EDR the EDR data with the type of If the vehicle is equipped with OnStar in this vehicle is designed to record personally identifying data routinely and has an active service plan, such data as: acquired during a crash investigation. additional data may be collected through the OnStar system. This . How various systems in your To read data recorded by an EDR, includes information about the vehicle were operating; special equipment is required, and access to the vehicle or the EDR is vehicle’s operation; collisions involving . Whether or not the driver and needed. In addition to the vehicle the vehicle; the use of the vehicle and passenger safety belts were manufacturer, other parties, such as its features; and, in certain situations, buckled/fastened; law enforcement, that have the special the location and approximate GPS . How far (if at all) the driver was equipment, can read the information speed of the vehicle. Refer to the depressing the accelerator and/or if they have access to the vehicle or OnStar Terms and Conditions and brake pedal; and, the EDR. Privacy Statement on the OnStar website. . How fast the vehicle was traveling. GM will not access these data or share See OnStar Additional Information it with others except: with the consent 0 of the vehicle owner or, if the vehicle 413. is leased, with the consent of the lessee; in response to an official Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

410 CUSTOMER INFORMATION Infotainment System If the vehicle is equipped with a navigation system as part of the infotainment system, use of the system may result in the storage of destinations, addresses, telephone numbers, and other trip information. See the infotainment manual for information on stored data and for deletion instructions. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

ONSTAR 411 OnStar Overview OnStar may collect information about OnStar you and your vehicle, including location information. See OnStar User OnStar Overview Terms, Privacy Statement, and Software Terms for more details OnStar Overview ...... 411 including system limitations at OnStar Services www.onstar.com (U.S.) or Emergency ...... 412 www.onstar.ca (Canada). Security ...... 413 The OnStar system status light is next = Voice Command Button OnStar Additional Information to the OnStar buttons. If the status OnStar Additional Q Blue OnStar Button light is: Information ...... 413 > Red Emergency Button . Solid Green: System is ready. This vehicle may be equipped with a . Flashing Green: On a call. comprehensive, in-vehicle system that . Red: Indicates a problem. can connect to an OnStar Advisor for Emergency, Security, Navigation, . Off: System is off. Press Q twice Connections, and Diagnostics Services. to speak with an OnStar Advisor. OnStar services may require a paid Q service plan and data plan. OnStar Press or call 1-888-4ONSTAR requires the vehicle battery and (1-888-466-7827) to speak to an electrical system, cellular service, and Advisor. GPS satellite signals to be available Functionality of the Voice Command and operating. OnStar acts as a link to button may vary by vehicle and existing emergency service providers. region. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

412 ONSTAR Press = to: Press Q to connect to an Advisor to: OnStar Services . Open the OnStar app on the . Verify account information or infotainment display. See the update contact information. Emergency infotainment manual for . Get driving directions. Emergency Services require an active information on how to use the safety and security plan. With OnStar app. . Receive a Diagnostic check of the vehicle's key operating systems. Automatic Crash Response, built-in Or sensors can automatically alert a . Receive Roadside Assistance. . Make a call, end a call, or answer specially trained OnStar Advisor who an incoming call. . Manage Wi-Fi Settings, is immediately connected in to the if equipped. vehicle to help. . Give OnStar Hands-Free Calling voice commands. Press > to get a priority connection Press > for a priority connection to an OnStar Advisor who can contact . to an OnStar Advisor available 24/7 to: Give OnStar Turn-by-Turn emergency service providers, direct Navigation voice commands. . Get help for an emergency. them to your exact location, and relay . Obtain and customize the Wi-Fi . Be a Good Samaritan or respond important information. hotspot name or SSID and to an AMBER Alert. With OnStar Crisis Assist, specially password, if equipped. . Get assistance in severe weather trained Advisors are available or other crisis situations and find 24 hours a day, 7 days a week, to evacuation routes. provide a central point of contact, assistance, and information during a crisis. With Roadside Assistance, Advisors can locate a nearby service provider to help with a flat tire, a battery jump, or an empty gas tank. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

ONSTAR 413 Security OnStar Additional Reactivation for Subsequent Owners If equipped, OnStar provides these Information services: Press Q and follow the prompts to In-Vehicle Audio Messages . With Stolen Vehicle Assistance, speak to an Advisor as soon as OnStar Advisors can use GPS to Audio messages may play important possible. The Advisor will update pinpoint the vehicle and help information at the following times: vehicle records and explain OnStar or authorities quickly recover it. connected service options. . Prior to vehicle purchase. Press Q . With Remote Ignition Block, to set up an account. How OnStar Service Works if equipped, OnStar can block the Automatic Crash Response, engine from being restarted. . After change in ownership and at 90 days. Emergency Services, Crisis Assist, . With Stolen Vehicle Slowdown, Stolen Vehicle Assistance, Remote if equipped, OnStar can work with Transferring Service Services, Roadside Assistance, and law enforcement to gradually slow Q Hands-Free Calling are available on the vehicle down. Press to request account transfer most vehicles. Not all OnStar services eligibility information. The Advisor are available everywhere or on all Theft Alarm Notification can cancel or change account vehicles. For more information, a full If equipped, if the doors are locked information. description of OnStar services, system and the vehicle alarm sounds, a Selling/Transferring the Vehicle limitations, and OnStar User Terms, notification by text, e-mail, or phone Privacy Statement, and Software call will be sent. If the vehicle is Call 1-888-4ONSTAR (1-888-466-7827) Terms: immediately to terminate your OnStar stolen, an OnStar Advisor can work . Call 1-888-4ONSTAR with authorities to recover the vehicle. or connected services if the vehicle is disposed of, sold, transferred, or if the (1-888-466-7827). lease ends. . See www.onstar.com (U.S.). . See www.onstar.ca (Canada). . Call TTY 1-877-248-2080. . Press Q to speak with an Advisor. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

414 ONSTAR OnStar or connected services cannot Services for People with mode is on, phone calls can be made work unless the vehicle is in a place Disabilities or received with OnStar using the where OnStar has an agreement with infotainment display. a wireless service provider for service Advisors provide services to help with in that area. The wireless service physical disabilities and medical OnStar Personal Identification provider must also have coverage, conditions. Number (PIN) network capacity, reception, and Press Q to help: A PIN is needed to access some technology compatible with OnStar or OnStar services. The PIN will need to . connected services. Service involving Locate a gas station with an be changed the first time when location information about the vehicle attendant to pump gas. speaking with an Advisor. To change cannot work unless GPS signals are . Find a hotel, restaurant, etc., that the OnStar PIN, contact an OnStar available, unobstructed, and meets accessibility needs. Advisor by pressing Q or calling compatible with the OnStar hardware. 1-888-4ONSTAR. OnStar or connected services may not . Provide directions to the closest work if the OnStar equipment is not hospital or pharmacy in urgent Warranty properly installed or it has not been situations. OnStar equipment may be warranted properly maintained. If equipment or TTY Users software is added, connected, as part of the vehicle warranty. or modified, OnStar or connected OnStar has the ability to communicate Languages services may not work. Other to deaf, hard-of-hearing, problems beyond the control of or speech-impaired customers while in The vehicle can be programmed to OnStar — such as hills, tall buildings, the vehicle. The available respond in multiple languages. tunnels, weather, electrical system dealer-installed TTY system can Press Q and ask for an Advisor. design and architecture of the vehicle, provide in-vehicle access to all OnStar Advisors are available in English, damage to the vehicle in a crash, services, except Virtual Advisor and Spanish, and French. Available or wireless phone network congestion OnStar Turn-by-Turn Navigation. languages may vary by country. or jamming — may prevent service. If equipped, TTY mode can be turned See Radio Frequency Statement 0 407. on or off by touching Settings, then Apps, and then Phone. When TTY Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

ONSTAR 415 Potential Issues A temporary loss of GPS can cause function properly. These systems may loss of the ability to send a not operate if the battery is OnStar cannot perform Remote Door Turn-by-Turn Navigation route. The discharged or disconnected. Unlock or Stolen Vehicle Assistance Advisor may give a verbal route or after the vehicle has been off may ask for a call back after the Add-on Electrical Equipment continuously for 10 days without an vehicle is driven into an open area. ignition cycle. If the vehicle has not The OnStar system is integrated into been started for 10 days, OnStar can Cellular and GPS Antennas the electrical architecture of the contact Roadside Assistance or a vehicle. Do not add any electrical Cellular reception is required for equipment. See Add-On Electrical locksmith to help gain access to the 0 vehicle. OnStar to send remote signals to the Equipment 285. Added electrical vehicle. Do not place items over or equipment may interfere with the Global Positioning System (GPS) near the antenna to prevent blocking operation of the OnStar system and cellular and GPS signal reception. cause it to not operate. . Obstruction of the GPS can occur in a large city with tall buildings; Unable to Connect to OnStar Vehicle Software Updates in parking garages; around Message airports; in tunnels and OnStar or GM may remotely deliver underpasses; or in an area with If there is limited cellular coverage or software updates or changes to the very dense trees. If GPS signals are the cellular network has reached vehicle without further notice or not available, the OnStar system maximum capacity, this message may consent. These updates or changes should still operate to call OnStar. come on. Press Q to try the call again may enhance or maintain safety, However, OnStar could have or try again after driving a few miles security, or the operation of the difficulty identifying the exact into another cellular area. vehicle or the vehicle systems. location. Software updates or changes may Vehicle and Power Issues affect or erase data or settings that . In emergency situations, OnStar are stored in the vehicle, such as OnStar services require a vehicle can use the last stored GPS OnStar Hands-Free Calling name tags, electrical system, wireless service, and location to send to emergency saved navigation destinations, GPS satellite technologies to be responders. or pre-set radio stations. Neither available and operating for features to OnStar nor GM is responsible for any affected or erased data or settings. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

416 ONSTAR These updates or changes may also communications cannot be assured. THE SOFTWARE IS PROVIDED “AS collect personal information. Such Third parties may unlawfully intercept IS,” WITHOUT WARRANTY OF ANY collection is described in the OnStar or access transmissions and private KIND, EXPRESS OR IMPLIED, privacy statement or separately communications without consent. INCLUDING BUT NOT LIMITED TO disclosed at the time of installation. THE WARRANTIES OF These updates or changes may also OnStar - Software MERCHANTABILITY, FITNESS FOR A cause a system to automatically Acknowledgements PARTICULAR PURPOSE AND communicate with GM servers to Certain OnStar components include NONINFRINGEMENT OF THIRD collect information about vehicle libcurl and unzip software and other PARTY RIGHTS. IN NO EVENT SHALL system status, identify whether third party software. Below are the THE AUTHORS OR COPYRIGHT updates or changes are available, notices and licenses associated HOLDERS BE LIABLE FOR ANY or deliver updates or changes. An with libcurl and unzip and for other CLAIM, DAMAGES OR OTHER active OnStar agreement constitutes third party software please see LIABILITY, WHETHER IN AN ACTION consent to these software updates or http://opensource.lge.com/index OF CONTRACT, TORT OR changes and agreement that either OTHERWISE, ARISING FROM, OUT OnStar or GM may remotely deliver www.onstar.com/us/en/ OF OR IN CONNECTION WITH THE them to the vehicle. libcurl: SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. Privacy COPYRIGHT AND PERMISSION NOTICE Except as contained in this notice, the The complete OnStar Privacy name of a copyright holder shall not Statement may be found at Copyright (c) 1996 - 2010, Daniel be used in advertising or otherwise to www.onstar.com (U.S.), Stenberg, . promote the sale, use or other or www.onstar.ca (Canada). We All rights reserved. dealings in this Software without prior recommend that you review it. If you written authorization of the copyright Permission to use, copy, modify, and have any questions, call holder. 1-888-4ONSTAR (1-888-466-7827) or distribute this software for any press Q to speak with an Advisor. purpose with or without fee is hereby granted, provided that the above Users of wireless communications are copyright notice and this permission cautioned that the privacy of any notice appear in all copies. information sent via wireless cellular Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

ONSTAR 417 unzip: This software is provided “as is,” self-extracting archive; that is This is version 2005-Feb-10 of the without warranty of any kind, express permitted without inclusion of Info-ZIP copyright and license. or implied. In no event shall Info-ZIP this license, as long as the The definitive version of this or its contributors be held liable for normal SFX banner has not been document should be available at any direct, indirect, incidental, special removed from the binary or ftp://ftp.info-zip.org/pub/infozip/ or consequential damages arising out disabled. license.html indefinitely. of the use of or inability to use this 3. Altered versions–including, but software. Copyright (c) 1990-2005 Info-ZIP. All not limited to, ports to new rights reserved. Permission is granted to anyone to operating systems, existing ports use this software for any purpose, with new graphical interfaces, For the purposes of this copyright and including commercial applications, and dynamic, shared, or static license, “Info-ZIP” is defined as the and to alter it and redistribute it library versions–must be plainly following set of individuals: freely, subject to the following marked as such and must not be Mark Adler, John Bush, Karl Davis, restrictions: misrepresented as being the Harald Denker, Jean-Michel Dubois, 1. Redistributions of source code original source. Such altered Jean-loup Gailly, Hunter Goatley, Ed must retain the above copyright versions also must not be Gordon, Ian Gorman, Chris Herborth, notice, definition, disclaimer, and misrepresented as being Info-ZIP – Dirk Haase, Greg Hartwig, Robert this list of conditions. releases including, but not Heath, Jonathan Hudson, Paul Kienitz, limited to, labeling of the altered David Kirschbaum, Johnny Lee, Onno 2. Redistributions in binary form versions with the names van der Linden, Igor Mandrichenko, (compiled executables) must “Info-ZIP” (or any variation Steve P. Miller, Sergio Monesi, Keith reproduce the above copyright thereof, including, but not Owens, George Petrov, Greg Roelofs, notice, definition, disclaimer, and limited to, different Kai Uwe Rommel, Steve Salisbury, this list of conditions in capitalizations), “Pocket UnZip,” Dave Smith, Steven M. Schweda, documentation and/or other “WiZ” or “MacZip” without the Christian Spieler, Cosmin Truta, materials provided with the explicit permission of Info-ZIP. Antoine Verheijen, Paul von Behren, distribution. The sole exception Such altered versions are Rich Wales, Mike White. to this condition is redistribution further prohibited from of a standard UnZipSFX binary misrepresentative use of the (including SFXWiz) as part of a Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

418 ONSTAR Zip-Bugs or Info-ZIP e-mail addresses or of the Info-ZIP URL(s). 4. Info-ZIP retains the right to use the names “Info-ZIP,”“Zip,” “UnZip,”“UnZipSFX,”“WiZ,” “Pocket UnZip,”“Pocket Zip,” and “MacZip” for its own source and binary releases. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

CONNECTED SERVICES 419 Connected Services Connected Services Cancel Route 1. Press =. System responds: Navigation “OnStar ready,” then a tone. Connected Services Navigation ...... 419 Navigation requires a specific OnStar 2. Say “Cancel route.” System Connections ...... 420 or connected service plan. responds: “Do you want to cancel directions?” Diagnostics ...... 422 Press Q to receive Turn-by-Turn directions or have them sent to the 3. Say “Yes.” System responds: “OK, vehicle’s navigation screen, request completed, thank you, if equipped. goodbye.” Turn-by-Turn Navigation Route Preview = 1. Press Q to connect to an 1. Press . System responds: “ ” Advisor. OnStar ready, then a tone. “ ” 2. Request directions to be 2. Say Route preview. System downloaded to the vehicle. responds with the next three maneuvers. 3. Follow the voice-guided commands. Repeat Using Voice Commands During a 1. Press =. System responds: Planned Route “OnStar ready,” then a tone. Functionality of the Voice Command 2. Say “Repeat.” System responds button, if equipped, may vary by with the last direction given, vehicle and region. For some vehicles, then responds with “OnStar ready,” then a tone. press = to open the OnStar app on the infotainment display. For other vehicles press = as follows. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

420 CONNECTED SERVICES Get My Destination For coverage maps, see 1. To retrieve Wi-Fi hotspot = www.onstar.com (U.S.) or information, press = to open 1. Press . System responds: www.onstar.ca (Canada). “OnStar ready,” then a tone. the OnStar app on the Ensuring Security infotainment display, then select 2. Say “Get my destination.” System Wi-Fi Hotspot. On some vehicles, responds with the address and . Change the default passwords for touch Wi-Fi or Wi-Fi Settings on distance to the destination, then the Wi-Fi hotspot and myCadillac the screen. responds with “OnStar ready,” mobile app. Make these passwords then a tone. different from each other and use 2. The Wi-Fi settings will display a combination of letters, numbers, the Wi-Fi hotspot name (SSID), Send Destination to Vehicle and symbols to increase the password, and on some vehicles, Directions can be sent to the vehicle’s security. the connection type (no Internet navigation screen, if equipped. connection, 3G, 4G, 4G LTE), and . Change the default name of the signal quality (poor, good, Press Q, then ask the Advisor to SSID (Service Set Identifier). This excellent). is your network’s name that is download directions to the vehicle’s visible to other wireless devices. 3. To change the SSID or password, navigation system, if equipped. After Choose a unique name and avoid press Q or call 1-888-4ONSTAR the call ends, the navigation screen family names or vehicle will provide prompts to begin driving to connect with an Advisor. On descriptions. directions. Routes that are sent to the some vehicles, the SSID and password can be changed in the navigation screen can only be Wi-Fi Hotspot (If Equipped) canceled through the navigation Wi-Fi Hotspot menu. The vehicle may have a built-in Wi-Fi system. After initial set-up, your vehicle’s hotspot that provides access to the Wi-Fi hotspot will connect See www.onstar.com (U.S.) or Internet and web content at 4G LTE automatically to your mobile devices. www.onstar.ca (Canada). speed. Up to seven mobile devices can Manage data usage by turning Wi-Fi be connected. A data plan is required. on or off on your mobile device, by Use the in-vehicle controls only when Connections using the myCadillac mobile app, it is safe to do so. The following services help with or by contacting an OnStar Advisor. staying connected. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

CONNECTED SERVICES 421 On some vehicles, Wi-Fi can also be . Locate a dealer and schedule OnStar Hands-Free Calling managed from the Wi-Fi service. Make and receive calls with the Hotspot menu. . Request roadside assistance. built-in wireless calling service, which MyCadillac Mobile App (If Available) . Set a parking reminder with pin requires available minutes. Functionality of the Voice Command Download the myCadillac mobile app drop, take a photo, make a note, button may vary by vehicle and to compatible Apple and Android and set a timer. region. For some vehicles, press = to smartphones. Cadillac users can . Connect with Cadillac on social open the OnStar app on the access the following services from a media. smartphone: infotainment display, then select Features are subject to change. For Hands-Free calling. For other vehicles . Remotely start/stop the vehicle, myCadillac mobile app information press = as follows. if factory-equipped. and compatibility, see my.cadillac.com. Make a Call . Lock/unlock doors, if equipped An active OnStar or connected service with automatic locks. plan may be required. A compatible 1. Press =. System responds: . Activate the horn and lamps. device, factory-installed remote start, “OnStar ready.” and power locks are required. Data . ’ Check the vehicle s fuel level, oil rates apply. See www.onstar.com for 2. Say “Call.” System responds: “Call. life, or tire pressure, details and system limitations. Please say the name or number if factory-equipped with the Tire to call.” Pressure Monitor System. Remote Services 3. Say the entire number without . Send destinations to the vehicle. Contact an OnStar Advisor to unlock pausing, including a “1” and the . Locate the vehicle on a map (U.S. the doors or sound the horn and flash area code. System responds: “OK, market only). the lamps. calling.” . Turn the vehicle's Wi-Fi hotspot Marketplace Calling 911 Emergency on/off, manage settings, and OnStar Advisors can provide offers = monitor data consumption, 1. Press . System responds: from restaurants and retailers on your “OnStar ready.” if equipped. route, help locate hotels, or book a room. These services vary by market. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

422 CONNECTED SERVICES

2. Say “Call.” System responds: “Call. If equipped, press = and touch Please say the name or number Account Services to view the number to call.” of remaining minutes, available Wi-Fi 3. Say “911” without pausing. data, and other account information. System responds: “911.” 4. Say “Call.” System responds: “OK, Diagnostics dialing 911.” By monitoring and reporting on the ’ Retrieve My Number vehicle s key systems, OnStar Advanced Diagnostics, if equipped, 1. Press =. System responds: provides a way to keep up on “OnStar ready.” maintenance. Capabilities vary by model. See www.onstar.com for details 2. Say “My number.” System and system limitations. Features are responds: “Your OnStar subject to change. For updates on Hands-Free Calling number is,” feature capabilities, see then says the number. my.cadillac.com. Message and data End a Call rates may apply. Press =. System responds: “Call ended.” Verify Minutes and Expiration Press = and say “Minutes” then “Verify” to check how many minutes remain and their expiration date. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

INDEX 423 Index A Airbag System (cont'd) Accessories and Modifications . . . . . 288 When Should an Airbag Accessory Power ...... 205 Inflate? ...... 86 Active Fuel Management ...... 207 Where Are the Airbags? ...... 85 Adaptive Cruise Control ...... 227 Airbags Add-On Electrical Equipment ...... 285 Adding Equipment to the Additional Information Vehicle ...... 93 OnStar ...... 413 Passenger Status Indicator ...... 138 Additional Maintenance Readiness Light ...... 137 and Care ...... 385 Servicing Airbag-Equipped Adjustments Vehicles ...... 93 Lumbar, Front Seats ...... 64 System Check ...... 83 Lumbar, Rear Seats ...... 73 Alarm Thigh Support ...... 65 Vehicle Security ...... 48 Air Cleaner/Filter, Engine ...... 302 Alert Air Conditioning ...... 175, 180 Lane Change ...... 268 Air Filter Rear Pedestrian ...... 258 Life System ...... 302 Side Blind Zone (SBZA) ...... 268 Air Filter, Passenger All-Season Tires ...... 336 Compartment ...... 187 All-Wheel Drive ...... 215, 315 Air Vents ...... 186 Antilock Brake System (ABS) ...... 215 Airbag System Warning Light ...... 143 Check ...... 94 Appearance Care How Does an Airbag Restrain? . . . . .87 Exterior ...... 369 Passenger Sensing System ...... 89 Interior ...... 373 What Makes an Airbag Inflate? . . . .87 Armrest Storage ...... 115 What Will You See after an Ashtrays ...... 126 Airbag Inflates? ...... 88 Assistance Systems for Driving . . . . 259 Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

424 INDEX Assistance Systems for Parking Brake Pad Life System ...... 312 Carbon Monoxide (cont'd) and Backing ...... 251 Brakes ...... 311 Trunk ...... 42 Auto Stop Antilock ...... 215 Winter Driving ...... 194 Stop/Start System ...... 202 Assist ...... 218 Cargo Automatic Fluid ...... 313 Tie-Downs ...... 117 Climate Control System . . . . . 175, 180 Pad Life System ...... 312 Caution, Danger, and Warning ...... 3 Dimming Mirrors ...... 52 Braking ...... 190 Center Console Storage ...... 116 Door Locks ...... 40 Automatic Forward ...... 262 Chains, Tire ...... 356 Forward Braking ...... 262 Braking System Charging Headlamp System ...... 169 Front Pedestrian (FPB) ...... 263 Wireless ...... 123 Transmission ...... 209 Break-In, New Vehicle ...... 199 Charging System Light ...... 139 Transmission Fluid ...... 301 Bulb Replacement Check Vehicle Hold Light ...... 144 Headlamp Aiming ...... 319 Engine Light (Malfunction Automatic Transmission Headlamps ...... 319 Indicator) ...... 139 Manual Mode ...... 214 Buying New Tires ...... 352 Child Restraints Automatic Vehicle Hold (AVH) . . . . 218 C Infants and Young Children ...... 97 Lower Anchors and Tethers B Calibration ...... 122 for Children ...... 102 Battery California Older Children ...... 95 Exterior Lighting Battery Perchlorate Materials Securing ...... 108, 110 Saver ...... 173 Requirements ...... 288 Systems ...... 99 Load Management ...... 173 California Proposition Cigarette Lighter ...... 125 Power Protection ...... 173 65 Warning ...... 287, 314, 364, Circuit Breakers ...... 320 Battery - North America ...... 314, 364 Back Cover Cleaning Blade Replacement, Wiper ...... 317 Canadian Vehicle Owners ...... 2 Exterior Care ...... 369 Brake Capacities and Specifications ...... 393 Interior Care ...... 373 Parking, Electric ...... 216 Carbon Monoxide Climate Control Systems System Warning Light ...... 141 Engine Exhaust ...... 208 Automatic ...... 175, 180 Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

INDEX 425 Clock ...... 122 Courtesy Transportation Distracted Driving ...... 189 Cluster, Instrument ...... 127, 130 Program ...... 403 Dome Lamps ...... 171 Collision Damage Repair ...... 404 Cruise Control ...... 225 Door Compact Spare Tire ...... 363 Light ...... 148 Ajar Light ...... 149 Compartments Cruise Control, Adaptive ...... 227 Delayed Locking ...... 40 Storage ...... 114 Cruise Control, Super ...... 235 Locks ...... 37 Compass ...... 122 Cupholders ...... 115 Power Locks ...... 40 Connected Services Customer Assistance ...... 400 Rear Seat Pass-Through ...... 75 Connections ...... 420 Offices ...... 399 Drive Belt Routing, Engine ...... 396 Diagnostics ...... 422 Text Telephone (TTY) Users . . . . . 400 Drive Systems Navigation ...... 419 Customer Information All-Wheel Drive ...... 215, 315 Connections Publications Ordering Driver Assistance Systems ...... 250 Connected Services ...... 420 Information ...... 406 Driver Information Control Customer Satisfaction Center (DIC) ...... 149 Traction and Electronic Procedure ...... 397 Driver Mode Control ...... 221 Stability ...... 219 D Driver Mode Control Light ...... 146 Control of a Vehicle ...... 190 Driving Damage Repair, Collision ...... 404 Convenience Net ...... 117 Assistance Systems ...... 259 Danger, Warning, and Caution ...... 3 Convex Mirrors ...... 51 Characteristics and Data Collection Coolant Towing Tips ...... 278 Infotainment System ...... 410 Engine Temperature Gauge ...... 135 Defensive ...... 190 OnStar ...... 409 Engine Temperature Warning Drunk ...... 190 Data Recorders, Event ...... 409 Light ...... 146 For Better Fuel Economy ...... 27 Daytime Running Lamps (DRL) . . . 168 Cooling ...... 175, 180 Hill and Mountain Roads ...... 193 Defensive Driving ...... 190 Cooling System ...... 305 If the Vehicle is Stuck ...... 195 Delayed Locking ...... 40 Cornering Lamps ...... 170 Loss of Control ...... 192 Diagnostics Courtesy Lamps ...... 171 Off-Road Recovery ...... 191 Connected Services ...... 422 Track Events and Competitive . . . 192 Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

426 INDEX Driving (cont'd) Engine (cont'd) Flash-to-Pass ...... 168 Vehicle Load Limits ...... 195 Drive Belt Routing ...... 396 Flashers, Hazard Warning ...... 169 Wet Roads ...... 192 Exhaust ...... 208 Flat Tire ...... 356 Winter ...... 194 Heater ...... 203 Changing ...... 358 E Oil Life System ...... 300 Floor Mats ...... 376 Oil Pressure Gauge ...... 134 Fluid Electric Parking Brake ...... 216 Oil Pressure Light ...... 147 Automatic Transmission ...... 301 Electric Parking Brake Light ...... 142 Overheating ...... 310 Brakes ...... 313 Electrical Equipment, Add-On . . . . . 285 Power Messages ...... 156 Washer ...... 311 Electrical System Running While Parked ...... 209 Folding Mirrors ...... 52 Engine Compartment Fuse Starting ...... 201 Forward Automatic Braking ...... 262 Block ...... 321 Engine Air Filter Life System ...... 302 Forward Collision Alert (FCA) Fuses and Circuit Breakers ...... 320 Entry Lighting ...... 172 System ...... 260 Instrument Panel Fuse Block . . . . 328 Equipment, Towing ...... 283 Frequency Statement Overload ...... 320 Event Data Recorders ...... 409 Radio ...... 407 Rear Compartment Fuse Exit Lighting ...... 172 Front Pedestrian Braking (FPB) Block ...... 330 Extended Parking ...... 208 System ...... 263 Emergency Extender, Seat Belt ...... 81 Front Seats OnStar ...... 412 Exterior Lamp Controls ...... 166 Heated and Ventilated ...... 69 Engine Exterior Lamps Off Reminder ...... 168 Fuel Air Cleaner/Filter ...... 302 Exterior Lighting Battery Saver . . . . 173 Additives ...... 276 Check Light (Malfunction Economy Driving ...... 27 Indicator) ...... 139 F Filling a Portable Fuel Compartment Overview ...... 290 Features Container ...... 277 Coolant Temperature Gauge . . . . . 135 Memory ...... 12 Filling the Tank ...... 276 Coolant Temperature Filter, Foreign Countries ...... 275 Warning Light ...... 146 Engine Air Cleaner ...... 302 Gauge ...... 133 Cooling System ...... 305 Low Fuel Warning Light ...... 147 Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

INDEX 427 Fuel (cont'd) Gear Shifting Light ...... 143 Heated and Ventilated Rear Management, Active ...... 207 General Information Seats ...... 74 Prohibited Fuels ...... 275 Service and Maintenance ...... 377 Heated Mirrors ...... 52 Recommended ...... 274, 275 Towing ...... 278 Heater Top Tier ...... 274 Vehicle Care ...... 287 Engine ...... 203 Fuses Glove Box ...... 114 Heating ...... 175, 180 Engine Compartment Fuse GM Mobility Reimbursement High-Beam On Light ...... 148 Block ...... 321 Program ...... 401 High-Speed Operation ...... 344 Fuses and Circuit Breakers ...... 320 H Hill and Mountain Roads ...... 193 Instrument Panel Fuse Block . . . . 328 Hill Start Assist (HSA) ...... 218 Hazard Warning Flashers ...... 169 Rear Compartment Fuse Hood ...... 289 Head Restraints ...... 62 Block ...... 330 Horn ...... 120 Head-up Display ...... 152 How to Wear Seat Belts Properly . . . 76 G Headlamps HVAC ...... 175, 180 Garage Door Opener ...... 162 Aiming ...... 319 Programming ...... 162 Automatic ...... 169 I Gas Strut(s) ...... 318 Bulb Replacement ...... 319 Ignition Positions ...... 200 Gauges Daytime Running Immobilizer ...... 50 Engine Coolant Temperature . . . . 135 Lamps (DRL) ...... 168 Indicator Engine Oil Pressure ...... 134 Flash-to-Pass ...... 168 Pedestrian Ahead ...... 144 Fuel ...... 133 High-Beam On Light ...... 148 Vehicle Ahead ...... 144 Odometer ...... 132 High/Low Beam Changer ...... 168 Infants and Young Children, Speedometer ...... 132 Lamps On Reminder ...... 148 Restraints ...... 97 Tachometer ...... 133 Heated Information Trip Odometer ...... 132 Steering Wheel ...... 119 Publication Ordering ...... 406 Voltmeter ...... 136 Heated and Ventilated Front Infotainment ...... 174 Warning Lights and Seats ...... 69 Infotainment System ...... 410 Indicators ...... 126 Instrument Cluster ...... 127, 130 Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

428 INDEX Instrument Panel Lamps (cont'd) Lights (cont'd) Storage Area ...... 114 Reading ...... 171 Cruise Control ...... 148 Instrument Panel Overview ...... 6 Lane Change Alert (LCA) ...... 268 Door Ajar ...... 149 Interior Rearview Mirrors ...... 53 Lane Departure Driver Mode Control ...... 146 Introduction ...... 2 Warning (LDW) ...... 270 Electric Parking Brake ...... 142 J Lane Keep Assist (LKA) ...... 270 Engine Coolant Temperature Lane Keep Assist Light ...... 144 Warning ...... 146 Jump Starting - North America . . . . 364 Lap-Shoulder Belt ...... 78 Engine Oil Pressure ...... 147 K LATCH System Flash-to-Pass ...... 168 Keyless Entry Replacing Parts after a Crash . . . . 107 Gear Shifting ...... 143 Remote (RKE) System ...... 29 LATCH, Lower Anchors and High-Beam On ...... 148 Keys ...... 28 Tethers for Children ...... 102 High/Low Beam Changer ...... 168 L LED Lighting ...... 319 Lane Keep Assist ...... 144 Labeling, Tire Sidewall ...... 338 Lighter, Cigarette ...... 125 Low Fuel Warning ...... 147 Lamps Lighting Seat Belt Reminders ...... 137 Cornering ...... 170 Entry ...... 172 Security ...... 148 Courtesy ...... 171 Exit ...... 172 Service Electric Parking Brake . . . 143 Daytime Running (DRL) ...... 168 Illumination Control ...... 170 StabiliTrak OFF ...... 145 Dome ...... 171 LED ...... 319 Tire Pressure ...... 147 Exterior Controls ...... 166 Lights Traction Control System Exterior Lamps Off Reminder . . . . 168 Airbag Readiness ...... 137 (TCS)/StabiliTrak ...... 145 Exterior Lighting Battery Antilock Brake System (ABS) Traction Off ...... 145 Saver ...... 173 Warning ...... 143 Locking Rear Axle ...... 224 Malfunction Indicator (Check Automatic Vehicle Hold ...... 144 Locks Engine) ...... 139 Brake System Warning ...... 141 Automatic Door ...... 40 On Reminder ...... 148 Charging System ...... 139 Delayed Locking ...... 40 Check Engine (Malfunction Door ...... 37 Indicator) ...... 139 Lockout Protection ...... 40 Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

INDEX 429 Locks (cont'd) Messages (cont'd) Oil Power Door ...... 40 Vehicle Speed ...... 156 Engine ...... 297 Safety ...... 41 Mirror Engine Oil Life System ...... 300 Loss of Control ...... 192 Rear Camera ...... 53 Engine Oil Pressure Gauge ...... 134 Low Fuel Warning Light ...... 147 Mirrors Pressure Light ...... 147 Low-Profile Tires ...... 337 Automatic Dimming ...... 52 Older Children, Restraints ...... 95 Lower Anchors and Tethers for Automatic Dimming Rearview . . . . .53 Online Owner Center ...... 400 Children (LATCH System) ...... 102 Convex ...... 51 OnStar ...... 409 Lumbar Adjustment ...... 64, 73 Folding ...... 52 OnStar Additional Information . . . . 413 Front Seats ...... 64 Heated ...... 52 OnStar Emergency ...... 412 Rear Seats ...... 73 Power ...... 51 OnStar Overview ...... 411 M Tilt in Reverse ...... 52 OnStar Security ...... 413 Mirrors, Interior Rearview ...... 53 Outlets Maintenance Mode ...... 221 Power ...... 122 Records ...... 391 Driver Control ...... 221 Overheating, Engine ...... 310 Maintenance and Care Monitor System, Tire Pressure . . . . . 345 Additional ...... 385 P Maintenance Schedule ...... 379 N Park Recommended Fluids and Navigation Shifting Into ...... 205 Lubricants ...... 388 Connected Services ...... 419 Shifting Out of ...... 205 Malfunction Indicator Lamp ...... 139 Net, Convenience ...... 117 Park Assist ...... 251 Manual Mode ...... 214 New Vehicle Break-In ...... 199 Parking Massage ...... 71 Night Vision System ...... 266 Brake and P (Park) Memory Features ...... 12 O Mechanism Check ...... 316 Memory Seats ...... 66 Extended ...... 208 Odometer ...... 132 Messages Over Things That Burn ...... 207 Trip ...... 132 Engine Power ...... 156 Parking or Backing Off-Road Vehicle ...... 156 Assistance Systems ...... 251 Recovery ...... 191 Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

430 INDEX Passenger Airbag Status Publication Ordering Reimbursement Program, GM Indicator ...... 138 Information ...... 406 Mobility ...... 401 Passenger Compartment Air R Remote Keyless Entry (RKE) Filter ...... 187 System ...... 29 Radio Frequency Statement ...... 407 Passenger Sensing System ...... 89 Remote Vehicle Start ...... 36 Reading Lamps ...... 171 Pedestrian Ahead Indicator ...... 144 Replacement Parts Rear Axle Perchlorate Materials Airbags ...... 95 Locking ...... 224 Requirements, California ...... 288 Maintenance ...... 389 Rear Camera Mirror ...... 53 Personalization Replacing Airbag System ...... 95 Rear Pedestrian Alert ...... 258 Vehicle ...... 157 Replacing LATCH System Parts Rear Seat Pass-Through Door ...... 75 Power after a Crash ...... 107 Rear Seats ...... 72 Door Locks ...... 40 Replacing Seat Belt System Heated and Ventilated ...... 74 Mirrors ...... 51 Parts after a Crash ...... 82 Rear Storage ...... 115 Outlets ...... 122 Reporting Safety Defects Rear Vision Camera (RVC) ...... 251 Protection, Battery ...... 173 Canadian Government ...... 408 Rear Window Sunshade ...... 58 Retained Accessory (RAP) ...... 205 General Motors ...... 408 Rearview Mirrors Seat Adjustment ...... 64 U.S. Government ...... 407 Automatic Dimming ...... 53 Windows ...... 56 Restraints Reclining Seatbacks ...... 66 Pregnancy, Using Seat Belts ...... 81 Where to Put ...... 101 Recommended Privacy Retained Accessory Fuel ...... 274, 275 Vehicle Data Recording ...... 408 Power (RAP) ...... 205 Recommended Fluids and Program Reverse Tilt Mirrors ...... 52 Lubricants ...... 388 Courtesy Transportation ...... 403 Roads Recorder Prohibited Fuels ...... 275 Driving, Wet ...... 192 Video ...... 272 Proposition Roadside Service ...... 401 Records 65 Warning, Roof Maintenance ...... 391 California ...... 287, 314, 364, Sunroof ...... 59 Recreational Vehicle Towing ...... 368 Back Cover Rotation, Tires ...... 350 Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

INDEX 431 Routing, Engine Drive Belt ...... 396 Seats (cont'd) Signals, Turn and Lane-Change . . . . 170 Running the Vehicle While Power Adjustment, Front ...... 64 Spare Tire Parked ...... 209 Rear ...... 72 Compact ...... 363 S Reclining Seatbacks ...... 66 Special Application Services ...... 384 Securing Child Restraints . . . . .108, 110 Specifications and Capacities ...... 393 Safety Defects Reporting Security Speedometer ...... 132 Canadian Government ...... 408 Light ...... 148 StabiliTrak General Motors ...... 408 OnStar ...... 413 OFF Light ...... 145 U.S. Government ...... 407 Vehicle ...... 48 Start Assist, Hill ...... 218 Safety Locks ...... 41 Vehicle Alarm ...... 48 Start Vehicle, Remote ...... 36 Safety System Check ...... 82 Service ...... 187 Starter Switch Check ...... 316 Scheduling Appointments ...... 403 Accessories and Starting the Engine ...... 201 Seat Belts ...... 75 Modifications ...... 288 Steering ...... 190 Care ...... 82 Doing Your Own Work ...... 288 Heated Wheel ...... 119 Extender ...... 81 Maintenance Records ...... 391 Wheel Adjustment ...... 119 How to Wear Seat Belts Maintenance, General Wheel Controls ...... 119 Properly ...... 76 Information ...... 377 Stop/Start System ...... 202 Lap-Shoulder Belt ...... 78 Parts Identification Label ...... 392 Storage Reminders ...... 137 Scheduling Appointments ...... 403 Rear ...... 115 Replacing after a Crash ...... 82 Service Electric Parking Brake Storage Areas Use During Pregnancy ...... 81 Light ...... 143 Armrest ...... 115 Seats Services Center Console ...... 116 Head Restraints ...... 62 Special Application ...... 384 Convenience Net ...... 117 Heated and Ventilated Front ...... 69 Servicing the Airbag ...... 93 Glove Box ...... 114 Heated and Ventilated, Rear ...... 74 Shifting Instrument Panel ...... 114 Lumbar Adjustment, Front ...... 64 Into Park ...... 205 Storage Compartments ...... 114 Lumbar Adjustment, Rear ...... 73 Out of Park ...... 205 Struts Memory ...... 66 Side Blind Zone Alert (SBZA) ...... 268 Gas ...... 318 Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

432 INDEX Stuck Vehicle ...... 195 Tires (cont'd) Towing (cont'd) Summer Tires ...... 337 Changing ...... 358 Trailer ...... 282 Sun Visors ...... 57 Compact Spare ...... 363 Vehicle ...... 367 Sunroof ...... 59 Designations ...... 340 Track Events and Competitive Sunshade Different Size ...... 353 Driving ...... 192 Rear Window ...... 58 If a Tire Goes Flat ...... 356 Traction Super Cruise ...... 235 Inspection ...... 349 Control System Symbols ...... 3 Low Profile ...... 337 (TCS)/StabiliTrak Light ...... 145 System Pressure ...... 343, 344 Off Light ...... 145 Brake Pad Life ...... 312 Pressure Light ...... 147 Traction Control/Electronic Engine Air Filter Life ...... 302 Pressure Monitor Operation ...... 346 Stability Control ...... 219 Forward Collision Alert (FCA) . . . . 260 Pressure Monitor System ...... 345 Trailer Infotainment ...... 174, 410 Rotation ...... 350 Towing ...... 282 Night Vision ...... 266 Sidewall Labeling ...... 338 Transmission Systems Terminology and Definitions . . . . 340 Automatic ...... 209 Driver Assistance ...... 250 Uniform Tire Quality Grading . . . . 353 Fluid, Automatic ...... 301 T Wheel Alignment and Tire Transportation Program, Balance ...... 355 Courtesy ...... 403 Tachometer ...... 133 Wheel Replacement ...... 355 Trip Odometer ...... 132 Text Telephone (TTY) Users ...... 400 When It Is Time for New Trunk ...... 42 Theft-Deterrent Systems ...... 50 Tires ...... 351 Turn and Lane-Change Signals . . . . 170 Immobilizer ...... 50 Winter ...... 336 Thigh Support Adjustment ...... 65 U Top Tier Fuel ...... 274 Time ...... 122 Uniform Tire Quality Grading ...... 353 Towing Tires ...... 335 Universal Remote System ...... 162 Driving Characteristics ...... 278 All-Season ...... 336 Operation ...... 164 Equipment ...... 283 Buying New Tires ...... 352 Programming ...... 162 General Information ...... 278 Chains ...... 356 Using This Manual ...... 2 Recreational Vehicle ...... 368 Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-12533370) - 2019 - CRC - 8/1/18

INDEX 433 V W Vehicle Warning Alarm System ...... 48 Brake System Light ...... 141 Automatic Hold Light ...... 144 Caution and Danger ...... 3 Canadian Owners ...... 2 Lane Departure (LDW) ...... 270 Control ...... 190 Warning Lights, Gauges, and Identification Number (VIN) . . . . . 392 Indicators ...... 126 Load Limits ...... 195 Warnings Messages ...... 156 Hazard Flashers ...... 169 Personalization ...... 157 Washer Fluid ...... 311 Remote Start ...... 36 Wheels Security ...... 48 Alignment and Tire Balance . . . . . 355 Speed Messages ...... 156 Different Size ...... 353 Towing ...... 367 Replacement ...... 355 Vehicle Ahead Indicator ...... 144 When It Is Time for New Tires . . . . 351 Vehicle Care Where to Put the Restraint ...... 101 Tire Pressure ...... 343 Windows ...... 55 Vehicle Data Recording and Power ...... 56 Privacy ...... 408 Windshield Vehicle Hold Replacement ...... 317 Automatic ...... 218 Wiper/Washer ...... 120 Vehicle Hold (AVH) Winter Automatic ...... 218 Driving ...... 194 Ventilation, Air ...... 186 Winter Tires ...... 336 Video Recorder ...... 272 Wiper Blade Replacement ...... 317 Visors ...... 57 Wireless Charging ...... 123 Voltmeter Gauge ...... 136 19_CAD_CT6_COV_en_US_84075049A_2018JUL20.ai 1 6/29/2018 7:53:08 AM 2019 CT6

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