CT6

2020 CT6 84373157 A 84373157 20_CAD_CT6_COV_en_US_84373157A_2019JUN14.ai 1 4/18/2019 11:43:08 AM AM 11:43:08 11:43:08 1 4/18/2019 1 4/18/2019 20_CAD_CT6_COV_en_US_84373157A_2019JUN14.ai 20_CAD_CT6_COV_en_US_84373157A_2019JUN14.ai K Y M C CY MY CM CMY Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

Contents Introduction ...... 2 Keys, Doors, and Windows ...... 9 Seats and Restraints ...... 43 Storage ...... 98 Instruments and Controls ...... 102 Lighting ...... 149 Infotainment System ...... 157 Climate Controls ...... 158 Driving and Operating ...... 171 Vehicle Care ...... 270 Service and Maintenance ...... 357 Technical Data ...... 372 Customer Information ...... 376 Reporting Safety Defects ...... 386 OnStar ...... 390 Connected Services ...... 397 Index ...... 400 Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

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

Litho in U.S.A. Part No. 84373157 A First Printing © 2019 General Motors LLC. All Rights Reserved. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

INTRODUCTION 3 Symbols ! : Antilock Brake System (ABS) { Warning The vehicle has components and $ : Brake System Warning Light Warning indicates a hazard that labels that use symbols instead of 9 : Dispose of Used Components could result in injury or death. text. Symbols are shown along with Properly the text describing the operation or information relating to a specific P : Do Not Apply High Pressure component, control, message, gauge, Water Caution or indicator. B : Engine Coolant Temperature Caution indicates a hazard that M : Shown when the owner’s manual _ : Flame/Fire Prohibited could result in property or vehicle has additional instructions or H : Flammable damage. information. * : Shown when the service manual [ : Forward Collision Alert has additional instructions or R : Fuse Block Cover Lock Location information. + : Fuses 0 : Shown when there is more j : ISOFIX/LATCH System Child information on another page — Restraints “see page.” Q : Keep Fuse Block Covers Properly Vehicle Symbol Chart Installed A circle with a slash through it is a Here are some additional symbols that | : Lane Change Alert safety symbol which means “Do not,” may be found on the vehicle and what “Do not do this,” or “Do not let this they mean. See the features in this @ : Lane Departure Warning ” happen. manual for information. A : Lane Keep Assist u : Air Conditioning System * : Malfunction Indicator Lamp G : Air Conditioning Refrigerant Oil : : Oil Pressure 9 : Airbag Readiness Light X : Park Assist Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

4 INTRODUCTION

~ : 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 7 : Tire Pressure Monitor d : Traction Control/StabiliTrak/ Electronic Stability Control (ESC) a : Under Pressure V : Vehicle Ahead Indicator Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

INTRODUCTION 5 Instrument Panel Overview Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

6 INTRODUCTION 1. Air Vents 0 169. 8. Light Sensor. See Automatic 17. Driver Information Center (DIC) 0 2. Exterior Lamp Controls 0 149. Headlamp System 152. Controls. See Driver Information 0 Center (DIC) 0 132. Turn Signal Lever. See Turn and 9. Hazard Warning Flashers 152. Lane-Change Signals 0 153. Glove Box Button. See Glove Box 18. Steering Wheel Controls. See the 0 98. infotainment manual. 3. Tap Shift Controls (If Equipped). 0 See Manual Mode 0 197. 10. Infotainment 0 157. 19. Horn 104. 0 4. Instrument Cluster (Base Level) 11. Heated and Ventilated Front Seats 20. Steering Wheel Adjustment 103 0 110 or 0 51 (If Equipped). (Out of View). 0 Instrument Cluster (Uplevel) 113. 12. Wireless Charging 0 107. 21. Forward Collision Alert (FCA) System 0 244 (If Equipped). Driver Information Center (DIC) 13. Automatic Climate Control System Display. See Driver Information 0 Lane Keep Assist (LKA) 0 254 (If 0 (Dual Zone) 158 or Center (DIC) 132. Automatic Climate Control System Equipped). 5. Windshield Wiper/Washer 0 104. (Quad Zone) 0 163. Heated Steering Wheel 0 103 (If 6. ENGINE START/STOP Button. 14. Automatic Vehicle Hold (AVH) Equipped). See Ignition Positions 0 183. 0 202 (If Equipped). 22. Cruise Control 0 209. 7. Park Assist Button. See MODE Button. See Driver Mode Adaptive Cruise Control 0 211 (If Assistance Systems for Parking or Control 0 204. Equipped). 0 Backing 235. Traction Control/Electronic Super Cruise 0 220 (If Equipped). 0 Automatic Parking Assist (APA) Stability Control 203. 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 0 235. 16. Shift Lever. See Automatic 23. Data Link Connector (DLC) (Out Automatic Engine Stop/Start Transmission 0 193. of View). See Malfunction Disable Switch (If Equipped). See 0 Indicator Lamp (Check Engine Stop/Start System 186. Light) 0 123. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

INTRODUCTION 7 24. Instrument Panel Storage 0 98. Instrument Panel Fuse Block 0 306. 25. Electric Parking Brake 0 200. Instrument Panel Illumination Control 0 153 (Out of View). Head-Up Display (HUD) 0 135 (If Equipped) (Out of View). Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

8 INTRODUCTION 2 NOTES Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

KEYS, DOORS, AND WINDOWS 9 Folding Mirrors ...... 33 Keys and Locks Keys, Doors, and Heated Mirrors ...... 34 Windows Automatic Dimming Mirror ...... 34 Reverse Tilt Mirrors ...... 34 Keys

Interior Mirrors { Warning Keys and Locks Interior Rearview Mirrors ...... 35 Keys ...... 9 Automatic Dimming Rearview Remote Keyless Entry (RKE) Leaving children in a vehicle with a Mirror ...... 35 Remote Keyless Entry (RKE) System ...... 10 Rear Camera Mirror ...... 35 Remote Keyless Entry (RKE) transmitter is dangerous and System Operation ...... 10 Windows children or others could be Remote Vehicle Start ...... 17 Windows ...... 37 seriously injured or killed. They Door Locks ...... 19 Power Windows ...... 38 could operate the power windows Power Door Locks ...... 21 Sun Visors ...... 39 or other controls or make the Delayed Locking ...... 21 Rear Window Sunshade ...... 40 vehicle move. The windows will Automatic Door Locks ...... 21 function with the RKE transmitter Lockout Protection ...... 22 Roof in the vehicle, and children or Safety Locks ...... 22 Sunroof ...... 41 others could be caught in the path Doors of a closing window. Do not leave Trunk ...... 23 children in a vehicle with an RKE transmitter. Vehicle Security Vehicle Security ...... 30 Vehicle Alarm System ...... 30 Immobilizer ...... 32 Immobilizer Operation ...... 32 Exterior Mirrors Convex Mirrors ...... 33 Power Mirrors ...... 33 Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

10 KEYS, DOORS, AND WINDOWS To remove the key, press the button . Check the location. Other vehicles on the side of the transmitter, near or objects may be blocking the the bottom, and pull the key out. signal. Never pull the key out without . Check the transmitter's battery. pressing the button. See “Battery Replacement” later in If it becomes difficult to turn the key, this section. inspect the key blade for debris. . If the transmitter is still not Periodically, clean with a brush or working correctly, see your dealer a pick. or a qualified technician for See your dealer if a new key is needed. service. Contact Roadside Service if locked out of the vehicle. See Roadside Service Remote Keyless Entry The key, inside the Remote Keyless 0 Entry (RKE) transmitter, can be used 380. (RKE) System Operation for all locks. With an active OnStar or connected The Keyless Access system allows for service plan, an OnStar Advisor may vehicle entry when the Remote remotely unlock the vehicle. See Keyless Entry (RKE) transmitter is OnStar Overview 0 390. within 1 m (3 ft). See “Keyless Access Operation” later in this section. Remote Keyless Entry The RKE transmitter may work up to (RKE) System 60 m (197 ft) away from the vehicle. See Radio Frequency Statement 0 386. Other conditions can impact the If there is a decrease in the Remote performance of the transmitter. See Keyless Entry (RKE) operating range: Remote Keyless Entry (RKE) System 0 10. . Check the distance. The transmitter may be too far from the vehicle. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

KEYS, DOORS, AND WINDOWS 11 Pressing Q may also arm the alarm Press and hold K until the windows system. See Vehicle Alarm System 0 30. fully open. Windows will not operate The vehicle may have remote folding unless remote window operation is mirrors. See Folding Mirrors 0 33. enabled. See Vehicle Personalization 0 K : Press to unlock the driver door 140. and the fuel door, if equipped. Press / : Press and release Q and then K again within five seconds to unlock immediately press and hold / for at all doors. The RKE transmitter can be least four seconds to start the engine programmed to unlock all doors on from outside the vehicle using the the first button press. See Vehicle 0 RKE transmitter. See Remote Vehicle Personalization 140. 0 Q : Press to lock all doors and the Start 17. fuel door, if equipped. The turn signal Lock and unlock feedback can be 7 personalized. See Vehicle : Press and release one time to indicators may flash and/or the horn 0 initiate vehicle locator. The exterior may sound on the second press to Personalization 140. When remotely unlocking the vehicle at night, the lamps flash and the horn chirps three indicate locking. See Vehicle times. Press and hold 7 for more Personalization 0 140. headlamps and back-up lamps will come on for about 30 seconds to light than three seconds to sound the panic If the driver door is open when Q is your approach to the vehicle. The turn alarm. The horn sounds and the turn signal indicators may flash to indicate pressed and Open Door Anti-Lockout signal lamps flash for 30 seconds, unlocking. is enabled through vehicle or until 7 is pressed again or the personalization, all doors will lock and Pressing K will disarm the alarm vehicle is started. then the driver door will immediately system. See Vehicle Alarm System 0 30. unlock. See Vehicle Personalization X : Press twice quickly to open the The vehicle may have remote folding trunk. Press once to stop the trunk 0 0 140. If the passenger door is open mirrors. See Folding Mirrors 33. from moving. See Trunk 0 23. when Q is pressed, all doors lock. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

12 KEYS, DOORS, AND WINDOWS Keyless Access Operation If the lock/unlock button is pressed Keyless Unlocking/Locking from the again within five seconds, all Passenger Doors The Keyless Access system lets you passenger doors will unlock. lock and unlock the doors and access When the doors are locked and the the trunk without removing the RKE RKE transmitter is within 1 m (3 ft) of transmitter from your pocket, purse, the door handle, pressing the lock/ briefcase, etc. The RKE transmitter unlock button on a passenger door must be within 1 m (3 ft) of the trunk handle will unlock all doors. Pressing or door being opened. If equipped, the lock/unlock button will cause all there will be a button on the outside doors to lock if any of the following door handles. occur: The Keyless Access system can be . The lock/unlock button was used programmed to unlock all doors on to unlock all doors. the first lock/unlock button press from . Any vehicle door has opened and the driver door. See Vehicle all doors are now closed. Personalization 0 140. Driver Door Shown, Passenger Similar Disable/Enable Keyless Unlocking of If equipped with memory seats, RKE Exterior Door Handles and Trunk transmitters 1 and 2 are linked to Pressing the lock/unlock button will seating positions of memory 1 or 2. cause all doors to lock if any of the If equipped, keyless unlocking of the See Memory Seats 0 48. following occur: exterior door handles and trunk can . be disabled and enabled. Keyless Unlocking/Locking from the It has been more than five seconds Driver Door since the first lock/unlock button Disabling Keyless Unlocking: press. When the doors are locked and the With the vehicle off, press and hold Q . Two lock/unlock button presses RKE transmitter is within 1 m (3 ft) of were used to unlock all doors. and K on the RKE transmitter at the the door handle, pressing the lock/ same time for approximately unlock button on the driver door . Any vehicle door has opened and three seconds. The turn signal lamps handle will unlock the driver door. all doors are now closed. will flash four times quickly to indicate access is disabled. Using any Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

KEYS, DOORS, AND WINDOWS 13 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: 0 140. 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 0 140. 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 19. If other electronic devices interfere all doors are closed. To turn on or off 0 with the RKE transmitter signal, the see Vehicle Personalization 140. 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-13566829) - 2020 - CRC - 6/11/19

14 KEYS, DOORS, AND WINDOWS 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 19. 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 19. Insert the Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

KEYS, DOORS, AND WINDOWS 15 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 19. 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 19. 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-13566829) - 2020 - CRC - 6/11/19

16 KEYS, DOORS, AND WINDOWS TRANSMITTER POCKET THEN Battery Replacement START YOUR VEHICLE when starting Caution the vehicle. { Warning Always replace the battery with the To start the vehicle: correct type. Replacing the battery Never allow children to play with with an incorrect type could 1. Open the center console the RKE transmitter. The potentially create a risk of battery storage area. transmitter contains a small explosion. Dispose of used batteries battery, which can be a choking according to instructions and local hazard. If swallowed, internal burns laws. Do not attempt to burn, can occur, resulting in severe injury crush, or cut the used battery. or death. Seek medical attention immediately if a battery is swallowed. Replace the battery if the DIC displays REPLACE BATTERY IN REMOTE KEY.

Caution

When replacing the battery, do not touch any of the circuitry on the 2. Place the transmitter in the transmitter. Static from your body transmitter pocket. could damage the transmitter. 3. With the vehicle in P (Park) or N (Neutral) press the brake pedal and ENGINE START/STOP. Replace the transmitter battery as soon as possible. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

KEYS, DOORS, AND WINDOWS 17

1. Press the button on the side of / : This button is on the RKE the RKE transmitter near the transmitter for remote start. bottom and pull the key out. Never pull the key out without The climate control system will use pressing the button. the previous settings during a remote start. The rear window defogger may come on during remote start based on cold ambient conditions. The rear window defogger indicator light does not come on during remote start. If equipped, the heated steering wheel may come on during cold weather when enabled in vehicle 3. Remove the old battery. Do not personalization. See Vehicle use a metal object. Personalization 0 140. 4. Insert the new battery on the If equipped, the heated and ventilated back housing, positive side facing front seats may also come on when down. Replace with a CR2032 or the vehicle personalization setting is equivalent battery. 2. Separate the two halves of the enabled. See Heated and Ventilated transmitter using a flat tool 5. Align the front and back housing, Front Seats 0 51. then snap the transmitter inserted into the bottom center Laws in some local communities may together. of the transmitter. Do not use restrict the use of remote starters. For the key slot. 6. Reinsert the key. example, some laws may require a person using remote start to have the Remote Vehicle Start vehicle in view. Check local regulations for any requirements. This feature allows the engine to be started from outside the vehicle. If your vehicle is low on fuel, do not use the remote start feature. The vehicle may run out of fuel. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

18 KEYS, DOORS, AND WINDOWS The RKE transmitter range may be Extending Engine Run Time . Turn on the hazard warning shorter while the vehicle is running. The engine run time can also be flashers. Other conditions can affect the extended by another 15 minutes, . Turn the vehicle on and then off. performance of the transmitter. See if during the first 15 minutes Conditions in Which Remote Start Remote Keyless Entry (RKE) System Steps 1 and 2 are repeated while the Will Not Work 0 10. engine is still running. An extension can be requested 30 seconds after The remote start will not operate if Starting the Engine Using Remote starting. This provides a total of any of the following occur: Start 30 minutes. . The ignition is in any mode other 1. Press and release Q on the RKE The remote start can only be than off. transmitter. extended once. . A transmitter is in the vehicle. / 2. Immediately press and hold When the remote start is extended, . The hood is not closed. for at least four seconds or until the second 15-minute period is added the turn signal lamps flash. This on to the first 15 minutes for a total . The hazard warning flashers confirms the request to remote of 30 minutes. are on. start the vehicle has been A maximum of two remote starts, or a . There is an emission control received. remote start with an extension, are system malfunction. During the remote start, the allowed between ignition cycles. . The engine coolant temperature is doors will be locked and the The vehicle's ignition must be turned too high. parking lamps will remain on as from on to off before the remote start . The oil pressure is low. long as the engine is running. procedure can be used again. . Two remote vehicle starts or a The engine will shut off after Canceling a Remote Start start with an extension have 15 minutes unless a time already been used. extension is done or the vehicle To cancel a remote start, do any of is started. the following: . The vehicle is not in P (Park). 3. Press the brake pedal and start . Press and hold / until the the vehicle to drive. parking lamps turn off. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

KEYS, DOORS, AND WINDOWS 19 Door Locks Keyless Access Warning (Continued)

{ Warning . Outsiders can easily enter through an unlocked door Unlocked doors can be dangerous. when you slow down or stop . Passengers, especially the vehicle. Locking the doors children, can easily open the can help prevent this from doors and fall out of a moving happening. vehicle. The doors can be unlocked and opened while To lock or unlock the door from the vehicle is moving. The outside the vehicle: chance of being thrown out of the vehicle in a crash is . Press Q or K on the Remote increased if the doors are not Keyless Entry (RKE) transmitter. Press the lock/unlock button when the locked. So, all passengers . In the case of a dead battery, use RKE transmitter is within 1 m (3 ft) of should wear seat belts the key in the driver door. The key the driver door handle. When properly and the doors should cylinder is covered with a cap. unlocking from the driver door, the be locked whenever the first press unlocks that door; press vehicle is driven. To lock or unlock the door from inside the vehicle: again within five seconds to unlock all . Young children who get into passenger doors. See Remote Keyless unlocked vehicles may be . Press Q or K on the power door Entry (RKE) System Operation 0 10. unable to get out. A child can lock switch. be overcome by extreme heat . Pulling an interior door handle and can suffer permanent will unlock the door. Pulling the injuries or even death from door handle again unlatches it. heat stroke. Always lock the vehicle whenever leaving it. (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

20 KEYS, DOORS, AND WINDOWS Driver Door Key Lock Cylinder To replace the cap: Access (In Case of Dead Battery) 1. Pull the door handle (1) to the open position and hold it open until the cap installation is complete.

To access the driver door key lock cylinder: 1. Pull the door handle (1) to the open position and hold it open 2. Insert the two tabs (6) at the until the cap removal is back of the cap between the complete. seal (5) and the metal base (4). 2. Insert the key into the slot (3) on the bottom of the cap (2) and lift the key upward. 3. Move the cap (2) rearward and 3. Slide the cap forward and press remove. the forward edge to install the cap in place. 4. Use the key in the cylinder. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

KEYS, DOORS, AND WINDOWS 21 4. Release the door handle. Power Door Locks When Q is pressed on the power door 5. Check that the cap is secure. lock switch while the door is open, a chime will sound three times Free-Turning Locks indicating delayed locking is active. The door key lock cylinder turns freely The doors will lock automatically when either the wrong key is used, five seconds after all doors are closed. or the correct key is not fully inserted. If a door is reopened before that time, The free-turning door lock feature the five-second timer will reset when prevents the lock from being forced all doors are closed again. open. To reset the lock, turn it to the vertical position with the correct key Press Q on the door lock switch again fully inserted. Remove the key and or press Q on the RKE transmitter to insert it again. If this does not reset lock the doors immediately. the lock, turn the key halfway around in the cylinder and repeat the reset This feature can also be programmed. See Vehicle Personalization 0 140. procedure. Q : Press to lock the doors. K : Press to unlock the doors. Automatic Door Locks The fuel door is also locked or The doors will lock automatically unlocked using these features. when all doors are closed, the ignition is on, and the vehicle is shifted out of Delayed Locking P (Park). This feature delays the locking of the If a vehicle door is unlocked and then doors until five seconds after all doors opened and closed, the doors will lock are closed. either when your foot is removed from Delayed locking can only be turned on the brake or the vehicle speed when the Open Door Anti-Lockout has becomes faster than 13 km/h (8 mph). been turned off. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

22 KEYS, DOORS, AND WINDOWS To unlock the doors: manually overridden with the driver Manual Safety Locks . Press K on the power door lock door open by pressing and holding Q switch. on the power door lock switch. . Shift the transmission into Open Door Anti-Lockout P (Park). If Open Door Anti-Lockout is turned Automatic door locking cannot be on and the vehicle is off, the driver disabled. Automatic door unlocking door is open, and locking is requested, can be programmed. See Vehicle all the doors will lock and the driver Personalization 0 140. door will remain open. The Open Door Anti-Lockout feature can be turned on Lockout Protection or off. See Vehicle Personalization 0 140. If the ignition is on or in ACC/ ACCESSORY, and the power door lock Safety Locks If equipped, the safety lock is on the switch is pressed with the driver door inside edge of the rear doors. To use open, all the doors will lock and only The rear door safety locks prevent the safety lock: the driver door will unlock. passengers from opening the rear doors from inside the vehicle. 1. Move the lever down to the lock If the vehicle is off and locking is position. requested while a door is open, when all doors are closed the vehicle will 2. Close the door. check for RKE transmitters inside. 3. Do the same for the other If an RKE transmitter is detected and rear door. the number of RKE transmitters inside has not reduced, the driver door will unlock and the horn will chirp three times. Lockout protection can be Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

KEYS, DOORS, AND WINDOWS 23 To open a rear door when the safety Doors lock is on: Warning (Continued) 1. Unlock the door by activating the Trunk set the fan speed to the inside handle, by pressing the highest setting. See “Climate power door lock switch, or by Control Systems” in the Index. using the Remote Keyless { Warning See Engine Exhaust 0 192. Entry (RKE) transmitter. Exhaust gases can enter the vehicle 2. Open the door from the outside. if it is driven with the liftgate or To open the trunk, the vehicle must When the safety lock is enabled, trunk/hatch open, or with any objects that pass through the seal be off or the transmission must be in adults and older children will not be P (Park). able to open the rear door from the between the body and the trunk/ inside. Cancel the safety locks to hatch or liftgate. Engine exhaust Manual Trunk enable the doors to open from the contains carbon monoxide (CO) inside. which cannot be seen or smelled. It can cause unconsciousness and To cancel the safety lock: even death. 1. Unlock the door and open it from the outside. If the vehicle must be driven with the liftgate or trunk/hatch open: 2. Move the lever up to unlock. Do the same for the other door. . Close all of the windows. . Fully open the air outlets on or under the instrument panel. . Adjust the climate control system to a setting that brings in only outside air and . Press | on the driver door. (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

24 KEYS, DOORS, AND WINDOWS . Press X twice quickly on the Close the trunk by pulling on the Caution (Continued) Remote Keyless Entry (RKE) handle. Do not use the handle as a transmitter. tie-down. Do not press the touch pad while closing the trunk; this will cause vehicle equipped with the power the trunk lid to be unlatched. trunk feature. This may damage the power trunk system. The trunk has an electric latch. If the 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 emergency trunk release handle. Power Trunk

Caution

You or others could be injured if . Press the touch pad on the rear of caught in the path of the power the trunk above the license plate trunk. Make sure there is no one in when all doors are unlocked. the way of the power trunk as it is opening and closing. For Keyless Access, the trunk can be opened while the vehicle is locked by pressing the touch pad above the . Press and release | on the license plate while the RKE Caution driver door. The driver door must transmitter is within 1 m (3 ft) of the be unlocked, the ignition must be rear of the vehicle. See Remote Keyless Do not mount any load-carrying on, or Retained Accessory Power Entry (RKE) System Operation 0 10. accessories, such as a bike rack or (RAP) must be active. luggage carriers, to the trunk of a . Press X twice quickly on the RKE (Continued) transmitter. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

KEYS, DOORS, AND WINDOWS 25 . Press the touch pad on the rear of . Press the power trunk button on If the vehicle is locked and an the trunk after unlocking all doors the trunk lid. obstacle prevents the trunk from or with the RKE transmitter in Press any trunk button or the touch closing and latching, the horn will range for Keyless Access. pad to stop the power operation. sound as an alert that the trunk did Monitor the trunk area to make sure Pressing a trunk button again starts not close. nothing will come in contact or move the operation in the reverse direction. Hands-Free Power Trunk into the path of the trunk lid when The touch pad will not close the power closing. trunk lid. If equipped, the power trunk may be operated with a kicking motion under To close the power trunk: Do not manually force the trunk lid the rear bumper at the location of the open or closed during a power cycle. . Press and hold | on the driver projected logo. The RKE transmitter The power trunk may be temporarily must be within 1 m (3 ft). door until the trunk latches. disabled under extreme low A chime will sound and a DIC temperatures, or after repeated power The hands-free feature will not work message will display when the cycling over a short period of time. while the trunk lid is moving. To stop operation is complete. The trunk can be opened manually. the trunk while in motion, use one of the power trunk buttons. Obstacle Detection Features The hands-free feature can be If there is an obstruction during a customized. See Vehicle Personalization power open or close cycle, a closing 0 140. Choose from the following: trunk will reverse direction and an On-Open and Close : The kicking opening trunk will stop power motion is activated to both open and operation. If there are multiple close the trunk. obstructions on the same power cycle, the power function will deactivate. On-Open Only : The kicking motion is After removing the obstructions, activated to only open the trunk. manually close the trunk lid to allow Off : The feature is disabled. normal power operation functions to resume. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

26 KEYS, DOORS, AND WINDOWS To operate, kick your foot straight up Projected Logo in one swift motion under the center If equipped with this feature, a vehicle of the rear bumper at the location of logo will be projected for one minute the projected logo, then pull it back. onto the ground near the rear bumper . Do not sweep your foot side when an RKE transmitter is detected to side. within approximately 2 m (6 ft). The . Do not keep your foot under the projected logo may not be visible bumper; it will not activate. under brighter daytime conditions. . Do not touch the trunk lid until it has stopped moving. . This feature may be temporarily disabled under some conditions. If it does not respond to the kick, operate the power trunk by another method or start the vehicle and the feature will be re-enabled. When closing the power trunk using this feature, there will be a short delay. The taillamps will flash and a chime will sound. Move away from the 1. 1 m (3 ft) Hands-Free trunk before it starts moving. Operation Detection Zone 2. 2 m (6 ft) Projected Logo Detection Zone Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

KEYS, DOORS, AND WINDOWS 27 The projected logo shows where the The projected logo will not work The projected logo will not work for a kicking motion is to take place. under these conditions: single RKE transmitter when a The projected logo will only be . The vehicle battery is low. transmitter: . available for this RKE transmitter after . The transmission is not in Has been left within it has been out of range for at least P (Park). approximately 5 m (15 ft) of the 20 seconds. trunk for several minutes. . Hands Free Trunk Control is set to . If an RKE transmitter is again Off in vehicle personalization. See Has been left inside the vehicle detected within approximately 2 m Vehicle Personalization 0 140. and all vehicle doors are closed. (6 ft) of the trunk, or another . . Power trunk is turned off. Has approached the area outside hands-free operation has been of the trunk five times within detected, the one-minute timer will be . The vehicle remains parked for 10 minutes. reset. 72 hours or more, with no RKE transmitter use or Keyless Access operation. To re-enable, press any button on the RKE transmitter or open and close a vehicle door. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

28 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-13566829) - 2020 - CRC - 6/11/19

KEYS, DOORS, AND WINDOWS 29 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, return to the stored Do not use the emergency trunk position. 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 57. trunk release handle on the trunk lid. This handle will glow following Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

30 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-13566829) - 2020 - CRC - 6/11/19

KEYS, DOORS, AND WINDOWS 31 To avoid setting off the alarm by Power Sounder, Inclination . Make sure all doors and windows accident: Sensor, and Intrusion Sensor are completely closed. . Lock the vehicle after all In addition to the standard . Secure any loose items such as occupants have left the vehicle theft-deterrent system features, this sunshades. and all doors are closed. system may also have a power . Make sure there are no . Always unlock a door with the sounder, inclination sensor, and obstructions blocking the sensors RKE transmitter or use the Keyless intrusion sensor. in the front overhead console. Access system. The power sounder provides an Inclination and Intrusion Unlocking the driver door with the key audible alarm, which is distinct from Sensors Disable Switch will not disarm the system or turn off the vehicle’s horn. It has its own the alarm. power source, and can sound an alarm It is recommended that the intrusion if the vehicle’s battery is and inclination sensors be deactivated How to Detect a Tamper compromised. if pets are left in the vehicle or if the Condition The inclination sensor can set off the vehicle is being transported. If K is pressed on the RKE alarm if it senses movement of the transmitter and the horn chirps and vehicle, such as a change in vehicle the lights flash three times, a previous orientation. 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. Before arming the theft-deterrent system and activating the intrusion sensor: Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

32 KEYS, DOORS, AND WINDOWS

With the vehicle turned off, press o undamaged, try another transmitter. in the front overhead console. The Or, you may try placing the indicator light will come on transmitter in the transmitter pocket momentarily, indicating that these located in the center console. See sensors have been disabled for the Remote Keyless Entry (RKE) System 0 next alarm system arming cycle. Operation 10. The security light, in the instrument If the ignition modes will not change Immobilizer cluster, comes on if there is a problem with the other transmitter or with the with arming or disarming the transmitter in the transmitter pocket, See Radio Frequency Statement 0 386. theft-deterrent system. your vehicle needs service. If the Immobilizer Operation The system has one or more RKE ignition does change modes, the first transmitters matched to an transmitter may be faulty. See your This vehicle has a passive immobilizer control unit in the dealer. theft-deterrent system. vehicle. Only a correctly matched RKE It is possible for the immobilizer The system does not have to be transmitter will start the vehicle. system to learn new or replacement manually armed or disarmed. If the transmitter is ever damaged, RKE transmitters. Up to eight you may not be able to start your transmitters can be programmed for The vehicle is automatically vehicle. the vehicle. To program additional immobilized when the vehicle is transmitters, see “Programming turned off. When trying to start the vehicle, the security light may come on briefly Transmitters to the Vehicle” under The immobilization system is when the ignition is turned on. Remote Keyless Entry (RKE) System disarmed when the vehicle is started Operation 0 10. or the ignition is in ACC/ACCESSORY If the engine does not start and the security light stays on, there is a Do not leave the transmitter or device and a valid transmitter is present in that disarms or deactivates the the vehicle. problem with the system. Turn the ignition off and try again. theft-deterrent system in the vehicle. If the vehicle will not change ignition modes (ACC/ACCESSORY, on, off), and the RKE transmitter appears to be Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

KEYS, DOORS, AND WINDOWS 33 Exterior Mirrors Power Mirrors Lane Change Alert (LCA) The vehicle may have LCA. See Lane Convex Mirrors Change Alert (LCA) 0 252. Turn Signal Indicator { Warning The vehicle has a turn signal indicator A convex mirror can make things, on the mirror housings. The indicator will flash when a turn signal or the like other vehicles, look farther hazard warning flashers are used. away than they really are. If you cut too sharply into the right lane, you Folding Mirrors could hit a vehicle on the right. Check the inside mirror or glance Power Folding Mirrors over your shoulder before changing If equipped with power folding lanes. 1. Move the selector switch to L mirrors, press the down arrow on the (Left) or R (Right) to choose the control pad while the selector switch The passenger side mirror is convex driver or passenger mirror. is at ). Press again to unfold. shaped. A convex mirror's surface is 2. Press one of the four arrows to Remote Mirror Folding curved so more can be seen from the move the mirror. driver seat. If equipped, press and hold Q on the 3. Move the selector switch to ) to RKE transmitter for approximately deselect the mirror. one second to remotely fold the Memory Mirrors exterior mirrors. Press and hold K on The vehicle may have memory the RKE transmitter for approximately mirrors. See Memory Seats 0 48. one second to unfold. See Remote Keyless Entry (RKE) System Operation 0 10. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

34 KEYS, DOORS, AND WINDOWS This feature is turned on or off Manual Folding Mirrors Reverse Tilt Mirrors through vehicle personalization. See If equipped, the mirrors can be folded Vehicle Personalization 0 140. If equipped with memory seats, the inward toward the vehicle to prevent passenger and/or driver mirror tilts to Resetting the Power Folding Mirrors damage when going through an a preselected position when the automatic car wash. Push the mirror Reset the power folding mirrors if: vehicle is in R (Reverse). This allows outward to return it to the original the curb to be seen when parallel . The mirrors are accidentally position. parking. obstructed while folding. Heated Mirrors The mirror(s) return to the original . They are accidentally manually position when: folded/unfolded. The rear window defogger also heats . The vehicle is shifted out of the outside mirrors. . The mirrors do not stay in the R (Reverse), or remains in unfolded position. K : Press to heat the outside mirrors. R (Reverse) for about 30 seconds. . The mirrors vibrate at normal See Automatic Climate Control System . The ignition is turned off. driving speeds. (Dual Zone) 0 158 or . The vehicle is driven in Automatic Climate Control System Fold and unfold the mirrors one time R (Reverse) above a set speed. using the mirror controls to reset (Quad Zone) 0 163. them to their normal position. A noise To turn this feature on or off, see 0 may be heard during the resetting of Automatic Dimming Mirror Vehicle Personalization 140. the power folding mirrors. This sound The vehicle has automatic dimming is normal after a manual folding outside mirrors. The mirrors will operation. adjust for the glare of the headlamps behind you. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

KEYS, DOORS, AND WINDOWS 35 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-13566829) - 2020 - CRC - 6/11/19

36 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-13566829) - 2020 - CRC - 6/11/19

KEYS, DOORS, AND WINDOWS 37 Troubleshooting Windows

{ Warning

Never leave a child, a helpless adult, or a pet alone in a vehicle, especially with the windows closed in warm or hot weather. They can be overcome by the extreme heat and suffer permanent injuries or even death from heat stroke. . Dirt, snow, or other debris blocks the camera lens. Clean the lens See your dealer for service if a blue with a soft damp cloth. screen and 3 are displayed in the . The camera’s mounting on the mirror, and the display shuts off. Also, vehicle has been damaged, and/or push the tab as indicated to return to the position or the mounting angle the automatic dimming mode. of the camera has changed. The Rear Camera Mirror may not work properly or display a clear image if: . There is glare from the sun or headlamps. This may obstruct objects from view. If needed, push the tab to turn off the display. The vehicle aerodynamics are designed to improve fuel economy performance. This may result in a Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

38 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) 0 188. . Press Z to engage the rear lockout switch to prevent operation Using the window switch, press to of the windows. See Keys 0 9. 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-13566829) - 2020 - CRC - 6/11/19

KEYS, DOORS, AND WINDOWS 39 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. 140. 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-13566829) - 2020 - CRC - 6/11/19

40 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-13566829) - 2020 - CRC - 6/11/19

KEYS, DOORS, AND WINDOWS 41 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 operate the sunroof. See Ignition Open/Close (Manual Mode) : Positions 0 183 and Press the rear of D (1) to the first Retained Accessory Power (RAP) 0 188. detent and hold to open the sunroof. Press the front of D (1) to the first detent and hold to close the sunroof.

Tilt Switch If equipped, press F to open or Vent Feature : Press and hold the close the front sunroof sunshade. front of E (2) to vent the sunroof. 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-13566829) - 2020 - CRC - 6/11/19

42 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-13566829) - 2020 - CRC - 6/11/19

SEATS AND RESTRAINTS 43 Safety System Check ...... 64 Replacing LATCH System Parts Seats and Restraints Seat Belt Care ...... 64 After a Crash ...... 91 Replacing Seat Belt System Parts Securing Child Restraints (With Head Restraints after a Crash ...... 65 the Seat Belt in the Rear Seat) ...... 92 Head Restraints ...... 44 Airbag System Securing Child Restraints (With Front Seats Airbag System ...... 65 the Seat Belt in the Where Are the Airbags? ...... 67 Front Seat) ...... 94 Power Seat Adjustment ...... 46 When Should an Airbag Lumbar Adjustment ...... 46 Inflate? ...... 68 Thigh Support Adjustment ...... 47 What Makes an Airbag Inflate? . . . 69 Reclining Seatbacks ...... 48 How Does an Airbag Restrain? . . . 70 Memory Seats ...... 48 What Will You See after an Airbag Heated and Ventilated Front Inflates? ...... 70 Seats ...... 51 Passenger Sensing System ...... 71 Massage ...... 53 Servicing the Airbag-Equipped Rear Seats Vehicle ...... 75 Rear Seats ...... 54 Adding Equipment to the Lumbar Adjustment ...... 55 Airbag-Equipped Vehicle ...... 76 Heated and Ventilated Rear Airbag System Check ...... 76 Seats ...... 56 Replacing Airbag System Parts Rear Seat Pass-Through Door . . . . . 57 after a Crash ...... 77 Seat Belts Child Restraints Seat Belts ...... 57 Older Children ...... 77 How to Wear Seat Belts Infants and Young Children ...... 79 Properly ...... 58 Child Restraint Systems ...... 81 Lap-Shoulder Belt ...... 60 Where to Put the Restraint ...... 83 Seat Belt Use During Lower Anchors and Tethers for Pregnancy ...... 63 Children (LATCH System) ...... 84 Seat Belt Extender ...... 64 Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

44 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-13566829) - 2020 - CRC - 6/11/19

SEATS AND RESTRAINTS 45 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-13566829) - 2020 - CRC - 6/11/19

46 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 0 234. { 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 48. . Press Forward (2) to move lumbar support forward. To adjust the lumbar support, see Lumbar Adjustment 0 46. . Press Rearward (1) to move lumbar support rearward. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

SEATS AND RESTRAINTS 47 Uplevel Lumbar and Upper Back 1. To adjust lumbar support, Thigh Support Adjustment Support Adjustment if equipped: Toggle the Feature Select (1) to view adjustable seat If equipped, the ignition must be on options on the infotainment to use all uplevel seat features. display. 2. Select lumbar support. . Press Up (2) to move lumbar support upward. . Press Forward (3) to move lumbar support forward. . Press Down (4) to move lumbar support down. . Press Rearward (5) to move To adjust thigh support, if equipped: lumbar support rearward. 1. Toggle the Feature Select (3) to To adjust upper back support, view adjustable seat options on Platinum Seat if equipped: the infotainment display. 1. Toggle the Feature Select (1) to 1. Feature Select 2. Select cushion length adjuster. 2. Up view adjustable seat options on 3. Forward the infotainment display. 3. Press and hold the control forward (2) to increase or 4. Down 2. Select Upper Back Support. rearward (1) to decrease cushion 5. Rearward 3. Press Forward (3) to move length. support forward or Rearward (5) to move support rearward. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

48 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-13566829) - 2020 - CRC - 6/11/19

SEATS AND RESTRAINTS 49 If equipped, memory seats allow two number may display for the first few . See Vehicle Personalization 0 140 drivers to save and recall their unique ignition cycles following a transmitter for additional setting information. seat positions for driving the vehicle, change. For Seat Entry Memory to Identifying Driver Number and a shared exit position for getting work properly, save the positions to out of the vehicle. Other feature the memory button (1 or 2) matching To identify the driver number: positions may also be saved, such as the RKE transmitter number displayed 1. Move your RKE transmitter away power mirrors and power steering in the DIC welcome message. Carry from the vehicle. wheel, if equipped. Memory positions the linked RKE transmitter when are linked to RKE transmitter 1 or 2 entering the vehicle. 2. Start the vehicle with another for automatic memory recalls. key or RKE transmitter. The DIC Vehicle Personalization Settings should display the driver number Before saving, adjust all available . To have the Seat Entry Memory for the other RKE transmitter. memory feature positions. Turn the Turn the vehicle off and remove vehicle on and then press and release movement begin when the vehicle is started, select the Settings the key or RKE transmitter from SET; a beep will sound. Then the vehicle. immediately press and hold 1, 2, menu, then Vehicle, then Seating Position, and then Seat Entry or B (Exit) until two beeps sound. 3. Start the vehicle with the initial Memory. Select On or Off. See key or RKE transmitter. The DIC To manually recall these positions, “Seat Entry Memory” later in this B should display the driver number press and hold 1, 2, or until the section. of your RKE transmitter. saved position is reached. Follow the . To begin Seat Exit Memory “ Saving Memory Positions instructions under Saving Memory movement when the vehicle is Positions.” turned off and the driver door is Read these instructions completely The vehicle identifies the current opened, or when the vehicle is before saving memory positions. driver’s RKE transmitter number turned off with the driver door To save preferred driving positions (1–8). See Remote Keyless Entry (RKE) already opened, select the Settings 1 and 2: System Operation 0 10. Only RKE menu, then Vehicle, then Seating transmitters 1 and 2 can be used for Position, and then Seat Exit 1. Turn the vehicle on or to ACC/ automatic memory recalls. A Driver Memory. Select On or Off. See ACCESSORY. Information Center (DIC) welcome “Seat Exit Memory” later in this message indicating the transmitter section. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

50 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 10. If the RKE features to the desired driving Manually Recalling Memory transmitter is 1 or 2, and Seat Entry position. Positions Memory is enabled 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 if you are driver 1 or 2 2 are automatically recalled when the 1 or 2 memory button matching identified in the DIC welcome vehicle is turned on, or turned from the above DIC welcome message message. RKE transmitters 3–8 will off to ACC/ACCESSORY. RKE until two beeps sound. not recall memory positions. transmitters 3–8 will not provide automatic memory recalls. If too much time passes between To stop Manual Memory recall To turn Seat Entry Memory on or off, releasing SET and pressing 1, the movement, release 1, 2, or B or press see “Vehicle Personalization Settings” memory position will not be any of the following controls: saved and two beeps will not previously in this section and Vehicle 0 sound. Repeat Steps 3 and 4. . Power seat Personalization 140. 1 or 2 corresponds to the driver . Memory SET The shift lever must be in P (Park) to number. See “Identifying Driver . Power mirror, with the driver or start Seat Entry Memory. Seat Entry Number” previously in this passenger side mirror selected Memory recall will complete if the section. vehicle is shifted out of P (Park) prior . Power steering wheel to reaching the saved memory 5. Repeat Steps 1–4 for a second position. driver using 1 or 2. Seat Entry Memory To stop Seat Entry Memory recall B If equipped with memory seat 1, 2, To save the position for and Seat B movement, turn the vehicle off or Exit Memory features, repeat Steps 1– or buttons on the passenger door, press any of the following controls: those positions must be recalled 4 using B. This saves the position manually. They will not be linked to . Power seat for getting out of the vehicle. an RKE transmitter. . Memory SET, 1, 2, or B Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

SEATS AND RESTRAINTS 51 . 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 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 storing 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 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 0 140. recall, see your dealer. 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-13566829) - 2020 - CRC - 6/11/19

52 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 140. 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-13566829) - 2020 - CRC - 6/11/19

SEATS AND RESTRAINTS 53 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. See Remote If equipped, the ignition must be on Press the massage control button (1) Vehicle Start 0 17 and to use the massage feature. to recall the last massage type and Vehicle Personalization 0 140. intensity or turn massage off. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

54 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 0 140. 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 99. 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-13566829) - 2020 - CRC - 6/11/19

SEATS AND RESTRAINTS 55 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. Massage 1. Toggle the center selection control (1) to view available massage options on the If equipped, the armrest may have infotainment display. controls for lumbar and upper back If equipped, press S to tilt the front of support. See Armrest Storage 0 99. 2. Select massage feature. the seat fully downward and to move When the center selection control (1) 3. Press the control up (2) or the entire seat fully rearward. The seat is toggled, a panel display will be down (4) to select the will also move to this position when activated from the driver or passenger massage type. the rear door is opened. seatback. 4. Press the control forward (5) or To adjust lumbar support, if equipped: rearward (3) to change the Lumbar Adjustment intensity. If a child restraint is installed, see 1. Toggle the center selection Rear Seats 0 54. control (1) to view adjustable Press the massage control button (8) seat options on the display. to recall the last massage type and intensity or turn massage off. 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-13566829) - 2020 - CRC - 6/11/19

56 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 51. automatically be lowered after seatback only. approximately 30 minutes. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

SEATS AND RESTRAINTS 57 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 0 120. 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 99. 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-13566829) - 2020 - CRC - 6/11/19

58 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 77 or your feet on the floor in front of chance of being conscious during Infants and Young Children 0 79. you (if possible). and after a crash, so you can Review and follow the rules for . Always use the correct buckle for unbuckle and get out, is much children in addition to the following your seating position. greater if you are belted. rules. . Wear the lap part of the belt low and snug on the hips, just touching the thighs. In a crash, Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

SEATS AND RESTRAINTS 59 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-13566829) - 2020 - CRC - 6/11/19

60 SEATS AND RESTRAINTS

{ Warning

The seat belt can be pinched if it is routed under plastic trim on the seat, such as trim around the rear seatback folding handle or side airbag. In a crash, pinched seat belts might not be able to provide adequate protection. Never allow seat belts to be routed under plastic trim pieces. Always use the correct buckle for your 2. Pick up the latch plate and pull seating position. Lap-Shoulder Belt the belt across you. Do not let it get twisted. All seating positions in the vehicle have a lap-shoulder belt. The lap-shoulder belt may lock if you pull the belt across you very The following instructions explain quickly. If this happens, let the how to wear a lap-shoulder belt belt go back slightly to unlock it. properly. Then pull the belt across you 1. Adjust the seat, if the seat is more slowly. adjustable, so you can sit up If the shoulder portion of a straight. To see how, see “Seats” passenger belt is pulled out all in the Index. the way, the child restraint locking feature may be engaged. See Child Restraint Systems 0 81. If this occurs, let the belt go back Never route the lap or shoulder belt all the way and start again. If the over an armrest. locking feature stays engaged Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

SEATS AND RESTRAINTS 61 after letting the belt go back to later in this section for stowed position on the seat, instructions on use and move the seat rearward or recline important safety information. the seat until the shoulder belt retractor lock releases. Engaging the child restraint locking feature in the front outboard seating position may affect the passenger sensing system. See Passenger Sensing System 0 71.

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 5. To make the lap part tight, pull Extender 0 64. up on the shoulder belt. 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 plate before it reaches the height that is right for you. See buckle, tilt the latch plate flat to “Shoulder Belt Height Adjuster” unlock. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

62 SEATS AND RESTRAINTS Shoulder Belt Height Adjuster Press the release button and move the height adjuster to the desired position. The vehicle has a shoulder belt height The adjuster can be moved up by adjuster for the driver and front pushing the slide/trim up. After the outboard passenger seating positions. adjuster is set to the desired position, Adjust the height so the shoulder try to move it down without pushing portion of the belt is on the shoulder the release button to make sure it has and not falling off of it. The belt locked into position. should be close to, but not contacting, the neck. Improper shoulder belt Automatic Seat Belt Tightening height adjustment could reduce the System effectiveness of the seat belt in a The vehicle may have the Automatic crash. See How to Wear Seat Belts Seat Belt Tightening System. To unlatch the belt, push the button Properly 0 58. on the buckle. The belt should return Each time the vehicle is started with to its stowed position. the front seat belts buckled, the Always stow the seat belt slowly. If the system activates once to tighten the seat belt webbing returns quickly to seat belts when the forward vehicle the stowed position, the retractor may speed exceeds the threshold for lock and cannot be pulled out. If this activation. happens, pull the seat belt straight out The system also activates during firmly to unlock the webbing, and emergency braking and/or sudden then release it. If the webbing is still driving maneuvers and releases when locked in the retractor, see your driving conditions return to normal. dealer. The system will not activate if the Before a door is closed, be sure the Traction Control/Electronic Stability seat belt is out of the way. If a door is Control system is not functioning slammed against a seat belt, damage properly. See Traction Control/ can occur to both the seat belt and Electronic Stability Control 0 203. the vehicle. If there is a problem with the Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

SEATS AND RESTRAINTS 63 Automatic Seat Belt Tightening will need to be replaced. See Replacing Seat Belt Use During System, a message displays on the Seat Belt System Parts after a Crash Driver Information Center (DIC). If a 0 65. Pregnancy system unavailable message displays Do not sit on the outboard seat belt Seat belts work for everyone, repeatedly or a service message while entering or exiting the vehicle or including pregnant women. Like all displays, see your dealer. Other seat at any time while sitting in the seat. occupants, they are more likely to be belt functions are not affected by the Sitting on the seat belt can damage seriously injured if they do not wear Automatic Seat Belt Tightening the webbing and hardware. seat belts. System. Rear Seat Belt Comfort Guides Seat Belt Pretensioners Rear seat belt comfort guides may This vehicle has seat belt provide added seat belt comfort for pretensioners for the front outboard older children who have outgrown occupants. Although the seat belt booster seats and for some adults. pretensioners cannot be seen, they are When installed on a shoulder belt, the part of the seat belt assembly. They comfort guide positions the shoulder can help tighten the seat belts during belt away from the neck and head. the early stages of a moderate to severe frontal, near frontal, or rear Comfort guides are available through crash if the threshold conditions for your dealer for the rear outboard pretensioner activation are met. Seat seating positions. Instructions are belt pretensioners can also help included with the guides. tighten the seat belts in a side crash A pregnant woman should wear a or a rollover event. lap-shoulder belt, and the lap portion should be worn as low as possible, Pretensioners work only once. If the below the rounding, throughout the pretensioners activate in a crash, the pregnancy. pretensioners and probably other parts of the vehicle's seat belt system The best way to protect the fetus is to protect the mother. When a seat belt is worn properly, it is more likely that Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

64 SEATS AND RESTRAINTS the fetus will not be hurt in a crash. Safety System Check Seat Belt Care For pregnant women, as for anyone, the key to making seat belts effective Periodically check the seat belt Keep belts clean and dry. is wearing them properly. reminder, seat belts, buckles, latch Seat belts should be properly cared for plates, retractors, shoulder belt height and maintained. Seat Belt Extender adjusters (if equipped), and seat belt anchorages to make sure they are all Seat belt hardware should be kept dry If the vehicle's seat belt will fasten in working order. Look for any other and free of dust or debris. As around you, you should use it. loose or damaged seat belt system necessary, exterior hard surfaces and seat belt webbing may be lightly But if a seat belt is not long enough, parts that might keep a seat belt cleaned with mild soap and water. your dealer will order you an extender. system from performing properly. See Ensure there is not excessive dust or When you go in to order it, take the your dealer to have it repaired. Torn, debris in the mechanism. If dust or heaviest coat you will wear, so the frayed, or twisted seat belts may not debris exists in the system please see extender will be long enough for you. protect you in a crash. Torn or frayed the dealer. Parts may need to be To help avoid personal injury, do not seat belts can rip apart under impact replaced to ensure proper let someone else use it, and use it forces. If a belt is torn or frayed, have functionality of the system. only for the seat it is made to fit. The it replaced immediately. If a belt is extender has been designed for adults. twisted, it may be possible to untwist Never use it for securing child by reversing the latch plate on the { Warning restraints. For more information on webbing. If the twist cannot be the proper use and fit of seat belt corrected, ask your dealer to fix it. Do not bleach or dye seat belt extenders see the instruction sheet Make sure the seat belt reminder light webbing. It may severely weaken that comes with the extender. is working. See Seat Belt Reminders the webbing. In a crash, they might 0 120. not be able to provide adequate protection. Clean and rinse seat belt Keep seat belts clean and dry. See Seat 0 webbing only with mild soap and Belt Care 64. lukewarm water. Allow the webbing to dry. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

SEATS AND RESTRAINTS 65 Replacing Seat Belt After a minor crash, replacement of Airbag System seat belts may not be necessary. But System Parts after a Crash the seat belt assemblies that were The vehicle has the following airbags: used during any crash may have been . A frontal airbag for the driver { Warning stressed or damaged. See your dealer to have the seat belt assemblies . A frontal airbag for the front A crash can damage the seat belt inspected or replaced. outboard passenger system in the vehicle. A damaged . A knee airbag for the driver seat belt system may not properly New parts and repairs may be necessary even if the seat belt system protect the person using it, . A knee airbag for the front was not being used at the time of the resulting in serious injury or even outboard passenger crash. death in a crash. To help make sure . A seat-mounted side impact airbag the seat belt systems are working Have the seat belt pretensioners for the driver properly after a crash, have them checked if the vehicle has been in a crash, or if the airbag readiness light . A seat-mounted side impact airbag inspected and any necessary for the front outboard passenger replacements made as soon as stays on after you start the vehicle or possible. while you are driving. See Airbag . A roof-rail airbag for the driver Readiness Light 0 121. and the passenger seated directly behind the driver . A roof-rail airbag for the front outboard passenger and the 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-13566829) - 2020 - CRC - 6/11/19

66 SEATS AND RESTRAINTS For frontal airbags, the word AIRBAG is on the center of the steering wheel { Warning { Warning for the driver and on the instrument panel for the front outboard You can be severely injured or Because airbags inflate with great passenger. killed in a crash if you are not force and faster than the blink of an wearing your seat belt, even with eye, anyone who is up against, For knee airbags, the word AIRBAG is airbags. Airbags are designed to or very close to, any airbag when it on the lower part of the instrument work with seat belts, not replace inflates can be seriously injured or panel. them. Also, airbags are not designed killed. Do not sit unnecessarily For seat-mounted side impact airbags, to inflate in every crash. In some close to any airbag, as you would be the word AIRBAG is on the side of the crashes seat belts are the only if sitting on the edge of the seat or seatback or side of the seat closest to restraint. See When Should an leaning forward. Seat belts help the door. Airbag Inflate? 0 68. keep you in position before and For roof-rail airbags, the word AIRBAG Wearing your seat belt during a during a crash. Always wear a seat is on the ceiling or trim. crash helps reduce your chance of belt, even with airbags. The driver should sit as far back as possible Airbags are designed to supplement hitting things inside the vehicle or while still maintaining control of the protection provided by seat belts. being ejected from it. Airbags are Even though today's airbags are also “supplemental restraints” to the the vehicle. The seat belts and the designed to help reduce the risk of seat belts. Everyone in the vehicle front outboard passenger airbags injury from the force of an inflating should wear a seat belt properly, are most effective when you are bag, all airbags must inflate very whether or not there is an airbag sitting well back and upright in the quickly to do their job. for that person. seat with both feet on the floor. Here are the most important things to Occupants should not lean on or know about the airbag system: sleep against the door or side windows in seating positions with seat-mounted side impact airbags and/or roof-rail airbags. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

SEATS AND RESTRAINTS 67 Where Are the Airbags? { Warning

Children who are up against, or very close to, any airbag when it inflates can be seriously injured or killed. Always secure children properly in the vehicle. To read how, see Older Children 0 77 or Infants and Young Children 0 79.

The driver knee airbag is below the steering column. The front outboard passenger knee airbag is below the The driver frontal airbag is in the glove box. center of the steering wheel. The front outboard passenger frontal There is an airbag readiness light on airbag is in the passenger side the instrument cluster, which shows instrument panel. the airbag symbol. The system checks the airbag electrical system for malfunctions. The light tells you if there is an electrical problem. See Airbag Readiness Light 0 121. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

68 SEATS AND RESTRAINTS

Warning (Continued)

airbag must be kept clear. Do not put anything between an occupant and an airbag, and do not attach or put anything on the steering wheel hub or on or near any other airbag covering. Do not use seat accessories that block the inflation path of a seat-mounted side impact airbag. Driver Side Shown, Passenger Side Driver Side Shown, Passenger Side Similar Similar Never secure anything to the roof of a vehicle with roof-rail airbags by The roof-rail airbags for the driver, The seat-mounted side impact airbags routing a rope or tie‐down through front outboard passenger, and second for the driver and front outboard any door or window opening. If you row outboard passengers are in the passenger are in the side of the do, the path of an inflating roof-rail ceiling above the side windows. seatbacks closest to the door. airbag will be blocked. { Warning When Should an Airbag If something is between an Inflate? occupant and an airbag, the airbag might not inflate properly or it This vehicle is equipped with airbags. might force the object into that See Airbag System 0 65. Airbags are person causing severe injury or designed to inflate if the impact even death. The path of an inflating exceeds the specific airbag system's deployment threshold. Deployment (Continued) thresholds are used to predict how Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

SEATS AND RESTRAINTS 69 severe a crash is likely to be in time In addition, the vehicle has advanced Both roof-rail airbags will inflate when for the airbags to inflate and help technology frontal airbags. Advanced either side of the vehicle is struck, restrain the occupants. The vehicle technology frontal airbags adjust the if the sensing system predicts that the has electronic sensors that help the restraint according to either crash vehicle is about to roll over on its airbag system determine the severity severity or occupant interaction. side, or in a severe frontal impact. of the impact. Deployment thresholds Knee airbags are designed to inflate in In any particular crash, no one can can vary with specific vehicle design. moderate to severe frontal or near say whether an airbag should have Frontal airbags are designed to inflate frontal impacts. Knee airbags are not inflated simply because of the vehicle in moderate to severe frontal or near designed to inflate during vehicle damage or repair costs. frontal crashes to help reduce the rollovers, in rear impacts, or in many potential for severe injuries, mainly to side impacts. What Makes an Airbag the driver's or front outboard Seat-mounted side impact airbags are Inflate? passenger's head and chest. designed to inflate in moderate to In a deployment event, the sensing Whether the frontal airbags will or severe side crashes depending on the system sends an electrical signal should inflate is not based primarily location of the impact. Seat-mounted triggering a release of gas from the on how fast the vehicle is traveling. side impact airbags are not designed inflator. Gas from the inflator fills the It depends on what is hit, the to inflate in frontal impacts, near airbag causing the bag to break out of direction of the impact, and how frontal impacts, rollovers, or rear the cover. The inflator, the airbag, and quickly the vehicle slows down. impacts. A seat-mounted side impact related hardware are all part of the airbag is designed to inflate on the Frontal airbags may inflate at airbag module. different crash speeds depending on side of the vehicle that is struck. For airbag locations, see Where Are the whether the vehicle hits an object Roof-rail airbags are designed to Airbags? 0 67. straight on or at an angle, and inflate in moderate to severe side whether the object is fixed or moving, crashes depending on the location of rigid or deformable, narrow or wide. the impact. In addition, these roof-rail Frontal airbags are not intended to airbags are designed to inflate during inflate during vehicle rollovers, in rear a rollover or in a severe frontal impacts, or in many side impacts. impact. Roof-rail airbags are not designed to inflate in rear impacts. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

70 SEATS AND RESTRAINTS How Does an Airbag Airbags should never be regarded as anything more than a supplement to { Warning Restrain? seat belts. In moderate to severe frontal or near When an airbag inflates, there may frontal collisions, even belted What Will You See after an be dust in the air. This dust could cause breathing problems for occupants can contact the steering Airbag Inflates? wheel or the instrument panel. In people with a history of asthma or moderate to severe side collisions, After frontal, knee, and seat-mounted other breathing trouble. To avoid even belted occupants can contact the side impact airbags inflate, they this, everyone in the vehicle should inside of the vehicle. 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 Airbags supplement the protection airbags inflated. Roof-rail airbags may but cannot get out of the vehicle provided by seat belts by distributing still be at least partially inflated for the force of the impact more evenly after an airbag inflates, then get some time after they inflate. Some over the occupant's body. fresh air by opening a window or a components of the airbag module may door. If you experience breathing Rollover capable roof-rail airbags are be hot for several minutes. For problems following an airbag designed to help contain the head and location of the airbags, see Where Are deployment, you should seek 0 chest of occupants in the outboard the Airbags? 67. medical attention. seating positions in the first and The parts of the airbag that come into second rows. The rollover capable contact with you may be warm, but roof-rail airbags are designed to help The vehicle has a feature that may not too hot to touch. There may be reduce the risk of full or partial automatically unlock the doors, turn some smoke and dust coming from ejection in rollover events, although on the interior lamps and hazard the vents in the deflated airbags. no system can prevent all such warning flashers, and shut off the fuel Airbag inflation does not prevent the ejections. system after the airbags inflate. The driver from seeing out of the feature may also activate, without But airbags would not help in many windshield or being able to steer the airbag inflation, after an event that types of collisions, primarily because vehicle, nor does it prevent people exceeds a predetermined threshold. the occupant's motion is not toward from leaving the vehicle. After turning the ignition off and then those airbags. See When Should an on again, the fuel system will return Airbag Inflate? 0 68. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

SEATS AND RESTRAINTS 71 to normal operation; the doors can be Additional windshield breakage may Passenger Sensing System locked, the interior lamps can be also occur from the front outboard turned off, and the hazard warning passenger airbag. The vehicle has a passenger sensing system for the front outboard flashers can be turned off using the . Airbags are designed to inflate controls for those features. If any of passenger position. The passenger only once. After an airbag inflates, airbag status indicator will light on these systems are damaged in the you will need some new parts for crash they may not operate as normal. the overhead console when the vehicle the airbag system. If you do not is started. get them, the airbag system will { Warning not be there to help protect you in another crash. A new system will A crash severe enough to inflate the include airbag modules and airbags may have also damaged possibly other parts. The service important functions in the vehicle, manual for the vehicle covers the such as the fuel system, brake and need to replace other parts. steering systems, etc. Even if the United States . The vehicle has a crash sensing vehicle appears to be drivable after and diagnostic module which a moderate crash, there may be records information after a crash. concealed damage that could make See Vehicle Data Recording and it difficult to safely operate the Privacy 0 387 and vehicle. Event Data Recorders 0 388. Use caution if you should attempt . Let only qualified technicians to restart the engine after a crash work on the airbag systems. Canada has occurred. Improper service can mean that The words ON and OFF, or the an airbag system will not work symbols for on and off, will be visible In many crashes severe enough to properly. See your dealer for during the system check. When the inflate the airbag, windshields are service. system check is complete, either the broken by vehicle deformation. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

72 SEATS AND RESTRAINTS word ON or OFF, or the symbol for on Never put a rear-facing child seat in or off, will be visible. See Passenger the front. This is because the risk to Warning (Continued) Airbag Status Indicator 0 121. the rear-facing child is so great, if the airbag inflates. Never put a rear-facing child The passenger sensing system turns restraint in the front seat, even if off the front outboard passenger the airbag is off. If securing a { Warning frontal airbag and knee airbag under forward-facing child restraint in the certain conditions. No other airbag is A child in a rear-facing child front outboard passenger seat, affected by the passenger sensing always move the seat as far back as system. restraint can be seriously injured or killed if the passenger frontal airbag it will go. It is better to secure child The passenger sensing system works inflates. This is because the back of restraints in the rear seat. Consider with sensors that are part of the front the rear-facing child restraint would using another vehicle to transport outboard passenger seat and seat belt. be very close to the inflating airbag. the child when a rear seat is not The sensors are designed to detect the A child in a forward-facing child available. presence of a properly seated occupant and determine if the front restraint can be seriously injured or outboard passenger frontal airbag and killed if the passenger frontal airbag The passenger sensing system is knee airbag should be allowed to inflates and the passenger seat is in designed to turn off the front inflate or not. a forward position. outboard passenger frontal airbag and knee airbag if: According to accident statistics, Even if the passenger sensing children are safer when properly system has turned off the front . The front outboard passenger seat secured in a rear seat in the correct outboard passenger airbag(s), no is unoccupied. child restraint for their weight system is fail-safe. No one can . The system determines that an and size. guarantee that an airbag will not infant is present in a child Whenever possible, children aged deploy under some unusual restraint. circumstance, even though the 12 and under should be secured in a . A front outboard passenger takes airbag(s) are off. rear seating position. his/her weight off of the seat for a (Continued) period of time. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

SEATS AND RESTRAINTS 73 . There is a critical problem with outgrown child restraints should wear 3. Remove any additional items the airbag system or the passenger a seat belt properly — whether or not from the seat such as blankets, sensing system. there is an airbag for that person. cushions, seat covers, seat When the passenger sensing system heaters, or seat massagers. has turned off the front outboard { Warning 4. Reinstall the child restraint passenger frontal airbag and knee following the directions provided airbag, the OFF indicator will light and If the airbag readiness light ever by the child restraint stay lit as a reminder that the airbags comes on and stays on, it means manufacturer and refer to are off. See Passenger Airbag Status that something may be wrong with Securing Child Restraints (With the Indicator 0 121. the airbag system. To help avoid Seat Belt in the Rear Seat) 0 92 or injury to yourself or others, have The passenger sensing system is Securing Child Restraints (With the the vehicle serviced right away. See 0 designed to turn on the front Seat Belt in the Front Seat) 94. Airbag Readiness Light 0 121 for outboard passenger frontal airbag and Make sure the seat belt retractor knee airbag anytime the system more information, including is locked by pulling the shoulder senses that a person of adult size is important safety information. belt all the way out of the sitting properly in the front outboard retractor when installing the passenger seat. When the passenger If the On Indicator Is Lit for a child restraint, even if the child sensing system has allowed the Child Restraint restraint is equipped with a seat airbag(s) to be enabled, the ON belt lock-off. When the retractor indicator will light and stay lit as a The passenger sensing system is lock is set, the belt can be reminder that the airbag(s) are active. designed to turn off the front tightened but not pulled out of outboard passenger frontal airbag and the retractor. For some children, including children knee airbag if the system determines in child restraints, and for very small that an infant is present in a child 5. If, after reinstalling the child adults, the passenger sensing system restraint. If a child restraint has been restraint and restarting the may or may not turn off the front installed and the ON indicator is lit: vehicle, the ON indicator is still outboard passenger frontal airbag and lit, turn the vehicle off. Then knee airbag, depending upon the 1. Turn the vehicle off. slightly recline the vehicle person’s seating posture and body 2. Remove the child restraint from seatback and adjust the seat build. Everyone in the vehicle who has the vehicle. cushion, if adjustable, to make Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

74 SEATS AND RESTRAINTS sure that the vehicle seatback is If the Off Indicator Is Lit for an 2. Remove any additional material not pushing the child restraint Adult-Sized Occupant from the seat, such as blankets, into the seat cushion. cushions, seat covers, seat Also make sure the child heaters, or seat massagers. restraint is not trapped under the 3. Place the seatback in the fully vehicle head restraint. If this upright position. happens, adjust the head 4. Have the person sit upright in restraint. See Head Restraints 0 the seat, centered on the seat 44. cushion, with legs comfortably 6. Restart the vehicle. extended. The passenger sensing system may or 5. If the shoulder portion of the may not turn off the airbags for a belt is pulled out all the way, the child in a child restraint depending child restraint locking feature upon the child’s size. It is better to will be engaged. This may secure the child restraint in a rear unintentionally cause the If a person of adult size is sitting in seat. Never put a rear-facing child passenger sensing system to turn the front outboard passenger seat, but restraint in the front seat, even if the the airbag off for some the OFF indicator is lit, it could be ON indicator is not lit. adult-sized occupants. If this because that person is not sitting happens, unbuckle the belt, let properly in the seat or that the child the belt go back all the way, and restraint locking feature is engaged. then buckle the belt again Use the following steps to allow the without pulling the belt out all system to detect that person and the way. enable the front outboard passenger frontal airbag and knee airbag: 6. Restart the vehicle and have the person remain in this position 1. Turn the vehicle off. for two to three minutes after the ON indicator is lit. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

SEATS AND RESTRAINTS 75 A thick layer of additional material, Servicing the { Warning such as a blanket or cushion, or aftermarket equipment such as seat Airbag-Equipped Vehicle If the front outboard passenger covers, seat heaters, and seat Airbags affect how the vehicle should airbag is turned off for an massagers can affect how well the be serviced. There are parts of the adult-sized occupant, the airbag will passenger sensing system operates. airbag system in several places around not be able to inflate and help We recommend that you not use seat the vehicle. Your dealer and the protect that person in a crash, covers or other aftermarket equipment service manual have information resulting in an increased risk of except when approved by GM for your about servicing the vehicle and the serious injury or even death. An specific vehicle. See Adding Equipment airbag system. To purchase a service adult-sized occupant should not to the Airbag-Equipped Vehicle 0 76 for manual, see Publication Ordering ride in the front outboard passenger more information about modifications Information 0 385. seat, if the passenger airbag OFF that can affect how the system indicator is lit. operates. { Warning The ON indicator may be lit if an Additional Factors Affecting object, such as a briefcase, handbag, For up to 10 seconds after the vehicle is turned off and the 12‐volt System Operation grocery bag, laptop, or other electronic device is put on an unoccupied seat. battery is disconnected, an airbag Seat belts help keep the passenger in If this is not desired remove the object can still inflate during improper position on the seat during vehicle from the seat. service. You can be injured if you maneuvers and braking, which helps are close to an airbag when it the passenger sensing system { Warning inflates. Avoid yellow connectors. maintain the passenger airbag status. They are probably part of the airbag See “Seat Belts” and “Child Restraints” Stowing articles under the system. Be sure to follow proper in the Index for additional passenger seat or between the service procedures, and make sure information about the importance of passenger seat cushion and the person performing work for you proper restraint use. 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-13566829) - 2020 - CRC - 6/11/19

76 SEATS AND RESTRAINTS Adding Equipment to the 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 Airbag-Equipped Vehicle the airbag modules and sensors, Wheels 0 333 for additional important Adding accessories that change the sensing and diagnostic module, and information. vehicle's frame, bumper system, airbag wiring along with the proper If the vehicle must be modified height, front end, or side sheet metal replacement procedures. because you have a disability and have may keep the airbag system from In addition, the vehicle has a questions about whether the working properly. passenger sensing system for the front modifications will affect the vehicle's The operation of the airbag system outboard passenger position, which airbag system, or if you have can also be affected by changing, includes sensors that are part of the questions about whether the airbag including improperly repairing or passenger seat. The passenger sensing system will be affected if the vehicle is replacing, any parts of the following: system may not operate properly if modified for any other reason, call the original seat trim is replaced with Customer Assistance. See Customer . Airbag system, including airbag non-GM covers, upholstery, or trim; or Assistance Offices 0 378. modules, front or side impact with GM covers, upholstery, or trim sensors, sensing and diagnostic designed for a different vehicle. Any module, or airbag wiring Airbag System Check object, such as an aftermarket seat . Front seats, including stitching, heater or a comfort-enhancing pad or The airbag system does not need seams or zippers device, installed under or on top of regularly scheduled maintenance or the seat fabric, could also interfere replacement. Make sure the airbag . Seat belts readiness light is working. See Airbag with the operation of the passenger 0 . Steering wheel, instrument panel, sensing system. This could either Readiness Light 121. overhead console, ceiling trim, prevent proper deployment of the or pillar garnish trim passenger airbag(s) or prevent the . Inner door seals, including passenger sensing system from speakers properly turning off the passenger airbag(s). See Passenger Sensing System 0 71. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

SEATS AND RESTRAINTS 77

Caution Warning (Continued) Child Restraints If an airbag covering is damaged, inspected and any necessary Older Children opened, or broken, the airbag may replacements made as soon as not work properly. Do not open or possible. break the airbag coverings. If there are any opened or broken airbag If an airbag inflates, you will need to coverings, have the airbag covering replace airbag system parts. See your and/or airbag module replaced. For dealer for service. the location of the airbags, see Where Are the Airbags? 0 67. See If the airbag readiness light stays on your dealer for service. after the vehicle is started or comes on when you are driving, the airbag system may not work properly. Have Replacing Airbag System the vehicle serviced right away. See Parts after a Crash Airbag Readiness Light 0 121. Older children who have outgrown { Warning booster seats should wear the vehicle’s seat belts. A crash can damage the airbag The manufacturer instructions that systems in the vehicle. A damaged come with the booster seat state the airbag system may not properly weight and height limitations for that protect you and your passenger(s) booster. Use a booster seat with a in a crash, resulting in serious lap-shoulder belt until the child injury or even death. To help make passes the fit test below: sure the airbag systems are working properly after a crash, have them (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

78 SEATS AND RESTRAINTS . Sit all the way back on the seat. can provide. The shoulder belt Do the knees bend at the seat should not cross the face or neck. Warning (Continued) edge? If yes, continue. If no, return The lap belt should fit snugly to the booster seat. below the hips, just touching the be crushed together and seriously top of the thighs. This applies belt injured. A seat belt must be used by . Buckle the lap-shoulder belt. Does only one person at a time. the shoulder belt rest on the force to the child's pelvic bones in shoulder? If yes, continue. If no, a crash. It should never be worn try using the rear seat belt over the abdomen, which could comfort guide, if available. See cause severe or even fatal internal “Rear Seat Belt Comfort Guides” injuries in a crash. under Lap-Shoulder Belt 0 60. If a Also see “Rear Seat Belt Comfort comfort guide is not available, or if Guides” under Lap-Shoulder Belt 0 60. the shoulder belt still does not rest According to accident statistics, on the shoulder, then return to the children are safer when properly booster seat. restrained in a rear seating position. . Does the lap belt fit low and snug In a crash, children who are not on the hips, touching the thighs? buckled up can strike other people If yes, continue. If no, return to who are buckled up, or can be thrown the booster seat. out of the vehicle. Older children need . Can proper seat belt fit be to use seat belts properly. maintained for the length of the { Warning trip? If yes, continue. If no, return { Warning Never allow a child to wear the seat to the booster seat. belt with the shoulder belt behind Never allow more than one child to Q: What is the proper way to wear their back. A child can be seriously wear the same seat belt. The seat seat belts? injured by not wearing the belt cannot properly spread the lap-shoulder belt properly. In a A: An older child should wear a impact forces. In a crash, they can lap-shoulder belt and get the (Continued) additional restraint a shoulder belt (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

SEATS AND RESTRAINTS 79 Infants and Young Children Warning (Continued) Warning (Continued) Everyone in a vehicle needs crash, the child would not be protection! This includes infants and tightened around a child’s neck, the restrained by the shoulder belt. The all other children. Neither the distance only way to loosen the belt is to child could move too far forward traveled nor the age and size of the cut it. increasing the chance of head and traveler changes the need, for Never leave children unattended in everyone, to use safety restraints. In neck injury. The child might also a vehicle and never allow children fact, the law in every state in the slide under the lap belt. The belt to play with the seat belts. force would then be applied right United States and in every Canadian on the abdomen. That could cause province says children up to some age serious or fatal injuries. The must be restrained while in a vehicle. Every time infants and young children shoulder belt should go over the ride in vehicles, they should have the shoulder and across the chest. { 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-13566829) - 2020 - CRC - 6/11/19

80 SEATS AND RESTRAINTS

Warning (Continued) { Warning

For example, in a crash at only Children who are up against, 40 km/h (25 mph), a 5.5 kg (12 lb) or very close to, any airbag when it infant will suddenly become a inflates can be seriously injured or 110 kg (240 lb) force on a person's killed. Never put a rear-facing child arms. An infant or child should be restraint in the front outboard seat. secured in an appropriate child Secure a rear-facing child restraint restraint. in a rear seat. It is also better to secure a forward-facing child restraint in a rear seat. If you must secure a forward-facing child Child restraints are devices used to restraint in the front outboard seat, 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. There are three basic types of child restraints: . Forward-facing child restraints . Rear-facing child restraints . Belt-positioning booster seats 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-13566829) - 2020 - CRC - 6/11/19

SEATS AND RESTRAINTS 81 For each type of child restraint, there Child Restraint Systems are many different models available. { Warning When purchasing a child restraint, be sure it is designed to be used in a A young child's hip bones are still motor vehicle. If it is, the child so small that the vehicle seat belt restraint will have a label saying that may not remain low on the hip it meets federal motor vehicle safety bones, as it should. Instead, it may standards. settle up around the child's abdomen. In a crash, the belt would The instruction manual that is apply force on a body area that is provided with the child restraint unprotected by any bony structure. states the weight and height limitations for that particular child This alone could cause serious or restraint. In addition, there are many fatal injuries. To reduce the risk of serious or fatal injuries during a kinds of child restraints available for Rear-Facing Infant Restraint children with special needs. crash, young children should always be secured in an appropriate child A rear-facing child restraint provides { Warning restraint. restraint with the seating surface against the back of the infant. To reduce the risk of neck and head The harness system holds the infant injury in a crash, infants and in place and, in a crash, acts to keep toddlers should be secured in a the infant positioned in the restraint. rear-facing child restraint until age two, or until they reach the maximum height and weight limits of their child restraint. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

82 SEATS AND RESTRAINTS Securing an Add-On Child Restraint in the Vehicle

{ Warning

A child can be seriously injured or killed in a crash if the child restraint is not properly secured in the vehicle. Secure the child restraint properly in the vehicle using the vehicle seat belt or LATCH system, following the Forward-Facing Child Restraint Booster Seats instructions that came with that A forward-facing child restraint A belt-positioning booster seat is used child restraint and the instructions provides restraint for the child's body for children who have outgrown their in this manual. with the harness. forward-facing child restraint. Boosters are designed to improve the fit of the vehicle's seat belt system To help reduce the chance of injury, until the child is large enough for the the child restraint must be secured in vehicle seat belts to fit properly the vehicle. Child restraints must be without a booster seat. See the seat secured in vehicle seats by lap belts or belt fit test in Older Children 0 77. the lap belt portion of a lap-shoulder belt, or by the LATCH system. See Lower Anchors and Tethers for Children (LATCH System) 0 84 for more information. Children can be endangered in a crash if the child restraint is not properly secured in the vehicle. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

SEATS AND RESTRAINTS 83 When securing an add-on child CPST availability in Canada, check Never put a rear-facing child restraint restraint, refer to the following: with Transport Canada or the in the front. This is because the risk 1. Instruction labels provided on Provincial Ministry of Transportation to the rear-facing child is so great if the child restraint office. the airbag deploys. Securing the Child Within the 2. Instruction manual provided { Warning with the child restraint Child Restraint 3. This vehicle owner's manual A child in a rear-facing child { Warning restraint can be seriously injured or The child restraint instructions are killed if the front passenger airbag important, so if they are not available, A child can be seriously injured or inflates. This is because the back of obtain a replacement copy from the killed in a crash if the child is not manufacturer. the rear-facing child restraint would properly secured in the child be very close to the inflating airbag. Keep in mind that an unsecured child restraint. Secure the child properly A child in a forward-facing child restraint can move around in a following the instructions that restraint can be seriously injured or collision or sudden stop and injure came with that child restraint. killed if the front passenger airbag people in the vehicle. Be sure to inflates and the passenger seat is in properly secure any child restraint in a forward position. the vehicle — even when no child is Where to Put the Restraint in it. According to accident statistics, Even if the passenger sensing In some areas Certified Child children and infants are safer when system has turned off the front Passenger Safety Technicians (CPSTs) properly restrained in an appropriate passenger frontal airbag, no system are available to inspect and child restraint secured in a rear is fail-safe. No one can guarantee demonstrate how to correctly use and seating position. that an airbag will not deploy under some unusual circumstance, even install child restraints. In the U.S., Whenever possible, children aged refer to the National Highway Traffic 12 and under should be secured in a though it is turned off. Safety Administration (NHTSA) rear seating position. (Continued) website to locate the nearest child safety seat inspection station. For Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

84 SEATS AND RESTRAINTS Depending on where you place the Lower Anchors and Warning (Continued) child restraint and the size of the child restraint, you may not be able to Tethers for Children Secure rear-facing child restraints access adjacent seat belts or LATCH (LATCH System) in a rear seat, even if the airbag is anchors for additional passengers or off. If you secure a forward-facing The LATCH system secures a child child restraints. Adjacent seating restraint during driving or in a crash. child restraint in the front seat, positions should not be used if the always move the front passenger LATCH attachments on the child child restraint prevents access to or restraint are used to attach the child seat as far back as it will go. It is interferes with the routing of the restraint to the anchors in the vehicle. better to secure the child restraint seat belt. The LATCH system is designed to in a rear seat. Wherever a child restraint is installed, make installation of a child restraint See Passenger Sensing System 0 71 be sure to follow the instructions that easier. for additional information. came with the child restraint and In order to use the LATCH system in secure the child restraint properly. your vehicle, you need a child When securing a child restraint with Keep in mind that an unsecured child restraint that has LATCH the seat belts in a rear seat position, restraint can move around in a attachments. LATCH-compatible study the instructions that came with collision or sudden stop and injure rear-facing and forward-facing child the child restraint to make sure it is people in the vehicle. Be sure to seats can be properly installed using compatible with this vehicle. properly secure any child restraint in either the LATCH anchors or the the vehicle — even when no child is vehicle’s seat belts. Do not use both Child restraints and booster seats vary in it. the seat belts and the LATCH considerably in size, and some may fit anchorage system to secure a in certain seating positions better rear-facing or forward-facing than others. child seat. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

SEATS AND RESTRAINTS 85 Booster seats use the vehicle’s seat Make sure to follow the instructions For a forward-facing 5-pt harness belts to secure the child in the booster that came with the child restraint, and child restraint where the combined seat. If the manufacturer recommends also the instructions in this manual. weight of the child and restraint are that the booster seat be secured with When installing a child restraint with up to 29.5 kg (65 lb), use either the the LATCH system, this can be done a top tether, you must also use either lower LATCH anchorages with the top as long as the booster seat can be the lower anchors or the seat belts to tether anchorage, or the seat belt with positioned properly and there is no properly secure the child restraint. the top tether anchorage. Where the interference with the proper A child restraint must never be combined weight of the child and positioning of the lap-shoulder belt on installed using only the top tether. restraint are greater than the child. 29.5 kg (65 lb), use the seat belt with the top tether anchorage only. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

86 SEATS AND RESTRAINTS Recommended Methods for Attaching Child Restraints Restraint Type Combined Weight Use Only Approved Attachment Methods Shown with an X of the Child + LATCH – Lower Seat Belt Only LATCH – Lower Seat Belt and Top Child Restraint Anchors Only Anchors and Top Tether Anchor Tether Anchor Rear-Facing Child Up to XX Restraint 29.5 kg (65 lb) Rear-Facing Child Greater than X Restraint 29.5 kg (65 lb) Forward-Facing Up to XX Child Restraint 29.5 kg (65 lb) Forward-Facing Greater than X Child Restraint 29.5 kg (65 lb)

See Securing Child Restraints (With the The following explains how to attach child restraint. See Securing Child Seat Belt in the Rear Seat) 0 92 or a child restraint with these Restraints (With the Seat Belt in the Securing Child Restraints (With the Seat attachments in the vehicle. Rear Seat) 0 92 or Belt in the Front Seat) 0 94. Securing Child Restraints (With the Seat Not all vehicle seating positions or 0 Child restraints built after March 2014 child restraints have lower anchors Belt in the Front Seat) 94. will be labeled with the specific child and attachments or top tether weight up to which the LATCH system anchors and attachments. In this case, can be used to install the restraint. the seat belt must be used (with top tether where available) to secure the Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

SEATS AND RESTRAINTS 87 Lower Anchors Top Tether Anchor Some child restraints with top tethers are designed for use with or without the top tether being attached. Others 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 restraint. Lower Anchor and Top Tether Anchor Locations

Lower anchors (1) are metal bars built A top tether (3, 4) is used to secure into the vehicle. There are two lower the top of the child restraint to the anchors for each LATCH seating vehicle. A top tether anchor is built position that will accommodate a into the vehicle. The top tether child restraint with lower attachment hook (2) on the child attachments (2). restraint connects to the top tether anchor in the vehicle in order to reduce the forward movement and rotation of the child restraint during driving or in a crash. The child restraint may have a single Rear Seat tether (3) or a dual tether (4). Either will have a single attachment hook (2) I : Seating positions with top tether to secure the top tether to the anchor. anchors. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

88 SEATS AND RESTRAINTS

H : Seating positions with two lower The top tether anchors are behind the anchors. rear seat, on the filler panel. Open the covers to access the anchors. Be sure to use an anchor located directly behind 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 To assist in locating the lower the top tether be attached, or if the anchors, each seating position with instructions that come with the child lower anchors has two labels, near the restraint say that the top tether must crease between the seatback and the The lower anchors are located in the be attached. seat cushion. crease between the seatback and seat According to accident statistics, cushion. children and infants are safer when properly restrained in a child restraint system or infant restraint system secured in a rear seating position. See Where to Put the Restraint 0 83 for additional information.

To assist in locating the top tether anchors, the top tether anchor symbol is on the cover. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

SEATS AND RESTRAINTS 89 Securing a Child Restraint Designed for the LATCH System { Warning { Warning Children can be seriously injured or The power seats will work with the { Warning strangled if a shoulder belt is ignition off. Children could operate wrapped around their neck. The the power seats and be injured. A child could be seriously injured or shoulder belt can tighten but Never leave children alone in the killed in a crash if the child cannot be loosened if it is locked. vehicle. restraint is not properly attached to The shoulder belt locks when it is the vehicle using either the LATCH pulled all the way out of the anchors or the vehicle seat belt. retractor. It unlocks when the Follow the instructions that came shoulder belt is allowed to go all Caution with the child restraint and the the way back into the retractor, but instructions in this manual. Do not adjust the power seat when it cannot do this if it is wrapped a child restraint is installed. around a child’s neck. If the Adjusting the seat may cause shoulder belt is locked and damage to the installed child { Warning tightened around a child’s neck, the restraint. Use the window lockout only way to loosen the belt is to button on the driver door to To reduce the risk of serious or cut it. prevent adjustment of the seat fatal injuries during a crash, do not Buckle any unused seat belts whenever a child restraint is attach more than one child behind the child restraint so installed. restraint to a single anchor. children cannot reach them. Pull Attaching more than one child the shoulder belt all the way out of restraint to a single anchor could the retractor to set the lock, and cause the anchor or attachment to tighten the belt behind the child come loose or even break during a restraint after the child restraint crash. A child or others could be has been installed. injured. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

90 SEATS AND RESTRAINTS 1.2. Put the child restraint on Caution the seat. Do not let the LATCH attachments 1.3. Attach and tighten the rub against the vehicle’s seat belts. lower attachments on the This may damage these parts. child restraint to the lower If necessary, move buckled seat anchors. belts to avoid rubbing the LATCH 2. If the child restraint attachments. manufacturer recommends that the top tether be attached, attach If the position you are and tighten the top tether to the If you need to secure more than one using does not have a top tether anchor, if equipped. child restraint in the rear seat, see headrest or head restraint Refer to the child restraint Where to Put the Restraint 0 83. and you are using a single instructions and the following tether, route the tether 1. Attach and tighten the lower steps: over the seatback. attachments to the lower 2.1. Find the top tether anchor. anchors. If the child restraint does not have lower attachments 2.2. Open the top tether anchor or the desired seating position cover to expose the anchor. does not have lower anchors, 2.3. Route, attach, and tighten secure the child restraint with the top tether according to the top tether and the seat belt. your child restraint Refer to the child restraint instructions and the manufacturer instructions and following instructions: the instructions in this manual. 1.1. Find the lower anchors for If the position you are the desired seating using does not have a position. headrest or head restraint Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

SEATS AND RESTRAINTS 91 and you are using a dual Replacing LATCH System tether, route the tether over the seatback. Parts After a Crash { Warning

A crash can damage the LATCH 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 If the position you are board side of the Head soon as possible. using has an adjustable Restraint posts. head restraint and you are 3. Before placing a child in the If the vehicle has the LATCH system using a single tether, route child restraint, make sure it is and it was being used during a crash, the tether around the securely held in place. To check, new LATCH system parts may be inboard side of the head grasp the child restraint at the needed. restraint. LATCH path and attempt to New parts and repairs may be move it side to side and back necessary even if the LATCH system and forth. There should be no was not being used at the time of the more than 2.5 cm (1 in) of crash. movement for proper installation. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

92 SEATS AND RESTRAINTS Securing Child Restraints In Canada, the law requires that forward-facing child restraints have a Caution (With the Seat Belt in the top tether, and that the tether be Rear Seat) attached. Do not adjust the power seat when a child restraint is installed. When securing a child restraint with If the child restraint or vehicle seat Adjusting the seat may cause the seat belts in a rear seat position, position does not have the LATCH damage to the installed child study the instructions that came with system, you will be using the seat belt restraint. Use the window lockout the child restraint to make sure it is to secure the child restraint. Be sure button on the driver door to compatible with this vehicle. to follow the instructions that came prevent adjustment of the seat with the child restraint. If the child restraint has the LATCH whenever a child restraint is system, see Lower Anchors and Tethers If more than one child restraint needs installed. for Children (LATCH System) 0 84 for to be installed in the rear seat, be sure how and where to install the child to read Where to Put the Restraint 0 83. restraint using LATCH. If a child If the rear seat is adjustable, make sure the rear seat is positioned fully restraint is secured in the vehicle { Warning using a seat belt and it uses a top rearward before installing a child restraint. tether, see Lower Anchors and Tethers The power seats will work with the for Children (LATCH System) 0 84 for ignition off. Children could operate 1. Put the child restraint on top tether anchor locations. the power seats and be injured. the seat. Do not secure a child seat in a Never leave children alone in the 2. Pick up the latch plate, and run position without a top tether anchor if vehicle. the lap and shoulder portions of a national or local law requires that the vehicle seat belt through or the top tether be anchored, or if the around the child restraint. The instructions that come with the child child restraint instructions will restraint say that the top tether must show you how. be anchored. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

SEATS AND RESTRAINTS 93

3. Push the latch plate into the 4. Pull the shoulder belt all the way 5. 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 4 and 5. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

94 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 84. very close to the inflating airbag. forward-facing child restraint. See A child in a forward-facing child Where to Put the Restraint 0 83. 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 71 and Even if the passenger sensing restraint is properly installed, Passenger Airbag Status Indicator 0 121 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-13566829) - 2020 - CRC - 6/11/19

SEATS AND RESTRAINTS 95 When using the lap-shoulder belt to around the child restraint. The Warning (Continued) secure the child restraint in this child restraint instructions will position, follow the instructions that show you how. always move the seat as far back as came with the child restraint and the it will go. It is better to secure the following instructions: child restraint in a rear seat. 1. Move the seat as far back as it 0 See Passenger Sensing System 71 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 84 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 Tilt the latch plate to adjust the the top tether be anchored, or if the indicator on the passenger airbag belt if needed. instructions that come with the child status indicator should light and restraint say that the top tether must stay lit when you start the be anchored. vehicle. See Passenger Airbag Status Indicator 0 121. 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. 3. Pick up the latch plate, and run the lap and shoulder portions of the vehicle seat belt through or Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

96 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-13566829) - 2020 - CRC - 6/11/19

SEATS AND RESTRAINTS 97 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 71. 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-13566829) - 2020 - CRC - 6/11/19

98 STORAGE Storage Storage Compartments Glove Box

{ Warning Storage Compartments Storage Compartments ...... 98 Do not store heavy or sharp objects Instrument Panel Storage ...... 98 in storage compartments. In a Glove Box ...... 98 crash, these objects may cause the Cupholders ...... 99 cover to open and could result in Armrest Storage ...... 99 injury. Rear Storage ...... 100 Center Console Storage ...... 100 Instrument Panel Storage Additional Storage Features Cargo Tie-Downs ...... 101 Convenience Net ...... 101 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-13566829) - 2020 - CRC - 6/11/19

STORAGE 99 Cupholders Armrest Storage

If equipped with seat controls, press the button and pull down the armrest. 0 From the rearseat armrest, press the Pull down to access the armrest and See Rear Seats 54. button to extend the cupholders. cupdolders. Press the latch and pull up to access Push the cupholders in to close. Press the latch and pull up to access the storage area in the rear armrest. the storage area in the rear armrest. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

100 STORAGE Rear Storage Rear Seat Pass-Through Door Center Console Storage

If equipped, press the lid to access the When the rear armrest is down, there Press the button and lift to access the storage compartment in the rear is access to the trunk. storage area. There are two USB ports doors. Press the latch and pull the access inside. See the infotainment manual. door down. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

STORAGE 101 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.

There are cupholders in the center console. Push and release on the passenger side of the cover to access the cupholders.

The cargo tie-downs can be used to secure small loads and the convenience net. See Convenience Net 0 101, if equipped. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

102 INSTRUMENTS AND CONTROLS Boost Gauge (Performance Pedestrian Ahead Indicator ...... 127 Instruments and Configuration Only) ...... 117 Traction Off Light ...... 128 Controls Engine Oil Pressure Gauge (Base StabiliTrak OFF Light ...... 128 Level Cluster Only) ...... 117 Traction Control System (TCS)/ Engine Oil Temperature Gauge StabiliTrak Light ...... 128 Controls (Performance Engine Coolant Temperature Steering Wheel Adjustment . . . . . 103 Configuration Only) ...... 118 Warning Light ...... 129 Steering Wheel Controls ...... 103 Engine Coolant Temperature Driver Mode Control Light ...... 129 Heated Steering Wheel ...... 103 Gauge ...... 119 Tire Pressure Light ...... 129 Horn ...... 104 Voltmeter Gauge (Base Level Engine Oil Pressure Light ...... 130 Windshield Wiper/Washer ...... 104 Cluster Only) ...... 120 Low Fuel Warning Light ...... 130 Compass ...... 106 Seat Belt Reminders ...... 120 Security Light ...... 131 Clock ...... 106 Airbag Readiness Light ...... 121 High-Beam On Light ...... 131 Power Outlets ...... 106 Passenger Airbag Status Lamps On Reminder ...... 131 Wireless Charging ...... 107 Indicator ...... 121 Cruise Control Light ...... 131 Charging System Light ...... 122 Door Ajar Light ...... 132 Warning Lights, Gauges, and Malfunction Indicator Lamp Indicators (Check Engine Light) ...... 123 Information Displays Warning Lights, Gauges, and Brake System Warning Light . . . . 125 Driver Information Indicators ...... 109 Electric Parking Brake Light . . . . . 125 Center (DIC) ...... 132 Instrument Cluster (Base Service Electric Parking Brake Head-Up Display (HUD) ...... 135 Level) ...... 110 Light ...... 126 Vehicle Messages Instrument Cluster (Uplevel) . . . . 113 Antilock Brake System (ABS) Vehicle Messages ...... 139 Speedometer ...... 115 Warning Light ...... 126 Engine Power Messages ...... 139 Odometer ...... 116 Gear Shifting Light ...... 126 Vehicle Speed Messages ...... 139 Trip Odometer ...... 116 Automatic Vehicle Hold (AVH) Tachometer ...... 116 Light ...... 127 Vehicle Personalization Fuel Gauge ...... 116 Lane Keep Assist (LKA) Light . . . 127 Vehicle Personalization ...... 140 Vehicle Ahead Indicator ...... 127 Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

INSTRUMENTS AND CONTROLS 103 Universal Remote System Controls Steering Wheel Controls Universal Remote System ...... 145 Universal Remote System The infotainment system can be Programming ...... 145 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 ...... 148 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-13566829) - 2020 - CRC - 6/11/19

104 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 51 and LO : Use for slow wipes. with Wipers” under Automatic Vehicle Personalization 0 140. Headlamp System 0 152. Horn OFF : Use to turn the wipers off. 1X : For a single wipe, briefly move Press a on the steering wheel pad to the wiper lever down. For several sound the horn. 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-13566829) - 2020 - CRC - 6/11/19

INSTRUMENTS AND CONTROLS 105 windshield wiper lever is released, Clear snow and ice from the wiper Rainsense additional wipes may occur depending blades and windshield before using With Rainsense, a sensor near the top on how long the windshield washer them. If frozen to the windshield, center of the windshield detects the had been activated. See Washer Fluid carefully loosen or thaw them. amount of water on the windshield 0 289 for information on filling the Damaged blades should be replaced. and controls the sensitivity of the windshield washer fluid reservoir. See Wiper Blade Replacement 0 295. windshield wiper. Heavy snow or ice can overload the Keep this area of the windshield clear { Warning wiper motor. of debris to allow for best system In freezing weather, do not use the Wiper Parking performance. washer until the windshield is If the ignition is turned off while the AUTO : If Rainsense is enabled, move warmed. Otherwise the washer fluid wipers are on LO, HI, or AUTO with the windshield wiper lever to AUTO. can form ice on the windshield, Rainsense disabled, they will Turn the band on the wiper lever to blocking your vision. immediately stop. adjust the sensitivity. If the windshield wiper lever is then moved to OFF before the driver door is { Warning opened or within 10 minutes after the ignition is off, the wipers will restart Before driving the vehicle, always and move to the base of the clear snow and ice from the hood, windshield. windshield, roof, and rear of the If the ignition is turned off while the vehicle, including all lamps and wipers are performing wipes due to windows. Reduced visibility from windshield washing or Rainsense, the snow and ice buildup could lead to wipers continue to run until they . Turn the band up for more a crash. reach the base of the windshield. sensitivity to moisture. . Turn the band down for less sensitivity to moisture. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

106 INSTRUMENTS AND CONTROLS . Move the windshield wiper lever Rear Camera Washer antenna, StabiliTrak/Electronic out of the AUTO position to Stability Control (ESC), and vehicle deactivate Rainsense. speed information. To enable or disable this feature, see The compass system is designed to “Rain Sense Wipers” under Vehicle operate for a certain number of miles Personalization 0 140. or degrees of turn before needing a signal from the GPS satellites. When Wiper Arm Assembly Protection the compass display shows CAL, drive When using an automatic car wash, the vehicle for a short distance in an move the windshield wiper lever to open area where it can receive a GPS OFF. This disables the automatic signal. The compass system will Rainsense windshield wipers. If equipped, push the windshield automatically determine when a GPS wiper lever forward to spray washer With Rainsense, if the transmission is signal is restored and provide a fluid on the rear camera lens. The in N (Neutral) and the vehicle speed is heading again. lever returns to its starting position very slow, the wipers will when released. See Rear Camera Mirror automatically stop at the base of the Clock 0 35. windshield. The time and date for the clock can be Activating the Rear Camera Washer The wiper operations return to normal set using the infotainment system. See also cleans the Night Vision Camera, when the transmission is no longer in “Time/Date” in “System” under if equipped. See Night Vision System N (Neutral) or the vehicle speed has “Settings” in the infotainment manual. 0 250. increased. Power Outlets Compass Power Outlet 12-Volt Direct Current The vehicle may have a compass display on the Driver Information The 12-volt accessory power outlet Center (DIC). The compass receives its can be used to plug in electrical heading and other information from equipment, such as a cell phone or the Global Positioning System (GPS) MP3 player. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

INSTRUMENTS AND CONTROLS 107

Caution { Warning

Hanging heavy equipment from the Wireless charging can affect the power outlet can cause damage not operation of an implanted covered by the vehicle warranty. pacemaker or other medical devices. The power outlets are designed for If you have one, it is recommended accessory power plugs only, such as to consult with your doctor before cell phone charge cords. using the wireless charging system.

Always unplug electrical equipment The vehicle must be on, in ACC/ when not in use and do not plug in ACCESSORY, or Retained Accessory The vehicle has an accessory power equipment that exceeds the maximum Power (RAP) must be active. The outlet on the rear seat trim panel. 20 amp rating. wireless charging feature may not correctly indicate charging when the Lift the cover to access the accessory Wireless Charging vehicle is in RAP. See Retained power outlet. Accessory Power (RAP) 0 188. The system operates at 145 kHz and Certain accessory power plugs may wirelessly charges one Qi compatible The operating temperature is −20 °C not be compatible with the accessory smartphone. The power output of the (−4 °F) to 60 °C (140 °F) for the power outlet and could overload system is capable of charging at a rate charging system and 0 °C (32 °F) to vehicle or adapter fuses. If a problem up to 1 amp (5W), as requested by the 35 °C (95 °F) for the smartphone. is experienced, see your dealer. compatible smartphone. See Radio When adding electrical equipment, be Frequency Statement 0 386. { Warning sure to follow the proper installation instructions included with the Remove all objects from the equipment. See Add-On Electrical charging pad before charging your Equipment 0 269. compatible smartphone. Objects, (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

108 INSTRUMENTS AND CONTROLS To charge a compatible smartphone: is capable of wireless charging Warning (Continued) 1. Remove all objects from the before repositioning it. If } such as coins, keys, rings, paper charging pad. The system may does not illuminate, the clips, or cards, between the not charge if there are any smartphone may need to be smartphone and charging pad will objects between the smartphone repositioned. become very hot. On the rare and charging pad. The smartphone may become occasion that the charging system 2. Place the smartphone face up on warm during charging. This is does not detect an object, and the the @ symbol on the charging normal. In warmer temperatures, object gets wedged between the pad and align it to the left wall the speed of charging may be smartphone and charger, remove of the charging bin. reduced. the smartphone and allow the To maximize the charge rate, Software Acknowledgements object to cool before removing it ensure the smartphone is fully from the charging pad, to prevent Certain Wireless Charging Module seated and centered in the bin burns. product from LG Electronics, Inc. with nothing under it. A thick ("LGE") contains the open source smartphone case may prevent software detailed below. Refer to the the wireless charger from indicated open source licenses (as are working, or may reduce the included following this notice) for the charging performance. See your terms and conditions of their use. dealer for additional information. OSS Notice Information 3. A green next to V will } To obtain the source code that is appear on the infotainment contained in this product, please visit display. This indicates that the http://opensource.lge.com. In addition smartphone is properly to the source code, all referred license positioned and charging. If } terms, warranty disclaimers and turns yellow, ensure that the copyright notices are available for charging pad is clear of any download. LG Electronics will also objects and that the smartphone provide open source code to you on Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

INSTRUMENTS AND CONTROLS 109 CD-ROM for a charge covering the derived from this software Warning Lights, Gauges, cost of performing such distribution without specific prior written (such as the cost of media, shipping, permission. and Indicators and handling) upon e-mail request to THIS SOFTWARE IS PROVIDED BY Warning lights and gauges can signal [email protected]. This offer is THE COPYRIGHT HOLDERS AND that something is wrong before it valid for three (3) years from the date CONTRIBUTORS "AS IS" AND ANY becomes serious enough to cause an on which you purchased the product. EXPRESS OR IMPLIED WARRANTIES, expensive repair or replacement. Freescale-WCT library INCLUDING, BUT NOT LIMITED TO, Paying attention to the warning lights THE IMPLIED WARRANTIES OF and gauges could prevent injury. Copyright (c) 2012-2014 Freescale MERCHANTABILITY AND FITNESS Some warning lights come on briefly Semiconductor, Inc.. All rights FOR A PARTICULAR PURPOSE ARE when the engine is started to indicate reserved. DISCLAIMED. IN NO EVENT SHALL they are working. When one of the 1. Redistributions of source code THE COPYRIGHT HOLDER OR warning lights comes on and stays on must retain the above copyright CONTRIBUTORS BE LIABLE FOR ANY while driving, or when one of the notice, this list of conditions and DIRECT, INDIRECT, INCIDENTAL, gauges shows there may be a problem, the following disclaimer. SPECIAL, EXEMPLARY, OR check the section that explains what CONSEQUENTIAL DAMAGES 2. Redistributions in binary form to do. Waiting to do repairs can be (INCLUDING, BUT NOT LIMITED TO, must reproduce the above costly and even dangerous. copyright notice, this list of PROCUREMENT OF SUBSTITUTE conditions and the following GOODS OR SERVICES; LOSS OF USE, disclaimer in the documentation DATA, OR PROFITS; OR BUSINESS and/or other materials provided INTERRUPTION) HOWEVER CAUSED with the distribution. AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 3. Neither the name of the LIABILITY, OR TORT (INCLUDING copyright holder nor the names NEGLIGENCE OR OTHERWISE) of its contributors may be used ARISING IN ANY WAY OUT OF THE to endorse or promote products USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

110 INSTRUMENTS AND CONTROLS Instrument Cluster (Base Level)

English Standard Theme Shown, Metric Similar Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

INSTRUMENTS AND CONTROLS 111 Cluster Menu Audio Navigation There is an interactive display area in Press SEL to select the Audio app, Press SEL to select the Navigation the center of the instrument cluster. then press T to enter the Audio app, then press T to enter the Use the right steering wheel control to menu. In the Audio menu browse for Navigation menu. If there is no active open and scroll through the different music, select from the favorites, route, you can resume the last route items and displays. or change the audio source. Use y or and turn the voice prompts on/off. S z to change the station or go to the If there is an active route, press SEL Press to access the cluster next or previous track. to cancel or resume route guidance or applications. Use y or z to scroll turn the voice prompts on or off. Phone through the list of available Options applications. Not all applications will Press SEL to select the Phone app, Press SEL to select the Options app, be available on all vehicles. then press T to enter the Phone then press T to enter the Options . Info App. This is where the menu. In the Phone menu, if there is selected Driver Information Center no active phone call, view recent calls, menu. Use y or z to scroll through (DIC) displays can be viewed. See or scroll through contacts. If there is the items. Driver Information Center (DIC) an active call, mute the phone or T while Units is 0 132. switch to handset operation. Units : Press displayed to enter the Units menu. . Audio Choose US or Metric by pressing SEL . Phone while the desired item is highlighted. . Navigation A checkmark will be displayed next to . Options the selected item. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

112 INSTRUMENTS AND CONTROLS Display Themes : There are two SEL to set the speed. Once the speed instrument cluster display is set, this feature can be turned off configurations to choose from: by pressing SEL while viewing this Standard and Technology. page. If the selected speed limit is Info Pages : Press T while Info Pages exceeded, a pop-up warning is is displayed to enter the Info Pages displayed with a chime. menu and select the items to be Software Information : Displays open displayed in the Info app. See Driver source software information. Information Center (DIC) 0 132. 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 Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

INSTRUMENTS AND CONTROLS 113 Instrument Cluster (Uplevel)

English Balanced Cluster Shown, Metric Similar Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

114 INSTRUMENTS AND CONTROLS 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-13566829) - 2020 - CRC - 6/11/19

INSTRUMENTS AND CONTROLS 115 Phone Info Pages : Press SEL while Info highlighted to enter Adjust Mode. While the Phone application page is Pages is highlighted to select the Press y or z to adjust the angle of displayed, press SEL to enter the items to be displayed in the DIC info displays. See Driver Information Center the HUD display. Press S or T to Phone menu. In the Phone menu, 0 if there is no active phone call, view (DIC) 132. highlight OK, then press SEL to save recent calls, select from favorites, Display Layout : Press SEL while the setting. Cancel can also be or scroll through contacts. If there is Display Layout is highlighted to selected to cancel the setting. The an active call, mute the phone or change the configuration of the vehicle must be in P (Park). switch to handset operation. cluster. See “Reconfigurable Instrument Cluster” earlier in this Open Source Software : Press SEL Cluster Options Menu section. while Open Source Software is To enter the cluster Options menu: highlighted to display open source Speed Warning : Allows the driver to software information. 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, Night Vision : Provides an infrared to find the Options page in one press SEL when Speed Warning is night vision image of the area beyond the headlamps that highlights and of the interactive display zones displayed. Press y or z to adjust the on the cluster. provides alerts to detected pedestrians value. This feature can be turned off or large animals. See Night Vision 2. Press SEL on the center of the by pressing and holding SEL while System 0 250. five-way control to enter the viewing this page. If the selected Options menu. speed limit is exceeded, a pop-up Speedometer Units : Press SEL while Units is warning is displayed and a chime may The speedometer shows the vehicle's highlighted to enter the Units menu. sound. speed in either kilometers per hour Choose U.S. or metric units by (km/h) or miles per hour (mph). pressing SEL while the desired item is Head-up Display (HUD) Rotation : highlighted. A checkmark will be This feature allows for adjusting the displayed next to the selected item. angle of the HUD image. Press SEL on the steering wheel controls while Head-up Display Rotation is Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

116 INSTRUMENTS AND CONTROLS Odometer When the engine is on, the Fuel Gauge tachometer will indicate the engine’s The odometer shows how far the revolutions per minute (rpm). The vehicle has been driven, in either tachometer may vary by several kilometers or miles. hundred rpm’s, during Auto Stop mode, when the engine is shutting off Trip Odometer and restarting. The trip odometer shows how far the vehicle has been driven since the trip Caution odometer was last reset. If the engine is operated with the The trip odometer is accessed and rpm’s in the warning area at the reset through the Driver Information high end of the tachometer, the Center (DIC). See Driver Information vehicle could be damaged, and the Center (DIC) 0 132. damage would not be covered by Base Level Standard Theme the vehicle warranty. Do not operate Tachometer the engine with the rpm’s in the The tachometer displays the engine warning area. speed in revolutions per minute (rpm). For vehicles with the Stop/Start system, when the ignition is on, the tachometer indicates the vehicle status. When pointing to AUTO STOP, the engine is off but the vehicle is on and can move. The engine could auto start at any time. When the indicator points to OFF, the vehicle is off. Uplevel Balanced Configuration Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

INSTRUMENTS AND CONTROLS 117 When the ignition is on, the fuel . The gauge takes a few seconds to zero point. Changes in ambient gauge indicates about how much fuel stabilize after the ignition is pressure, such as driving in mountains is left in the tank. turned on, and goes back to empty and changing weather, will slightly There is an arrow near the fuel gauge when the ignition is turned off. change the zero reading. pointing to the side of the vehicle the fuel door is on. Boost Gauge (Performance Engine Oil Pressure Gauge When the indicator nears empty, the Configuration Only) (Base Level Cluster Only) low fuel light comes on. There still is a little fuel left, but the vehicle should be refueled soon. Here are four things that some owners ask about. None of these show a problem with the fuel gauge: . 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 Metric, Standard Theme Shown indicated the tank was half full, This gauge indicates boost under but it actually took a little more or heavier throttle. less than half the tank's capacity It displays the air pressure level in the to fill the tank. intake manifold before it enters the . The gauge moves a little while engine's combustion chamber. turning a corner or speeding up. The gauge is automatically centered at zero every time the engine is started. Actual boost is displayed from this Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

118 INSTRUMENTS AND CONTROLS If the oil pressure warning light or Engine Oil Temperature Driver Information Center (DIC) message indicates oil pressure outside Gauge (Performance the normal operating range, check the Configuration Only) vehicle's oil as soon as possible. See Engine Oil 0 277.

Caution

Lack of proper engine oil maintenance can damage the engine. Driving with the engine oil English, Standard Theme Shown low can also damage the engine. The engine oil pressure gauge shows The repairs would not be covered the engine oil pressure by the vehicle warranty. Check the in kPa (kilopascals) when the engine is oil level as soon as possible. Add oil running. if required, but if the oil level is Metric Shown within the operating range and the This gauge shows the engine oil Oil pressure can vary with engine oil pressure is still low, have the speed, outside temperature and oil temperature. vehicle serviced. Always follow the viscosity. maintenance schedule for changing If the gauge pointer moves into the On some models, the oil pump will engine oil. high end, it means that the engine oil vary engine oil pressure according to has overheated. If the vehicle has been engine needs. Oil pressure may change operated under normal driving quickly as the engine speed or load conditions, pull off the road, stop the varies. This is normal. vehicle, and turn off the engine as soon as possible. See Engine Oil 0 277. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

INSTRUMENTS AND CONTROLS 119 Engine Coolant Temperature Gauge

Base Level English Standard Theme Uplevel English Balanced Configuration This gauge measures the temperature Base Level Metric Standard Theme of the vehicle's engine coolant. While driving under normal operating conditions, if the needle moves into the red area, the engine is too hot. Pull off the road, stop the vehicle, and turn off the engine as soon as possible.

Uplevel Metric Balanced Configuration Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

120 INSTRUMENTS AND CONTROLS Voltmeter Gauge (Base Readings outside the normal operating Seat Belt Reminders range can also occur when a large Level Cluster Only) number of electrical accessories are Driver Seat Belt Reminder Light operating in the vehicle and the There is a driver seat belt reminder engine is left idling for an extended light on the instrument cluster. 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 power. When the vehicle is started, this light The vehicle can only be driven for a flashes and a chime may come on to short time with the readings outside Standard Theme remind the driver to fasten their seat the normal operating range. If the belt. Then the light stays on solid When the ignition is on, this gauge vehicle must be driven, turn off all until the belt is buckled. This cycle indicates the battery voltage. accessories, such as the radio and air may continue several times if the conditioner, and unplug all chargers driver remains or becomes unbuckled When the engine is running, this and accessories. gauge shows the condition of the while the vehicle is moving. charging system. The gauge can Readings outside the normal operating If the driver seat belt is buckled, transition from a higher to lower or a range indicate a possible problem in neither the light nor the chime lower to higher reading. This is the electrical system. Have the vehicle comes on. 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 0 122. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

INSTRUMENTS AND CONTROLS 121 Passenger Seat Belt Reminder laptop, or other electronic device. To Light turn off the reminder light and/or { Warning chime, remove the object from the There is a passenger seat belt seat or buckle the seat belt. If the airbag readiness light stays reminder light near the passenger on after the vehicle is started or airbag status indicator. See Passenger Airbag Readiness Light comes on while driving, it means Sensing System 0 71. the airbag system might not be This light shows if there is an working properly. The airbags in the electrical problem with the airbag vehicle might not inflate in a crash, system. The system check includes or they could even inflate without a the airbag sensor(s), the passenger crash. To help avoid injury, have sensing system, the pretensioners, the the vehicle serviced right away. airbag modules, the wiring, and the crash sensing and diagnostic module. If there is a problem with the airbag When the vehicle is started, this light For more information on the airbag 0 system, a Driver Information Center flashes and a chime may come on to system, see Airbag System 65. (DIC) message may also come on. remind passengers to fasten their seat belt. Then the light stays on solid until the belt is buckled. This cycle Passenger Airbag Status continues several times if the Indicator passenger remains or becomes The vehicle has a passenger sensing unbuckled while the vehicle is moving. system. See Passenger Sensing System If the passenger seat belt is buckled, 0 71. The overhead console has a The airbag readiness light comes on neither the chime nor the light passenger airbag status indicator. 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-13566829) - 2020 - CRC - 6/11/19

122 INSTRUMENTS AND CONTROLS If the word ON or the on symbol is lit on the passenger airbag status Warning (Continued) indicator, it means that the front the vehicle serviced right away. See outboard passenger frontal airbag and 0 knee airbag are allowed to inflate. Airbag Readiness Light 121 for more information, including If the word OFF or the off symbol is lit important safety information. United States on the airbag status indicator, it means that the passenger sensing system has turned off the front Charging System Light outboard passenger frontal airbag and knee airbag. If, after several seconds, both status indicator lights remain on, or if there Canada are no lights at all, there may be a problem with the lights or the When the vehicle is started, the passenger sensing system. See your passenger airbag status indicator will dealer for service. On some vehicles the charging system light ON and OFF, or the symbol for light comes on briefly when the on and off, for several seconds as a { Warning ignition is turned on, but the engine is system check. Then, after several more not running, as a check to show the seconds, the status indicator will light If the airbag readiness light ever light is working. It should go out when either ON or OFF, or either the on or comes on and stays on, it means the engine is started. For vehicles with off symbol, to let you know the status that something may be wrong with a reconfigurable cluster, this light may of the front outboard passenger not come on when the ignition is frontal airbag and knee airbag. the airbag system. To help avoid injury to yourself or others, have turned on. (Continued) 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-13566829) - 2020 - CRC - 6/11/19

INSTRUMENTS AND CONTROLS 123 Have it checked by your dealer. Driving while this light is on could Caution drain the battery. Modifications to the engine, When this light comes on, or is transmission, exhaust, intake, flashing, the Driver Information or fuel system, or the use of Center (DIC) also displays a message. replacement tires that do not meet Malfunctions are often indicated by If a short distance must be driven the original tire specifications, can the system before any problem is with the light on, be sure to turn off cause this light to come on. This noticeable. Being aware of the light all accessories, such as the radio and and seeking service promptly when it could lead to costly repairs not air conditioner. comes on may prevent damage. covered by the vehicle warranty. This could also affect the vehicle’s Malfunction Indicator Lamp Caution ability to pass an Emissions (Check Engine Light) Inspection/Maintenance test. See Accessories and Modifications 0 272. This light is part of the vehicle’s If the vehicle is driven continually emission control on-board diagnostic with this light on, the emission system. If this light is on while the control system may not work as If the light is flashing : A engine is running, a malfunction has well, the fuel economy may be malfunction has been detected that been detected and the vehicle may lower, and the vehicle may not run could damage the emission control require service. The light should come smoothly. This could lead to costly system and increase vehicle on to show that it is working when repairs that might not be covered emissions. Diagnosis and service may the ignition is in Service Mode. See by the vehicle warranty. be required. 0 Ignition Positions 183. To help prevent damage, reduce vehicle speed and avoid hard accelerations and uphill grades. If towing a trailer, reduce the amount of cargo being hauled as soon as possible. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

124 INSTRUMENTS AND CONTROLS If the light continues to flash, find a . Poor fuel quality can cause The DLC is under the instrument safe place to park. Turn the vehicle off inefficient engine operation and panel to the left of the steering wheel. and wait at least 10 seconds before poor driveability, which may go Connecting devices that are not used restarting the engine. If the light is away once the engine is warmed to perform an Emissions Inspection/ still flashing, follow the previous up. If this occurs, change the fuel Maintenance test or to service the guidelines and see your dealer for brand. It may require at least one vehicle may affect vehicle operation. service as soon as possible. full tank of the proper fuel to turn See Add-On Electrical Equipment 0 269. the light off. See Recommended See your dealer if assistance is needed. If the light is on steady : A 0 malfunction has been detected. Fuel (3.6L V6 Engine) 258 or The vehicle may not pass Diagnosis and service may be Recommended Fuel (4.2L Twin inspection if: Turbo V8 Engine) 0 259. required. . The light is on when the engine is Check the following: If the light remains on, see your running. dealer. . If fuel has been added to the . The light does not come on when vehicle using the capless fuel Emissions Inspection and the ignition is in Service Mode. Maintenance Programs funnel adapter, make sure that it . Critical emission control systems “ has been removed. See Filling the If the vehicle requires an Emissions have not been completely Tank with a Portable Gas Can” 0 Inspection/Maintenance test, the test diagnosed. If this happens, the under Filling the Tank 260. The equipment will likely connect to the vehicle would not be ready for diagnostic system can detect if the vehicle's Data Link Connector (DLC). inspection and might require adapter has been left installed in several days of routine driving the vehicle, allowing fuel to before the system is ready for evaporate into the atmosphere. inspection. This can happen if the A few driving trips with the 12-volt battery has recently been adapter removed may turn off the replaced or run down, or if the light. vehicle has been recently serviced. See your dealer if the vehicle will not pass or cannot be made ready for the test. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

INSTRUMENTS AND CONTROLS 125 Brake System Warning vehicle has a brake problem. Have the Electric Parking Brake vehicle brake system serviced as soon Light as possible. Light If the light comes on while driving, pull off the road and stop carefully. If equipped with electric brake boost, vehicle speed may be limited when the brake system warning light comes Metric English on. The brake pedal might be harder Metric English to push, or the brake pedal may go This light should come on briefly closer to the floor. It could take longer This light comes on when the parking when the vehicle is turned on. If it to stop. If the light is still on, have the brake is applied. If the light continues does not come on then, have it fixed vehicle towed for service. See Towing flashing after the parking brake is so it will be ready to warn you if there the Vehicle 0 346. released, or while driving, there is a is a problem. problem with the Electric Parking If the light comes on and stays on at { Warning Brake system. A message may also start up, there is a brake problem. display in the Driver Information Have the brake system inspected The brake system might not be Center (DIC). right away. working properly if the brake If the light does not come on, system warning light is on. Driving or remains flashing, see your dealer. The brake system warning light may with the brake system warning light also come on when the parking brake on can lead to a crash. If the light is is set, if the vehicle has low brake still on after the vehicle has been fluid, or if the brakes are severely faded. If the brakes are overheated, pulled off the road and carefully DIC messages may display, and the stopped, have the vehicle towed for vehicle speed may be limited. If the service. brake fluid is not low, if the brakes are not overheated, and if the parking brake is fully released, then the Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

126 INSTRUMENTS AND CONTROLS Service Electric Parking Antilock Brake System If both the ABS warning light and the brake system warning light are on, Brake Light (ABS) Warning Light ABS is not functioning and there is a problem with the regular brakes. See your dealer for service. See Brake System Warning Light 0 125. Gear Shifting Light

On some vehicles the service electric This warning light should come on parking brake light should come on briefly when the vehicle is turned on. briefly when the vehicle is started. If the light does not come on, have it 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 If the light comes on while driving, reconfigurable cluster, this light may If equipped, this light will display safely stop as soon as it is possible when Performance Algorithm Liftfoot not come on when the vehicle is and turn off the vehicle. Then turn on started. (PAL) or Performance Algorithm Shift the vehicle again to reset the system. (PAS) is activated. See Driver Mode If this light stays on, the vehicle If the ABS warning light stays on, Control 0 204. should be taken to a dealer as soon as or comes on again while driving, the possible. See Electric Parking Brake 0 vehicle needs service. A chime may 200. A message may also display in also sound when the light stays on. the Driver Information Center (DIC). If the ABS warning light is the only light on, the vehicle has regular brakes, but ABS is not functioning. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

INSTRUMENTS AND CONTROLS 127 Automatic Vehicle Hold If available, this light is white if LKA If equipped, this indicator will display is turned on, but not ready to assist. green when a vehicle is detected (AVH) Light This light is green if LKA is turned on ahead and amber when you are and is ready to assist. following a vehicle ahead much too LKA may assist by gently turning the closely. steering wheel if the vehicle See Forward Collision Alert (FCA) approaches a detected lane marking. System 0 244. The LKA light is amber when assisting. Pedestrian Ahead Indicator This light comes on when AVH is This light flashes amber as a Lane turned on. See Automatic Vehicle Hold Departure Warning (LDW) alert, to (AVH) 0 202. indicate that the lane marking has been crossed. Lane Keep Assist (LKA) LKA will not assist or alert if the turn Light signal is active in the direction of lane departure, or if LKA detects that you are accelerating, braking, or actively If equipped, this indicator will display steering. amber when a nearby pedestrian is detected in front of the vehicle. See Lane Keep Assist (LKA) 0 254. See Front Pedestrian Braking (FPB) Vehicle Ahead Indicator System 0 247. After the vehicle is started, this light turns off and stays off if LKA has not been turned on or is unavailable. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

128 INSTRUMENTS AND CONTROLS Traction Off Light See Traction Control/Electronic Stability Traction Control System 0 Control 203. (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 0 203. limited. Adjust driving accordingly. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

INSTRUMENTS AND CONTROLS 129 See Traction Control/Electronic Stability Control 0 203. Caution (Continued) Engine Coolant and it may not be covered by the vehicle warranty. See Engine Temperature Warning Light Overheating 0 288. 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 288. 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 0 204. cluster, this light may not come on when starting the vehicle. Tire Pressure Light 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-13566829) - 2020 - CRC - 6/11/19

130 INSTRUMENTS AND CONTROLS For vehicles with the Tire Pressure Engine Oil Pressure Light If the light comes on and stays on, it Monitor System (TPMS), this light means that oil is not flowing through comes on briefly when the engine is the engine properly. The vehicle could started. It provides information about Caution be low on oil and might have some tire pressures and the TPMS. Lack of proper engine oil other system problem. See your dealer. When the Light Is On Steady maintenance can damage the engine. Driving with the engine oil Low Fuel Warning Light This indicates that one or more of the tires are significantly underinflated. low can also damage the engine. The repairs would not be covered A Driver Information Center (DIC) tire by the vehicle warranty. Check the pressure message may also display. oil level as soon as possible. Add oil Stop as soon as possible, and inflate if required, but if the oil level is the tires to the pressure value shown within the operating range and the on the Tire and Loading Information oil pressure is still low, have the label. See Tire Pressure 0 322. vehicle serviced. Always follow the This light is near the fuel gauge and When the Light Flashes First and maintenance schedule for changing comes on briefly when the ignition is Then Is On Steady engine oil. turned on as a check to show it is working. For vehicles with a If the light flashes for about a minute reconfigurable cluster, this light is in and then stays on, there may be a the display area and may not come on problem with the TPMS. If the when the ignition is turned on. problem is not corrected, the light will come on at every ignition cycle. See It also comes on when the fuel tank is Tire Pressure Monitor Operation 0 325. low on fuel. The light turns off when fuel is added. If it does not, have the vehicle serviced. This light should come on briefly as the engine is started. If it does not come on, have the vehicle serviced by your dealer. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

INSTRUMENTS AND CONTROLS 131 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 0 149. on, have the vehicle serviced by your 0 151. 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 32. 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. 0 149. See Cruise Control 0 209. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

132 INSTRUMENTS AND CONTROLS Adaptive Cruise Control Light Super Cruise 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 This light comes on to show the Cruise Control (ACC, if equipped) is on status of Super Cruise. See Super and ready, and turns green when the Cruise 0 220. ACC is set and active. Curve Speed Control Light Door Ajar Light

If equipped, this light may illuminate This light comes on when a door is green when ACC is actively controlling open or not securely latched. Before the vehicle speed and detects a sharp driving, check that all doors are y or z : Press to go to the previous curve on the road ahead. properly closed. or next selection. See Adaptive Cruise Control 0 211. 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-13566829) - 2020 - CRC - 6/11/19

INSTRUMENTS AND CONTROLS 133 SEL : Press to open a menu or select a Speed (Base Cluster) : Shows the Fuel Range and Instantaneous Fuel menu item. Press and hold to reset vehicle speed in either kilometers per Economy : Shows the approximate values on certain screens. hour (km/h) or miles per hour (mph). distance the vehicle can be driven without refueling. LOW will be DIC Information Display Options Trip A or Trip B, Average Fuel Economy, and Average Speed (Base displayed when the vehicle is low on The info displays on the DIC can be Cluster) / Trip 1 or Trip 2 and fuel. The fuel range estimate is based turned on or off through the Average Fuel Economy (Uplevel on an average of the vehicle's fuel Options menu. Cluster) : The Trip display shows the economy over recent driving history and the amount of fuel remaining in 1. Press SEL while viewing the current distance traveled, in either the fuel tank. It also shows if the Options page in one of the kilometers (km) or miles (mi), since Active Fuel Management is active and interactive display zones on the the trip odometer was last reset. The in V4 mode, or inactive and in V6 or cluster. trip odometer can be reset by pressing and holding SEL while this display is V8 mode. See Active Fuel Management 2. Scroll to Info Pages and 0 active. 191 press SEL. The Average Fuel Economy display Average Fuel Economy (Base 3. Press y or z to move through shows the approximate average liters Cluster) : Shows the approximate the list of possible info displays. per 100 kilometers (L/100 km) or average liters per 100 kilometers (L/100 km) or miles per gallon (mpg). 4. Press SEL while an item is miles per gallon (mpg). This number is calculated based on the number of This number is calculated based on highlighted to select or deselect the number of L/100 km (mpg) that item. When an item is L/100 km (mpg) recorded since the last time this menu item was reset. recorded since the last time this menu selected, a checkmark will appear item was reset. This number reflects next to it. This number reflects only the approximate average fuel economy only the approximate average fuel DIC Information Displays that the vehicle has right now, and economy that the vehicle has right will change as driving conditions now, and will change as driving The following is the list of all possible conditions change. The Average Fuel DIC information displays. Some of the change. The Average Fuel Economy can be reset along with the trip Economy can be reset by pressing and information displays may not be holding SEL while this display is available for your particular vehicle. odometer by pressing and holding SEL while this display is active. active. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

134 INSTRUMENTS AND CONTROLS Average Speed : Shows the average displayed. Press y or z to adjust the Battery Voltage : Shows the current speed of the vehicle in kilometers per battery voltage. value. This feature can be turned off hour (km/h) or miles per hour (mph). by pressing and holding SEL while Oil Life : Shows an estimate of the This average is calculated based on oil's remaining useful life. viewing this page. If the selected the various vehicle speeds recorded If REMAINING OIL LIFE 99% is since the last reset of this value. The speed limit is exceeded, a pop-up displayed, that means 99% of the average speed can be reset by pressing warning is displayed and a chime may current oil life remains. and holding SEL while this display is sound. active. When the remaining oil life is low, the Cruise Set Speed : Shows the speed CHANGE ENGINE OIL SOON message Timer : This display can be used as a will appear on the display. The oil timer. To start the timer, press SEL the cruise control or Adaptive Cruise Control is set to. should be changed as soon as while this display is active. The possible. See Engine Oil 0 277. In display will show the amount of time Follow Distance : If equipped, the addition to the engine oil life system that has passed since the timer was current follow time to the vehicle monitoring the oil life, additional last reset. To stop the timer, press SEL ahead is displayed as a time value on maintenance is recommended. See this page. briefly while this display is active and Maintenance Schedule 0 359. the timer is running. To reset the Driver Assistance (Uplevel The Oil Life display must be reset timer to zero, press and hold SEL Cluster) : May show information for while this display is active. after each oil change. It will not reset Lane Keep Assist (LKA), Lane itself. Do not reset the Oil Life display Compass (Uplevel Cluster) : Shows Departure Warning (LDW), Adaptive accidentally at any time other than the direction the vehicle is driving. Cruise Control (ACC), and Forward when the oil has just been changed. Speed Limit : Shows the current Collision Alert (FCA). The display It cannot be reset accurately until the speed limit. The information for this shows if there is a vehicle detected next oil change. To reset the engine page comes from a roadway database. ahead, and the current FCA timing oil life system, press and hold SEL for setting. In addition, when ACC is not several seconds while the Oil Life Speed Warning : Allows the driver to engaged, the current follow time to set a speed that they do not want to display is active. See Engine Oil Life the vehicle ahead is displayed as a System 0 280. exceed. To set the Speed Warning, time value on this page. press SEL when Speed Warning is Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

INSTRUMENTS AND CONTROLS 135 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 0 324 and focused out toward the front of the REPLACE AT NEXT OIL CHANGE Tire Pressure Monitor Operation 0 325. 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 SOON 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 at the earliest cluster info display areas. the distance and damage your convenience. vehicle. Do not use the HUD image The Engine Air Filter Life display Head-Up Display (HUD) as a parking aid. must be reset after the engine air { Warning filter replacement. To reset, see Engine The HUD information can be Air Filter Life System 0 281. If the HUD image is too bright or displayed in various languages in Brake Pad Life : This displays an too high in your field of view, it some vehicles. The speedometer reading and other numerical values estimate of the remaining life of the may take you more time to see front and rear brake pads. Messages can be displayed in either English or things you need to see when it is will display based on brake pad wear metric units. dark outside. Be sure to keep the and the state of the system. Reset the Brake Pad Life display after replacing HUD image dim and placed low in the brake pads. See Brake Pad Life your field of view. System 0 291. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

136 INSTRUMENTS AND CONTROLS The language selection is changed . Performance ! : Press to select the display view. through the radio, and the units of . Safety Indicators Each press will change the measurement is changed through the display view. instrument cluster. See “Settings” in . Vehicle Messages the infotainment manual and D : Lift and hold to brighten the Some vehicle messages or alerts display. Press and hold to dim the "Options" under Instrument Cluster displayed in the HUD may be cleared 0 display. Continue to hold to turn the (Base Level) 110 or by using the steering wheel controls. 0 display off. Instrument Cluster (Uplevel) 113. See Vehicle Messages 0 139. The HUD image will automatically dim and brighten to compensate for outside lighting. The HUD brightness control can also be adjusted as needed. The HUD image can temporarily light up depending on the angle and The HUD control is to the left of the position of sunlight on the HUD steering wheel. display. This is normal. To adjust the HUD image: Polarized sunglasses could make the HUD image harder to see. 1. Adjust the driver seat. HUD Display on the Windshield HUD Rotation Option 2. Start the engine. The HUD may display some of the This feature allows for adjusting the following information: 3. Use the following settings to angle of the HUD image. adjust the HUD. . Speed Press SEL on the steering wheel $ : Press or lift to center the HUD controls while Head-up Display . Audio image. The HUD image can only be Rotation is highlighted to enter adjusted up and down, not side . Phone Adjust Mode. Press or to to side. y z . Navigation adjust the angle of the HUD display. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

INSTRUMENTS AND CONTROLS 137

Press S or T to highlight OK, then Speed View : This displays digital information. The current radio station, press SEL to save the setting. speed in English or metric units, media type, and incoming calls will be CANCEL can also be selected to speed limit, vehicle ahead indicator, displayed. cancel the setting. The vehicle must pedestrian indicator, Lane Departure All HUD views may briefly display be in P (Park). See Instrument Cluster Warning/Lane Keep Assist/Super audio information when the steering (Base Level) 0 110 or Cruise, Adaptive Cruise Control (ACC), wheel controls are used to adjust the Instrument Cluster (Uplevel) 0 113. and ACC set speed. Some information audio information appearing in the only appears on vehicles that have instrument cluster. HUD Views these features, and when they are There may be four views in the HUD. active. Some vehicle information and vehicle messages or alerts may be displayed in any view.

Metric Metric

Metric

English English Navigation View : This display includes digital speed, indicators from Audio/Phone View : This displays speed view, along with Turn-by-Turn digital speed, indicators from speed Navigation information in some English view, along with audio/phone Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

138 INSTRUMENTS AND CONTROLS vehicles. The compass heading is The shift timing lights at the top of HUD Troubleshooting displayed when navigation routing is the display will appear with increases If the HUD image cannot be seen not active. in engine rpm. The rows of lights get when the ignition is on, check that: Navigation Turn-by-Turn Alerts closer together as the shift point gets . Nothing is covering the HUD lens. shown in the instrument cluster may closer. Shift the transmission before also be displayed in any HUD view. the lights come together in the . The HUD brightness setting is not display. Shift immediately if the lights too dim or too bright. are flashing. See Manual Mode 0 197. . The HUD is adjusted to the proper Care of the HUD height. Clean the inside of the windshield to . Polarized sunglasses are not worn. remove any dirt or film that could . reduce the sharpness or clarity of the The windshield and HUD lens are Metric HUD image. clean. Clean the HUD lens with a soft cloth If the HUD image is not correct, sprayed with glass cleaner. Wipe the contact your dealer. lens gently, then dry it. The windshield is part of the HUD system. If the windshield needs replacing, see Windshield Replacement 0 295. English Performance View : This display includes the information in the speed view, along with rpm reading, transmission positions, and gear shift indicator, if equipped. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

INSTRUMENTS AND CONTROLS 139 Vehicle Messages . Steering driven. The vehicle may be driven . Ride Control Systems while this message is on, but Messages displayed on the DIC maximum acceleration and speed may indicate the status of the vehicle or . Driver Assistance Systems be reduced. Anytime this message some action that may be needed to . Cruise Control stays on, or displays repeatedly, the correct a condition. Multiple messages vehicle should be taken to your dealer may appear one after another. . Lighting and Bulb Replacement for service as soon as possible. The messages that do not require . Wiper/Washer Systems Under certain operating conditions, immediate action can be . Doors and Windows propulsion will be disabled. Try acknowledged and cleared by pressing restarting after the vehicle has been . SEL. The messages that require Seat Belts off for 30 seconds. immediate action cannot be cleared . Airbag Systems until that action is performed. . Engine and Transmission Vehicle Speed Messages All messages should be taken . Tire Pressure SPEED LIMITED TO XXX seriously; clearing the message does not correct the problem. . Battery KM/H (MPH) If a SERVICE message appears, see This message shows that the vehicle your dealer. Engine Power Messages speed has been limited to the speed displayed. The limited speed is a Follow the instructions given in the ENGINE POWER IS REDUCED protection for various propulsion and messages. The system displays This message displays when the vehicle systems, such as lubrication, messages regarding the following vehicle's propulsion power is reduced. brakes, thermal, suspension, Teen topics: A reduction in propulsion power can Driver if equipped, or tires. . 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 performance, proceed to your . Brakes destination. The performance may be reduced the next time the vehicle is Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

140 INSTRUMENTS AND CONTROLS Vehicle Personalization The menu may contain the following: Steering This allows the Steering setting to be The following are all possible vehicle Rear Seat Reminder changed. personalization features. Depending This allows for a chime and a message on the vehicle, some may not be when the rear door has been opened Touch Auto (follows the MODE available. before or during operation of the switch), Tour, Sport, or Track (V-Series only). For System, Apps, and Personal vehicle. features and functions, see “Settings” Touch Off or On. Suspension in the infotainment manual. Driving Mode This allows the Suspension setting to To access the vehicle be changed. personalization menu: These settings will overwrite the main Vehicle Mode selections made with Touch Auto (follows the MODE 1. Touch the Settings icon on the the MODE switch on the console. switch), Tour, Sport, or Track Home Page of the infotainment (V-Series only). display. Touch and the following may display: Climate and Air Quality 2. Touch Vehicle to display a list of . Engine Sound Touch and the following may display: available options. . Steering . Auto Fan Speed 3. Touch to select the desired . Suspension feature setting. . Air Quality Sensor Engine Sound 4. Touch 9 or R to turn a feature . Auto Cooled Seats This allows the Engine Sound setting off or on. to be changed. . Auto Heated Seats z 5. Touch to go to the top level of Touch Auto (follows the MODE . Auto Defog the Settings menu. switch), Tour, Sport, or Track . Auto Rear Defog (V-Series only). . Ionizer Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

INSTRUMENTS AND CONTROLS 141 Auto Fan Speed using the heated seat buttons on the Collision / Detection Systems center stack. See Heated and Ventilated This setting specifies the amount of 0 Touch and the following may display: airflow when the climate control fan Front Seats 51. . Alert Type setting is Auto Fan. If equipped with Auto Heated Steering . Forward Collision System Touch Low, Medium, or High. Wheel, this feature will turn on when the Auto Heated Seats turn on. . Front Pedestrian Detection Air Quality Sensor Touch Off or On. . Adaptive Cruise Go Notifier This setting switches the system into Auto Defog Recirculation Mode based on the . Lane Change Alert quality of the outside air. This setting automatically turns the . Rear Pedestrian Detection front defogger on when the engine is Touch Off, Low Sensitivity, or High . Rear Cross Traffic Alert Sensitivity. started. Touch Off or On. Alert Type Auto Cooled Seats Auto Rear Defog This setting specifies the type of When enabled, this feature will vehicle feedback provided, either a automatically activate the ventilated This setting automatically turns the beep or seat vibration, when you are seats at the level required by the rear defogger on when the engine is in danger of colliding with an object. interior temperature. See Heated and started. 0 Touch Beeps or Safety Alert Seat. Ventilated Front Seats 51. Touch Off or On. Touch Off or On. Forward Collision System Ionizer Auto Heated Seats This setting controls the vehicle If equipped and on, this feature response when detecting a vehicle This setting automatically turns on purifies the air in the interior of the ahead of you. The Off setting disables and regulates the heated seats when vehicle. See Automatic Climate Control all FCA and AEB functions. With the 0 the cabin temperature is cool. The System (Dual Zone) 158 or Alert and Brake setting, both FCA and auto heated seats can be turned off by Automatic Climate Control System AEB are available. The Alert setting 0 (Quad Zone) 163. disables AEB. See Automatic Touch Off or On. Emergency Braking (AEB) 0 246. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

142 INSTRUMENTS AND CONTROLS Touch Off, Alert, or Alert and Brake. approaching your blind spot, during a . Rain Sense Wipers lane change maneuver. See Lane Front Pedestrian Detection . Hands Free Liftgate/Trunk Control Change Alert (LCA) 0 252. Chime Volume This feature will turn on or off the When Lane Change Alert is disabled, Front Pedestrian Braking (FPB) system Side Blind Zone Alert is also disabled. This setting determines the chime alerts and automatic braking. The Off volume level. setting disables all FPB functions. Touch Off or On. Touch the controls on the With the Alert & Brake setting, system Rear Pedestrian Detection alerts and automatic braking are both infotainment display to adjust the available. The Alert setting disables This setting specifies if there is an volume. alert when the system detects automatic braking. See Front Reverse Tilt Mirror Pedestrian Braking (FPB) System 0 247. pedestrians behind the vehicle when in R (Reverse). When on, both the driver and Touch Off, Alert, or Alert & Brake. Touch Off or Alert. passenger, driver, or passenger outside Adaptive Cruise Go Notifier mirrors will tilt downward when the Rear Cross Traffic Alert vehicle is shifted to R (Reverse) to This setting determines if an alert will improve visibility of the ground near appear when Adaptive Cruise Control This setting specifies if an alert will display when the vehicle detects the rear wheels. They will return to brings the vehicle to a complete stop their previous driving position when and the vehicle ahead of you starts approaching rear cross traffic when in R (Reverse). See Assistance Systems for the vehicle is shifted out of moving again. See Adaptive Cruise R (Reverse) or the engine is turned off. Control 0 211. Parking or Backing 0 235. Touch Off or On. Touch Off, On - Driver and Passenger, Touch Off or On. On - Driver, or On - Passenger. Lane Change Alert Comfort and Convenience This setting specifies if an alert will Touch and the following may display: display on the outside mirror to help . Chime Volume you avoid crashing into a vehicle in your blind spot, or rapidly . Reverse Tilt Mirror . Remote Mirror Folding Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

INSTRUMENTS AND CONTROLS 143 Remote Mirror Folding Vehicle Locator Lights Auto Door Unlock When on, the outside mirrors will This setting flashes the vehicle’s This allows selection of which of the automatically fold or unfold when the headlamps when K is pressed on the doors will automatically unlock when Remote Keyless Entry (RKE) Remote Keyless Entry (RKE) the vehicle is shifted into P (Park). transmitter Q or K is pressed and transmitter. Touch Off, All Doors, or Driver Door. held on. Touch Off or On. Delayed Door Lock Touch Off or On. Exit Lighting This setting delays the locking of the Rain Sense Wipers This setting specifies how long the vehicle’s doors. This setting automatically turns on headlamps stay on after the vehicle is Touch Off or On. the wipers when moisture is detected turned off and exited. Remote Lock, Unlock, Start and the wiper switch is in Touch Off, 30 Seconds, 60 Seconds, intermittent mode. or 120 Seconds. Touch and the following may display: Touch Disabled or Enabled. Power Door Locks . Remote Unlock Light Feedback Hands Free Liftgate/Trunk Control . Touch and the following may display: Remote Lock Feedback The power trunk may be operated . . Open Door Anti Lock Out Remote Door Unlock with a kicking motion under the rear . Remote Start Auto Cool Seats bumper at the location of the . Auto Door Unlock 0 . projected logo. See Trunk 23. . Delayed Door Lock Remote Start Auto Heat Seats Select Off, On-Open and Close, . Remote Window Operation Open Door Anti Lock Out or On-Open Only. . Passive Door Unlock This setting prevents the driver door Lighting from locking when the door is open. . Passive Door Lock Touch and the following may display: If this setting is on, the Delayed Door . Remote Left in Vehicle Alert Lock menu will not be available. . Vehicle Locator Lights Touch Off or On. . Exit Lighting Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

144 INSTRUMENTS AND CONTROLS Remote Unlock Light Feedback Remote Start Auto Heat Seats Passive Door Lock This setting flashes the exterior lamps This setting automatically turns on This setting specifies if the vehicle will when the vehicle is unlocked with the the heated seats when using the automatically lock, or lock and RKE transmitter. remote start function on cold days. provide an alert after all the doors are Touch Off or Flash Lights. See Heated and Ventilated Front Seats closed, and you walk away from the 0 51 and vehicle with the RKE transmitter. See Remote Lock Feedback Remote Vehicle Start 0 17. Remote Keyless Entry (RKE) System 0 This setting specifies how the vehicle If equipped with Auto Heated Steering Operation 10. responds when the vehicle is locked Wheel, this feature will turn on when Touch Off, On with Horn Chirp, or On. with the RKE transmitter. the Remote Start Auto Heated Seats Remote Left in Vehicle Alert Touch Off, Lights and Horn, Lights turn on. Only, or Horn Only. Touch Off or On. This feature sounds an alert when the RKE transmitter is left in the vehicle. Remote Door Unlock Remote Window Operation This menu also enables Remote No This setting specifies whether all If equipped, this feature enables Longer in Vehicle Alert. doors, or just the driver door, unlock remote operation of the windows with Touch Off or On. K the RKE transmitter. See Remote when pressing on the RKE Seating Position transmitter. Keyless Entry (RKE) System Operation 0 10. Touch and the following may display: Touch All Doors or Driver Door. Touch Off or On. . Seat Entry Memory Remote Start Auto Cool Seats Passive Door Unlock . Seat Exit Memory If equipped and turned on, this feature will turn the ventilated seats This setting specifies which doors Seat Entry Memory unlock when using the button on the on when using remote start on This feature automatically recalls the driver door handle to unlock the warm days. previously stored 1 or 2 button vehicle. Touch Off or On. positions when the ignition is changed Touch Off, All Doors, or Driver from off to on or ACC/ACCESSORY. Door Only. See Memory Seats 0 48. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

INSTRUMENTS AND CONTROLS 145 Touch On or Off. Valet Mode Universal Remote Seat Exit Memory This will lock the infotainment system System and steering wheel controls. It may This feature automatically recalls the also limit access to vehicle storage See Radio Frequency Statement 0 386. previously stored exit button positions locations, if equipped. when the ignition is changed from on or ACC/ACCESSORY to off if the driver To enable valet mode: Universal Remote System door is open or opened. See Memory Programming 0 1. Enter a four-digit code on the Seats 48. keypad. Touch Off or On. 2. Touch Enter to go to the Teen Driver confirmation screen. See “Teen Driver” under “Settings” in 3. Re-enter the four-digit code. the infotainment manual. Touch Lock or Unlock to lock or unlock the system. Touch Back to go back to the previous menu.

If equipped, these buttons are in the overhead console. This system can replace up to three remote control transmitters used to activate devices such as garage door openers, security systems, and home automation devices. These Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

146 INSTRUMENTS AND CONTROLS instructions refer to a garage door Make sure the hand-held transmitter button until the indicator light opener, but can be used for other has a new battery for quick and changes from a slow to a rapid devices. accurate transmission of the flash. Then release both buttons. Do not use the Universal Remote radio-frequency signal. Some garage door openers may system with any garage door opener Programming the Universal require substitution of Step 2 that does not have the stop and Remote System with the procedure under “Radio reverse feature. This includes any Signals for Canada and Some garage door opener model For questions or programming help, Gate Operators” later in this manufactured before April 1, 1982. see www.homelink.com/gm or call section. 1-800-355-3515. Read these instructions completely 3. Press and hold the newly before programming the Universal Programming involves time-sensitive programmed Universal Remote Remote system. It may help to have actions, and may time out causing the system button for five seconds another person assist with the procedure to be repeated. while watching the indicator programming process. To program up to three devices: light and garage door activation. Keep the original hand-held 1. Hold the end of the hand-held . If the indicator light stays on transmitter for use in other vehicles transmitter about 3 to 8 cm (1 to continuously or the garage as well as for future programming. 3 in) away from the Universal door moves when the button Erase the programming when vehicle Remote system buttons with the is pressed, then programming ownership is terminated. See “Erasing indicator light in view. The is complete. There is no need Universal Remote System Buttons” hand-held transmitter was to complete Steps 4–6. later in this section. supplied by the manufacturer of . If the indicator light does not To program a garage door opener, the garage door opener receiver. come on or the garage door park outside directly in line with and 2. At the same time, press and hold does not move, a second facing the garage door opener receiver. both the hand-held transmitter button press may be Clear all people and objects near the button and one of the three required. For a second time, garage door. Universal Remote system press and hold the newly buttons to be used to operate the programmed button for garage door. Do not release either Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

INSTRUMENTS AND CONTROLS 147 five seconds. If the light stays 6. Inside the vehicle, press and hold Canadian radio-frequency laws and on or the garage door moves, the newly programmed Universal some U.S. gate operators require programming is complete. Remote system button for transmitter signals to time out or quit . If the indicator light blinks three seconds and then release it. after several seconds of transmission. rapidly for two seconds, then If the garage door does not move This may not be long enough for the changes to a solid light and or the lamp on the garage door Universal Remote system to pick up the garage door does not opener receiver does not flash, the signal during programming. move, continue with press and hold the same button If the programming did not work, programming Steps 4–6. a second time for three seconds replace Step 2 under “Programming then release it. Again, if the door the Universal Remote System” with does not move or the garage the following: door lamp does not flash, press and hold the same button a third Press and hold the Universal Remote time for three seconds, then system button while pressing and release it. releasing the hand-held transmitter button every two seconds until the The Universal Remote system should signal has been successfully accepted now activate the garage door. by the Universal Remote system. The Repeat the process for programming Universal Remote system indicator Learn or Smart Button the two remaining buttons. light will flash slowly at first and then 4. After completing Steps 1–3, rapidly. Proceed with Step 3 under Radio Signals for Canada and “Programming the Universal Remote locate the Learn or Smart button Some Gate Operators inside the garage on the garage System” to complete. door opener receiver. The name For questions or programming help, and color of the button may vary see www.homelink.com/gm or call by manufacturer. 1-800-355-3515. 5. Press and release the Learn or Smart button. Step 6 must be completed within 30 seconds of pressing this button. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

148 INSTRUMENTS AND CONTROLS Universal Remote System Reprogramming a Single Operation Universal Remote System Button Using the Universal Remote To reprogram any of the system System buttons: Press and hold the appropriate 1. Press and hold any one of the Universal Remote system button for at buttons. Do not release the least one-half second. The indicator button. light will come on while the signal is being transmitted. 2. The indicator light will begin to flash after 20 seconds. Without Erasing Universal Remote releasing the button, proceed System Buttons with Step 1 under “Programming ” Erase all programmed buttons when the Universal Remote System. vehicle ownership is terminated. To erase: 1. Press and hold the two outside buttons until the indicator light begins to flash. This should take about 10 seconds. 2. Release both buttons. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

LIGHTING 149 Lighting Lighting Features Exterior Lighting Entry Lighting ...... 155 Exit Lighting ...... 155 Exterior Lamp Controls Exterior Lighting Battery Load Management ...... 156 Battery Power Protection ...... 156 Exterior Lamp Controls ...... 149 Exterior Lighting Battery Exterior Lamps Off Reminder . . . 151 Saver ...... 156 Headlamp High/Low-Beam Changer ...... 151 Flash-to-Pass ...... 151 Daytime Running Lamps (DRL) ...... 151 Automatic Headlamp System . . . 152 Hazard Warning Flashers ...... 152 Turn and Lane-Change The exterior lamp control is on the Signals ...... 153 turn signal lever. Cornering Lamps ...... 153 Turn the control to the following Interior Lighting positions: Instrument Panel Illumination Control ...... 153 O : Turns the exterior lamps off and Courtesy Lamps ...... 154 deactivates the AUTO mode. Turn to Dome Lamps ...... 154 O again to reactivate the AUTO mode. Reading Lamps ...... 154 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-13566829) - 2020 - CRC - 6/11/19

150 LIGHTING

; : 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. by the button on the turn signal lever. If this happens, press the This light b comes on in the Driving with IntelliBeam button on the end of the turn instrument cluster when the signal lever when the exterior IntelliBeam system is enabled. The system only activates the high beams when driving over 40 km/h lamp control is in the AUTO or 2 (25 mph). position to reactivate the IntelliBeam system. The The blue high-beam on light appears instrument cluster light will come on the instrument cluster when the on to indicate the IntelliBeam is high beams are on. reactivated. There is a sensor near the top center The high beams may not turn off of the windshield that automatically automatically if the system cannot controls the system. Keep this area of detect another vehicle's lamps because the windshield clear of debris to allow of any of the following: for best system performance. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

LIGHTING 151 . The other vehicle's lamps are Exterior Lamps Off Daytime Running missing, damaged, obstructed from view, or otherwise undetected. Reminder Lamps (DRL) . The other vehicle's lamps are A warning chime sounds if the driver DRL can make it easier for others to covered with dirt, snow, and/or door is opened while the ignition is off see the front of your vehicle during road spray. and the exterior lamps are on. the day. Fully functional DRL are required on all vehicles first sold in . The other vehicle's lamps cannot Headlamp High/Low-Beam Canada. be detected due to dense exhaust, smoke, fog, snow, road spray, mist, Changer If equipped, the DRL will come on when all of the following conditions or other airborne obstructions. 3 : Push the turn signal lever away are met: . The vehicle's windshield is dirty, from you and release, to turn the high cracked, or obstructed by beams on. To return to low beams, . The ignition is on. something that blocks the view of push the lever again or pull it toward . The exterior lamp control is the light sensor. you and release. 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 . The parking brake is released or not detect headlamps and the vehicle is not in P (Park). taillamps. When the DRL are on, the taillamps, . The vehicle is being driven on sidemarker lamps, and other lamps winding or hilly roads. This indicator light turns on in the will not be on. The automatic high-beam headlamps instrument cluster when the The DRL turn off when the headlamps may need to be disabled if any of the high-beam headlamps are on. above conditions exist. are turned to O or the ignition is off. Flash-to-Pass For vehicles first sold in Canada, the To flash the high beams, pull the turn DRL can only be turned off when the signal lever toward you, and release. vehicle is parked. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

152 LIGHTING Automatic Headlamp If the vehicle is started in a dark other exterior lamps come on. The garage, the automatic headlamp transition time for the lamps coming System system comes on immediately. If it is on varies based on wiper speed. When When the exterior lamp control is set light outside when the vehicle leaves the wipers are not operating, these to AUTO and it is dark enough the garage, there is a slight delay lamps turn off. Move the exterior outside, the headlamps come on before the automatic headlamp lamp control to O or ; to disable automatically. system changes to the DRL. During this feature. that delay, the instrument cluster may not be as bright as usual. Make sure Hazard Warning Flashers the instrument panel brightness control is in the full bright position. See Instrument Panel Illumination Control 0 153. 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. There is a light sensor on top of the For vehicles sold in Canada, this | : Touch this button to make the instrument panel. Do not cover the control only works when the front and rear turn signal lamps flash sensor. transmission is in P (Park). on and off. Touch again to turn the flashers off. The system may also turn on the Lights On with Wipers headlamps when driving through a The hazard warning flashers turn on parking garage or tunnel. If the windshield wipers are activated automatically if the airbags deploy. in daylight with the engine on, and the exterior lamp control is in AUTO, the headlamps, parking lamps, and Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

LIGHTING 153 Turn and Lane-Change The turn and lane-change signal can Interior Lighting Signals be turned off manually by moving the lever back to its original position. Instrument Panel If after signaling a turn or lane change, the arrow flashes rapidly or Illumination Control 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 Move the lever all the way up or down If equipped with cornering lamps, they to signal a turn. automatically come on when all of the An arrow on the instrument cluster following occur: flashes in the direction of the turn or . The low-beam headlamps are on. lane change. . The turn signals are activated or Raise or lower the lever until the the steering wheel is at a turning The brightness of the instrument arrow starts to flash to signal a lane angle. panel lighting and steering wheel change. Hold it there until the lane controls can be adjusted. change is completed. If the lever is . The vehicle speed is below 40 Km/ h or (25 mph). D : Move the thumbwheel up or briefly pressed and released, the turn down to brighten or dim the lights. signal flashes three times. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

154 LIGHTING 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-13566829) - 2020 - CRC - 6/11/19

LIGHTING 155 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 10. 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 140. “Vehicle Locator Lights” under Vehicle Personalization 0 140. The exterior lamps turn off immediately by turning the exterior lamp control off. This feature can be changed. See Vehicle Personalization 0 140. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

156 LIGHTING 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-13566829) - 2020 - CRC - 6/11/19

INFOTAINMENT SYSTEM 157 Infotainment System Introduction Infotainment Introduction Infotainment ...... 157 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-13566829) - 2020 - CRC - 6/11/19

158 CLIMATE CONTROLS 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) ...... 158 display are used to adjust the heating, cooling, and ventilation. Automatic Climate Control System (Quad Zone) ...... 163 Air Vents Air Vents ...... 169 Maintenance Passenger Compartment Air Filter ...... 170 Service ...... 170

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-13566829) - 2020 - CRC - 6/11/19

CLIMATE CONTROLS 159 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-13566829) - 2020 - CRC - 6/11/19

160 CLIMATE CONTROLS To improve fuel efficiency and to cool the Sync indicator will be lit. Adjust airflow can be controlled manually. the vehicle faster, recirculation may be the driver side temperature control to Press AUTO to return to automatic automatically selected in warm change the linked temperature. When operation. weather. The recirculation light will the front or rear passenger settings To change the current mode, select not come on in AUTO mode. Press are adjusted, the Sync indicator will one of the following: @ to select recirculation; press it turn off. again to select outside air. Y : Air is directed to the instrument Manual Operation panel outlets. English units can be changed to Q R metric units through the instrument 9 : Press or touch the fan \ : Air is divided between the cluster. See “Cluster Options Menu” buttons on the center stack or climate instrument panel outlets and the floor under Instrument Cluster (Base Level) control display to increase or decrease outlets. 0 the fan speed. Press and hold the 110 or [ : Air is directed primarily to the Instrument Cluster (Uplevel) 0 113. buttons to adjust speed more quickly. The fan speed setting displays. floor outlets with some air directed to OFF : Press to turn the fan on or off. Pressing either button cancels the windshield and outboard vent outlets. Q / R : The temperature can be automatic fan control and the fan can adjusted separately for the driver and be controlled manually. Press AUTO to c : Clears the windows of fog or the passenger. Press up or down to return to automatic operation. moisture. Air is directed to the increase or decrease the temperature. Driver and Passenger Air Delivery windshield, outboard vent outlets, and Press and hold up or down to rapidly Mode Controls : When the climate floor outlets. increase or decrease the temperature. information is displayed, touch the 0 : Clears the windshield of fog or The driver and passenger desired air delivery mode on the frost more quickly. Air is directed to temperatures can also be adjusted by climate control display to change the the windshield. Press 0 to turn on or direction of the airflow. The selected touching the controls on the climate off. Changing the air delivery mode control display. air delivery mode button is lit. Touching any of the air delivery also turns the defrost off. Sync : Touch Sync on the climate buttons cancels automatic air delivery A/C : Touch A/C on the climate control display to link all climate zone control and the direction of the settings to the driver settings. When control display to turn the air all climate zone settings are linked, conditioning on or off. If the fan is Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

CLIMATE CONTROLS 161 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 0 140. 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, Heater, K : Press to turn the rear window or Defog 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 0 140. When Auto Rear a sensor to detect air pollution. When may adjust to outside air supply and turn on the air conditioner. If the Window Defogger is selected, the rear using automatic air recirculation, the window defogger turns on air quality control system may climate control system does not detect possible window fogging, it automatically when the interior operate. To adjust the sensitivity of temperature is cold and the outside the air quality sensor, see “Climate returns to normal operation. To turn “ temperature is about 4 °C (40 °F) and and Air Quality” under Vehicle Auto Defog off or on, see Climate and ” below. Personalization 0 140. Air Quality under Vehicle Personalization 0 140. The upper grid lines on the rear @ : Press to alternate between window are antenna lines and are not recirculating air inside the vehicle or Ionizer : If equipped with an ionizer, this feature helps to clean the air intended to heat when the defogger is pulling in outside air. The indicator activated. light on the button is lit when inside the vehicle and remove recirculation mode is active. This contaminants such as pollen, odors, The heated outside mirrors turn on helps to quickly cool the air inside the and dust. If the climate control when the rear window defogger vehicle or reduce the outside air and system is on and the ionizer is button is on and help to clear fog or odors that might enter. enabled, the ionizer status indicator frost from the surface of the mirrors. will be lit on the climate control Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

162 CLIMATE CONTROLS 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 window defogger may come rear window defogger grid and on during remote start based on cold affect the radio's ability to pick up ambient conditions. The rear window stations clearly. The repairs would defogger indicator light does not come not be covered by the vehicle on during a 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. during a remote start. If equipped, the passenger seatback only. heated steering wheel will come on in The climate control system uses the sensor information to adjust the Press J or z to heat the driver or a remote start if it is cold outside. The heated steering wheel indicator temperature, fan speed, recirculation, passenger seat cushion and seatback. light may not come on. See Remote and air delivery mode for best 0 comfort. Press C or { to ventilate the driver Vehicle Start 17 and Heated and Ventilated Front Seats 0 51. or passenger seat. See Heated and If the sensor is covered, the automatic 0 climate control system may not work Ventilated Front Seats 51. properly. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

CLIMATE CONTROLS 163 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) 8. A/C (Air Conditioning) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

164 CLIMATE CONTROLS 9. On/Off The climate control status display To improve fuel efficiency and to cool The fan, air delivery mode, air appears briefly when the climate the vehicle faster, recirculation may be conditioning, driver and passenger control buttons on the center stack automatically selected in warm temperatures, and Sync settings can are adjusted. weather. The recirculation light will not come on in AUTO mode. Press be controlled by touching CLIMATE Automatic Operation @ on the infotainment Home Page or the to select recirculation; press it climate button in the climate control The system automatically controls the again to select outside air. display application tray. A selection fan speed, air delivery, air English units can be changed to can then be made on the front climate conditioning, and recirculation in metric units through the instrument control page displayed. See the order to heat or cool the vehicle to the cluster. See “Cluster Options Menu” or infotainment manual. desired temperature. “Cluster Menu” under Instrument When the indicator light is on or Cluster (Base Level) 0 110 or Climate Control Status Display AUTO is displayed on the climate Instrument Cluster (Uplevel) 0 113. control display, the system is in full OFF : Press to turn the fan on or off. automatic operation. If the air delivery mode or fan setting is manually Q / R : The temperature can be adjusted, the Auto indicator turns off adjusted separately for the driver and and the display will show the selected the passenger. Press to increase or settings. Auto operation can be turned decrease the temperature. Press and off individually for climate settings. hold to rapidly increase or decrease the temperature. For automatic operation: The driver and passenger 1. Press AUTO. temperatures can also be adjusted by 2. Set the temperature. Allow the touching the controls on the climate system time to stabilize. Then control display. adjust the temperature as needed. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

CLIMATE CONTROLS 165 Sync : Touch Sync on the climate buttons cancels automatic air delivery A/C : Touch A/C on the climate control display to link all climate zone control and the direction of the control display to turn the air settings to the driver settings. When airflow can be controlled manually. conditioning on or off. If the fan is all climate zone settings are linked, Press AUTO to return to automatic turned off or the outside temperature the Sync indicator will be lit. Adjust operation. falls below freezing, the air the driver side temperature control to To change the current mode, select conditioner will not run. change the linked temperature. When one of the following: Press AUTO to return to automatic the front or rear passenger settings Y : Air is directed to the instrument operation and the air conditioner runs are adjusted, the Sync indicator will as needed. turn off. panel outlets. \ : Air is divided between the Automatic Air Recirculation : When Manual Operation the AUTO indicator light is on, the air Q R instrument panel outlets and the floor 9 : Press or touch the fan outlets. is automatically recirculated as buttons on the center stack or climate needed to help quickly cool the inside control display to increase or decrease [ : Air is directed primarily to the of the vehicle. floor outlets. Some air Is directed to the fan speed. Press and hold the The climate control system may have buttons to adjust speed more quickly. the windshield and outboard vent outlets. a sensor to detect air pollution. When The fan speed setting displays. using automatic air recirculation, the Pressing either button cancels c : Clears the windows of fog or air quality control system may automatic fan control and the fan can moisture. Air is directed to the operate. To adjust the sensitivity of be controlled manually. Press AUTO to windshield, windshield defroster, side the air quality sensor, see “Climate return to automatic operation. window defrosters, outboard vent and Air Quality” under Vehicle Driver and Passenger Air Delivery outlets, and floor outlets. Personalization 0 140. Mode Controls : When the climate 0 : Clears the windshield of fog or @ : Press to alternate between information is displayed, touch the frost more quickly. Air is directed to recirculating air inside the vehicle or desired air delivery mode on the the windshield. Press 0 to turn on or pulling in outside air. The indicator climate control display to change the off. Changing the air delivery mode light on the button is lit when direction of the airflow. The selected recirculation mode is active. This air delivery mode button is lit. also turns the defrost off. Touching any of the air delivery Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

166 CLIMATE CONTROLS helps to quickly cool the air inside the system is on and the ionizer is vehicle or reduce the outside air and enabled, the ionizer status indicator Caution odors that might enter. will be lit on the climate control Do not try to clear frost or other Pressing this button cancels automatic display. To turn the ionizer on or off, “ ” material from the inside of the recirculation. Press AUTO to return to see Climate and Air Quality under Vehicle Personalization 0 140. front windshield and rear window automatic operation; recirculation with a razor blade or anything else runs automatically as needed. Rear Window Defogger that is sharp. This may damage the Manual recirculation mode is not K : Press to turn the rear window rear window defogger grid and available when in Defrost, Heater, defogger on or off. affect the radio's ability to pick up or Defog modes. stations clearly. The repairs would The rear window defogger can be set not be covered by the vehicle Auto Defog : The climate control to automatic operation. See “Climate warranty. system has a sensor to automatically and Air Quality” under Vehicle detect high humidity inside the Personalization 0 140. When Auto Rear vehicle. When high humidity is Defog is selected, the rear window Driver and Passenger Heated and detected, the climate control system defogger turns on automatically when Ventilated Seats (If Equipped) : may adjust to outside air supply and the interior temperature is cold and Press I or + to heat the driver or turn on the air conditioner. If the the outside temperature is about 4 °C passenger seatback only. climate control system does not (40 °F) and below. detect possible window fogging, it Press J or z to heat the driver or returns to normal operation. To turn The upper grid lines on the rear Auto Defog off or on, see “Climate and window are antenna lines and are not passenger seat cushion and seatback. Air Quality” under Vehicle intended to heat when the defogger is Press C or { to ventilate the driver Personalization 0 140. activated. or passenger seat. See Heated and Ionizer : If equipped with an ionizer, The heated outside mirrors turn on Ventilated Front Seats 0 51. this feature helps to clean the air when the rear window defogger inside the vehicle and remove button is on and help to clear fog or contaminants such as pollen, odors, frost from the surface of the mirrors. and dust. If the climate control Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

CLIMATE CONTROLS 167 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 17 and Heated and Ventilated Front Seats 0 51. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

168 CLIMATE CONTROLS 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-13566829) - 2020 - CRC - 6/11/19

CLIMATE CONTROLS 169 Rear : Touch Rear on the Home Page appears on the display. If the air Air Vents of the infotainment display to open delivery mode is manually adjusted, the rear climate control display. The this cancels full automatic operation. rear climate control settings can now Manual Operation be adjusted from the front passenger area. 9 : Press or press and hold the rear O : Press O or touch On/Off on the fan button up or down to increase or decrease the rear climate airflow. The rear climate control display to turn rear climate airflow can also be the rear climate control on or off. adjusted by touching the fan controls Sync : Touch Sync on the rear climate on the front climate control display. control display to match the rear Temperature Controls : Press or climate control temperature to the press and hold the rear temperature front climate control driver control buttons up or down to adjust temperature. The Sync button will the rear passenger temperatures. The be lit. rear passenger temperatures can also Adjustable air vents are in the center and on the sides of the instrument be adjusted by touching Q for warmer Rear Control Lockout : Touch to lock panel, on the rear of the center or unlock control of the rear climate air or R for cooler air on the front console storage, and in the headliner control system from the rear seat over the rear seats, if equipped. passengers. When locked, the rear climate control display. climate control can only be adjusted Air Delivery Mode Control : Press or Move the slider knobs to change the from the front seat. press and hold the button up or down direction of or to close off the airflow. Automatic Operation to select the desired air delivery mode. Operation Tips Touch the desired air delivery mode AUTO : Press to turn on or off. The on the rear climate control display to . Clear away any ice, snow, or leaves air delivery is controlled change the direction of the airflow in from air inlets at the base of the automatically. The Auto indicator the rear seating area. windshield that could block the flow of air into the vehicle. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

170 CLIMATE CONTROLS . Clear snow off the hood to Maintenance During service, all refrigerants should improve visibility and help be reclaimed with proper equipment. decrease moisture drawn into the Venting refrigerants directly to the vehicle. Passenger Compartment atmosphere is harmful to the . Keep the path under the front Air Filter environment and may also create unsafe conditions based on inhalation, seats clear of objects to help The filter reduces dust, pollen, and combustion, frostbite, or other circulate the air inside of the other airborne irritants from outside health-based concerns. vehicle more effectively. air that is pulled into the vehicle. The . Use of non-GM approved hood filter should be replaced as part of The air conditioning system requires routine scheduled maintenance. See periodic maintenance. See deflectors can adversely affect the 0 0 performance of the system. Check Maintenance Schedule 359. Maintenance Schedule 359. with your dealer before adding See your dealer regarding replacement equipment to the outside of the of the filter. vehicle. . Do not attach any devices to the Service air vent slats. This restricts airflow All vehicles have a label underhood and may cause damage to the air that identifies the refrigerant used in vents. the vehicle. The refrigerant system should only be serviced by trained and certified technicians. The air conditioning evaporator should never be repaired or replaced by one from a salvage vehicle. It should only be replaced by a new evaporator to ensure proper and safe operation. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 171 Driving and Retained Accessory Ride Control Systems Power (RAP) ...... 188 Traction Control/Electronic Operating Shifting Into Park ...... 188 Stability Control ...... 203 Shifting out of Park ...... 189 Driver Mode Control ...... 204 Parking over Things Locking Rear Axle ...... 208 That Burn ...... 191 Driving Information Cruise Control Driving for Better Fuel Active Fuel Management ...... 191 Extended Parking ...... 191 Cruise Control ...... 209 Economy ...... 172 Adaptive Cruise Control ...... 211 Distracted Driving ...... 172 Engine Exhaust Super Cruise ...... 220 Defensive Driving ...... 173 Engine Exhaust ...... 192 Drunk Driving ...... 173 Running the Vehicle While Driver Assistance Systems Control of a Vehicle ...... 173 Parked ...... 192 Driver Assistance Systems ...... 234 Braking ...... 174 Assistance Systems for Parking Steering ...... 174 Automatic Transmission or Backing ...... 235 Off-Road Recovery ...... 175 Automatic Transmission ...... 193 Rear Pedestrian Alert ...... 242 Loss of Control ...... 175 Manual Mode ...... 197 Assistance Systems for Track Events and Competitive Drive Systems Driving ...... 243 Driving ...... 176 Forward Collision Alert (FCA) Driving on Wet Roads ...... 176 All-Wheel Drive ...... 199 System ...... 244 Hill and Mountain Roads ...... 177 Brakes Automatic Emergency Winter Driving ...... 178 Electric Brake Boost ...... 199 Braking (AEB) ...... 246 If the Vehicle Is Stuck ...... 179 Antilock Brake System (ABS) . . . . 199 Front Pedestrian Braking (FPB) Vehicle Load Limits ...... 179 Electric Parking Brake ...... 200 System ...... 247 Starting and Operating Brake Assist ...... 201 Night Vision System ...... 250 Hill Start Assist (HSA) ...... 201 Side Blind Zone Alert (SBZA) . . . . 252 New Vehicle Break-In ...... 183 Lane Change Alert (LCA) ...... 252 Ignition Positions ...... 183 Automatic Vehicle Hold (AVH) ...... 202 Lane Keep Assist (LKA) ...... 254 Starting the Engine ...... 185 Surround Vision Recorder ...... 256 Stop/Start System ...... 186 Engine Heater ...... 187 Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

172 DRIVING AND OPERATING Fuel Driving Information . Combine several trips into a Top Tier Fuel ...... 258 single trip. Recommended Fuel (3.6L Driving for Better Fuel . Replace the vehicle's tires with the V6 Engine) ...... 258 same TPC Spec number molded Recommended Fuel (4.2L Twin Economy into the tire's sidewall near Turbo V8 Engine) ...... 259 Driving habits can affect fuel mileage. the size. Prohibited Fuels ...... 259 Here are some driving tips to get the . Follow recommended scheduled Fuels in Foreign Countries ...... 259 best fuel economy possible: Fuel Additives ...... 259 maintenance. Filling the Tank ...... 260 . Set the climate controls to the Filling a Portable Fuel desired temperature after the Distracted Driving Container ...... 261 engine is started, or turn them off when not required. Distraction comes in many forms and Trailer Towing can take your focus from the task of General Towing Information . . . . 262 . Avoid fast starts and accelerate driving. Exercise good judgment and Driving Characteristics and smoothly. do not let other activities divert your Towing Tips ...... 262 . Brake gradually and avoid abrupt attention away from the road. Many Trailer Towing ...... 266 stops. local governments have enacted laws Towing Equipment ...... 267 regarding driver distraction. Become . Avoid idling the engine for long familiar with the local laws in Conversions and Add-Ons periods of time. your area. Add-On Electrical Equipment . . . 269 . When road and weather To avoid distracted driving, keep your conditions are appropriate, use eyes on the road, keep your hands on cruise control. the steering wheel, and focus your . Always follow posted speed limits attention on driving. or drive more slowly when . Do not use a phone in demanding conditions require. driving situations. Use a . Keep vehicle tires properly hands-free method to place or inflated. receive necessary phone calls. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 173 . Watch the road. Do not read, take Drunk Driving notes, or look up information on { Warning phones or other electronic devices. Death and injury associated with Taking your eyes off the road too drinking and driving is a global . Designate a front seat passenger long or too often could cause a tragedy. to handle potential distractions. crash resulting in injury or death. . Become familiar with vehicle Focus your attention on driving. { Warning features before driving, such as programming favorite radio Refer to the infotainment manual for Drinking and then driving is very stations and adjusting climate more information on using that dangerous. Your reflexes, control and seat settings. Program system and the navigation system, perceptions, attentiveness, and all trip information into any if equipped, including pairing and judgment can be affected by even a navigation device prior to driving. using a cell phone. small amount of alcohol. You can . Wait until the vehicle is parked to have a serious — or even fatal — retrieve items that have fallen to Defensive Driving collision if you drive after drinking. the floor. Defensive driving means “always Do not drink and drive or ride with . Stop or park the vehicle to tend to expect the unexpected.” The first step a driver who has been drinking. children. in driving defensively is to wear the Ride home in a cab; or if you are 0 . Keep pets in an appropriate carrier seat belt. See Seat Belts 57. with a group, designate a driver who will not drink. or restraint. . Assume that other road users . Avoid stressful conversations (pedestrians, bicyclists, and other while driving, whether with a drivers) are going to be careless Control of a Vehicle passenger or on a cell phone. and make mistakes. Anticipate what they may do and be ready. Braking, steering, and accelerating are important factors in helping to control . Allow enough following distance a vehicle while driving. between you and the driver in front of you. . Focus on the task of driving. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

174 DRIVING AND OPERATING Braking Steering Variable Effort Steering Braking action involves perception The vehicle has a steering system that time and reaction time. Deciding to Caution varies the amount of effort required to push the brake pedal is perception steer the vehicle in relation to the time. Actually doing it is To avoid damage to the steering speed of the vehicle. system, do not drive over curbs, reaction time. The amount of steering effort required parking barriers, or similar objects Average driver reaction time is about is less at slower speeds to make the at speeds greater than 3 km/h vehicle more maneuverable and easier three-quarters of a second. In that (1 mph). Use care when driving over time, a vehicle moving at 100 km/h to park. At faster speeds, the steering other objects such as lane dividers (60 mph) travels 20 m (66 ft), which effort increases to provide a sport-like and speed bumps. Damage caused could be a lot of distance in an feel to the steering. This provides emergency. by misuse of the vehicle is not maximum control and stability. covered by the vehicle warranty. Helpful braking tips to keep in mind Electric Power Steering include: The vehicle has electric power . Keep enough distance between steering. It does not have power you and the vehicle in front steering fluid. Regular maintenance is of you. not required. . Avoid needless heavy braking. If power steering assist is lost due to a . Keep pace with traffic. system malfunction, the vehicle can be steered, but may require increased If the engine ever stops or a brake effort. fault occurs, the brakes may lose power assist. More effort will be If the steering wheel is turned until it required to stop the vehicle. It may reaches the end of its travel and is take longer to stop. held against that position for an extended period of time, power steering assist may be reduced. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 175 If the steering assist is used for an . Antilock Brake System (ABS) 2. Turn the steering wheel about extended period of time while the allows steering while braking. one-eighth of a turn, until the vehicle is not moving, power assist right front tire contacts the may be reduced. Off-Road Recovery pavement edge. Normal use of the power steering 3. Turn the steering wheel to go assist should return when the system straight down the roadway. cools down. See your dealer if there is a problem. Loss of Control Curve Tips Skidding . Take curves at a reasonable speed. There are three types of skids that correspond to the vehicle's three . Reduce speed before entering a control systems: curve. . Braking Skid — wheels are not . Maintain a reasonable steady rolling. speed through the curve. . Steering or Cornering Skid — too . Wait until the vehicle is out of the The vehicle's right wheels can drop off much speed or steering in a curve curve before accelerating gently causes tires to slip and lose into the straightaway. the edge of a road onto the shoulder while driving. Follow these tips: cornering force. Steering in Emergencies 1. Ease off the accelerator and then, . Acceleration Skid — too much . There are some situations when if there is nothing in the way, throttle causes the driving wheels steering around a problem may be steer the vehicle so that it to spin. more effective than braking. straddles the edge of the Defensive drivers avoid most skids by pavement. . Holding both sides of the steering taking reasonable care suited to wheel allows you to turn existing conditions, and by not 180 degrees without removing overdriving those conditions. But a hand. skids are always possible. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

176 DRIVING AND OPERATING If the vehicle starts to slide, follow Track Events and these types of driving conditions and these suggestions: Competitive Driving avoid driving through large puddles . Ease your foot off the accelerator and deep-standing or flowing water. pedal and steer the way you want { Danger the vehicle to go. The vehicle may { Warning straighten out. Be ready for a High-performance features are second skid if it occurs. Wet brakes can cause crashes. They intended for use only on closed might not work as well in a quick . Slow down and adjust your driving tracks by experienced and qualified stop and could cause pulling to one according to weather conditions. drivers and should not be used on side. You could lose control of the Stopping distance can be longer public roads. High-speed driving, vehicle. and vehicle control can be affected aggressive cornering, hard braking, when traction is reduced by water, and other high-performance driving After driving through a large puddle snow, ice, gravel, or other material can be dangerous. Improper driver of water or a car/vehicle wash, on the road. Learn to recognize inputs for the conditions may result lightly apply the brake pedal until warning clues — such as enough in loss of control of the vehicle, the brakes work normally. water, ice, or packed snow on the which could injure or kill you or Flowing or rushing water creates road to make a mirrored surface others. Always drive safely. — and slow down when you have strong forces. Driving through any doubt. flowing water could cause the Track events and competitive driving vehicle to be carried away. If this . Try to avoid sudden steering, may affect the vehicle warranty. See happens, you and other vehicle acceleration, or braking, including the warranty manual before using the occupants could drown. Do not reducing vehicle speed by shifting vehicle for competitive driving. ignore police warnings and be very to a lower gear. Any sudden cautious about trying to drive changes could cause the tires to through flowing water. slide. Driving on Wet Roads Remember: Antilock brakes help avoid Rain and wet roads can reduce vehicle only the braking skid. traction and affect your ability to stop and accelerate. Always drive slower in Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 177 Hydroplaning Hill and Mountain Roads { Warning Hydroplaning is dangerous. Water can Driving on steep hills or through build up under the vehicle's tires so mountains is different than driving on Coasting downhill in N (Neutral) or they actually ride on the water. This flat or rolling terrain. Tips include: with the ignition off is dangerous. can happen if the road is wet enough This can cause overheating of the and you are going fast enough. When . Keep the vehicle serviced and in good shape. brakes and loss of steering assist. the vehicle is hydroplaning, it has Always have the engine running little or no contact with the road. . Check all fluid levels and brakes, and the vehicle in gear. There is no hard and fast rule about tires, cooling system, and transmission. hydroplaning. The best advice is to . Drive at speeds that keep the slow down when the road is wet. . Shift to a lower gear when going vehicle in its own lane. Do not down steep or long hills. Other Rainy Weather Tips swing wide or cross the center line. Besides slowing down, other wet { Warning weather driving tips include: . Be alert on top of hills; something could be in your lane (e.g., stalled . Allow extra following distance. Using the brakes to slow the vehicle on a long downhill slope can cause car, crash). . Pass with caution. brake overheating, can reduce brake . Pay attention to special road signs . Keep windshield wiping equipment performance, and could result in a (e.g., falling rocks area, winding in good shape. loss of braking. Shift the roads, long grades, passing or no-passing zones) and take . Keep the windshield washer fluid transmission to a lower gear to let appropriate action. reservoir filled. the engine assist the brakes on a steep downhill slope. . Have good tires with proper tread depth. See Tires 0 315. . Turn off cruise control. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

178 DRIVING AND OPERATING Winter Driving . Allow greater following distance and watch for slippery spots. Icy { Warning Driving on Snow or Ice patches can occur on otherwise Snow can trap engine exhaust Snow or ice between the tires and the clear roads in shaded areas. The surface of a curve or an overpass under the vehicle. This may cause road creates less traction or grip, so exhaust gases to get inside. Engine drive carefully. Wet ice can occur at can remain icy when the surrounding roads are clear. Avoid exhaust contains carbon monoxide about 0 °C (32 °F) when freezing rain (CO), which cannot be seen or begins to fall. Avoid driving on wet ice sudden steering maneuvers and smelled. It can cause or in freezing rain until roads can be braking while on ice. unconsciousness and even death. treated. . Turn off cruise control. If the vehicle is stuck in snow: For slippery road driving: Blizzard Conditions . Clear snow from the base of . Accelerate gently. Accelerating too Stop the vehicle in a safe place and the vehicle, especially any quickly causes the wheels to spin signal for help. Stay with the vehicle blocking the exhaust pipe. and makes the surface under the unless there is help nearby. If possible, tires slick. use Roadside Service. See Roadside . Open a window about 5 cm 0 (2 in) on the vehicle side that . Turn on Traction Control. See Service 380. To get help and keep everyone in the vehicle safe: is away from the wind, to Traction Control/Electronic Stability bring in fresh air. Control 0 203. . Turn on the hazard warning . Fully open the air outlets on . flashers. Antilock Brake System (ABS) or under the instrument improves vehicle stability during . Tie a red cloth to an outside panel. hard stops, but the brakes should mirror. be applied sooner than when on . Adjust the climate control dry pavement. See Antilock Brake system to circulate the air System (ABS) 0 199. inside the vehicle and set the See Driver Mode Control 0 204. (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 179 If stuck too severely for the traction pedal when the transmission is in Warning (Continued) system to free the vehicle, turn the gear. Slowly spinning the wheels in traction system off and use the the forward and reverse directions fan speed to the highest rocking method. See Traction Control/ causes a rocking motion that could “ setting. See Climate Control Electronic Stability Control 0 203. free the vehicle. If that does not get ” Systems. the vehicle out after a few tries, it For more information about CO, see { Warning might need to be towed out. If the Engine Exhaust 0 192. vehicle does need to be towed out, see If the vehicle's tires spin at high Towing the Vehicle 0 346. To save fuel, run the engine for short speed, they can explode, and you or periods to warm the vehicle and then others could be injured. The vehicle Vehicle Load Limits shut the engine off and partially close can overheat, causing an engine It is very important to know how the window. Moving about to keep compartment fire or other damage. much weight the vehicle can carry. Spin the wheels as little as possible warm also helps. This weight is called the vehicle and avoid going above 56 km/h If it takes time for help to arrive, (35 mph). capacity weight and includes the when running the engine, push the weight of all occupants, cargo, and accelerator pedal slightly so the all nonfactory-installed options. engine runs faster than the idle speed. Rocking the Vehicle to Get it Out Two labels on the vehicle may This keeps the battery charged to Turn the steering wheel left and right show how much weight it may restart the vehicle and to signal for to clear the area around the front properly carry: the Tire and help with the headlamps. Do this as wheels. Turn off any traction system. little as possible, to save fuel. Loading Information label and the Shift back and forth between Certification label. R (Reverse) and a low forward gear, If the Vehicle Is Stuck spinning the wheels as little as Slowly and cautiously spin the wheels possible. To prevent transmission to free the vehicle when stuck in sand, wear, wait until the wheels stop mud, ice, or snow. spinning before shifting gears. Release the accelerator pedal while shifting, and press lightly on the accelerator Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

180 DRIVING AND OPERATING Tire and Loading Information and the recommended cold tire { Warning Label inflation pressures (4). For more Do not load the vehicle any information on tires and inflation see Tires 0 315 and heavier than the Gross Vehicle 0 Weight Rating (GVWR), Tire Pressure 322. or either the maximum front or There is also important loading rear Gross Axle Weight Rating information on the Certification (GAWR). This can cause label. It may show the Gross systems to break and change Vehicle Weight Rating (GVWR) the way the vehicle handles. and the Gross Axle Weight Rating This could cause loss of control (GAWR) for the front and rear and a crash. Overloading can axle. See “Certification Label” later also reduce stopping distance, in this section. damage the tires, and shorten Label Example “Steps for Determining Correct the life of the vehicle. A vehicle-specific Tire and Load Limit– Loading Information label is 1. Locate the statement "The attached to the vehicle's center pillar (B-pillar). The Tire and combined weight of Loading Information label shows occupants and cargo should the number of occupant seating never exceed XXX kg or ’ positions (1), and the maximum XXX lbs." on your vehicle s vehicle capacity weight (2) in placard. kilograms and pounds. 2. Determine the combined The Tire and Loading Information weight of the driver and label also shows the tire size of passengers that will be riding the original equipment tires (3) in your vehicle. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 181 3. Subtract the combined weight this reduces the available 3. Available Occupant and of the driver and passengers cargo and luggage load Cargo Weight = 317 kg from XXX kg or XXX lbs. capacity of your vehicle.” (700 lbs). 4. The resulting figure equals See Trailer Towing 0 266 for the available amount of cargo important information on towing and luggage load capacity. For a trailer, towing safety rules, and example, if the "XXX" amount trailering tips. equals 1400 lbs. and there will be five 150 lb passengers in your vehicle, the amount of available cargo and luggage load capacity is 650 lbs. (1400-750 (5 x 150) = 650 lbs.) Example 2 5. Determine the combined weight of luggage and cargo 1. Vehicle Capacity Weight being loaded on the vehicle. for Example 2 = 453 kg That weight may not safely (1,000 lbs). exceed the available cargo Example 1 2. Subtract Occupant Weight and luggage load capacity @ 68 kg (150 lbs) × 5 = calculated in Step 4. 1. Vehicle Capacity Weight for Example 1 = 453 kg 340 kg (750 lbs). 6. If your vehicle will be towing (1,000 lbs). 3. Available Cargo Weight = a trailer, load from your 2. Subtract Occupant Weight 113 kg (250 lbs). trailer will be transferred to @ 68 kg (150 lbs) × 2 = your vehicle. Consult this 136 kg (300 lbs). manual to determine how Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

182 DRIVING AND OPERATING weight of the driver, passengers, and cargo should never exceed the { Warning vehicle's capacity weight. Things inside the vehicle can Certification Label strike and injure people in a sudden stop or turn, or in a crash. . Put things in the cargo area of the vehicle. In the cargo area, put them as far forward as possible. Try to Example 3 spread the weight evenly. . Never stack heavier things, 1. Vehicle Capacity Weight like suitcases, inside the for Example 3 = 453 kg vehicle so that some of (1,000 lbs). them are above the tops of 2. Subtract Occupant Weight Label Example the seats. @ 91 kg (200 lbs) × 5 = A vehicle-specific Certification 453 kg (1,000 lbs). . Do not leave an unsecured label is attached to the vehicle's child restraint in the 3. Available Cargo Weight = center pillar (B-pillar). The label vehicle. 0 kg (0 lbs). may show the gross weight . Secure loose items in the Refer to the vehicle's Tire and capacity of the vehicle, called the vehicle. Loading Information label for Gross Vehicle Weight Rating specific information about the (GVWR). The GVWR includes the . Do not leave a seat folded vehicle's capacity weight and weight of the vehicle, all down unless needed. seating positions. The combined occupants, fuel, and cargo. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 183 Starting and Operating . Check engine oil with every Ignition Positions refueling and add if necessary. Oil and fuel consumption may be New Vehicle Break-In higher than normal during the Follow these recommended guidelines first 2 400 km (1,500 mi). during the first 2 400 km (1,500 mi) of . To break in new tires, drive at driving this vehicle. Parts have a moderate speeds and avoid hard break-in period and performance will cornering for the first be better in the long run. 300 km (200 mi). New tires do not For the first 2 400 km (1,500 mi): have maximum traction and may tend to slip. . Avoid full throttle starts and abrupt stops. . New brake linings also need a break–in period. Avoid making . Do not exceed 4000 engine rpm. hard stops during the first . Avoid driving at any one constant 300 km (200 mi). This is The vehicle has an electronic keyless speed, fast or slow. recommended every time brake ignition with pushbutton start. linings are replaced. . Avoid downshifting to brake or The Remote Keyless Entry (RKE) slow the vehicle when the engine transmitter must be in the vehicle for speed will exceed 4000 rpm. the system to operate. If the . Do not let the engine labor. Never pushbutton start is not working, the lug the engine in high gear at low vehicle may be near a strong radio speeds. antenna signal causing interference to the Keyless Access system. See Remote . Do not participate in track events, Keyless Entry (RKE) System Operation sport driving schools, or similar 0 10. activities during this break-in period. To shift out of P (Park), the ignition must be on and the brake pedal must be applied. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

184 DRIVING AND OPERATING Stopping the Engine/OFF (No 1. Brake using a firm and steady If the vehicle cannot be pulled over, Indicator Lights) : When the vehicle pressure. Do not pump the and must be shut off while driving, is stopped, press ENGINE START/ brakes repeatedly. This may press and hold ENGINE START/STOP STOP once to turn the engine off. deplete power assist, requiring for longer than two seconds, or press If the vehicle is in P (Park), the increased brake pedal force. twice in five seconds. ignition will turn off, and Retained 2. Shift the vehicle to N (Neutral). ACC/ACCESSORY (Amber Indicator Accessory Power (RAP) will remain This can be done while the Light) : This mode allows you to use active. See Retained Accessory Power vehicle is moving. After shifting some electrical accessories when the (RAP) 0 188. to N (Neutral), firmly apply the engine is off. If the vehicle is in R (Reverse), brakes and steer the vehicle to a With the ignition off, pressing the D (Drive), or M (Manual Mode), the safe location. button one time without the brake vehicle will shift to P (Park), the 3. Come to a complete stop and pedal applied will place the ignition ignition will turn off, and RAP will shift to P (Park). system in ACC/ACCESSORY. remain active. 4. Set the parking brake. See The ignition will switch from ACC/ If the vehicle is in N (Neutral), the Electric Parking Brake 0 200. ACCESSORY to off after five minutes ignition will return to ACC/ Press ENGINE START/STOP to to prevent battery rundown. ACCESSORY and display the message turn the vehicle off. ON/RUN/START (Green Indicator SHIFT TO PARK in the Driver Light) : This mode is for driving and Information Center (DIC). When the { Warning starting. With the ignition off, and the vehicle is shifted into P (Park), the brake pedal applied, pressing the ignition will turn off. Turning off the vehicle while button once will turn the ignition on. Do not turn the engine off when the moving may cause loss of power Once engine cranking begins, release vehicle is moving. This will cause a assist in the brake and steering the button. Engine cranking will loss of power assist in the brake and systems and disable the airbags. continue until the engine starts. See steering systems and disable the While driving, only shut the vehicle Starting the Engine 0 185. The ignition airbags. off in an emergency. will then remain on. If the vehicle must be shut off in an emergency: Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 185 Service Mode The idle speed will go down as Caution This power mode is available for the engine gets warm. Do not service and diagnostics, and to verify race the engine immediately Do not try to shift to P (Park) if the after starting it. the proper operation of the vehicle is moving. If you do, you malfunction indicator lamp as may be could damage the transmission. If the RKE transmitter is not in required for emission inspection Shift to P (Park) only when the the vehicle, if there is purposes. With the vehicle off, and the vehicle is stopped. interference, or if the RKE brake pedal not applied, pressing and battery is low, a Driver holding ENGINE START/STOP for Information Center (DIC) will more than five seconds will place the display a message. See Remote vehicle in Service Mode. The Caution Keyless Entry (RKE) System instruments and audio systems will Operation 0 10. operate as they do when the ignition If you add electrical parts or is on, but the vehicle will not be able accessories, you could change the Caution to be driven. The engine will not start way the engine operates. Any in Service Mode. Press ENGINE resulting damage would not be Cranking the engine for long START/STOP again to turn the covered by the vehicle warranty. See periods of time, by pressing ignition off. Add-On Electrical Equipment 0 269. ENGINE START/STOP immediately after cranking has ended, can Starting the Engine Starting Procedure overheat and damage the cranking Shift to P (Park) or N (Neutral). To motor, and drain the battery. Wait 1. With the Keyless Access system, restart the engine when the vehicle is at least 15 seconds between each the Remote Keyless Entry (RKE) already moving, use N (Neutral) only. try, to let the cranking motor transmitter must be in the cool down. vehicle. Press ENGINE START/ STOP with the brake pedal applied. When the engine begins 2. If the engine does not start after cranking, let go of the button. five to 10 seconds, especially in very cold weather (below −18 °C or 0 °F), it could be flooded with Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

186 DRIVING AND OPERATING too much gasoline. Try pushing Auto Stops may not occur and/or Auto the accelerator pedal all the way { Warning Starts may occur because: to the floor and holding it there . The climate control settings as you press ENGINE START/ The automatic engine Stop/Start feature causes the engine to shut require the engine to be running STOP. Wait at least 15 seconds to cool or heat the vehicle interior. between each try, to allow the off while the vehicle is still on. Do cranking motor to cool down. not exit the vehicle before shifting . The vehicle battery charge is low. to P (Park). The vehicle may restart When the engine starts, release . The vehicle battery has recently the accelerator. If the vehicle and move unexpectedly. Always been disconnected. starts briefly but then stops shift to P (Park), and then turn the again, do the same thing. This ignition off before exiting the . Minimum vehicle speed has not clears the extra gasoline from the vehicle. been reached since the last engine. Do not race the engine Auto Stop. immediately after starting it. Auto Engine Stop/Start . The accelerator pedal is pressed. Operate the engine and . transmission gently until the oil When the brakes are applied and the The engine or transmission is not warms up and lubricates all vehicle is at a complete stop, the at the required operating moving parts. engine may turn off. When stopped, temperature. the tachometer displays AUTO STOP. . The outside temperature is not in Stop/Start System See Tachometer 0 116. When the brake the required operating range. pedal is released or the accelerator . The vehicle transmission is shifted If equipped, the Stop/Start system will pedal is pressed, the engine will out of D (Drive) to any gear other shut off the engine to help conserve restart. fuel. It has components designed for than P (Park). To maintain vehicle performance, the increased number of starts. . Driver modes have been selected. other conditions may cause the engine to automatically restart before the . The vehicle is on a steep hill or brake pedal is released. grade. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 187 . The driver door has been opened Engine Heater 2. Open the hood and unwrap the or driver seat belt has been electrical cord. The cord is unbuckled. Vehicles with the engine heater can clipped to the diagonal brace on use this option in cold weather . The hood has been opened. the passenger side of the engine conditions at or below −18 °C (0 °F) for compartment. . The Auto Stop has reached the easier starting and better fuel maximum allowed time. economy during engine warm-up. Plug Check the heater cord for in the coolant heater at least four damage. If it is damaged, do not Auto Stop Disable Switch hours before starting your vehicle. An use it. See your dealer for a internal thermostat in the plug-end of replacement. Inspect the cord for the cord may exist which will prevent damage yearly. engine heater operation at 3. Plug it into a normal, grounded temperatures above −18 °C (0 °F). 110-volt AC outlet.

{ Warning { Warning

Do not plug in the engine block Improper use of the heater cord or heater while the vehicle is parked in an extension cord can damage the a garage or under a carport. cord and may result in overheating Property damage or personal injury and fire. may result. Always park the vehicle . Plug the cord into a in a clear open area away from three-prong electrical utility The automatic engine Stop/Start buildings or structures. receptacle that is protected by function can be disabled by a ground fault detection touching h on the center stack. Auto To Use the Engine Heater (Continued) Stop is enabled each time you start the vehicle. 1. Turn off the engine. When the light next to the h is illuminated, the system is enabled. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

188 DRIVING AND OPERATING Retained Accessory Warning (Continued) Warning (Continued) Power (RAP) function. An ungrounded vehicle. Possible heater cord When the ignition is turned from on outlet could cause an electric and thermostat damage could to off, the following features (if shock. occur. equipped) will continue to function . Use a weatherproof, . While in use, do not let the for up to 10 minutes, or until the heavy-duty, 15 amp-rated heater cord touch vehicle driver door is opened. These features extension cord if needed. parts or sharp edges. Never will also work when the ignition is in Failure to use the close the hood on the RUN or ACC/ACCESSORY: recommended extension cord heater cord. . Infotainment System in good operating condition, . Before starting the vehicle, . Power Windows (during RAP this or using a damaged heater or unplug the cord, reattach the functionality will be lost when any extension cord, could make it cover to the plug, and door is opened) overheat and cause a fire, securely fasten the cord. Keep property damage, electric the cord away from any . Sunroof (during RAP this shock, and injury. moving parts. functionality will be lost when any . Do not operate the vehicle door is opened) with the heater cord 4. Before starting the engine, be . Auxiliary Power Outlet permanently attached to the sure to unplug and store the cord . Audio System (Continued) as it was before to keep it away from moving engine parts. If you . OnStar System do not, it could be damaged. Shifting Into Park Contact your dealer for information on how long to use the heater in your To shift into P (Park): particular area. 1. Bring the vehicle to a stop, and hold the brake pedal down. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 189 2. Press the button on top of the The shift lock control is always shift lever to shift into P (Park). Warning (Continued) functional except in the case of an See Automatic Transmission uncharged or low voltage (less than 0 193. the parking brake and shift 9-volt) battery. to P (Park). See Shifting Into Park 3. The P indicator on the shift lever 0 188. If you are towing a trailer, If the vehicle has an uncharged will turn red when the vehicle is see Driving Characteristics and battery or a battery with low voltage, in P (Park). Towing Tips 0 262. try charging or jump starting the battery. See Jump Starting - North Leaving the Vehicle with the America 0 343. Engine Running If you have to leave the vehicle with the engine running, be sure the To shift out of P (Park): { Warning vehicle is in P (Park) and the parking 1. Ensure the engine is running. brake is set before you leave it. 2. Apply the brake pedal. It can be dangerous to leave the If you are towing a trailer and parking vehicle with the engine running. 3. Press the shift lock release on a hill, see Driving Characteristics button. It could overheat and catch fire. and Towing Tips 0 262. It is dangerous to get out of the 4. Move the shift lever to the vehicle if the vehicle is not in Shifting out of Park desired position. P (Park) with the parking brake set. This vehicle is equipped with an 5. The P indicator will turn white The vehicle can roll. electronically controlled transmission. and the gear indicator on the shift lever will turn red when the Do not leave the vehicle when the The shift lock release button is vehicle is no longer in P (Park). engine is running. If you have left designed to prevent inadvertent the engine running, the vehicle can shifting out of P (Park) unless the 6. After releasing the shift lever, it move suddenly. You or others could ignition is on, the brake pedal is will return to the center position. applied, and the shift lock release be injured. To be sure the vehicle If the vehicle cannot shift from button is pressed. will not move, even when you are P (Park), a Driver Information on fairly level ground, always set Center (DIC) message will be (Continued) displayed. See your dealer for service. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

190 DRIVING AND OPERATING Manual Park Release park release is pulled, the DIC will 5. Ensure more than one minute display a message to service the has elapsed since Step 2. Apply { Warning transmission. the brake pedal. To place the vehicle in N (Neutral) The transmission will be placed in using the manual park release: N (Neutral) when the manual park release is pulled. The vehicle can 1. Ensure the vehicle is on level roll and you or others could be ground and set the parking injured. Ensure the vehicle is on brake. level ground. 2. Turn the vehicle off.

Caution

The manual park release is not intended to be used for towing. Damage may result from using the 6. Pull the manual park release lever 90° to its latching position. manual park release in this way. The repairs would not be covered 7. With the brake pedal released, by the vehicle warranty. place the ignition in ACC/ ACCESSORY. Then apply the brake pedal and release the The manual park release can be used parking brake. to shift the vehicle into N (Neutral) 3. Use a flat-bladed tool to remove when the engine is not running. the interior trim panel on the To return the vehicle to P (Park) using the manual park release: If the manual park release is pulled center console to the right of the while the vehicle is on or if the accelerator pedal. 1. Bring the vehicle to a ignition is turned on while the manual 4. Pull the carpet back to expose complete stop. the manual park release lever. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 191 2. Rotate the manual park release Active Fuel Management Extended Parking 90° back to its original position. The vehicle engine may be equipped It is best not to park with the vehicle 3. Apply the parking brake. with Active Fuel Management, which running. If the vehicle is left running, 4. Confirm that the vehicle is in allows the engine to operate on either be sure it will not move and there is P (Park) by turning the ignition all of its cylinders, or in reduced adequate ventilation. on or by placing the vehicle in cylinder operation, depending on the See Shifting Into Park 0 188 and ACC/ACCESSORY, then ensure driving conditions. Engine Exhaust 0 192. that the indicator displays P. When less power is required, such as If the vehicle is left parked and 5. Install the interior trim panel. cruising at a constant vehicle speed, running with the RKE transmitter the system will operate in reduced outside the vehicle, it will continue to Parking over Things operation mode, allowing the vehicle run for up to half an hour. to achieve better fuel economy. When That Burn greater power demands are required, If the vehicle is left parked and such as accelerating from a stop, running with the RKE transmitter { Warning passing, or merging onto a freeway, inside the vehicle, it will continue to the system will maintain full-cylinder run for up to an hour. Things that can burn could touch operation. The vehicle could turn off sooner if it hot exhaust parts under the vehicle is parked on a hill, due to lack of and ignite. Do not park over papers, If the vehicle has an Active Fuel Management indicator, see Driver available fuel. leaves, dry grass, or other things Information Center (DIC) for more that can burn. The timer will reset if the vehicle is information on using this display. taken out of P (Park) while it is running. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

192 DRIVING AND OPERATING Running the Vehicle While Engine Exhaust Warning (Continued) Parked . There are holes or openings { Warning It is better not to park with the engine in the vehicle body from running. Engine exhaust contains carbon damage or aftermarket monoxide (CO), which cannot be modifications that are not If the vehicle is left with the engine seen or smelled. Exposure to CO completely sealed. running, follow the proper steps to be can cause unconsciousness and sure the vehicle will not move. See If unusual fumes are detected or if 0 even death. Shifting Into Park 188 and it is suspected that exhaust is Engine Exhaust 0 192. Exhaust may enter the vehicle if: coming into the vehicle: If parking on a hill and pulling a . The vehicle idles in areas with . Drive it only with the trailer, see Driving Characteristics and poor ventilation (parking windows completely down. Towing Tips 0 262. garages, tunnels, deep snow . Have the vehicle repaired that may block underbody immediately. airflow or tail pipes). Never park the vehicle with the . The exhaust smells or sounds engine running in an enclosed area strange or different. such as a garage or a building that . The exhaust system leaks due has no fresh air ventilation. to corrosion or damage. . The vehicle exhaust system has been modified, damaged, or improperly repaired. (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 193 Automatic Transmission The transmission does not operate when the vehicle is off. { Warning If the vehicle is in ACC/ACCESSORY, It is dangerous to get out of the the transmission can be shifted into vehicle if the transmission is not in P (Park). P (Park) with the parking brake set. If the vehicle is turned off while at a The vehicle can roll. relatively high vehicle speed, the Do not leave the vehicle when the transmission will automatically shift engine is running. If the engine has to N (Neutral). Once the vehicle is been left running, the vehicle can stopped, P (Park) is automatically move suddenly. You or others selected. could be injured. To be sure the vehicle will not move, even when on fairly level ground, always set the parking brake and place the The shift pattern is displayed in the transmission into P (Park). See top of the shift lever. The selected Shifting Into Park 0 188 and gear position will illuminate red on 0 the shift lever, while all others will be Electric Parking Brake 200. 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 vehicle to ensure the vehicle does not move. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

194 DRIVING AND OPERATING The vehicle will not shift into P (Park) To shift into R (Reverse): if it is moving too fast. Stop the 1. Bring the vehicle to a vehicle and shift into P (Park). complete stop. To shift in and out of P (Park), see 2. Press and hold shift lock release Shifting Into Park 0 188 and 0 button on the side of the shift Shifting out of Park 189. lever. Service Shift Lever Message 3. From the center position, move If the message SERVICE SHIFTER SEE the shift lever forward through OWNER’S MANUAL appears in the the first detent to the end of Driver Information Center (DIC), the travel. R is illuminated in red. shift lever needs service. Have the 4. After releasing the shift lever, it This vehicle is equipped with an vehicle serviced as soon as possible. will return to the center position. electronic controlled transmission. If the vehicle is automatically shifting To shift out of R (Reverse): The shift lock release button is into P (Park), check to see if the designed to prevent inadvertent P (Park) button on top of the shift 1. Bring the vehicle to a shifting out of P (Park) unless the lever is stuck. To operate the vehicle, complete stop. hold the shift lever in the desired gear, ignition is on, the brake pedal is 2. Shift to the desired gear. applied, and the shift lock release R (Reverse) or D (Drive), until vehicle button is pressed. speed exceeds 15 km/h (10 mph), then 3. After releasing the shift lever, it release the shift lever. will return to the center position. When the vehicle is stopped, press ENGINE START/STOP to turn off the R: Use this gear to back up. At low vehicle speeds, R (Reverse) can vehicle. The transmission will shift to If the vehicle is shifted from either be used to rock the vehicle back and P (Park) automatically, unless the R (Reverse) to D (Drive), or D (Drive) forth to get out of snow, ice, or sand vehicle is in N (Neutral). See “Car without damaging the transmission. or M (Manual Mode) to R (Reverse) 0 Wash Mode” later in this section. while the speed is too high, the See If the Vehicle Is Stuck 179. vehicle will shift to N (Neutral). Reduce the vehicle speed and try the shift again. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 195 N: In this position, the engine does The vehicle is not designed to stay in Car Wash Mode not connect with the wheels. To N (Neutral) for more than This vehicle includes a Car Wash restart the engine when the vehicle is five minutes. It may automatically Mode that allows the vehicle to already moving, use N (Neutral) only. shift into P (Park). N (Neutral) is not remain in N (Neutral) for use in intended for towing. If the vehicle automatic car washes. { Warning needs to be towed, see Towing the Vehicle 0 346. Car Wash Mode (Engine Off – Driver Shifting into a drive gear while the To shift into N (Neutral): in Vehicle) engine is running at high speed is To place the vehicle in N (Neutral) dangerous. Unless your foot is 1. Move the shift lever forward to the first detent from the center with the engine off and the vehicle firmly on the brake pedal, the occupied: vehicle could move very rapidly. position. You could lose control and hit If the vehicle is in P (Park), apply 1. Drive to the entrance of the car wash. people or objects. Do not shift into the brake pedal and press the a drive gear while the engine is shift lock release button while 2. Apply the brake pedal. moving the shift lever forward. N running at high speed. 3. Shift to N (Neutral). will illuminate in red. 4. Turn off the engine and release 2. After releasing the shift lever, it the brake pedal. will return to the center position. Caution 5. The indicator should continue to To shift out of N (Neutral): show N. If it does not, repeat Shifting out of P (Park) or 1. Bring the vehicle to a Steps 2–4. N (Neutral) with the engine running complete stop. at high speed may damage the 6. The vehicle is now ready for the transmission. The repairs would not 2. Shift to the desired gear. car wash. be covered by the vehicle warranty. If shifting from N (Neutral) to 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-13566829) - 2020 - CRC - 6/14/19

196 DRIVING AND OPERATING Car Wash Mode (Engine Off – Driver Car Wash Mode (Engine On – Driver 5. The indicator should continue to out of Vehicle) in Vehicle) show N. If it does not, repeat – Car Wash Mode (Engine Off – Driver To place the vehicle in N (Neutral) Steps 2 4. out of Vehicle) is not available for with the engine on and the vehicle 6. Exit the vehicle and close the vehicles with the 4.2L engine. occupied: door. The vehicle is now ready To place the vehicle in N (Neutral) 1. Drive to the entrance of the for the car wash. with the engine off and the vehicle car wash. 7. The vehicle may automatically unoccupied: 2. Apply the brake pedal. shift to P (Park) upon re-entry. 1. Drive to the entrance of the 3. Shift to N (Neutral). car wash. Caution 4. Release the brake pedal. The 2. Apply the brake pedal. vehicle is now ready for the A transmission hot message may 3. Open the door. car wash. display if the automatic transmission fluid is too hot. 4. Shift to N (Neutral). Car Wash Mode (Engine On – Driver Driving under this condition can out of Vehicle) 5. Turn off the engine and release damage the vehicle. Stop and idle the brake pedal. To place the vehicle in N (Neutral) the engine to cool the automatic 6. The indicator should continue to with the engine on and the vehicle transmission fluid. This message show N. If it does not, repeat unoccupied: clears when the transmission fluid Steps 2–5. 1. Drive to the entrance of the has cooled sufficiently. 7. Exit the vehicle and close the car wash. door. The vehicle is now ready 2. Apply the brake pedal. D: This position is for normal driving. for the car wash. If more power is needed for passing, 3. Open the door. 8. The vehicle may automatically press the accelerator pedal down. 4. Shift to N (Neutral), then release shift to P (Park) upon re-entry. A clicking noise or a detent may be the brake pedal. felt when pressing the accelerator pedal all the way to the end of travel. This is normal. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 197 To shift into D (Drive): M: This mode can be entered from Manual Mode D (Drive) by pulling back on the shift 1. Bring the vehicle to a Tap Shift complete stop. lever. The M in the shift pattern will illuminate red, and the D will switch 2. From the center position, move to white. After releasing the shift Caution the shift lever back. lever, it will return to the center . If the vehicle is in P (Park) position. M (Manual Mode) allows Driving with the engine at a high press the shift lock release gears appropriate for current driving rpm without upshifting while using button while pulling the shift conditions to be selected. Tap Shift, could damage the vehicle. lever back. To exit M (Manual Mode) and return Always upshift when necessary . D will illuminate in red. to D (Drive), pull back on the shift while using Tap Shift. lever. The D in the shift pattern will . After releasing the shift lever, illuminate in red, and the M will it will return to the center switch to white. See Manual Mode position. 0 197. To shift out of D (Drive): 1. Bring the vehicle to a Caution complete stop. Spinning the tires or holding the 2. Shift to the desired gear. vehicle in one place on a hill using 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 Downshifting the transmission in vehicle warranty. If the vehicle is slippery road conditions could result in skidding. See “Skidding” under Loss stuck, do not spin the tires. When of Control 0 175. stopping on a hill, use the brakes to Vehicles with Tap Shift have controls hold the vehicle in place. on the back of the steering wheel to manually shift the automatic transmission. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

198 DRIVING AND OPERATING Permanent Tap Shift Mode M (Manual Mode) can be exited to While using Tap Shift, the vehicle will To enter Permanent Tap Shift Mode: return to D (Drive) at any speed by have firmer, quicker shifting. This can pulling the lever rearward from the be used for sport driving or when 1. With the vehicle in D (Drive), center position. It is not necessary to climbing or descending hills, to stay in pull back on the shift lever to stop the vehicle or shift to N (Neutral) gear longer, or to downshift for more activate M (Manual Mode). The or P (Park) before shifting back to power or engine braking. M in the shift pattern will D (Drive). illuminate in red, and the D will The transmission will only allow switch to white. Temporary Tap Manual Shift Mode shifting into gears appropriate for the vehicle speed and engine revolutions 2. After releasing the shift lever, it To enter Temporary Tap Shift Mode: per minute (rpm). If shifting is will return to the center position. 1. With the transmission in prevented for any reason, a SHIFT 3. Press the controls on the back of D (Drive) and not in Permanent DENIED message will be displayed in the steering wheel to shift. Use Tap Shift Mode, the Tap Shift the instrument cluster. The the left steering wheel control to controls will activate a transmission will not automatically downshift, and the right control temporary tap manual shift shift to the next higher gear if the to upshift. To shift to the lowest mode, allowing the transmission engine rpm is too high. It will only available gear, press and hold the to be manually shifted. automatically shift to the next lower left control. 2. To shift to the lowest available gear if the engine rpm is much too low. 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. 2. After releasing the shift lever, it will return to the center position. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 199 Drive Systems Brakes may be heard while this test is going on, and the brake pedal may move All-Wheel Drive Electric Brake Boost slightly. This is normal. Vehicles with this feature always send Vehicles equipped with electric brake engine power to all four wheels. It is boost have hydraulic brake circuits fully automatic, and adjusts itself as that are electronically controlled when needed for road conditions. the brake pedal is applied during normal operation. The system performs routine tests and turns off within a few minutes after the vehicle If there is a problem with ABS, this is shutdown. Noise may be heard warning light stays on. See Antilock during this time. If the brake pedal is Brake System (ABS) Warning Light pressed during the tests or when the 0 126. electric brake boost system is off, a noticeable change in pedal force and ABS does not change the time needed travel may be felt. This is normal. to get a foot on the brake pedal and does not always decrease stopping Antilock Brake distance. If you get too close to the vehicle ahead, there will not be System (ABS) enough time to apply the brakes if The Antilock Brake System (ABS) that vehicle suddenly slows or stops. helps prevent a braking skid and Always leave enough room ahead to maintain steering while braking hard. stop, even with ABS. ABS performs a system check when the vehicle is first driven. A momentary motor or clicking noise Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

200 DRIVING AND OPERATING Using ABS Electric Parking Brake Before leaving the vehicle, check for Y Do not pump the brakes. Just hold the the or PARK light to ensure that brake pedal down firmly and let ABS the parking brake is applied. work. You may hear the ABS pump or EPB Apply motor operating and feel the brake pedal pulsate. This is normal. To apply the EPB: When ABS is active, it may be an 1. Be sure the vehicle is at a indication that road surfaces are complete stop. slippery. Braking sooner may be 2. Press the EPB switch required for driving conditions. momentarily. If equipped with electric brake boost, The Y or PARK light will flash and the TCS/StabiliTrak/ESC light will flash when ABS is active. then stay on once the EPB is fully applied. If the Y or PARK light Braking in Emergencies The vehicle has an Electric Parking flashes continuously, then the EPB is Brake (EPB). The EPB can always be only partially applied or there is a ABS allows steering and braking at the activated, even if the ignition is off. To same time. In many emergencies, problem with the EPB. A DIC message prevent draining the battery, avoid will display. Release the EPB and try steering can help even more than repeated cycles of the EPB system braking. to apply it again. If the light does not when the engine is not running. come on, or keeps flashing, have the The system has a Y or PARK vehicle serviced. Do not drive the Y Electric Parking Brake light, and a 8 vehicle if the or PARK light is flashing. See your dealer. See Electric Service Parking Brake light. See 0 Electric Parking Brake Light 0 125 and Parking Brake Light 125. Service Electric Parking Brake Light 0 126. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 201 If the 8 light is on, press the EPB The EPB is released when the Y or Brake Assist switch and hold it. Continue to hold PARK light is off. Y Brake Assist detects rapid brake pedal the switch until the or PARK light If the 8 light is on, release the EPB by applications due to emergency braking remains on. If the 8 light remains on, pressing and holding the EPB switch. situations and provides additional see your dealer. Continue to hold the switch until braking to activate the Antilock Brake System (ABS) if the brake pedal is not the Y or PARK light is off. If either If the EPB is applied while the vehicle pushed hard enough to activate ABS is moving, the vehicle will decelerate light stays on after release is normally. Minor noise, brake pedal as long as the switch is pressed. If the attempted, see your dealer. pulsation, and/or pedal movement switch is pressed until the vehicle during this time may occur. Continue comes to a stop, the EPB will remain Caution to apply the brake pedal as the driving applied. situation dictates. Brake Assist The vehicle may automatically apply Driving with the parking brake on disengages when the brake pedal is the EPB in some situations when the can overheat the brake system and released. vehicle is not moving. This is normal, cause premature wear or damage to and is done to periodically check the brake system parts. Make sure that Hill Start Assist (HSA) correct operation of the EPB system. the parking brake is fully released and the brake warning light is off If the EPB fails to apply, block the rear { Warning before driving. wheels to prevent vehicle movement. Do not rely on the HSA feature. EPB Release Automatic EPB Release HSA does not replace the need to To release the EPB: pay attention and drive safely. You The EPB will automatically release if may not hear or feel alerts or 1. Turn the ignition on or to ACC/ the vehicle is running, placed into warnings provided by this system. ACCESSORY. gear, and an attempt is made to drive Failure to use proper care when 2. Apply and hold the brake pedal. away. Avoid rapid acceleration when the EPB is applied, to preserve parking driving may result in injury, death, 3. Press the EPB switch brake lining life. or vehicle damage. See Defensive momentarily. Driving 0 173. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

202 DRIVING AND OPERATING When the vehicle is stopped on a Automatic Vehicle When Automatic Vehicle Hold (AVH), grade, Hill Start Assist (HSA) if equipped, is turned on and the temporarily prevents the vehicle from Hold (AVH) vehicle is braked to a stop, AVH rolling in an unintended direction prevents the vehicle from moving during the transition from brake pedal during the transition from brake pedal release to accelerator pedal apply. The release to accelerator pedal apply. The brakes release when the accelerator brakes release when the accelerator pedal is applied or automatically pedal is applied. The brakes may also release after a few seconds. The brakes release under other conditions. Do not may also release under other rely on AVH to hold the vehicle. conditions. Do not rely on HSA to If the accelerator pedal is not applied hold the vehicle. within a few minutes, the Electric HSA is available when the vehicle is Parking Brake will apply. The parking facing uphill in a forward gear, brake will also apply if the driver door or when facing downhill in is opened or the driver seat belt is R (Reverse). The vehicle must come to unfastened while AVH is holding the a complete stop on a grade for HSA to { Warning vehicle. activate. AVH can be turned on by pressing Do not rely on this feature. It does AUTO HOLD. The AVH indicator will not replace the need to pay come on. While AVH is holding the attention and drive safely. You may vehicle, the AVH indicator will change not hear or feel alerts or warnings to green. See Automatic Vehicle Hold provided by this system. Failure to (AVH) Light 0 127. use proper care when driving may result in injury, death, or vehicle damage. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 203 Ride Control Systems If cruise control is being used and The indicator light for both systems is traction control or StabiliTrak/ESC in the instrument cluster. This Traction Control/Electronic begins to limit wheel spin, cruise light will: control will disengage. Cruise control . Flash when TCS is limiting Stability Control may be turned back on when road wheel spin. conditions allow. System Operation . Flash when StabiliTrak/ESC is Both systems come on automatically activated. The vehicle has a Traction Control when the vehicle is started and begins System (TCS) and StabiliTrak/ to move. The systems may be heard or . Turn on and stay on when either Electronic Stability Control (ESC). felt while they are operating or while system is not working. These systems help limit wheel spin performing diagnostic checks. This is and assist the driver in maintaining If either system fails to turn on or to normal and does not mean there is a activate, a message displays in the control, especially on slippery road problem with the vehicle. conditions. Driver Information Center (DIC), and It is recommended to leave both d comes on and stays on to indicate TCS activates if it senses that any of systems on for normal driving that the system is inactive and is not the drive wheels are spinning or conditions, but it may be necessary to assisting the driver in maintaining beginning to lose traction. When this turn TCS off if the vehicle gets stuck control. The vehicle is safe to drive, happens, TCS applies the brakes to the in sand, mud, ice, or snow. See If the but driving should be adjusted spinning wheels and reduces engine Vehicle Is Stuck 0 179 and “Turning accordingly. power to limit wheel spin. the Systems Off and On” later in this If d comes on and stays on: StabiliTrak/ESC activates when the section. vehicle senses a difference between 1. Stop the vehicle. the intended path and the direction 2. Turn the engine off and wait the vehicle is actually traveling. 15 seconds. StabiliTrak/ESC selectively applies braking pressure to any one of the 3. Start the engine. vehicle wheel brakes to assist the 4. Drive the vehicle. driver in keeping the vehicle on the intended path. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

204 DRIVING AND OPERATING If d comes on and stays on, the To turn off only TCS, press and Driver Mode Control release Y. The Traction Off light i vehicle may need more time to Driver Mode Control attempts to add diagnose the problem. If the condition displays in the instrument cluster and a sportier feel, provide a more persists, see your dealer. the appropriate DIC message displays. comfortable ride, or assists in different Turning the Systems Off and On To turn TCS on again, press and weather conditions or terrain. This release Y. The Traction Off light i system simultaneously changes the displayed in the instrument cluster software settings of various will turn off. sub-systems to optimize driving performance. Depending on the option To turn off both TCS and StabiliTrak/ package, available features, and mode ESC, press and hold Y until the selection; the Exhaust, Suspension, Traction Off light i and StabiliTrak/ Steering, Brakes, and Powertrain will change settings to achieve the desired ESC OFF light come on and stay on g mode characteristics. If the vehicle is in the instrument cluster. The equipped with Magnetic Ride Control, appropriate DIC message displays. selecting the various Driver Modes To turn TCS and StabiliTrak/ESC on adjusts the ride of the vehicle to again, press and release Y. The enhance the ride performance for the road conditions and the Traction Off light i and StabiliTrak/ Caution selected mode. ESC OFF light g in the instrument Do not repeatedly brake or cluster turn off. accelerate heavily when TCS is off. Adding accessories can affect vehicle The vehicle driveline could be performance. See Accessories and damaged. Modifications 0 272. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 205 Mode Description exit these features and return to normal operation after a short period The following describes the modes when no spirited driving is detected. that can be selected in further detail. The steering including Active Rear Tour Mode Steer (if equipped), will change to provide more precise control. If the Use for normal city and highway vehicle has Magnetic Ride Control, the driving to provide a smooth, soft ride. suspension will change to provide This setting provides a balanced better cornering performance. If the setting between comfort and handling. vehicle is equipped with AWD, Sport This is the standard mode. For further Mode sends more torque to the rear details on Tour Mode, see “Driver wheels. Mode Selector Attributes Affected”. The Driver Mode Control has multiple For further details on Sport Mode, see modes: Tour, Sport, Snow/Ice, and Sport Mode “Driver Mode Selector Attributes Track. The Track Mode is available for Use where road conditions or personal Affected”. V-Series models only. All modes have preference demand a more controlled Snow/Ice Mode preset vehicle settings for use in response. different driving conditions. For Snow/Ice Mode is used for slippery further detail see “Mode Description”. When selected, the Sport Mode surfaces to help control wheel speed. indicator light will display in the This can compromise the acceleration To activate a mode, press y or z on instrument cluster. on dry asphalt. Snow/Ice Mode will the MODE switch to make a mode In this mode, the vehicle monitors use a different accelerator pedal map selection in the instrument cluster. driving behaviors and automatically to optimize traction on a slippery Every press will scroll to the next enables Performance Shift Features surface. The accelerator pedal will available mode. when spirited driving is detected. reduce engine torque at small pedal These features maintain lower inputs. transmission gears to increase available engine braking and improve acceleration response. The vehicle will Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

206 DRIVING AND OPERATING When selected, the Snow/Ice Mode Track Mode (V-Series Only) indicator light will display in the Use when maximum vehicle handling instrument cluster. is desired. This feature is not intended for use When selected, the Track Mode when the vehicle is stuck in sand, indicator will display in the mud, or gravel. If the vehicle becomes instrument cluster. stuck, see If the Vehicle Is Stuck 0 179. When in Track Mode, the automatic If the vehicle is equipped with AWD, transmission and the accelerator pedal Snow/Ice Mode will provide more is adjusted to give maximum control torque to the front wheels. during the highest level of spirited For further details on Snow/Ice Mode, driving. The Magnetic Ride Control see “Driver Mode Selector Attributes and steering will be set to the Affected”. optimum level for vehicle responsiveness. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 207 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 0 126. . 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-13566829) - 2020 - CRC - 6/14/19

208 DRIVING AND OPERATING Engine Sound When in the Track main vehicle mode, The default will be to follow the Adjusts the volume of engine noise you cannot overwrite the Steering or vehicle MODE switch settings, but the from quietest in Tour mode to most Suspension settings. These settings main vehicle mode selection for the robust in Track mode. are designed to interact with the currently selected system can be advanced functions in the Track Mode overwritten using this menu. The Steering and cannot be overwritten. settings selected in this menu will set Adjusts from a lighter steering feel in The selections made in the Driving the vehicle behavior in all selected Tour Mode to reduced assist in Sport Mode menu overwrite the main vehicle modes, and will be retained and Track Mode for more vehicle mode selection via the buttons over each ignition cycle. They do not steering feel. or switch on the center console. In have to be reset each time the vehicle order to customize and overwrite, is started. Suspension (if equipped with select one of the three settings by Magnetic Ride) touching the infotainment display. Locking Rear Axle Adjusts the shock dampening When in the customization screen for Vehicles with a limited-slip rear axle firmness from a comfort tune in Tour each system, select one of the can give more traction on snow, mud, Mode to an optimized responsiveness available options: ice, sand, or gravel. When traction is tune in Sport and Track. low, this feature allows the drive • Auto (Follows the MODE switch) Traction and Stability Control wheel with the most traction to move • Tour the vehicle. The limited-slip rear axle StabiliTrak/Electronic Stability Control also gives the driver enhanced control • Sport (ESC) can be turned off by pressing when cornering hard or completing a and holding the button for • Track (V-Series only) maneuver, such as a lane change. For five seconds. vehicles with limited-slip rear axle, the Driver Mode Customization rear axle fluid should be changed. See Maintenance Schedule 0 359. The Engine Sound Management, steering, and suspension drive modes can be set to the driver’s preference. See “Driving Mode” under Vehicle Personalization 0 140. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 209 Cruise Control control automatically disengages. See J : Press to turn the system on and Traction Control/Electronic Stability off. A white indicator appears in the Control 0 203. If a collision alert { Warning instrument cluster when cruise is occurs when cruise control is turned on. activated, cruise control is disengaged. Cruise control can be dangerous See Forward Collision Alert (FCA) RES+ : If there is a set speed in where you cannot drive safely at a System 0 244. When road conditions memory, press briefly to resume to steady speed. Do not use cruise allow cruise control to be safely used, that speed or press and hold to control on winding roads or in it can be turned back on. accelerate. If the cruise control is heavy traffic. already active, use to increase vehicle Cruise control will disengage if either speed. To increase speed by 1 km/h Cruise control can be dangerous on TCS or StabiliTrak/ESC is turned off. (1 mph), press RES+ to the first detent. slippery roads. On such roads, fast If the brakes are applied, cruise To increase speed to the next 5 km/h changes in tire traction can cause control disengages. (5 mph) mark on the speedometer, excessive wheel slip, and you could press RES+ to the second detent. lose control. Do not use cruise SET− : Press briefly to set the speed control on slippery roads. and activate cruise control. If the cruise control is already active, use to With cruise control, a speed of about decrease vehicle speed. To decrease 40 km/h (25 mph) or more can be speed by 1 km/h (1 mph), press SET− maintained without keeping your foot to the first detent. To decrease speed on the accelerator pedal. Cruise to the next 5 km/h (5 mph) mark on control cannot be set below 40 km/h the speedometer, press SET− to the (25 mph). second detent. If the Traction Control/StabiliTrak/ * : Press to disengage cruise control Electronic Stability Control (ESC) without erasing the set speed from system begins to limit wheel spin memory. while using cruise control, the cruise Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

210 DRIVING AND OPERATING Setting Cruise Control Once the vehicle speed reaches about Instrument Cluster (Uplevel) 0 113. The 40 km/h (25 mph) or more, press RES+ increment value used depends on the − If J is on when not in use, SET or briefly. The vehicle returns to the units displayed. RES+ could get pressed and go into previous set speed. cruise when not desired. Keep J off Reducing Speed While Using Cruise Increasing Speed While Using Control when cruise is not being used. Cruise Control If the cruise control system is already 1. Press J. If the cruise control system is already activated: 2. Get up to the desired speed. activated: . Press and hold SET− until the 3. Press and release SET−. The . Press and hold RES+ until the desired lower speed is reached, desired set speed briefly appears desired speed is reached, then then release it. in the instrument cluster. release it. . To decrease the vehicle speed in 4. Remove your foot from the . To increase vehicle speed in small small increments, briefly press accelerator pedal. increments, briefly press RES+ to SET− to the first detent. For each the first detent. For each press, the press, the vehicle goes about When the cruise control has been set vehicle goes about 1 km/h (1 mph) 1 km/h (1 mph) slower. to the desired speed, a green cruise faster. control indicator appears on the . To decrease the vehicle speed in instrument cluster and a cruise set . To increase vehicle speed in larger larger increments, briefly press speed message appears on the increments, briefly press RES+ to SET− to the second detent. For Head-Up Display (HUD), if equipped. the second detent. For each press, each press, the vehicle speed the vehicle speed increases to the decreases to the next 5 km/h Resuming a Set Speed next 5 km/h (5 mph) mark on the (5 mph) mark on the speedometer. If the cruise control is set at a desired speedometer. The cruise control system may speed and then the brakes are applied The speedometer reading can be automatically brake to slow the or * is pressed, the cruise control is displayed in either English or metric vehicle down. disengaged without erasing the set units. See Instrument Cluster (Base speed from memory. Level) 0 110 or Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 211 The speedometer reading can be have to brake or shift to a lower gear other vehicles. See Radio Frequency displayed in either English or to keep your speed down. If the brake Statement 0 386. The following gap is metric units. See Instrument Cluster pedal is applied, cruise control the following time (or distance) (Base Level) 0 110 or disengages. between your vehicle and a vehicle Instrument Cluster (Uplevel) 0 113. The detected directly ahead in your path, Ending Cruise Control increment value used depends on the moving in the same direction. If no units displayed. There are four ways to end cruise vehicle is detected in your path, ACC control: works like regular cruise control. Passing Another Vehicle While Using Cruise Control . Step lightly on the brake pedal. If a vehicle is detected in your path, ACC can speed up the vehicle or apply Use the accelerator pedal to increase * . Press . limited, moderate braking to maintain the vehicle speed. When you take your the selected following gap. To foot off the pedal, the vehicle will slow . Shift the transmission to disengage ACC, apply the brake. If the down to the previous set cruise speed. N (Neutral). Traction Control System (TCS) or While pressing the accelerator pedal . Press J. StabiliTrak/Electronic Stability Control or shortly following the release to Erasing Speed Memory (ESC) system activates while ACC is override cruise, briefly applying SET− engaged, ACC may automatically will result in cruise set to the current The cruise control set speed is erased disengage. See Traction Control/ vehicle speed. from memory if J is pressed or if Electronic Stability Control 0 203. When road conditions allow ACC to be safely Using Cruise Control on Hills the ignition is turned off. used, ACC can be turned back on. ACC How well the cruise control will work Adaptive Cruise Control will not engage if the TCS or on hills depends upon the vehicle StabiliTrak/ESC is disabled. speed, load, and the steepness of the If equipped with Adaptive Cruise 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 pedal to maintain your speed. When following gap. Read this entire section going downhill, the cruise control before using this system. ACC uses a system may automatically brake to camera and radar sensors to detect slow the vehicle down. Also, you may Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

212 DRIVING AND OPERATING

{ Warning { Warning

ACC has limited braking ability and ACC will not detect or brake for may not have time to slow the children, pedestrians, animals, vehicle down enough to avoid a or other objects. collision with another vehicle you Do not use ACC when: are following. This can occur when vehicles suddenly slow or stop . On winding and hilly roads or ahead, or enter your lane. Also see when the sensors are blocked “Alerting the Driver” in this section. by snow, ice, or dirt. The Complete attention is always system may not detect a required while driving and you vehicle ahead. Keep the entire front of the vehicle clean. should be ready to take action and J : Press to turn the system on or apply the brakes. See Defensive . Visibility is low, such as in off. The indicator turns white on the Driving 0 173. fog, rain, or snow conditions. instrument cluster when ACC is ACC performance is limited turned on. under these conditions. RES+ : Press briefly to resume the . On slippery roads where fast previous set speed or to increase changes in tire traction can vehicle speed if ACC is already cause excessive wheel slip. engaged. 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. 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-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 213 (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 cluster. When the regular cruise metric units. See Instrument Cluster control is engaged, a green J If J is on when not in use, it could (Base Level) 0 110 or indicator will be lit on the instrument get pressed and go into ACC when not Instrument Cluster (Uplevel) 0 113. The cluster. desired. Keep J off when cruise is increment value used depends on the not being used. units displayed. When the vehicle is turned on, the cruise control mode will be set to the Select the set speed desired for ACC. Switching Between ACC and last mode used before the vehicle was This is the vehicle speed when no Regular Cruise Control turned off. vehicle is detected in its path. To switch between ACC and regular While the vehicle is moving, ACC will cruise control, press and hold *. { Warning not set at a speed less than 25 km/h (15 mph), although it can be resumed A Driver Information Display (DIC) Always check the cruise control message displays. 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-13566829) - 2020 - CRC - 6/14/19

214 DRIVING AND OPERATING 4. Remove your foot from the Resuming a Set Speed Increasing Speed While ACC Is at a Set Speed accelerator pedal. 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 pedal to get to detected closer than the selected speed from memory. the 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-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 215 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 0 244. . 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-13566829) - 2020 - CRC - 6/14/19

216 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 0 140. braking is active, the brake lamps will apply the brakes. See Defensive Driving 0 173. 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. stopped or slow-moving vehicles . There is a fault in the system. The vehicle ahead indicator is on the ahead of you. For example, the instrument cluster and HUD display. . The radar falsely reports blockage system may not brake for a vehicle This indicator only displays when a when driving in a desert or remote it has never detected moving. This vehicle is detected in your vehicle’s 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-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 217 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 0 200. 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 0 140. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

218 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. When following a vehicle and entering could lose control of the vehicle or If equipped, the curve speed control a curve, ACC may not detect the vehicle ahead and accelerate to the set crash. Do not use ACC while driving indicator b may illuminate green on an entrance or exit ramp. Always speed. When this happens, the vehicle when ACC is actively controlling the ahead indicator will not appear. be ready to use the brakes if vehicle speed and detects a sharp necessary. curve on the road ahead. ACC automatically slows the vehicle down while navigating the curve and { Warning may increase speed out of the curve, but will not exceed the set speed. On curves, ACC may respond to a vehicle in another lane, or may not have time to react to a vehicle in your lane. You could crash into a vehicle ahead of you, or lose control ACC may detect a vehicle that is not of your vehicle. Give extra attention in your lane and apply the brakes. in curves and be ready to use the ACC may occasionally provide an alert (Continued) and/or braking that is considered unnecessary. It could respond to Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 219 vehicles in different lanes, signs, Do Not Use ACC on Hills and When . Press J. guardrails, and other stationary Towing a Trailer objects when entering or exiting a Erasing Speed Memory curve. This is normal operation. The The ACC set speed is erased from vehicle does not need service. memory if J is pressed or if the Other Vehicle Lane Changes ignition is turned off. 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, 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. 0 266. ACC will not detect a vehicle in the lane while driving on steep hills. If ACC will not operate, regular cruise ACC will not detect a vehicle ahead The driver will often need to take over control may be available. See until it is completely in the lane. The acceleration and braking on steep “Switching Between ACC and Regular brakes may need to be manually hills, especially when towing a trailer. Cruise Control” previously in this applied. If the brakes are applied, the ACC section. Always consider driving disengages. conditions before using either cruise control system. Disengaging ACC For cleaning instructions, see There are three ways to “Washing the Vehicle” under Exterior disengage ACC: Care 0 349. . Step lightly on the brake pedal. System operation may also be limited . Press *. under snow, heavy rain, or road spray conditions. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

220 DRIVING AND OPERATING Super Cruise Super Cruise uses the following to detect the current lane position and { Warning If equipped, Super Cruise can steer to lane markings ahead on compatible maintain lane position under certain highways under certain conditions: Super Cruise does not perform all conditions on compatible highways aspects of driving, nor does it do that are separated from opposing . Cameras everything a driver can do. Super traffic. . Global Positioning System (GPS) Cruise only steers to maintain lane sensing position. Super Cruise can only be { Warning . A high-precision map used with Adaptive Cruise Control. Super Cruise does: Super Cruise can only assist to . GPS-enhancement data maintain lane position when driving downloaded through OnStar . Not prevent crashes or warn on compatible highways. You must Super Cruise works with Adaptive of possible crashes. supervise the driving task and Cruise Control (ACC), which controls . Not steer to avoid stopped or monitor the freeway conditions. acceleration and braking while Super slow-moving vehicles, You may need to respond to traffic Cruise is enabled and operating. construction barriers or events by steering, braking, Review and understand both this cones, motorcycles, children, or accelerating. See Defensive section and the ACC section before pedestrians, animals, or other Driving 0 173. using Super Cruise. See Adaptive objects on the freeway. Cruise Control 0 211. Super Cruise is: . Not steer in response to An active OnStar or connected service vehicles or objects next to . Not a self-driving system. plan that includes Emergency Services your vehicle, including . Not a crash avoidance or is required to use Super Cruise. vehicles attempting to enter warning system. your lane. . Not a substitute for proper . Not change lanes. supervision of the . Not steer to merge onto or to driving task. exit freeways. (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 221

Warning (Continued) { Warning Warning (Continued)

. Not detect, steer to avoid, Failure to supervise the driving task . Always keep the entire front or steer through construction and to respond appropriately, even of the vehicle and the sensors zones. while Super Cruise is operating, can clean. . Not function on surface cause a crash. Super Cruise may not . Always observe posted speed streets. respond as you would to all driving limits. Only use Super Cruise situations and may not maintain . Not respond to crossing or at or below the posted speed lane position under all conditions. oncoming traffic. limit. It is extremely important to pay . Not function in city driving Super Cruise should not be used in conditions. attention to the operation of the complex or uncertain driving vehicle, even while using Super conditions, including: Cruise. Do not use a hand-held . Not in construction zones. device while driving, even with { Warning Super Cruise engaged. . Not when approaching or exiting toll plazas. To prevent serious injury or death: Some state and local laws may . Not when lane markings are require hands to be kept on the . Always remain properly not present or cannot be steering wheel at all times. Only seated in the driver seat with detected. For example there is remove your hands from the your seat belt fastened. too much glare, weather steering wheel if Super Cruise is . Never remove your hands conditions are poor, or lanes engaged, it is safe to do so, and it is from the steering wheel when are poorly marked. permitted by state and local laws. Super Cruise is not operating. . Not on slippery or icy Failure to do so may result in a . freeways. crash involving serious injury or Always make sure traffic conditions are safe before death. (Continued) using Super Cruise. (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

222 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. . Not for city driving. Super Cruise Indicator . Not during heavy or Super Cruise is designed to operate emergency braking. only when: . Not on surface streets. . ACC is on. See Adaptive Cruise Control 0 211. Poor Conditions . Not on a road shoulder, service drive, or under an . Automatic Emergency Braking is elevated freeway. on. See Automatic Emergency Braking (AEB) 0 246. . 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 compatible highway. . 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 road. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 223 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 211. 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-13566829) - 2020 - CRC - 6/14/19

224 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 0 140. 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-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 225 . 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 highway exits, share pictures, audio, or video. entrances, and crossings with Super Super Cruise is a driver assistance Cruise, and be ready to take control Sunglasses, hats, or other types of system and cannot accurately of the vehicle when necessary. clothing that change the shape of the head may interfere with camera detect or predict all situations. Changes in lane markings around performance. To improve camera Super Cruise is not a crash exits and entrances can avoidance system. To prevent performance, raise or lower the momentarily cause Super Cruise to steering wheel, or change the seat serious injury or death, you must not detect the correct lane. If this position. supervise the driving task and occurs, Super Cruise may attempt monitor the road conditions. You steering inputs to bring the vehicle may need to respond to traffic back into the correct lane and, in events by steering, braking, rare circumstances, could or accelerating. See Defensive over-correct and cause the vehicle Driving 0 173. Super Cruise also to momentarily cross into a lane cannot determine whether you are next to your vehicle unless you awake, asleep, impaired, or properly manually steer to maintain your focused on safe driving. The vehicle lane 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-13566829) - 2020 - CRC - 6/14/19

226 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 road. First Alert . The flashing will stop when the system detects that your head and eyes appear to be directed toward the road. . 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 0 140. . 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-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 227 Stationary or Very Slow-Moving When entering a curve, Super Cruise Objects; Cross-Traffic Warning (Continued) may not detect the lane markings and may not adjust the steering enough to Super Cruise may not detect your { Warning stay in your lane of travel. When this lane on curves in the road. Super happens, you will need to steer the Super Cruise is not a crash Cruise may not detect the markings vehicle. that show your lane. You may not avoidance system and will not steer Super Cruise may detect other lane or brake to avoid a crash. Super have time to react to a vehicle in the lane next to your vehicle while markings that are not in your lane Cruise does not steer to prevent a and may or may not steer on curves in the road. crash with stopped or slow-moving appropriately to maintain your lane. vehicles. You must supervise the driving task and may need to steer Super Cruise may operate differently and brake to prevent a crash, in sharp curves. It may drift out of especially in stop-and-go traffic or your lane of travel if the curve is too when a vehicle suddenly enters sharp. your lane. Always pay attention when using Super Cruise. Failure to do so could result in a crash involving serious injury or death.

Curves in the Road

{ Warning Super Cruise may occasionally provide The vehicle could drift out of your an alert and/or steering that is lane of travel. To prevent crashes, considered unnecessary. It could always be ready to manually steer. respond to lane markings in different lanes, signs, guardrails, and other (Continued) stationary objects when entering or Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

228 DRIVING AND OPERATING exiting a curve. This is normal Intersections; Vehicles Crossing the Super Cruise Indicator Light operation. The vehicle does not need Road Ahead Summary service. Super Cruise will not brake the vehicle Other Vehicles Entering Your Lane when approaching an intersection that is controlled by a traffic light or stop sign. Super Cruise will not detect vehicles crossing the road ahead, including at intersections, and will not automatically steer or brake to prevent a collision. You must manually brake and steer the vehicle. Towing a Trailer Do not use Super Cruise when towing a trailer. For towing capability, see Trailer Towing 0 266. The steering wheel light bar and Super Cruise on Hills instrument cluster light provide the following important information about Super Cruise may not detect a vehicle Do not use Super Cruise while driving Super Cruise operation: that enters your lane, or may not on steep hills. brake fast enough to avoid a crash. You must manually brake and steer the vehicle. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 229

Steering Wheel Instrument Cluster Light Super Cruise Description Light Bar Super Cruise is off. There is no automatic steering. Operate the Off Off vehicle manually. Off White Super Cruise is available and can be engaged. Super Cruise is steering. Pay attention to the road and vehicle Solid Green Solid Green operation. Super Cruise is not steering. Operate the vehicle manually. See Pulsing Blue Solid Blue “Steering Manually and Changing Lanes” previously in this section. Super Cruise has detected you are not paying sufficiently close Flashing Green Solid Green 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. See Flashing Red Solid Red “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-13566829) - 2020 - CRC - 6/14/19

230 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 or compatible divided highway is required for Super Cruise. . There are lanes entering or exiting on both the left and right side of the road. . The vehicle is approaching a interchange or intersection. The message will appear for 10 seconds or less. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 231

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-13566829) - 2020 - CRC - 6/14/19

232 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-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 233 Map Updates Data Download the vehicle; the use of the vehicle and Super Cruise map information must Super Cruise uses the Wi-Fi hotspot in its features; and, in certain situations, be periodically updated at least once the vehicle to download map updates the location and approximate GPS every seven months to determine and GPS enhancement data to the speed of the vehicle. Refer to the whether Super Cruise is available on vehicle. If a mobile device with its OnStar Terms and Conditions and certain roads. Turn on the vehicle’s own Wi-Fi hotspot is brought into the Privacy Statement on the OnStar built-in Wi-Fi hotspot to receive vehicle and its Service Set Identifier website. automatic updates via OnStar, or see (SSID) and password are the same as Location Services your dealer. See the following the OnStar Wi-Fi hotspot, then the region-based websites for Super Cruise vehicle may connect to the mobile This setting enables or disables map open source compliance device’s Wi-Fi hotspot to download sharing of vehicle location outside the documentation, including the license the data. See Connections 0 398. vehicle for certain purposes. Even if information: the Location Services setting is To prevent usage of a mobile device disabled, vehicle location information Disabling the vehicle's Wi-Fi or data plan, do one of the following: will continue to be shared for Location Services will disable . Do not use the same SSID and emergency services and Super Cruise, automatic map updates. Super Cruise password for the OnStar Wi-Fi if equipped. will stop functioning after seven hotspot and a mobile device. months or less, depending on the time System Care of the last map update. . Disable the personal mobile device The camera on the steering column Wi-Fi hotspot when inside the has a lens cover that may become North America: http:// vehicle. www.oss.gm.com/GMNA/7E2/ dirty over time and affect camera supercruise If the vehicle is equipped with OnStar performance. Clean the lens cover and has an active service plan, with a soft cloth sprayed with glass China: http://www.oss.gm.com/china/ additional data may be collected cleaner. Wipe the lens gently, then dry 7E2/supercruise through the OnStar system. This it. Never use abrasive cloths/cleaners includes information about: the or corrosive chemicals of any kind on vehicle’s operation; a crash involving the lens cover. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

234 DRIVING AND OPERATING Super Cruise uses the front radar, Driver Assistance front camera, and 360 degree cameras Warning (Continued) for its operation. Clean surfaces are Systems . required for Super Cruise operation. Detect vehicles or objects This vehicle may have features that See Adaptive Cruise Control 0 211, outside the area monitored by work together to help avoid crashes or “Surround Vision Camera” under the system. reduce crash damage while driving, Assistance Systems for Parking or . Work at all driving speeds. backing, and parking. Read this entire Backing 0 235, and Lane Keep Assist 0 section before using these systems. . Warn you or provide you with (LKA) 254 for care information. enough time to avoid a crash. { Warning Caution . Work under poor visibility or bad weather conditions. Do not rely on the Driver The Super Cruise system is a highly Assistance Systems. These systems . Work if the detection sensor sophisticated system and should do not replace the need for paying is not cleaned or is covered only be serviced by technicians by ice, snow, mud, or dirt. attention and driving safely. You with the proper training, tools, and may not hear or feel alerts or . Work if the detection sensor safety instructions, which your warnings provided by these is covered up, such as with a dealer has. Without proper training systems. Failure to use proper care sticker, magnet, or metal and tools the vehicle may become when driving may result in injury, plate. damaged. death, or vehicle damage. See . Work if the area surrounding Defensive Driving 0 173. 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-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 235 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 0 140. . 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 0 140. Radio Frequency Cleaning This vehicle may be equipped with Depending on vehicle options, keep driver assistance systems that operate these areas of the vehicle clean to using radio frequency. See Radio ensure the best driver assistance Frequency Statement 0 386. feature performance. Driver Information Center (DIC) messages Assistance Systems for may display when the systems are unavailable or blocked. Parking or Backing If equipped, the Rear Vision Camera (RVC), Rear Park Assist (RPA), Front Park Assist (FPA), Surround Vision, . Front and rear bumpers and the Reverse Automatic Braking (RAB) and area below the bumpers Backing Warning System, Rear Cross Traffic Alert (RCTA), and Automatic . Front grille and headlamps Parking Assist (APA) may help the Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

236 DRIVING AND OPERATING driver park or avoid objects. Always Displayed images may be farther or check around the vehicle when closer than they appear. The area parking or backing. displayed is limited and objects that are close to either corner of the Rear Vision Camera (RVC) bumper or under the bumper do not When the vehicle is shifted into display. R (Reverse), the RVC displays an A warning triangle may display to image of the area behind the vehicle show that RPA has detected an object. in the infotainment display. The This triangle changes from amber to previous screen displays when the red and increases in size the closer vehicle is shifted out of R (Reverse) the object. after a short delay. To return to the previous screen sooner, press any Surround Vision button on the infotainment system, 1. View Displayed by the Camera If equipped, Surround Vision shows an shift into P (Park), or, while in D image of the area surrounding the (Drive), reach a vehicle speed of vehicle, along with the front or rear approximately 12 km/h (8 mph). camera views on the infotainment display. The front camera is in the grille or near the front emblem, the side cameras are on the bottom of the outside mirrors, and the rear camera is above the license plate. The Surround Vision system can be accessed by selecting CAMERA in the 1. View Displayed by the infotainment display or when the Camera vehicle is shifted into R (Reverse). To 2. Corners of the Rear Bumper return to the previous screen sooner when not in R (Reverse), press the Home or Back button on the Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 237 infotainment system, shift into P (Park), or, while in D (Drive), reach a Warning (Continued) vehicle speed of approximately 12 km/h (8 mph). Failure to use proper care may result in injury, death, or vehicle damage. { Warning

The Surround Vision cameras have Camera Views blind spots and will not display all objects near the corners of the 1. Views Displayed by the vehicle. Folding outside mirrors that Surround Vision Cameras are out of position may not display 2. Area Not Shown surround view correctly. Always check around the vehicle when { Warning parking or backing. 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 distances may be different from Touch the camera view buttons along actual distances. Do not drive or the bottom of the infotainment park the vehicle using only these display. camera(s). Always check behind and Front/Rear Standard View : Displays around the vehicle before driving. an image of the area in front or 1. Views Displayed by the (Continued) behind the vehicle. Touch Front/Rear Surround Vision Cameras Standard View on the infotainment 2. Area Not Shown display when a camera view is active. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

238 DRIVING AND OPERATING Touching the button multiple times rearward views. Rear Pedestrian Alert, Park Assist will toggle between front and rear Park Assist, and RCTA are not With RPA, and if equipped with FPA, camera views. available when Bowl view is active. as the vehicle moves at speeds of less If equipped, the front view camera Side Forward/Rearward View : than 8 km/h (5 mph) the sensors on also displays when the Park Assist Displays a view that shows objects the bumpers may detect objects up to system detects an object within next to the front or rear sides of the 2.5 m (8 ft) behind and 1.2 m (4 ft) in 30 cm (12 in). vehicle. Touch Side Forward/Rearward front of the vehicle within a zone Front/Rear Junction View : Displays View on the infotainment display 25 cm (10 in) high off the ground and a front or rear cross traffic view that when a camera view is active. below bumper level. These detection shows objects directly to the left and Touching the button multiple times distances may be shorter during right of the front or back of the will toggle between forward and warmer or humid weather. Blocked vehicle. Touch Junction View on the rearward views. Rear Pedestrian Alert, sensors will not detect objects and infotainment display when a camera Park Assist, and RCTA are not can also cause false detections. Keep view is active. Touching the button available when Side Forward/Rearward the sensors clean of mud, dirt, snow, multiple times will toggle between view is active. ice, and slush; and clean sensors after front and rear camera views. Guidance Lines : Displays available a car wash in freezing temperatures. guidelines. Front/Rear Overhead View : Displays { Warning a front or rear overhead view of the Top Down View : Displays an image vehicle. Touching the button will of the area surrounding the vehicle, The Park Assist system does not toggle between the two views. along with the rear camera view in the detect children, pedestrians, Front/Rear Bowl View : Displays a infotainment display. The rear camera bicyclists, animals, or objects view of the vehicle from either the view will be replaced by the front located below the bumper or that front or the back of the vehicle. Touch camera view after shifting from are too close or too far from the R (Reverse) to a forward gear or when Bowl View on the infotainment vehicle. It is not available at speeds the vehicle is moving forward slower display when a camera view is active. greater than 8 km/h (5 mph). To than 12 km/h (8 mph). This view can Touching the button multiple times prevent injury, death, or vehicle will toggle between forward and also be accessed by touching the Top Down View button when the CAMERA (Continued) view is active. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 239 object is very close (<0.6 m (2 ft) in the Warning (Continued) vehicle rear, or <0.3 m (1 ft) in the { Warning vehicle front), five beeps will sound damage, even with Park Assist, from the front or rear depending on The Backing Warning System only always check the area around the object location, or both sides of the operates at speeds greater than vehicle and check all mirrors before Safety Alert Seat will pulse five times. 8 km/h (5 mph). It does not detect moving forward or backing. Beeps for FPA are higher pitched than children, pedestrians, bicyclists, for RPA. animals, or objects below the bumper or that are too close or too Backing Warning and Reverse far from the vehicle. In some Automatic Braking situations, such as at higher Vehicles with Adaptive Cruise Control backing speeds, there may not be (ACC) have the Backing Warning enough time for the short, sharp System and Reverse Automatic application of the vehicle brake Braking (RAB) system. The Backing system to occur. To prevent injury, Warning part of this system can warn death, or vehicle damage, even with of rear objects when backing up at the Backing Warning System, speeds greater than 8 km/h (5 mph). always check the area around the The instrument cluster may have a The Backing Warning System will vehicle and check all mirrors before Park Assist display with bars that beep once from the rear when an backing. show “distance to object” and object object is first detected, or pulse twice location information for the Park on both sides of the Safety Alert Seat. When the vehicle is in R (Reverse), Assist system. As the object gets When the system detects a potential if the system detects the vehicle is closer, more bars light up and the bars crash, beeps will be heard from the backing too fast to avoid a crash with change color from yellow to amber rear, or five pulses will be felt on both a detected object behind your vehicle to red. sides of the Safety Alert Seat. There in your path, it may automatically may also be a brief, sharp application When an object is first detected in the brake hard to a stop to help avoid or of the brakes. rear, one beep will be heard from the reduce the harm caused by a backing rear, or both sides of the Safety Alert crash. Seat will pulse two times. When an Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

240 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 386. 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 140. 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 0 140. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 241 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-13566829) - 2020 - CRC - 6/14/19

242 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-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 243

Warning (Continued) Warning (Continued)

. The pedestrian is not directly apply the brakes. See Defensive behind the vehicle, fully Driving 0 173. 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 0 140. 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 0 140. 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), Automatic Emergency Braking (AEB), and/or the Front unless it detects a pedestrian, and it around the vehicle before backing Pedestrian Braking (FPB) System can may not detect all pedestrians if: up. Be ready to take action and help to avoid a crash or reduce crash (Continued) (Continued) damage. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

244 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 173. 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 speeds personalization. See “Collision/ blocked by dirt, snow, or ice, or if above 4 km/h (2.5 mph). See Adaptive Detection Systems” under Vehicle the windshield is damaged. It may Cruise Control 0 211. Personalization 0 140. 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-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 245 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-13566829) - 2020 - CRC - 6/14/19

246 DRIVING AND OPERATING Driver Information Center (DIC). See Automatic Emergency Driver Information Center (DIC) 0 132. { Warning The minimum following time is Braking (AEB) 0.5 seconds away. If there is no vehicle If the vehicle has Forward Collision AEB is an emergency crash detected ahead, or the vehicle ahead is Alert (FCA), it also has AEB, 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 AEB to brake the vehicle. ahead in your path that is traveling in AEB 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 AEB 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 automatic emergency tractors, muddy vehicles, etc. If the FCA system does not seem to braking can only occur if a vehicle is . Detect a vehicle when operate properly, this may correct the detected. This is shown by the FCA weather limits visibility, such issue: vehicle ahead indicator being lit. See Forward Collision Alert (FCA) System as in fog, rain, or snow. . Clean the outside of the 0 244. . Detect a vehicle ahead if it is windshield in front of the rearview partially blocked by mirror. The system works when driving in a forward gear between 8 km/h (5 mph) pedestrians or other objects. . Clean the entire front of the and 80 km/h (50 mph), or on vehicles Complete attention is always vehicle. with Adaptive Cruise Control (ACC), required while driving, and you . Clean the headlamps. above 4 km/h (2 mph). It can detect should be ready to take action and vehicles up to approximately 60 m apply the brakes and/or steer the (197 ft). vehicle to avoid crashes. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 247 AEB 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, AEB 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 AEB 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 AEB, firmly AEB and IBA can be disabled through Control (ESC) system. press the accelerator pedal, if it is vehicle personalization. See “Collision/ The AEB system does not need safe to do so. Detection Systems” under Vehicle service. Personalization 0 140. Intelligent Brake Assist (IBA) Front Pedestrian Braking IBA may activate when the brake { Warning (FPB) System pedal is applied quickly by providing a Using AEB 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 pedestrian is Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

248 DRIVING AND OPERATING detected ahead. When approaching a FPB can be set to Off, Alert, or Alert & detected pedestrian too quickly, FPB { Warning Brake through vehicle personalization. provides a red flashing alert on the See “Front Pedestrian Detection” in windshield and rapidly beeps or pulses FPB does not provide an alert or “Collision/Detection Systems” under the driver seat. FPB can provide a automatically brake the vehicle, Vehicle Personalization 0 140. boost to braking or automatically unless it detects a pedestrian. FPB brake the vehicle. This system may not detect pedestrians, Detecting the Pedestrian Ahead includes Intelligent Brake Assist (IBA), including children: and the Automatic Emergency Braking . When the pedestrian is not (AEB) System may also respond to directly ahead, fully visible, pedestrians. See Automatic Emergency or standing upright, or when 0 Braking (AEB) 246. part of a group. The FPB system can detect and alert . Due to poor visibility, to pedestrians in a forward gear at including nighttime FPB alerts and automatic braking will speeds between 8 km/h (5 mph) and conditions, fog, rain, or snow. 80 km/h (50 mph). During daytime not occur unless the FPB system driving, the system detects . If the FPB sensor is blocked detects a pedestrian. When a nearby pedestrians up to a distance of by dirt, snow, or ice. pedestrian is detected in front of the vehicle, the pedestrian ahead indicator approximately 40 m (131 ft). During . If the headlamps or will display amber. nighttime driving, system performance windshield are not cleaned or is very limited. If the vehicle is in proper condition. Front Pedestrian Alert equipped with the Night Vision system, during nighttime driving, the Be ready to take action and apply the brakes. For more information, vehicle can detect and alert to 0 pedestrians whenever in a see Defensive Driving 173. Keep forward gear. the windshield, headlamps, and FPB sensor clean and in good repair.

With Head-Up Display Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 249 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 140. 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-13566829) - 2020 - CRC - 6/14/19

250 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 0 247. cluster, the Night Vision image a box appears around the pedestrian can be displayed. See Instrument or animal. When the system detects { Warning Cluster (Base Level) 0 110 or that the vehicle is approaching a Instrument Cluster (Uplevel) 0 113. The pedestrian ahead much too quickly, The system does not detect all Night Vision system can operate the box changes to red. objects or the vehicle distance from only if: objects. The system may not . The ignition is on. provide a warning with enough time to help avoid a crash. . The vehicle is in P (Park) or a forward gear. . It is dark enough outside. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 251 . The headlamps are on, except personalization by turning off the when parked. { Warning Front Pedestrian Braking system. See “ ” Adjust the instrument panel Front Pedestrian Detection in Do not stare at the image while “ ” brightness to make the image no Collision/Detection Systems under driving as this might cause Vehicle Personalization 0 140. brighter than necessary. Turn the important objects ahead not to be image off by selecting another view seen. You could crash, and you or { Warning on the instrument cluster. others could be injured. Warm objects, such as pedestrians, The Night Vision system does not animals, and other moving vehicles, When a pedestrian or large animal is automatically brake the vehicle. should appear whiter on the Night detected, an amber box displays It does not provide alerts unless it Vision display. Cold objects, such as around the pedestrian or animal detects a pedestrian or large the sky, signs, and parked vehicles, on the Night Vision display and animal. The system may not detect should appear darker. Night Vision pedestrians, including children, only shows objects that are warmer or an amber pedestrian icon, ~, or animals: colder than the surroundings. It does or animal icon, !, displays on the not detect brake lamps, turn signals, instrument cluster. This pedestrian . If they are less than 25 m emergency flashers, traffic lights, icon is also shown on the Head-Up (82 ft) away. or sign information. Display (HUD). When the system . If they are not directly ahead Use this system as an aid by detects the vehicle is approaching a in the sensor coverage area, occasionally glancing at the image. Do pedestrian much too quickly, the fully visible, standing upright, not stare at the image or use the amber pedestrian icon and box turns or part of a group. red, and a red flashing icon, ~, image under well-lit conditions. . If the pedestrian or animal is displays on the HUD with rapid moving too quickly through beeping or pulsing of the Safety Alert the field of view, such as a Seat, if equipped. bicyclist. System pedestrian icons, beeps, and (Continued) (if equipped) Safety Alert Seat pulses can be set to Off through vehicle Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

252 DRIVING AND OPERATING severe weather conditions, the image side, the display will flash as an extra Warning (Continued) may be unclear and unusable. The warning not to change lanes. Since system does not need service. this system is part of the Lane Change . If the pedestrian is wearing Alert (LCA) system, read the entire certain types of clothing. Keep the system sensor clean when it is dark enough for the system to LCA section before using this feature. . If headlamps are off, except operate. If the Night Vision image still when parked. looks blurry, use a soft wet cloth to Lane Change Alert (LCA) . If the outside temperature is gently clean the sensor camera lens If equipped, the LCA system is a higher than 30 °C (86 °F). and dry thoroughly. The sensor is lane-changing aid that assists drivers . Due to poor visibility, behind the front grille to the inside of with avoiding lane change crashes including in heavy fog, rain, the driver side headlamp. that occur with moving vehicles in the or snow. The camera must also be aligned to side blind zone (or spot) areas or with work correctly. If the camera needs vehicles rapidly approaching these . If the sensor is blocked by areas from behind. The LCA warning dirt, snow, rain, or ice. adjustment, see your dealer. Do not attempt to adjust the camera yourself. display will light up in the Be ready to take action and apply corresponding outside mirror and will the brakes. For more information, Side Blind Zone flash if the turn signal is on. see Defensive Driving 0 173. Keep Alert (SBZA) the Night Vision sensor clean and { Warning in good repair. If equipped, the SBZA system is a lane-changing aid that assists drivers LCA does not alert the driver to with avoiding crashes that occur with vehicles outside of the system Pedestrian detection may not be moving vehicles in the side blind zone detection zones, pedestrians, available in high outside temperatures. (or spot) areas. When the vehicle is in bicyclists, or animals. It may not An amber icon, *, displays. The a forward gear, the left or right side provide alerts when changing lanes system does not need service. mirror display will light up if a moving under all driving conditions. Failure In rain, snow, or fog the image may vehicle is detected in that blind zone. to use proper care when changing If the turn signal is activated and a not be clear and the direction of the (Continued) road ahead may not be seen. In more vehicle is also detected on the same Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 253 starts at approximately the middle of is operating. When the vehicle is in a Warning (Continued) the vehicle and goes back 5 m (16 ft). forward gear, the left or right outside Drivers are also warned of vehicles mirror display will light up if a moving lanes may result in injury, death, rapidly approaching from up to 70 m vehicle is detected in the next lane or vehicle damage. Before making a (230 ft) behind the vehicle. over in that blind zone or rapidly lane change, always check mirrors, approaching that zone. If the turn glance over your shoulder, and use How the System Works signal is activated in the same the turn signals. The LCA symbol lights up in the direction as a detected vehicle, this outside mirrors when the system display will flash as an extra warning LCA Detection Zones detects a moving vehicle in the next not to change lanes. 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 0 140. 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. signals. When the System Does Not Seem to Work Properly 1. SBZA Detection Zone The LCA system requires some driving 2. LCA Detection Zone for the system to calibrate to maximum performance. This The LCA sensor covers a zone of calibration may occur more quickly if approximately one lane over from Left Outside Mirror Right Outside the vehicle is driving on a straight both sides of the vehicle, or 3.5 m Display Mirror Display highway road with traffic and roadside (11 ft). The height of the zone is objects (e.g., guardrails, barriers). approximately between 0.5 m (1.5 ft) When the vehicle is started, both and 2 m (6 ft) off the ground. The Side outside mirror LCA displays will Blind Zone Alert (SBZA) warning area briefly come on to indicate the system Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

254 DRIVING AND OPERATING LCA displays may not come on when mud, dirt, snow, ice, or slush, or in Departure Warning (LDW) alert if the passing a vehicle quickly, for a heavy rainstorms. For cleaning vehicle crosses a detected lane stopped vehicle, or when towing a instructions, see "Washing the marking. LKA can be overriden by trailer. The LCA detection zones that Vehicle" under Exterior Care 0 349. turning the steering wheel. This extend back from the side of the If the DIC still displays the system system is not intended to keep the vehicle do not move further back unavailable message after cleaning vehicle centered in the lane. LKA will when a trailer is towed. Use caution both sides of the vehicle toward the not assist and alert if the turn signal while changing lanes when towing a rear corners of the vehicle, see your is active in the direction of lane trailer. LCA may alert to objects dealer. departure, or if it detects that you are attached to the vehicle, such as a If the LCA displays do not light up accelerating, braking or actively trailer, bicycle, or object extending out when moving vehicles are in the side steering. to either side of the vehicle. Attached blind zone or are rapidly approaching objects may also interfere with the this zone and the system is clean, the { Warning detection of vehicles. This is normal system may need service. Take the system operation; the vehicle does not vehicle to your dealer. The LKA system does not need service. continuously steer the vehicle. LCA may not always alert the driver to Radio Frequency Information It may not keep the vehicle in the vehicles in the next lane over, See Radio Frequency Statement 0 386. lane or give a Lane Departure especially in wet conditions or when Warning (LDW) alert, even if a lane driving on sharp curves. The system Lane Keep Assist (LKA) marking is detected. does not need to be serviced. The If equipped, LKA may help avoid The LKA and LDW systems system may light up due to guardrails, may not: signs, trees, shrubs, and other crashes due to unintentional lane non-moving objects. This is normal departures. This system uses a camera . Provide an alert or enough system operation; the vehicle does not to detect lane markings between steering assist to avoid a lane need service. 60 km/h (37 mph) and 180 km/h departure or crash. (112 mph). It may assist by gently (Continued) LCA may not operate when the LCA turning the steering wheel if the sensors in the left or right corners of vehicle approaches a detected lane the rear bumper are covered with marking. It may also provide a Lane Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 255 A Warning (Continued) Warning (Continued) To turn LKA on and off, press on the steering wheel. If equipped, the . Detect lane markings under and camera sensors clean and in indicator light on the button comes poor weather or visibility good repair. Do not use LKA in bad on when LKA is on and turns off conditions. This can occur if weather conditions or on roads with when LKA is disabled. the windshield or headlamps unclear lane markings, such as When on, A is white, if equipped, are blocked by dirt, snow, construction zones. indicating that the system is not or ice; if they are not in proper condition; or if the sun ready to assist. A is green if LKA is shines directly into the ready to assist. LKA may assist by camera. { Warning gently turning the steering wheel if the vehicle approaches a . Detect road edges. Using LKA while towing a trailer or detected lane marking. A is amber . Detect lanes on winding or on slippery roads could cause loss when assisting. It may also provide a hilly roads. of control of the vehicle and a Lane Departure Warning (LDW) alert If LKA only detects lane markings crash. Turn the system off. by flashing A amber if the vehicle on one side of the road, it will only crosses a detected lane marking. assist or provide an LDW alert How the System Works Additionally, there may be three when approaching the lane on the beeps, or the driver seat may pulse LKA uses a camera sensor installed on side where it has detected a lane three times, on the right or left, the windshield ahead of the rearview marking. Even with LKA and LDW, depending on the lane departure mirror to detect lane markings. It may direction. you must steer the vehicle. Always provide brief steering assist if it keep your attention on the road and detects an unintended lane departure. Take Steering maintain proper vehicle position It may further provide an audible alert within the lane, or vehicle damage, The LKA system does not or the driver seat may pulse indicating continuously steer the vehicle. If LKA injury, or death could occur. Always that a lane marking has been crossed. does not detect active driver steering, keep the windshield, headlamps, an alert and chime may be provided. (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

256 DRIVING AND OPERATING Steer the vehicle to dismiss. LKA may camera. The LKA system does not become temporarily unavailable after need service. Clean the outside of the repeated take steering alerts. windshield behind the rearview mirror. When the System Does Not LKA assistance and/or LDW alerts Seem to Work Properly may occur due to tar marks, shadows, cracks in the road, temporary or The system performance may be construction lane markings, or other affected by: road imperfections. This is normal . Close vehicles ahead. system operation; the vehicle does not need service. Turn LKA off if these . Sudden lighting changes, such as conditions continue. when driving through tunnels. . Banked roads. Surround Vision Recorder Insert an SD card into the card reader in the trunk. Disable recording from . Roads with poor lane markings, If equipped, this system records the the playback screen before removing such as two-lane roads. 360° camera views to an SD card. Only the SD card from the reader. Do not images are recorded, no sound. An SD A system unavailable message may remove the card while recording is card will be needed for this system. display if the camera is blocked. The enabled. This could corrupt the video The recommended SD card is a 32GB LKA system does not need service. file and/or the SD card. SDHC card with FAT32 file system, A camera blocked message may Class 10 and over. Other files should not be stored on display if the camera is blocked. Some the same SD card as the surround driver assistance systems may have vision recorder files. Storing other files reduced performance or not work at on the same card may increase all. An LKA or LDW unavailable recording start up and playback time message may display if the systems or result in a loss of data. are temporarily unavailable. This message could be due to a blocked Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 257 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-13566829) - 2020 - CRC - 6/14/19

258 DRIVING AND OPERATING Other files should not be stored on Fuel Recommended Fuel (3.6L the same SD card as the surround vision recorder files. Storing other files V6 Engine) on the same card may increase Top Tier Fuel recording start up and playback time GM recommends the use of TOP TIER or result in a loss of data. An error Detergent Gasoline to keep the engine message may be displayed if no clean, reduce engine deposits, and surround vision recorded video file is maintain optimal vehicle performance. available for playback. Look for the TOP TIER Logo or see www.toptiergas.com for a list of TOP TIER Detergent Gasoline marketers Use regular unleaded gasoline meeting and applicable countries. ASTM specification D4814 with a posted octane rating of 87 — (R+M)/2 — or higher. Do not use gasoline with a posted octane rating of less than 87, as this may cause engine knock and will lower fuel economy. Do not use any fuel labeled E85 or FlexFuel. Do not use gasoline with ethanol levels greater than 15% by volume. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 259 Recommended Fuel (4.2L Prohibited Fuels Caution (Continued) Twin Turbo V8 Engine) Caution . Fuel with a posted octane rating of less than the Do not use fuels with any of the recommended fuel. Using this following conditions; doing so may fuel will lower fuel economy damage the vehicle and void its and performance, and may warranty: decrease the life of the . For vehicles that are not emissions catalyst. Use premium unleaded gasoline FlexFuel, fuel labeled greater meeting ASTM specification D4814 than 15% ethanol by volume, Fuels in Foreign Countries with a posted octane rating of 93 — such as mid-level ethanol (R+M)/2. If unavailable, unleaded blends (16–50% ethanol), E85, The U.S., Canada, and Mexico post gasoline with a posted octane rating or FlexFuel. fuel octane ratings in anti-knock index of 91 may be used, but with reduced (AKI). For fuel not to use in a foreign . Fuel with any amount of country, see Prohibited Fuels 0 259. performance and fuel economy. If the methanol, methylal, ferrocene, octane is less than 91, the engine and aniline. These fuels can could be damaged and the repairs corrode metal fuel system Fuel Additives would not be covered by the vehicle parts or damage plastic and TOP TIER Detergent Gasoline is highly warranty. If heavy knocking is heard rubber parts. recommended for use with your when using gasoline rated at vehicle. If your country does not have 93 octane, the engine needs service. . Fuel containing metals such as methylcyclopentadienyl TOP TIER Detergent Gasoline, add Do not use any fuel labeled E85 or manganese tricarbonyl ACDelco Fuel System Treatment Plus − ’ FlexFuel. Do not use gasoline with (MMT), which can damage Gasoline to the vehicle s gasoline fuel ethanol levels greater than 15% by the emissions control system tank at every oil change or 15 000 km volume. and spark plugs. (9,000 mi), whichever occurs first. TOP TIER Detergent Gasoline and ACDelco (Continued) Fuel System Treatment Plus−Gasoline Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

260 DRIVING AND OPERATING will help keep your vehicle’s engine The fuel door unlocks when the fuel deposit free and performing Warning (Continued) vehicle doors are unlocked. See optimally. Remote Keyless Entry (RKE) System . Do not leave the fuel pump Operation 0 10. Filling the Tank unattended. . Avoid using electronic devices An arrow on the fuel gauge indicates while refueling. which side of the vehicle the fuel door is on. See Fuel Gauge 0 116. . Do not re-enter the vehicle while pumping fuel. { Warning . Keep children away from the fuel pump and never let Fuel vapors and fuel fires burn children pump fuel. violently and can cause injury or . Before touching the fill death. nozzle, touch a metallic Follow these guidelines to help object to discharge static avoid injuries to you and others: electricity from your body. . Read and follow all the . Fuel can spray out if the fill To open the fuel door, push and instructions on the fuel pump nozzle is inserted too quickly. release the rearward center edge of island. This spray can happen if the the door. tank is nearly full, and is . Turn off the engine when The capless refueling system does not more likely in hot weather. refueling. have a fuel cap. Fully insert and latch Insert the fill nozzle slowly the fill nozzle, then begin fueling. . Keep sparks, flames, and and wait for any hiss noise to smoking materials away stop before beginning to from fuel. flow fuel. (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 261

{ Warning Warning (Continued) { Warning

Overfilling the fuel tank by more shutting off the pump or by Attempting to refuel from a than three clicks of a standard fill notifying the station attendant. portable fuel container without nozzle may cause: Leave the area immediately. using the funnel adapter may cause . Vehicle performance issues, fuel spillage and damage the including engine stalling and Filling the Tank with a Portable Fuel capless fuel system. This could damage to the fuel system. Container cause a fire. You or others could be badly burned and the vehicle could . Fuel spills. If the vehicle runs out of fuel and be damaged. . Under certain conditions, fuel must be filled from a portable fuel fires. container: 3. Remove and clean the funnel adapter and return it to the Be careful not to spill fuel. Wait storage location. five seconds after you have finished pumping before removing the fill Filling a Portable Fuel nozzle. Clean fuel from painted Container surfaces as soon as possible. See Exterior Care 0 349. Push the fuel door 1. Locate the capless funnel closed until it latches. { Warning adapter from under the carpet in the trunk. Never fill a portable fuel container { Warning 2. Insert and latch the funnel into while it is in the vehicle. Static If a fire starts while you are the capless fuel system. electricity discharge from the refueling, do not remove the fill container can ignite the fuel vapor. nozzle. Shut off the flow of fuel by You or others could be badly (Continued) (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

262 DRIVING AND OPERATING

Warning (Continued) Trailer Towing Warning (Continued) burned and the vehicle could be General Towing inadequate for the load, the vehicle damaged. To help avoid injury to Information may not stop as expected. You and you and others: others could be seriously injured. Only use towing equipment that has The vehicle may also be damaged, . Dispense fuel only into been designed for the vehicle. Contact approved containers. and the repairs would not be your dealer or trailering dealer for covered by the vehicle warranty. . Do not fill a container while assistance with preparing the vehicle Pull a trailer only if all the steps in to tow a trailer. Read the entire it is inside a vehicle, in a this section have been followed. Ask section before towing a trailer. vehicle's trunk, in a pickup your dealer for advice and bed, or on any surface other To tow a disabled vehicle, see Towing information about towing a trailer than the ground. the Vehicle 0 346. To tow the vehicle with the vehicle. . Bring the fill nozzle in behind another vehicle such as a contact with the inside of the motor home, see Recreational Vehicle fill opening before operating Towing 0 348. Driving with a Trailer the nozzle. Maintain contact Trailering is different than just driving until filling is complete. Driving Characteristics and the vehicle by itself. Trailering means . Keep sparks, flames, and Towing Tips changes in handling, acceleration, smoking materials away braking, durability, and fuel economy. from fuel. Successful, safe trailering takes correct { Warning equipment, and it has to be used . Do not use electronic devices properly. while pumping fuel. You can lose control when towing a trailer if the correct equipment is The following information has many not used or the vehicle is not driven time-tested, important trailering tips properly. For example, if the trailer and safety rules. Many of these are is too heavy or the trailer brakes are (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 263 important for your safety and that of . Vehicles can tow in D (Drive). when a trailer is towed. Use caution your passengers. Read this section If the transmission downshifts too while changing lanes when towing a carefully before pulling a trailer. often, a lower gear may be trailer. When towing a trailer: selected using M (Manual Mode). If equipped with Rear Cross Traffic See Manual Mode 0 197. . Become familiar with and follow Alert (RCTA), use caution while all state and local laws that apply If equipped, the following driver backing up when towing a trailer, as to trailer towing. These assistance features should be turned the RCTA detection zones that extend requirements vary from state to off when towing a trailer: out from the back of the vehicle do state. . Adaptive Cruise Control (ACC) not move further back when a trailer is towed. . State laws may require the use of . Super Cruise Control extended side view mirrors. Even if . Lane Keep Assist (LKA) { Warning not required, you should install extended side view mirrors if your . Park Assist To prevent serious injury or death visibility is limited or restricted . Automatic Parking Assist (APA) from carbon monoxide (CO), when while towing. . Reverse Automatic Braking (RAB) towing a trailer: . Do not tow a trailer during the . Do not drive with the liftgate, first 800 km (500 mi) of vehicle If equipped, the following driver assistance features should be turned trunk/hatch, or rear-most use to prevent damage to the window open. engine, axle, or other parts. to alert or off when towing a trailer: . Fully open the air outlets on . It is recommended to perform the . Automatic Emergency Braking (AEB) or under the instrument first oil change before heavy panel. towing. . Intelligent Brake Assist (IBA) (Continued) . During the first 800 km (500 mi) of . Front Pedestrian Braking (FPB) trailer towing, do not drive over 80 km/h (50 mph) and do not If equipped with Lane Change Alert make starts at full throttle. (LCA), the LCA detection zones that extend back from the side of the vehicle do not move further back Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

264 DRIVING AND OPERATING electric brakes, start the combination necessary to go much farther beyond Warning (Continued) moving and then manually apply the the passed vehicle before returning to trailer brake controller to check the the lane. Pass on level roadways. . Adjust the climate control trailer brakes work. During the trip, Avoid passing on hills if possible. system to a setting that occasionally check that the cargo and brings in only outside air. See trailer are secure and that the lamps Backing Up “Climate Control Systems” in and any trailer brakes are working. Hold the bottom of the steering wheel the Index. Towing with a Stability Control with one hand. To move the trailer to For more information about carbon the left, move that hand to the left. To monoxide, see Engine Exhaust System move the trailer to the right, move 0 192. When towing, the stability control that hand to the right. Always back up system might be heard. The system slowly and, if possible, have someone guide you. Towing a trailer requires experience. reacts to vehicle movement caused by The combination of the vehicle and the trailer, which mainly occurs Making Turns trailer is longer and not as responsive during cornering. This is normal when towing heavier trailers. as the vehicle itself. Get used to the Caution handling and braking of the Following Distance combination by driving on a level road Turn more slowly and make wider surface before driving on public roads. Stay at least twice as far behind the vehicle ahead as you would when arcs when towing a trailer to The trailer structure, the tires, and the driving without a trailer. This can help prevent damage to your vehicle. brakes must be all be rated to carry to avoid heavy braking and sudden Making very sharp turns could the intended cargo. Inadequate trailer turns. cause the trailer to contact the equipment can cause the combination vehicle. to operate in an unexpected or unsafe Passing manner. Before driving, inspect all More passing distance is needed when trailer hitch parts and attachments, Make wider turns than normal when towing a trailer. The combination of towing, so trailer will not go over soft safety chains, electrical connectors, the vehicle and trailer will not lamps, tires, and mirrors. See Towing shoulders, over curbs, or strike road 0 accelerate as quickly and is much Equipment 267. If the trailer has longer than the vehicle alone. It is Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 265 signs, trees, or other objects. Always Parking on Hills Leaving After Parking on a Hill signal turns well in advance. Do not 1. Apply and hold the brake pedal. steer or brake suddenly. { Warning . Start the engine. Driving on Grades To prevent serious injury or death, . Shift into a gear. Reduce speed and shift to a lower gear always park your vehicle and trailer . Release the parking brake. before starting down a long or steep on a level surface when possible. downhill grade. If the transmission is 2. Let up on the brake pedal. not shifted down, the brakes may overheat and result in reduced braking When parking your vehicle and your 3. Drive slowly until the trailer is efficiency. trailer on a hill: clear of the chocks. Vehicles can tow in D (Drive). Shift 1. Press the brake pedal, but do not 4. Stop and have someone pick up the transmission to a lower gear if the shift into P (Park) yet. Turn the and store the chocks. transmission shifts too often under wheels into the curb if facing Maintenance when Trailer heavy loads and/or hilly conditions. downhill or into traffic if facing uphill. Towing When towing at higher altitudes, The vehicle needs service more often engine coolant will boil at a lower 2. Have someone place chocks under the trailer wheels. when used to tow trailers. See temperature than at lower altitudes. Maintenance Schedule 0 359. It is If the engine is turned off immediately 3. When the wheel chocks are in especially important to check the after towing at high altitude on steep place, release the regular brakes automatic transmission fluid, engine uphill grades, the vehicle could show until the chocks absorb the load. oil, axle lubricant, belts, cooling signs similar to engine overheating. To 4. Reapply the brake pedal. Then system, and brake system before and avoid this, let the engine run, during each trip. preferably on level ground, with the apply the parking brake and shift transmission in P (Park) for a few into P (Park). Check periodically that all nuts and minutes before turning the engine off. 5. Release the brake pedal. bolts on the trailer hitch are tight. If the overheat warning comes on, see Engine Overheating 0 288. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

266 DRIVING AND OPERATING Engine Cooling when Trailer Safe trailering requires monitoring the trailer tongue weight must be Towing weight, speed, altitude, road grades, included as part of the weight the outside temperature, dimensions of vehicle is carrying. The cooling system may temporarily the front of the trailer, and how overheat during severe operating frequently the vehicle is used to tow a Maximum Trailer Weight conditions. See Engine Overheating trailer. The trailer should never weigh more 0 288. than 408 kg (900 lb) for Platinum { Warning vehicles with the 4.2L V8 engine, or Trailer Towing 454 kg (1,000 lb) for all other models. You and others could be seriously The maximum allowable weight of the Caution injured or killed if the trailer is too trailer may be lower based on the heavy or the trailer brakes are weight of the passengers and cargo in Towing a trailer improperly can inadequate for the load. The vehicle your trailer. damage the vehicle and result in may be damaged, and the repairs Trailer Load Balance costly repairs not covered by the would not be covered by the vehicle vehicle warranty. To tow a trailer warranty. The correct trailer load balance must correctly, follow the directions in be maintained to ensure trailer this section and see your dealer for Only tow a trailer if all the steps in stability. Incorrect load balance is a important information about this section have been followed. Ask leading cause of trailer sway. towing a trailer with the vehicle. your dealer for advice and information about towing a trailer. Trailer Weight Gross Vehicle Weight { Warning Rating (GVWR) For information about the vehicle's Never exceed the towing capacity maximum load capacity, see Vehicle for your vehicle. Load Limits 0 179. When calculating the GVWR with a trailer attached, the Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 267 weight is too high or too low, it may Towing Equipment be possible to rearrange some of the cargo inside of the trailer. Hitches Do not exceed the maximum Always use the correct hitch allowable tongue weight for your equipment for your vehicle. vehicle. Use the shortest hitch Crosswinds, large trucks going by, and extension available to position the rough roads can affect the trailer and hitch ball closer to your vehicle. This the hitch. will help reduce the effect of the Never attach rental hitches or other trailer tongue weight on the trailer bumper-type hitches. Only use hitch and the rear axle. frame-mounted hitches that do not If a cargo carrier is used in the trailer attach to the bumper. The trailer tongue weight (1) should hitch receiver, choose a carrier that be 10–15% of the loaded trailer Always seal any holes in your vehicle positions the load as close to the if the trailer hitch removed. If not weight (2). Some specific trailer types, vehicle as possible. Make sure the such as boat trailers, fall outside of sealed, dirt, water, and carbon total weight, including the carrier, is monoxide (CO) from the exhaust may this range. Always refer to the trailer no more than half of the maximum owner’s manual for the recommended enter your vehicle. See Engine Exhaust allowable tongue weight for the 0 192. trailer tongue weight for each trailer. vehicle or 227 kg (500 lb), whichever Never exceed the maximum loads for is less. Tires your vehicle, hitch, and trailer. Ask your dealer for trailering . Do not tow a trailer while using a After loading the trailer, separately information or assistance. compact spare tire on the vehicle. weigh the trailer and then the trailer tongue to see if the weights are . Tires must be properly inflated to appropriate for your vehicle. If the support loads while towing a 0 trailer weight is too high, it may be trailer. See Tires 315 for possible to transfer some of the cargo instructions on proper tire into your vehicle. If the trailer tongue inflation. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

268 DRIVING AND OPERATING Safety Chains both the vehicle antilock brakes and Always check all trailer tire pressures the trailer brakes may not function, before each trip when the tires are Always attach chains between the which could result in a crash. cool. Low trailer tire pressure is a vehicle and the trailer, and attach the leading cause of trailer tire blowouts. chains to the holes on the trailer hitch Trailer Lamps platform. Instructions about safety Trailer tires deteriorate over time. The chains may be provided by the hitch Always check all trailer lamps are trailer tire sidewall will show the week manufacturer or by the trailer working at the beginning of each trip, and year the tire was manufactured. manufacturer. and periodically on longer trips. Many trailer tire manufacturers recommend replacing tires more than Cross the safety chains under the Turn Signals When Towing a six years old. tongue of the trailer to help prevent Trailer the tongue from contacting the road if When properly connected, the trailer Overloading is another leading cause it becomes separated from the hitch. turn signals will illuminate to indicate of trailer tire blowouts. Never load Always leave just enough slack so the the vehicle is turning, changing lanes, your trailer with more weight than the combination can turn. Never allow or stopping. When towing a trailer, tires are designed to support. The load safety chains to drag on the ground. the arrows on the instrument cluster rating is located on the trailer tire sidewall. Trailer Brakes will illuminate even if the trailer is not properly connected or the bulbs are Always know the maximum speed State or local regulations may require burned out. rating for the trailer tires before trailers to have their own braking driving. This may be significantly system if the loaded weight of the Trailer Tires lower than the vehicle tire speed trailer exceeds certain minimums that Special Trailer (ST) tires differ from rating. The speed rating may be on can vary from state to state. Read and vehicle tires. Trailer tires are designed the trailer tire sidewall. If the speed follow the instructions for the trailer with stiff sidewalls to help prevent rating is not shown, the default trailer brakes so they are installed, adjusted, sway and to support heavy loads. tire speed rating is 105 km/h and maintained properly. Never These features can make it difficult to (65 mph). attempt to tap into your vehicle's determine if the trailer tire pressures hydraulic brake system. If you do, are low only based on a visual inspection. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/14/19

DRIVING AND OPERATING 269

Conversions and Caution Add-Ons Some electrical equipment can Add-On Electrical damage the vehicle or cause components to not work and would Equipment not be covered by the vehicle warranty. Always check with your { Warning dealer before adding electrical equipment. The Data Link Connector (DLC) is used for vehicle service and Emission Inspection/Maintenance Add-on equipment can drain the testing. See Malfunction Indicator vehicle's 12-volt battery, even if the vehicle is not operating. Lamp (Check Engine Light) 0 123. 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 75 and This could affect vehicle operation Adding Equipment to the 0 and cause a crash. Such devices Airbag-Equipped Vehicle 76. may also access information stored in the vehicle’s systems. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

270 VEHICLE CARE Battery - North America ...... 292 Tire Designations ...... 319 Vehicle Care All-Wheel Drive ...... 293 Tire Terminology and Starter Switch Check ...... 294 Definitions ...... 320 General Information Park Brake and P (Park) Tire Pressure ...... 322 Mechanism Check ...... 294 Tire Pressure for High-Speed General Information ...... 271 Wiper Blade Replacement ...... 295 Operation ...... 324 California Proposition Windshield Replacement ...... 295 Tire Pressure Monitor System . . . 324 65 Warning ...... 271 Gas Strut(s) ...... 296 Tire Pressure Monitor California Perchlorate Materials Operation ...... 325 Requirements ...... 272 Headlamp Aiming Tire Inspection ...... 329 Accessories and Front Headlamp Aiming ...... 297 Tire Rotation ...... 329 Modifications ...... 272 Bulb Replacement When It Is Time for New Vehicle Checks Bulb Replacement ...... 297 Tires ...... 330 Doing Your Own LED Lighting ...... 297 Buying New Tires ...... 331 Service Work ...... 272 Different Size Tires and Hood ...... 273 Electrical System Wheels ...... 333 Engine Compartment Electrical System Overload ...... 298 Uniform Tire Quality Grading . . . 333 Overview ...... 274 Fuses and Circuit Breakers ...... 298 Wheel Alignment and Tire Engine Oil ...... 277 Engine Compartment Fuse Balance ...... 334 Engine Oil Life System ...... 280 Block ...... 299 Wheel Replacement ...... 335 Automatic Transmission Instrument Panel Fuse Block . . . . 306 Tire Chains ...... 335 Fluid ...... 281 Rear Compartment Fuse If a Tire Goes Flat ...... 336 Engine Air Filter Life System . . . . 281 Block ...... 308 Tire Changing ...... 337 Compact Spare Tire ...... 342 Engine Air Cleaner/Filter ...... 282 Wheels and Tires Cooling System ...... 284 Tires ...... 315 Jump Starting Engine Overheating ...... 288 All-Season Tires ...... 316 Jump Starting - North Washer Fluid ...... 289 Winter Tires ...... 316 America ...... 343 Brakes ...... 290 Low-Profile Tires ...... 317 Brake Pad Life System ...... 291 Summer Tires ...... 317 Brake Fluid ...... 291 Tire Sidewall Labeling ...... 317 Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

VEHICLE CARE 271 Towing the Vehicle General Information California Proposition Towing the Vehicle ...... 346 65 Warning Recreational Vehicle Towing . . . . 348 For service and parts needs, visit your dealer. You will receive genuine GM Appearance Care parts and GM-trained and supported { Warning Exterior Care ...... 349 service people. Interior Care ...... 353 Most motor vehicles, including this Floor Mats ...... 356 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 0 292 and Jump Starting - North America 0 343 and the back cover. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

272 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 electronic keys, installation or use of non-GM certified { Warning may contain perchlorate materials. parts, including control module or Perchlorate Material – special software modifications, is not covered It can be dangerous to work on handling may apply. See under the terms of the vehicle your vehicle if you do not have the www.dtsc.ca.gov/hazardouswaste/ warranty and may affect remaining proper knowledge, service manual, perchlorate. warranty coverage for affected parts. tools, or parts. Always follow owner’s manual procedures and GM Accessories are designed to Accessories and consult the service manual for your complement and function with other Modifications systems on the vehicle. See your vehicle before doing any service work. Adding non-dealer accessories or dealer to accessorize the vehicle using making modifications to the vehicle genuine GM Accessories installed by a can affect vehicle performance and dealer technician. If doing some of your own service safety, including such things as Also, see Adding Equipment to the work, use the proper service manual. airbags, braking, stability, ride and Airbag-Equipped Vehicle 0 76. It tells you much more about how to handling, emissions systems, service the vehicle than this manual aerodynamics, durability, and can. To order the proper service electronic systems like antilock manual, see Publication Ordering brakes, traction control, and stability Information 0 385. control. These accessories or This vehicle has an airbag system. modifications could even cause Before attempting to do your own malfunction or damage not covered by service work, see Servicing the the vehicle warranty. Airbag-Equipped Vehicle 0 75. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

VEHICLE CARE 273 If equipped with remote vehicle start, To close the hood: { Warning open the hood before performing any 1. Before closing the hood, be sure service work to prevent remote Components under the hood can all filler caps are on properly, starting the vehicle accidentally. See and all tools are removed. Remote Vehicle Start 0 17. get hot from running the engine. To help avoid the risk of burning 2. Pull the hood down until the Keep a record with all parts receipts unprotected skin, never touch these strut system is no longer holding and list the mileage and the date of components until they have cooled, up the hood. any service work performed. See and always use a glove or towel to Maintenance Records 0 371. 3. Allow the hood to fall. Check to avoid direct skin contact. make sure the hood is latched Caution completely. Repeat this process Clear any snow from the hood before with additional force if necessary. Even small amounts of opening. contamination can cause damage to To open the hood: { Warning vehicle systems. Do not allow contaminants to contact the fluids, 1. Pull the hood release handle with Do not drive the vehicle if the hood reservoir caps, or dipsticks. the i symbol. It is on the is not latched completely. The hood lower left side of the instrument could open fully, block your vision, panel between the door and the and cause a crash. You or others Hood steering wheel. Release the could be injured. Always close the handle, then pull the handle hood completely before driving. { Warning again to fully release the hood. 2. After you have partially lifted the For vehicles with auto engine stop/ hood, the gas strut system will start, turn the vehicle off before automatically lift the hood and opening the hood. If the vehicle is hold it in the fully open position. on, the engine will start when the hood is opened. You or others could be injured. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

274 VEHICLE CARE Engine Compartment Overview

3.6L V6 Engine Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

VEHICLE CARE 275 1. Engine Coolant Surge Tank and Pressure Cap. See Cooling System 0 284. 2. Engine Air Cleaner/Filter 0 282. 3. Engine Cooling Fan (Out of View). See Cooling System 0 284. 4. Engine Oil Fill Cap. See Engine Oil 0 277. 5. Engine Oil Dipstick. See Engine Oil 0 277. 6. Remote Positive (+) Battery Terminal. See Jump Starting - North America 0 343. 7. Engine Compartment Fuse Block 0 299. 8. Brake Fluid Reservoir. See Brake Fluid 0 291. 9. Windshield Washer Fluid Reservoir. See Washer Fluid 0 289. 10. Remote Negative (-) Battery Terminal. See Jump Starting - North America 0 343. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

276 VEHICLE CARE

4.2L V8 Engine Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

VEHICLE CARE 277 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 0 289. Life System 0 280. 0 299. 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 0 299. Used Oil” in this section. 0 284. 12. Remote Negative (-) Battery Checking Engine Oil 3. Passenger Side Engine Air Terminal. See Jump Starting - Cleaner/Filter. See Engine Air North America 0 343. Check the engine oil level regularly, Cleaner/Filter 0 282. 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 0 277. To ensure proper engine performance Compartment Overview 0 274 for the 5. Engine Oil Dipstick. See Engine and long life, careful attention must location. Oil 0 277. 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 0 284. . 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 282. “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 343. 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 0 291. “When to Add Engine Oil” later in this section. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

278 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 4.2L V8 Twin Turbo (LTA) Engine operating range (i.e., the engine has incorrect readings. Accuracy 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, 3.6L V6 (LGX) Engine professional to remove the or at least 30 minutes if the excess oil. engine is not warm. Pull out the If the oil is below the cross-hatched dipstick, wipe it with a clean paper area at the tip of the dipstick and the towel or cloth, then push it back engine has been off for at least See Engine Compartment Overview in all the way. Remove it again, 15 minutes, add 1 L (1 qt) of the 0 274 for the location of the engine oil keeping the tip down, and check recommended oil and then recheck fill cap. the level. the level. See “Selecting the Right Add enough oil to put the level Engine Oil” later in this section for an somewhere in the proper operating explanation of what kind of oil to use. range. Push the dipstick all the way For engine oil crankcase capacity, see back in when through. Capacities and Specifications 0 373. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

VEHICLE CARE 279 Selecting the Right Engine Oil Viscosity Grade Engine oils that have been approved (3.6L V6 Engine) Use SAE 5W-30 viscosity grade engine by GM as meeting the dexos2 oil. Cold Temperature Operation: In an specification are marked with the Selecting the right engine oil depends dexos2 approved logo. on both the proper oil specification area of extreme cold, where the and viscosity grade. See Recommended temperature falls below −29 °C Fluids and Lubricants 0 368. (−20 °F), an SAE 0W-30 oil may be used. An oil of this viscosity grade will Specification provide easier cold starting for the Use full synthetic engine oils that engine at extremely low temperatures. meet the dexos1 specification. Engine When selecting an oil of the oils that have been approved by GM appropriate viscosity grade, it is as meeting the dexos1 specification recommended to select an oil of the Caution are marked with the dexos1 approved correct specification. See logo. See www.gmdexos.com. “Specification” earlier in this section. Failure to use the recommended Selecting the Right Engine Oil engine oil or equivalent can result (4.2L V8 Twin Turbo (LTA) in engine damage not covered by Engine) the vehicle warranty. Selecting the right engine oil depends Viscosity Grade on both the proper oil specification and viscosity grade. See Recommended Use SAE 0W-40 viscosity grade Fluids and Lubricants 0 368. engine oil. Caution Specification When selecting an oil of the Failure to use the recommended appropriate viscosity grade, it is Use engine oils that meet the dexos2 recommended to select an oil of the engine oil or equivalent can result specification. in engine damage not covered by correct specification. See the vehicle warranty. “Specification” earlier in this section. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

280 VEHICLE CARE Engine Oil Additives/Engine Oil dispose of oil by putting it in the trash the oil life system might indicate that Flushes or pouring it on the ground, into an oil change is not necessary for up sewers, or into streams or bodies of to a year. The engine oil and filter Do not add anything to the oil. The water. Recycle it by taking it to a place must be changed at least once a year recommended oils meeting the dexos that collects used oil. and at this time the system must be specification are all that is needed for reset. Your dealer has trained service good performance and engine Engine Oil Life System people who will perform this work and protection. reset the system. It is also important Engine oil system flushes are not When to Change Engine Oil to check the oil regularly over the recommended and could cause engine This vehicle has a computer system course of an oil drain interval and damage not covered by the vehicle that indicates when to change the keep it at the proper level. warranty. engine oil and filter. This is based on a If the system is ever reset accidentally, What to Do with Used Oil combination of factors which include the oil must be changed at 5 000 km engine revolutions, engine (3,000 mi) since the last oil change. Used engine oil contains certain temperature, and miles driven. Based Remember to reset the oil life system elements that can be unhealthy for on driving conditions, the mileage at whenever the oil is changed. your skin and could even cause which an oil change is indicated can cancer. Do not let used oil stay on vary considerably. For the oil life How to Reset the Engine Oil Life your skin for very long. Clean your system to work properly, the system System skin and nails with soap and water, must be reset every time the oil is Reset the system whenever the engine or a good hand cleaner. Wash or changed. oil is changed so that the system can properly dispose of clothing or rags calculate the next engine oil change. containing used engine oil. See the When the system has calculated that To reset the system: manufacturer's warnings about the oil life has been diminished, it use and disposal of oil products. indicates that an oil change is 1. Using the DIC buttons, display necessary. A CHANGE ENGINE OIL REMAINING OIL LIFE on the Used oil can be a threat to the SOON message comes on. Change the DIC. See Driver Information Center environment. If you change your own oil as soon as possible within the next (DIC) 0 132. oil, be sure to drain all the oil from 1 000 km (600 mi). It is possible that, the filter before disposal. Never if driving under the best conditions, Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

VEHICLE CARE 281 2. Press and hold SEL to clear the If the CHANGE ENGINE OIL SOON CHANGE ENGINE OIL SOON message comes back on when the Caution message and reset the oil life vehicle is started, the engine oil life at 100%. system has not been reset. Repeat the Use of the incorrect automatic procedure. transmission fluid may damage the Be careful not to reset the oil life vehicle, and the damage may not be display accidentally at any time Automatic Transmission covered by the vehicle warranty. other than after the oil is Always use the correct automatic changed. It cannot be reset Fluid transmission fluid. See accurately until the next oil Recommended Fluids and Lubricants change. How to Check Automatic Transmission Fluid 0 368. The oil life system can also be reset as follows: It is not necessary to check the transmission fluid level. Change the fluid and filter at the 1. Using the DIC buttons, display A transmission fluid leak is the only intervals listed in Maintenance 0 REMAINING OIL LIFE on the reason for fluid loss. If a leak occurs, Schedule 359, and be sure to use the DIC. See Driver Information Center take the vehicle to your dealer and fluid listed in Recommended Fluids and 0 0 (DIC) 132. have it repaired as soon as possible. Lubricants 368. 2. Fully press and release the The vehicle is not equipped with a Engine Air Filter Life accelerator pedal three times transmission fluid level dipstick. within five seconds. There is a special procedure for System If the CHANGE ENGINE OIL checking and changing the If equipped, this feature provides the SOON message is not on, the transmission fluid. Because this engine air filter's remaining life and system is reset. procedure is difficult, this should be best timing for a change. The timing The system is reset when the done at the dealer. Contact your dealer to change an engine air filter depends CHANGE ENGINE OIL SOON message for additional information. on driving and environmental is off. conditions. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

282 VEHICLE CARE When to Change the Engine Air To reset: When to Inspect the Engine Air Filter 1. Place the vehicle in P (Park). Cleaner/Filter When the Driver Information Center 2. Display the Air Filter Life on the . For intervals on changing and (DIC) displays a message to replace DIC. See Driver Information Center inspecting the engine air cleaner/ the engine air filter at the next oil (DIC) 0 132. filter, see Maintenance Schedule change, follow this timing. 0 359. 3. Press T on the steering wheel to When the DIC displays a message to . If equipped with Engine Air Filter move to the Reset/Disable replace the engine air filter soon, Life System, see Engine Air Filter display area. Select Reset, then replace the engine air filter at the Life System 0 281. press SEL. earliest convenience. . If driving in very dusty areas, 4. Press SEL to confirm the reset. The system must be reset after the follow the engine air filter engine air filter is changed. inspecting and changing intervals, Engine Air Cleaner/Filter 0 If the DIC displays a message to check see Maintenance Schedule 359. the engine air filter system, see your The engine air cleaner/filter is in the How to Inspect/Replace the dealer. engine compartment. See Engine Compartment Overview 0 274. Engine Air Cleaner/Filter How to Reset Engine Air Filter Do not start the engine or have the Life System engine running with the engine air Reset the system whenever the engine cleaner/filter housing open. Before air filter is replaced so that the system removing the engine air cleaner/filter, can calculate the next engine air filter make sure that the engine air cleaner/ change. filter housing and nearby components are free of dirt and debris. Do not clean the engine air cleaner/filter or components with water or compressed air. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

VEHICLE CARE 283 To inspect or replace the engine air 5. Inspect or replace the engine air 1. Remove the three bolts (2) and cleaner/filter: cleaner/filter. the diagonal brace (1). 6. Reverse Steps 1–4 to reinstall the 2. Remove the four screws (3) on engine air cleaner/filter cover top of the engine air cleaner/ and diagonal brace. filter cover. 7. If equipped, reset the engine air 3. Lift the engine air cleaner/filter filter life system after replacing cover open on the hinge. the engine air filter. See Engine 0 4. Lift and remove the engine air Air Filter Life System 281. cleaner/filter. 5. Inspect or replace the engine air cleaner/filter. 6. Reverse Steps 1–4 to reinstall the 3.6L V6 Engine engine air cleaner/filter cover and diagonal brace. 1. Screws (6) 7. If equipped, reset the engine air 2. Bolts (3) filter life system after replacing 3. Diagonal Brace the engine air filter. See Engine Air Filter Life System 0 281. 1. Remove the three bolts (2) and the diagonal brace (3). 2. Remove the six screws (1) on top 4.2L V8 Engine (Driver Side) of the engine air cleaner/filter cover. 1. Diagonal Brace 2. Bolts (3) 3. Lift the engine air cleaner/filter cover open on the hinge. 3. Screws (4) 4. Lift and remove the engine air cleaner/filter. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

284 VEHICLE CARE 6. Reverse Steps 1–4 to reinstall the Cooling System engine air cleaner/filter cover and diagonal brace. The cooling system allows the engine to maintain the correct working 7. If equipped, reset the engine air temperature. filter life system after replacing the engine air filter. See Engine Air Filter Life System 0 281.

{ Warning

Operating the engine with the air cleaner/filter off can cause you or 4.2L V8 Engine (Passenger Side) others to be burned. Use caution 1. Screws (4) when working on the engine. Do not start the engine or drive the 2. Bolts (3) vehicle with the air cleaner/filter 3. Diagonal Brace off, as flames may be present if the 3.6L V6 Engine 1. Remove the three bolts (2) and engine backfires. the diagonal brace (3). 1. Engine Coolant Surge Tank 2. Remove the four screws (1) on and Pressure Cap (Under top of the engine air cleaner/ Caution Cover) filter cover. 2. Engine Cooling Fan (Out 3. Lift the engine air cleaner/filter If the air cleaner/filter is off, dirt of View) cover open on the hinge. can easily get into the engine, 4. Lift and remove the engine air which could damage it. Always have cleaner/filter. the air cleaner/filter in place when driving. 5. Inspect or replace the engine air cleaner/filter. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

VEHICLE CARE 285 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 indicated mark on the middle of the appropriate intervals. See Maintenance tank. If it is not, the vehicle may have Schedule 0 359. 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 0 288. 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-13566829) - 2020 - CRC - 6/11/19

286 VEHICLE CARE Use a 50/50 mixture of clean, Never dispose of engine coolant by The coolant surge tank is in the drinkable water and DEX-COOL putting it in the trash, pouring it on engine compartment on the passenger coolant. If using this mixture, nothing the ground, or into sewers, streams, side of the vehicle. See Engine else needs to be added. This mixture: or bodies of water. Have the coolant Compartment Overview 0 274. . Gives freezing protection down to changed by an authorized service Check to see if coolant is visible in the −37 °C (−34 °F), outside center, familiar with legal coolant surge tank. If the coolant temperature. requirements regarding used coolant inside the coolant surge tank is disposal. This will help protect the . Gives boiling protection up to boiling, do not do anything else until environment and your health. it cools down. See Engine Overheating 129 °C (265 °F), engine 0 temperature. Checking Coolant 288. . Protects against rust and The vehicle must be on a level surface How to Add Coolant to the corrosion. when checking the coolant level. Coolant Surge Tank . Will not damage aluminum parts. If no problem is found, check to see if coolant is visible in the coolant surge . Helps keep the proper engine tank. If coolant is visible but not at or temperature. above the indicated mark, add a 50/50 mixture of clean, drinkable Caution water and DEX-COOL coolant. Be sure the cooling system, including the Do not use anything other than a coolant surge tank pressure cap, is mix of DEX-COOL coolant that cool before this is done. See Engine meets GM Standard GMW3420 and Overheating 0 288. clean, drinkable water. Anything else can cause damage to the engine cooling system and the 3.6L V6 and 4.2L V8 Engine Coolant vehicle, which would not be covered Surge Tank by the vehicle warranty. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

VEHICLE CARE 287 will allow any pressure still left { Warning Caution to be vented out the discharge hose. Spilling coolant on hot engine parts Failure to follow the specific can burn you. Coolant contains coolant fill procedure could cause 2. Keep turning the pressure cap ethylene glycol and it will burn if the engine to overheat and could slowly and remove it. the engine parts are hot enough. cause system damage. If coolant is 3. Fill the coolant surge tank with not visible in the surge tank, the proper mixture to the contact your dealer. indicated level mark. { Warning 4. With the coolant surge tank 3.6L V6 Engine pressure cap off, start the engine Steam and scalding liquids from a and let it run until you can feel hot cooling system are under the upper radiator hose getting pressure. Turning the pressure cap, hot. Watch out for the engine even a little, can cause them to cooling fan. come out at high speed and you By this time, the coolant level could be burned. Never turn the cap inside the coolant surge tank when the cooling system, including may be lower. If the level is the pressure cap, is hot. Wait for 1. Remove the coolant surge tank lower, add more of the proper the cooling system and pressure pressure cap when the cooling mixture to the coolant surge cap to cool. system, including the coolant tank until the level reaches the surge tank pressure cap and indicated level mark. upper radiator hose, is no 5. Replace the pressure cap tightly. longer hot. 6. Verify coolant level after the Turn the pressure cap slowly engine is shut off and the counterclockwise about coolant is cold. If necessary, one-quarter of a turn. If you hear repeat coolant fill procedure a hiss, wait for that to stop. This Steps 1–6. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

288 VEHICLE CARE If the coolant still is not at the Engine Overheating proper level when the system Caution cools down again, see your The vehicle has several indicators to dealer. warn of the engine overheating. Do not run the engine if there is a leak in the engine cooling system. There is an engine coolant This can cause a loss of all coolant Caution temperature gauge and an engine coolant temperature warning light on and can damage the system and If the pressure cap is not tightly the instrument cluster. See Engine vehicle. Have any leaks fixed installed, coolant loss and engine Coolant Temperature Gauge 0 119 and right away. damage may occur. Be sure the cap Engine Coolant Temperature Warning is properly and tightly secured. Light 0 129. The vehicle may also If Steam Is Coming from the display a message on the Driver Engine Compartment Information Center (DIC). 4.2L V8 Engine Only If the decision is made not to lift the { Warning Caution hood when this warning appears, get service help right away. See Roadside Steam and scalding liquids from a 0 This vehicle has a specific coolant Service 380. hot cooling system are under fill procedure. Failure to follow this If the decision is made to lift the pressure. Turning the pressure cap, procedure could cause the engine to hood, make sure the vehicle is parked even a little, can cause them to overheat and be severely damaged. on a level surface. Then check to see if come out at high speed and you See your dealer for assistance. the engine cooling fan is running. could be burned. Never turn the cap If the engine is overheating, the fan when the cooling system, including should be running. If it is not, do not the pressure cap, is hot. Wait for Because of possible engine failure or continue to run the engine. Have the the cooling system and pressure damage if performed without the vehicle serviced. cap to cool. proper tools and information, engine coolant should only be added by a qualified technician. See your dealer. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

VEHICLE CARE 289 If No Steam Is Coming from the Continue to drive the vehicle slowly Adding Washer Fluid Engine Compartment for about 10 minutes. Keep a safe distance from the vehicle in front. If an engine overheat warning is If the warning does not come back on, displayed but no steam can be seen or continue to drive normally and have heard, the problem may not be too the cooling system checked for proper serious. Sometimes the engine can get fill and function. a little too hot when the vehicle: If the warning continues, pull over, . Climbs a long hill on a hot day stop, and park the vehicle right away. Open the cap with the washer symbol . Stops after high-speed driving If there is no sign of steam, idle the on it. Add washer fluid until the tank is full. See Engine Compartment . Idles for long periods in traffic engine for three minutes while parked. 0 If the warning is still displayed, turn Overview 274 for reservoir location. If the overheat warning is displayed off the engine until it cools down. with no sign of steam: Caution 1. Turn the air conditioning off. Washer Fluid . Do not use washer fluid that 2. Turn the heater on to the highest What to Use contains any type of water temperature and to the highest repellent coating. This can fan speed. Open the windows as When windshield washer fluid is cause the wiper blades to necessary. needed, be sure to read the chatter or skip. manufacturer's instructions before 3. When it is safe to do so, pull off . Do not use engine coolant the road, shift to P (Park) or use. If operating the vehicle in an area where the temperature may fall below (antifreeze) in the windshield N (Neutral), and let the washer. It can damage the engine idle. freezing, use a fluid that has sufficient protection against freezing. windshield washer system If the engine coolant temperature and paint. gauge is no longer in the overheated (Continued) 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-13566829) - 2020 - CRC - 6/11/19

290 VEHICLE CARE heard all the time when the vehicle is inspect brake pads for wear and Caution (Continued) moving, except when applying the evenly tighten wheel nuts in the brake pedal firmly. proper sequence to torque . Do not mix water with specifications. See Capacities and ready-to-use washer fluid. Specifications 0 373. Water can cause the solution { Warning to freeze and damage the Brake pads should always be replaced The brake wear warning sound washer fluid tank and other as complete axle sets. parts of the washer system. means that soon the brakes will not work well. That could lead to a Brake Pedal Travel . When using concentrated crash. When the brake wear See your dealer if the brake pedal does washer fluid, follow the warning sound is heard, have the not return to normal height, or if manufacturer instructions for vehicle serviced. there is a rapid increase in pedal adding water. travel. This could be a sign that brake . Fill the washer fluid tank only service may be required. three-quarters full when it is very cold. This allows for Caution Replacing Brake System Parts fluid expansion if freezing Continuing to drive with worn-out Always replace brake system parts occurs, which could damage with new, approved replacement parts. the tank if it is brake pads could result in costly brake repair. If this is not done, the brakes may not completely full. work properly. The braking performance expected can change in Some driving conditions or climates many other ways if the wrong Brakes can cause a brake squeal when the replacement brake parts are installed Disc brake pads have built-in wear brakes are first applied or lightly or if parts are improperly installed. indicators that make a high-pitched applied. This does not mean warning sound when the brake pads something is wrong with the brakes. Electric Brake Boost are worn and new pads are needed. Properly torqued wheel nuts are If equipped, this vehicle may have an The sound can come and go or can be necessary to help prevent brake electrically boosted power braking pulsation. When tires are rotated, system. The system works with the Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

VEHICLE CARE 291 Antilock Brake System (ABS) and the sensors are installed, a message will are worn can still determine when the Brake Assist system to aid the driver display. Follow the prompts to reset pads should be replaced. See Brakes during various braking situations. See the system. 0 290. 0 Antilock Brake System (ABS) 199. The brake pad life system can also be To turn off the brake pad life system: Brake Pad Life System manually reset: 1. Display Brake Pad Life on the 1. Display Brake Pad Life on the DIC. See Driver Information Center When to Change Brake Pads DIC. See Driver Information Center (DIC) 0 132. (DIC) 0 132. If equipped, this system estimates the 2. Select DISABLE. remaining life of the front and rear 2. Press and hold SEL. Select front To turn the brake pad life system back brake pads. Brake pad life is displayed or rear pads as appropriate. on, follow the above steps but select in the Driver Information Center 3. Select YES on the confirmation ENABLE in Step 2. (DIC), along with a percentage for message. Repeat for pads on the each axle. The system must be reset other axle if they were also Brake Fluid every time the brake pads are replaced. changed. When the system has determined that How to Disable the Brake Pad the brake pads need to be replaced, a Life System message will display, which may The brake pad life system can be include mileage remaining. turned off. This may be necessary if Brake pads should always be replaced aftermarket brake pads without wear as complete axle sets. sensors are installed. When the The brake master cylinder reservoir is system is turned off, the front and How to Reset the Brake Pad Life filled with GM approved DOT 3 brake rear brake pad life percentages will fluid as indicated on the reservoir cap. System not display. However, the built-in wear See Engine Compartment Overview indicators that make a high-pitched The system will automatically detect 0 274 for the location of the reservoir. warning sound when the brake pads when significantly worn brake pads are replaced. When the ignition is turned on after new pads and wear Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

292 VEHICLE CARE Checking Brake Fluid { Warning { Warning With the vehicle in P (Park) on a level surface, the brake fluid level should be If too much brake fluid is added, it The wrong or contaminated brake between the minimum and maximum can spill on the engine and burn, fluid could result in damage to the marks on the brake fluid reservoir. if the engine is hot enough. You or brake system. This could result in There are only two reasons why the others could be burned, and the the loss of braking leading to a brake fluid level in the reservoir may vehicle could be damaged. Add possible injury. Always use the go down: brake fluid only when work is done proper GM approved brake fluid. . Normal brake lining wear. When on the brake hydraulic system. new linings are installed, the fluid level goes back up. When the brake fluid falls to a low Caution . A fluid leak in the brake hydraulic level, the brake warning light comes system. Have the brake hydraulic on. See Brake System Warning Light If brake fluid is spilled on the 0 system fixed. With a leak, the 125. vehicle's painted surfaces, the paint brakes will not work well. Brake fluid absorbs water over time finish can be damaged. Immediately wash off any painted surface. Always clean the brake fluid reservoir which degrades the effectiveness of cap and the area around the cap the brake fluid. Replace brake fluid at before removing it. the specified intervals to prevent Battery - North America increased stopping distance. See Do not top off the brake fluid. Adding Maintenance Schedule 0 359. The original equipment battery is fluid does not correct a leak. If fluid is maintenance free. Do not remove the What to Add added when the linings are worn, cap and do not add fluid. there will be too much fluid when Use only GM approved DOT 3 brake The battery is in the trunk under the new brake linings are installed. Add or fluid from a clean, sealed container. spare tire. Refer to the replacement remove fluid, as necessary, only when See Recommended Fluids and number shown on the original battery work is done on the brake hydraulic Lubricants 0 368. system. label when a new 12-volt battery is needed. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

VEHICLE CARE 293 The vehicle has an Absorbed Glass Extended Storage: Remove the 12-volt Mat (AGM) 12-volt battery. Warning (Continued) battery black, negative (−) cable from Installation of a standard 12-volt the battery or use a battery trickle battery will result in reduced 12-volt chemicals known to the State of charger. battery life. California to cause cancer. WASH HANDS AFTER HANDLING. For Remember to reconnect the battery When using a 12-volt battery charger more information go to when ready to drive the vehicle. on the 12-volt AGM battery, some www.P65Warnings.ca.gov/ chargers have an AGM battery setting passenger-vehicle. All-Wheel Drive on the charger. If available, use the AGM setting on the charger, to limit If the vehicle is equipped with charge voltage to 14.8 volts. See California Proposition 65 Warning All-Wheel Drive (AWD), this is an 0 271 and the back cover. additional system that needs Stop/Start System lubrication. Vehicle Storage The vehicle is equipped with a Stop/ Transfer Case Start system to shut off the engine to help conserve fuel. See Stop/Start { Warning When to Check Lubricant System 0 186. Batteries have acid that can burn It is not necessary to regularly check the transfer case fluid unless a leak is you and gas that can explode. You { Warning suspected or an unusual noise is can be badly hurt if you are not heard. A fluid loss could indicate a WARNING: Battery posts, careful. See Jump Starting - North 0 problem. Have it inspected and terminals, and related accessories America 343 for tips on working repaired. contain lead and lead compounds, around a battery without chemicals known to the State of getting hurt. California to cause cancer and birth defects or other reproductive harm. Infrequent Usage: Remove the 12-volt Batteries also contain other battery black, negative (−) cable from (Continued) the battery to keep the battery from running down. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

294 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 368. { 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-13566829) - 2020 - CRC - 6/11/19

VEHICLE CARE 295 . 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 0 369. 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 slightly 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-13566829) - 2020 - CRC - 6/11/19

296 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 0 359. 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-13566829) - 2020 - CRC - 6/11/19

VEHICLE CARE 297 Headlamp Aiming Bulb Replacement For the proper type of replacement Front Headlamp Aiming bulbs, or any bulb changing procedure Headlamp aim has been preset and not listed in this section, contact your should need no further adjustment. dealer. If the vehicle is damaged in a crash, the headlamp aim may be affected. Caution If adjustment to the headlamps is Do not replace incandescent bulbs necessary, see your dealer. 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-13566829) - 2020 - CRC - 6/11/19

298 VEHICLE CARE Electrical System Headlamp Wiring linkage damage. Always clear ice and heavy snow from the windshield An electrical overload may cause the before using the windshield wipers. Electrical System Overload lamps to go on and off, or in some cases to remain off. Have the If the overload is caused by an The vehicle has fuses and circuit headlamp wiring checked right away if electrical problem and not snow or breakers to protect against an the lamps go on and off or remain off. ice, be sure to get it fixed. electrical system overload. When the current electrical load is too Windshield Wipers Fuses and Circuit Breakers heavy, the circuit breaker opens and If the wiper motor overheats due to The wiring circuits in the vehicle are closes, protecting the circuit until the heavy snow or ice, the windshield protected from short circuits by a current load returns to normal or the wipers will stop. Wiper function is combination of fuses and circuit problem is fixed. This greatly reduces available immediately after the wiper breakers. This greatly reduces the the chance of circuit overload and fire switch is set to off, and back to on. chance of damage caused by electrical caused by electrical problems. To protect the wiper motor from problems. Fuses and circuit breakers protect overheating, the wipers may slow power devices in the vehicle. down when the windshield is dry for a { Danger Replace a bad fuse with a new one of long period of time. If a period of dry the identical size and rating. operation, or little moisture, exceeds Fuses and circuit breakers are 10 minutes, the wipers may switch to marked with their ampere rating. If there is a problem on the road and intermittent operation, and remain Do not exceed the a fuse needs to be replaced, the there. When moisture is again specified amperage rating when same amperage fuse can be borrowed. detected on the windshield, wiper replacing fuses and circuit breakers. Choose some feature of the vehicle operation will return to the operator Use of an oversized fuse or circuit that is not needed to use and replace selected speed. it as soon as possible. breaker can result in a vehicle fire. Although the circuit is protected from You and others could be seriously electrical overload, overload due to injured or killed. heavy snow or ice may cause wiper Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

VEHICLE CARE 299 To check a fuse, look at the The vehicle may not be equipped with silver-colored band inside the fuse. all of the fuses and relays shown. If the band is broken or melted, replace the fuse. Be sure to replace a Caution bad fuse with a new one of the identical size and rating. Spilling liquid on any electrical Fuses of the same amperage can be component on the vehicle may temporarily borrowed from another damage it. Always keep the covers fuse location, if a fuse goes out. on any electrical component. Replace the fuse as soon as possible. Engine Compartment Fuse Block Lift the fuse block cover to access the fuses. 3.6L Engines This fuse block is on the driver side of the engine compartment. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

300 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 Fuses Usage Fuses Usage 23 – 1 – 3 – 24 Cabin heater pump 2 – 4 – Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

VEHICLE CARE 301

Fuses Usage Fuses Usage Fuses Usage 26 Engine control 39 Non walk 57 – module ignition 40 Electric brake control 58 – 27 Steering column lock module1/Instrument 59 – ignition cluster/central 60 Antilock brake 28 Rear heated seats gateway module ignition system pump/Electric ignition brake control – 29 Front heated seats 41 module – 1 ignition 42 Fuel tank zone 61 Front wiper – module/Ignition 30 62 Headlamp leveling 43 Heated steering 31 Headlamp/Daytime 63 – running lamps/Right wheel module/ headlamp Reflective light aux 64 – display/HVAC IGN/ 32 – Automatic occupant 66 Transfer case control module 33 – sensing display 67 – 34 – 44 Aeroshutter 68 – 35 Engine control 45 Washer module ignition – 2 46 Front short range 69 – 36 Engine control radar sensors 70 – module ignition – 1 47 Left cornering LED 71 Antilock brake 37 Coolant pump/ 54 – system valve Ignition coils – odd 55 – 72 – 38 Ignition coils – even/ – 73 – Non walk 2 56 Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

302 VEHICLE CARE

Relays Usage 4.2L Engine The vehicle may not be equipped with all of the fuses and relays shown. 14 Air conditioning The 4.2L engine has an underhood control fuse block on each side of the engine compartment. Caution 15 Starter motor Spilling liquid on any electrical 16 Starter pinion component on the vehicle may 17 Run/Crank damage it. Always keep the covers 19 – on any electrical component. 20 High-beam headlamp 25 Cabin heater pump 48 – 49 – 50 Engine control module Driver Side Fuse Block 51 Wiper speed Lift the fuse block cover to access the 52 Wiper control fuses. 53 Headlamp control 65 – Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

VEHICLE CARE 303

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 – Fuses Usage Fuses Usage F18 – F1 – F7 Front wiper F19 – F2 – F8 – F20 – F3 – F9 Instrument cluster/ F21 Heated steering wheel module/ F4 – Electric brake control module 1/Central Reflective light aux F5 High-beam gateway module display/HVAC IGN/ headlamps left/right ignition Automatic occupant sensing display F6 – F10 – Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

304 VEHICLE CARE

Fuses Usage The 8-cylinder engine has an The vehicle may not be equipped with underhood fuse block on each side of all of the fuses and relays shown. F22 Electric steering the engine compartment. column lock ignition Caution F23 Washer Spilling liquid on any electrical F24 Left cornering LED component on the vehicle may F25 – damage it. Always keep the covers F26 – on any electrical component. F27 – F28 – F29 Electric brake control module – 1 Passenger Side Fuse Block Relays Usage R1 – Lift the fuse block cover to access the fuses. R2 – R3 – R4 High-beam headlamp R5 Wiper control R6 Wiper speed R7 Run/Crank R8 – Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

VEHICLE CARE 305

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-13566829) - 2020 - CRC - 6/11/19

306 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-13566829) - 2020 - CRC - 6/11/19

VEHICLE CARE 307

Fuses Usage F10 Body control module 4 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 Fuses Usage Fuses Usage F19 – F1 Auxiliary power F6 Electric steering F20 – outlet front console column lock F21 – F2 Visor F7 Glove box door F22 – F3 Front blower F8 Front heated seat F23 Central gateway F4 Body control module module module 8 F9 Sensing and F24 Center stack module/ F5 Steering column diagnostic module Infotainment switch module Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

308 VEHICLE CARE

Fuses Usage Rear Compartment Fuse F25 Video processing Block module night vision F26 Steering wheel controls F27 USB charge port F28 Wireless charger F29 – F30 Speaker

The rear compartment fuse block is behind a cover on the passenger side. The vehicle may not be equipped with all of the fuses, relays, and features shown. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

VEHICLE CARE 309

Fuses Usage F09 Passive entry/Passive start battery F10 Rear subwoofer F11 Left front memory seat module F12 – F13 – F14 Rear seat memory/ Heated F15 Left front subwoofer F16 Right front memory seat Without Super Cruise F17 Rear heated seat F18 – Fuses Usage Fuses Usage F19 Driver passenger F01 – F06 Right rear door window/Mirror/ memory seat Driver seat F02 Auxiliary trunk adjustment/Fuel door power outlet F07 Body control switch module 7 F03 Left window F20 Electric brake control F04 – F08 Passenger/Rear seat module – 2 adjustment switch F05 Canister vent F21 – Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

310 VEHICLE CARE

Fuses Usage Fuses Usage Fuses Usage F22 – F38 Rear blower F49 Memory bolster F23 Rear closure latch F39 Fuel tank zone module F24 – module F50 Body control – module 1 F25 Left front motorized F40 seat belt pretensioner F41 Rear seat auxiliary F51 Transmission control module F26 Rear Defogger power outlet F52 Park assist F27 Right front F42 Left rear subwoofer memory seat F53 Ventilated seats – F28 Amplifier F43 F54 Headliner/Universal garage door opener/ F29 Sunroof F44 Rear closure release switch/Power trunk Power sounder F30 Body control module/Integrated module/Rain sensor module 2 chassis control F55 Front memory seat F31 Body control module battery module module 6 F45 Auxiliary audio/Video F56 Rear HVAC Display F32 Exterior heated F46 External object F57 – mirrors calculating module/ F58 – F33 Right window Side blind zone alert/ Rear center short F59 Engine control F34 Power trunk module range radar sensor/ module battery F35 – Long range radar F60 Right front motorized sensors F36 – seat belt pretensioner F47 – F37 – F61 – F48 – Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

VEHICLE CARE 311

Fuses Usage Fuses Usage F62 – F73 – F63 Rear seat F74 – infotainment module F75 – F64 Engine control module ignition Relays Usage F65 Rear window R1 Rear seat auxiliary sunshade power outlet F66 Rear vision camera/ R2 Spare Inside Rearview mirror R3 Run/Crank F67 Run/Crank misc/Air quality sensor/ Integrated chassis control module/ Electronic shifter/DC DC converter F68 Damping control module F69 Television tuner module F70 – F71 – F72 – Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

312 VEHICLE CARE

Fuses Usage F07 Left front and right rear short range radar sensor/Camera image processing module F08 Driver memory seat module F09 Column friction device F10 Left headlamp F11 – F12 – F13 Left front subwoofer With Super Cruise F14 Rear blower F15 Left window Fuses Usage Fuses Usage F16 Canister vent F01 – F04 Steering wheel display/Touch sensor F17 Rear seat memory/ F02 Body control module Heated 2 and 4 F05 – F18 Rear subwoofer F03 Left rear external F06 – object calculating F19 Damping control module module F20 – Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

VEHICLE CARE 313

Fuses Usage Fuses Usage Fuses Usage F21 Electric brake control F33 Passenger/Rear seat F47 Engine control module - 2 adjustment switch module battery F22 – F34 Left front F48 Right front F23 Left front motorized memory seat subwoofer seat belt pretensioner F35 Right rear F49 Body control F24 Body control memory seat module 6 module 7 F36 External heated F50 – F25 Passive entry/Passive mirror F51 – – start battery F37 F52 Fuel tank zone F26 Rear closure latch F38 Transmission control module F27 Amplifier module F53 Rear seat auxiliary F28 Rear Defogger F39 Rear seat power outlet infotainment module F29 Park assist module F54 Left rear F40 – memory seat F30 Body control – – module 1 F41 F55 – F31 Driver monitoring F42 F56 Rear closure release system F43 Power trunk module switch/Power trunk module F32 Driver passenger F44 Right front door window/Mirror/ memory seat Driver seat F45 – adjustment/Fuel door switch F46 Right window Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

314 VEHICLE CARE

Fuses Usage Fuses Usage Fuses Usage F57 Rear left and rear F66 Television tuner F76 Misc run crank/ center short range module Energy storage radar sensors/Long F67 – control module/DC range radar sensors/ DC converter/Rear Right rear external F68 – external object object calculating F69 – calculating module/ module Shifter interface F70 Right front motorized board module F58 Auxiliary audio/Video seat belt pretensioner F59 – F77 Trunk auxiliary F71 Rear heated seat power outlet F60 Memory bolster module F78 Rear HVAC display module F72 Sunroof F79 – F61 – F73 Rear vision camera/ – F62 Ventilated seat Inside Rearview F80 mirror/Air quality F81 – F63 Universal garage door sensor opener/Power F82 – F74 Rear window sounder module/Rain F83 – sensor sunshade F84 – F64 Passenger memory F75 Engine control seat module module ignition F85 – F65 Right front short F86 – range radar sensor/ F87 – Advance driver assist map Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

VEHICLE CARE 315

Relays Usage Wheels and Tires Warning (Continued) R01 Rear seat auxiliary power outlet Tires . Underinflated tires pose R02 Spare Every new GM vehicle has the same danger as overloaded tires. The R03 Run/Crank high-quality tires made by a leading tire manufacturer. See the resulting crash could cause warranty manual for information serious injury. Check all regarding the tire warranty and tires frequently to where to get service. For maintain the additional information refer to the recommended pressure. tire manufacturer. Tire pressure should be checked when the tires are cold. { Warning . Overinflated tires are more . Poorly maintained and likely to be cut, punctured, improperly used tires are or broken by a sudden dangerous. impact — such as when . Overloading the tires can hitting a pothole. Keep cause overheating as a tires at the recommended result of too much flexing. pressure. There could be a blowout . Worn or old tires can and a serious crash. See cause a crash. If the tread Vehicle Load Limits 0 179. is badly worn, (Continued) replace them. (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

316 VEHICLE CARE All-Season Tires roads. Consider installing winter tires Warning (Continued) on the vehicle if frequent driving on This vehicle may come with all-season ice or snow covered roads is expected. . Replace any tires that have tires. These tires are designed to See your dealer for details regarding been damaged by impacts provide good overall performance on winter tire availability and proper tire with potholes, curbs, etc. most road surfaces and weather selection. Also, see Buying New Tires conditions. Original equipment tires 0 331. . Improperly repaired tires designed to GM's specific tire can cause a crash. Only performance criteria have a TPC With winter tires, there may be the dealer or an authorized specification code molded onto the decreased dry road traction, increased tire service center should sidewall. Original equipment road noise, and shorter tread life. repair, replace, dismount, all-season tires can be identified by After changing to winter tires, be alert and mount the tires. the last two characters of this TPC for changes in vehicle handling and code, which will be “MS.” braking. . Do not spin the tires in If using winter tires: excess of 56 km/h Consider installing winter tires on the (35 mph) on slippery vehicle if frequent driving on snow or . Use tires of the same brand and ice-covered roads is expected. surfaces such as snow, tread type on all four wheel All-season tires provide adequate positions. mud, ice, etc. Excessive performance for most winter driving . spinning may cause the conditions, but they may not offer the Use only radial ply tires of the tires to explode. same level of traction or performance same size, load range, and speed rating as the original equipment as winter tires on snow or ice-covered 0 tires. See Tire Pressure for High-Speed roads. See Winter Tires 316. 0 Winter tires with the same speed Operation 324 for inflation Winter Tires rating as the original equipment tires pressure adjustment for may not be available for H, V, W, Y, high-speed driving. This vehicle was not originally and ZR speed rated tires. If winter equipped with winter tires. Winter tires with a lower speed rating are tires are designed for increased chosen, never exceed the tire's traction on snow and ice-covered maximum speed capability. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

VEHICLE CARE 317 Low-Profile Tires Summer Tires Caution (Continued) If the vehicle has 245/45R19, This vehicle may come with 245/40R20, or 245/40ZR20 size 245/40ZR20 high performance been subjected to −7 °C (20 °F) or tires, they are classified as summer tires. These tires have a less, let them warm up in a heated low-profile tires. special tread and compound that are space to at least 5 °C (40 °F) for optimized for maximum dry and wet 24 hours or more before being road performance. This special tread installed or driving a vehicle on Caution and compound will have decreased which they are installed. Do not performance in cold climates, and on Low-profile tires are more apply heat or blow heated air ice and snow. It is recommended that susceptible to damage from road directly on the tires. Always inspect winter tires be installed on the vehicle hazards or curb impact than tires before use. See Tire Inspection if frequent driving at temperatures 0 329. standard profile tires. Tire and/or below approximately 5 °C (40 °F) or on wheel assembly damage can occur ice or snow covered roads is expected. when coming into contact with See Winter Tires 0 316. Tire Sidewall Labeling road hazards like potholes, or sharp Useful information about a tire is edged objects, or when sliding into Caution a curb. The warranty does not cover molded into its sidewall. The this type of damage. Keep tires set High performance summer tires examples show a typical passenger to the correct inflation pressure and have rubber compounds that lose vehicle tire and a compact spare when possible, avoid contact with flexibility and may develop surface tire sidewall. curbs, potholes, and other road cracks in the tread area at hazards. temperatures below −7 °C (20 °F). Always store high performance summer tires indoors and at temperatures above −7 °C (20 °F) when not in use. If the tires have (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

318 VEHICLE CARE molded onto the sidewall. GM's tire was manufactured. The TIN is TPC specifications meet or exceed molded onto both sides of the tire, all federal safety guidelines. although only one side may have (3) DOT (Department of the date of manufacture. Transportation) : The (5) Tire Ply Material : The type Department of Transportation of cord and number of plies in the (DOT) code indicates that the tire sidewall and under the tread. is in compliance with the U.S. (6) Uniform Tire Quality Department of Transportation Grading (UTQG) : Tire Motor Vehicle Safety Standards. manufacturers are required to Passenger (P-Metric) Tire Example DOT Tire Date of Manufacture : grade tires based on three The last four digits of the TIN performance factors: treadwear, (1) Tire Size : The tire size is a indicate the tire manufactured traction, and temperature combination of letters and date. The first two digits represent resistance. For more information numbers used to define a the week (01–52) and the last two see Uniform Tire Quality Grading particular tire's width, height, digits, the year. For example, the 0 333. aspect ratio, construction type, third week of the year 2010 would and service description. See the (7) Maximum Cold Inflation have a four-digit DOT date Load Limit : Maximum load that “Tire Size” illustration later in this of 0310. section. can be carried and the maximum (4) Tire Identification Number pressure needed to support (2) TPC Spec (Tire Performance (TIN) : The letters and numbers that load. 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-13566829) - 2020 - CRC - 6/11/19

VEHICLE CARE 319 (3) Tire Identification Number description. The letter “T” as the (TIN) : The letters and numbers first character in the tire size following the DOT (Department of means the tire is for temporary Transportation) code are the Tire use only. Identification Number (TIN). The (7) TPC Spec (Tire Performance TIN shows the manufacturer and Criteria Specification) : Original plant code, tire size, and date the equipment tires designed to GM's tire was manufactured. The TIN is specific tire performance criteria molded onto both sides of the tire, have a TPC specification code although only one side may have molded onto the sidewall. GM's the date of manufacture. TPC specifications meet or exceed Compact Spare Tire Example (4) Maximum Cold Inflation all federal safety guidelines. (1) Tire Ply Material : The type Load Limit : Maximum load that of cord and number of plies in the can be carried and the maximum Tire Designations pressure needed to support sidewall and under the tread. Tire Size that load. (2) Temporary Use Only : The The example shows a typical compact spare tire or temporary (5) Tire Inflation : The temporary passenger vehicle tire size. use tire should not be driven at use tire or compact spare tire speeds over 80 km/h (50 mph). should be inflated to 420 kPa The compact spare tire is for (60 psi). For more information on emergency use when a regular tire pressure and inflation see Tire road tire has lost air and Pressure 0 322. gone flat. If the vehicle has a (6) Tire Size : A combination of compact spare tire, see Compact letters and numbers define a tire's Spare Tire 0 342 and 0 width, height, aspect ratio, If a Tire Goes Flat 336. construction type, and service Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

320 VEHICLE CARE (1) Passenger (P-Metric) Tire : (5) Rim Diameter : Diameter of Aspect Ratio : The relationship of The United States version of a the wheel in inches. a tire's height to its width. metric tire sizing system. The (6) Service Description : These Belt : A rubber coated layer of “ ” letter P as the first character in characters represent the load cords between the plies and the the tire size means a passenger index and speed rating of the tire. tread. Cords may be made from vehicle tire engineered to The load index represents the load steel or other reinforcing standards set by the U.S. Tire and carrying capacity a tire is certified materials. Rim Association. to carry. The speed rating is the Bead : The tire bead contains steel (2) Tire Width : The three-digit maximum speed a tire is certified wires wrapped by steel cords that number indicates the tire section to carry a load. hold the tire onto the rim. width in millimeters from sidewall to sidewall. Tire Terminology and Bias Ply Tire : A pneumatic tire in Definitions which the plies are laid at (3) Aspect Ratio : A two-digit alternate angles less than number that indicates the tire Air Pressure : The amount of air 90 degrees to the centerline of the height-to-width measurements. inside the tire pressing outward tread. For example, if the tire size aspect on each square inch of the tire. ratio is 60, as shown in item (3) of Air pressure is expressed in kPa Cold Tire Pressure : The amount the illustration, it would mean (kilopascal) or psi (pounds per of air pressure in a tire, measured that the tire's sidewall is square inch). in kPa (kilopascal) or psi (pounds 60 percent as high as it is wide. per square inch) before a tire has Accessory Weight : The combined built up heat from driving. See (4) Construction Code : A letter weight of optional accessories. Tire Pressure 0 322. code is used to indicate the type Some examples of optional of ply construction in the tire. The accessories are automatic Curb Weight : The weight of a letter “R” means radial ply transmission, power windows, motor vehicle with standard and construction; the letter “D” means power seats, and air conditioning. optional equipment including the diagonal or bias ply construction. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

VEHICLE CARE 321 maximum capacity of fuel, oil, and Intended Outboard Sidewall : Maximum Loaded Vehicle coolant, but without passengers The side of an asymmetrical tire Weight : The sum of curb weight, and cargo. that must always face outward accessory weight, vehicle capacity DOT Markings : A code molded when mounted on a vehicle. weight, and production options into the sidewall of a tire Kilopascal (kPa) : The metric unit weight. signifying that the tire is in for air pressure. Normal Occupant Weight : The compliance with the U.S. Light Truck (LT-Metric) Tire : A number of occupants a vehicle is Department of Transportation tire used on light duty trucks and designed to seat multiplied by (DOT) Motor Vehicle Safety 68 kg (150 lb). See Vehicle Load some multipurpose passenger 0 Standards. The DOT code includes vehicles. Limits 179. the Tire Identification Number Load Index : An assigned number Occupant Distribution : (TIN), an alphanumeric designator Designated seating positions. which can also identify the tire ranging from 1 to 279 that manufacturer, production plant, corresponds to the load carrying Outward Facing Sidewall : The brand, and date of production. capacity of a tire. side of an asymmetrical tire that has a particular side that faces GVWR : Gross Vehicle Weight Maximum Inflation Pressure : The maximum air pressure to outward when mounted on a Rating. See Vehicle Load Limits vehicle. The side of the tire that 0 179. which a cold tire can be inflated. The maximum air pressure is contains a whitewall, bears white GAWR FRT : Gross Axle Weight molded onto the sidewall. lettering, or bears manufacturer, Rating for the front axle. See brand, and/or model name Vehicle Load Limits 0 179. Maximum Load Rating : The load molding that is higher or deeper rating for a tire at the maximum GAWR RR : Gross Axle Weight than the same moldings on the permissible inflation pressure for other sidewall of the tire. Rating for the rear axle. See that tire. Vehicle Load Limits 0 179. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

322 VEHICLE CARE Passenger (P-Metric) Tire : A tire Traction : The friction between Vehicle Capacity Weight : The used on passenger cars and some the tire and the road surface. The number of designated seating light duty trucks and amount of grip provided. positions multiplied by multipurpose vehicles. 68 kg (150 lb) plus the rated cargo Tread : The portion of a tire that 0 Recommended Inflation comes into contact with the road. load. See Vehicle Load Limits 179. Pressure : Vehicle manufacturer's Treadwear Indicators : Narrow Vehicle Maximum Load on the recommended tire inflation bands, sometimes called wear Tire : Load on an individual tire pressure as shown on the bars, that show across the tread of due to curb weight, accessory tire placard. See Tire Pressure a tire when only 1.6 mm (1/16 in) weight, occupant weight, and 0 322 and cargo weight. 0 of tread remains. See When It Is Vehicle Load Limits 179. Time for New Tires 0 330. Vehicle Placard : A label Radial Ply Tire : A pneumatic tire UTQGS (Uniform Tire Quality permanently attached to a vehicle in which the ply cords that extend Grading Standards) : A tire showing the vehicle capacity to the beads are laid at 90 degrees information system that provides weight and the original equipment to the centerline of the tread. consumers with ratings for a tire's tire size and recommended “ Rim : A metal support for a tire traction, temperature, and inflation pressure. See Tire and Loading Information Label” under and upon which the tire beads are treadwear. Ratings are determined 0 seated. by tire manufacturers using Vehicle Load Limits 179. government testing procedures. Sidewall : The portion of a tire Tire Pressure between the tread and the bead. The ratings are molded into the sidewall of the tire. See Uniform Tires need the correct amount of Speed Rating : An alphanumeric Tire Quality Grading 0 333. air pressure to operate effectively. code assigned to a tire indicating the maximum speed at which a tire can operate. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

VEHICLE CARE 323 The Tire and Loading Information How to Check { Warning label on the vehicle indicates the Use a good quality pocket-type Neither tire underinflation nor original equipment tires and the gauge to check tire pressure. overinflation is good. correct cold tire inflation Proper tire inflation cannot be Underinflated tires, or tires that pressures. The recommended determined by looking at the tire. do not have enough air, can pressure is the minimum air Check the tire inflation pressure result in: pressure needed to support the when the tires are cold, meaning vehicle's maximum load carrying . Tire overloading and the vehicle has not been driven for capacity. See Vehicle Load Limits at least three hours or no more overheating which could 0 179. lead to a blowout. than 1.6 km (1 mi). How the vehicle is loaded affects Remove the valve cap from the . Premature or vehicle handling and ride comfort. irregular wear. tire valve stem. Press the tire Never load the vehicle with more gauge firmly onto the valve to get . Poor handling. weight than it was designed to a pressure measurement. If the carry. . Reduced fuel economy. cold tire inflation pressure matches the recommended Overinflated tires, or tires that When to Check pressure on the Tire and Loading Check the pressure of the tires have too much air, can result in: Information label, no further once a month or more. Do not . Unusual wear. adjustment is necessary. If the forget the compact spare, if the inflation pressure is low, add air . Poor handling. vehicle has one. The cold compact until the recommended pressure is spare tire pressure should be at . Rough ride. reached. If the inflation pressure 420 kPa (60 psi). See Compact is high, press on the metal stem in . Needless damage from Spare Tire 0 342. road hazards. the center of the tire valve to release air. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

324 VEHICLE CARE Recheck the tire pressure with the higher. Set the cold inflation pressure tire gauge. Warning (Continued) for the front tires to 280 kPa (41 psi) and the rear tires to 300 kPa (44 psi). Put the valve caps back on the operation. When speed limits and valve stems to keep out dirt and road conditions allow the vehicle to Return the tires to the recommended moisture and prevent leaks. Use be driven at high speeds, make sure cold tire inflation pressure when high-speed driving has ended. See only valve caps designed for the the tires are rated for high-speed 0 operation, are in excellent Vehicle Load Limits 179 and vehicle by GM. TPMS sensors Tire Pressure 0 322. could be damaged and would not condition, and are set to the correct be covered by the vehicle cold tire inflation pressure for the vehicle load. Tire Pressure Monitor warranty. System Tire Pressure for Vehicles with 235/50R18 97V or The Tire Pressure Monitor System High-Speed Operation 245/45R19 98V size tires require (TPMS) uses radio and sensor inflation pressure adjustment when technology to check tire pressure driving the vehicle at speeds of levels. The TPMS sensors monitor the { Warning 160 km/h (100 mph) or higher. Set the air pressure in your tires and transmit cold inflation pressure for all four tire pressure readings to a receiver Driving at high speeds, 160 km/h tires to 270 kPa (39 psi). located in the vehicle. (100 mph) or higher, puts additional strain on tires. Sustained Vehicles with 245/40R20 95W size Each tire, including the spare (if high-speed driving causes excessive tires require inflation pressure provided), should be checked monthly when cold and inflated to the heat buildup and can cause sudden adjustment when driving the vehicle inflation pressure recommended by tire failure. This could cause a at speeds of 160 km/h (100 mph) or higher. Set the cold inflation pressure the vehicle manufacturer on the crash, and you or others could be to 290 kPa (42 psi). vehicle placard or tire inflation killed. Some high-speed rated tires pressure label. (If your vehicle has Vehicles with 245/40ZR20 95Y size require inflation pressure tires of a different size than the size tires require inflation pressure adjustment for high-speed indicated on the vehicle placard or tire adjustment when driving the vehicle (Continued) at speeds of 160 km/h (100 mph) or Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

VEHICLE CARE 325 inflation pressure label, you should Your vehicle has also been equipped See Tire Pressure Monitor Operation determine the proper tire inflation with a TPMS malfunction indicator to 0 325. pressure for those tires.) indicate when the system is not See Radio Frequency Statement 0 386. As an added safety feature, your operating properly. The TPMS vehicle has been equipped with a tire malfunction indicator is combined with the low tire pressure telltale. Tire Pressure Monitor pressure monitoring system (TPMS) Operation that illuminates a low tire pressure When the system detects a telltale when one or more of your tires malfunction, the telltale will flash for This vehicle may have a Tire Pressure is significantly under-inflated. approximately one minute and then Monitor System (TPMS). The TPMS is remain continuously illuminated. This designed to warn the driver when a Accordingly, when the low tire sequence will continue upon low tire pressure condition exists. pressure telltale illuminates, you subsequent vehicle start-ups as long TPMS sensors are mounted onto each should stop and check your tires as as the malfunction exists. tire and wheel assembly, excluding the soon as possible, and inflate them to spare tire and wheel assembly. The the proper pressure. Driving on a When the malfunction indicator is TPMS sensors monitor the air significantly under-inflated tire causes illuminated, the system may not be pressure in the tires and transmit the the tire to overheat and can lead to able to detect or signal low tire tire pressure readings to a receiver tire failure. Under-inflation also pressure as intended. TPMS located in the vehicle. reduces fuel efficiency and tire tread malfunctions may occur for a variety life, and may affect the vehicle's of reasons, including the installation handling and stopping ability. of replacement or alternate tires or wheels on the vehicle that prevent the Please note that the TPMS is not a TPMS from functioning properly. substitute for proper tire maintenance, Always check the TPMS malfunction and it is the driver's responsibility to telltale after replacing one or more maintain correct tire pressure, even if tires or wheels on your vehicle to under-inflation has not reached the ensure that the replacement or When a low tire pressure condition is level to trigger illumination of the alternate tires and wheels allow the detected, the TPMS illuminates the TPMS low tire pressure telltale. TPMS to continue to function low tire pressure warning light on the properly. instrument cluster. If the warning Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

326 VEHICLE CARE light comes on, stop as soon as A Tire and Loading Information label, TPMS Malfunction Light and possible and inflate the tires to the attached to your vehicle, shows the Message recommended pressure shown on the size of the original equipment tires Tire and Loading Information label. and the correct inflation pressure for The TPMS will not function properly if See Vehicle Load Limits 0 179. the tires when they are cold. See one or more of the TPMS sensors are 0 missing or inoperable. When the A message to check the pressure in a Vehicle Load Limits 179 for an example of the Tire and Loading system detects a malfunction, the low specific tire displays in the Driver tire pressure warning light flashes for Information Center (DIC). The low tire Information label and its location. Also see Tire Pressure 0 322. about one minute and then stays on pressure warning light and the DIC for the remainder of the ignition cycle. warning message come on at each The TPMS can warn about a low tire A DIC warning message also displays. ignition cycle until the tires are pressure condition but it does not The malfunction light and DIC inflated to the correct inflation replace normal tire maintenance. See warning message come on at each pressure. Using the DIC, tire pressure Tire Inspection 0 329, Tire Rotation ignition cycle until the problem is levels can be viewed. For additional 0 329, and Tires 0 315. corrected. Some of the conditions that information and details about the DIC can cause these to come on are: operation and displays see Driver Caution Information Center (DIC) 0 132. . One of the road tires has been replaced with the spare tire. The Tire sealant materials are not all The low tire pressure warning light spare tire does not have a TPMS the same. A non-approved tire may come on in cool weather when sensor. The malfunction light and the vehicle is first started, and then sealant could damage the TPMS DIC message should go off after turn off as the vehicle is driven. This sensors. TPMS sensor damage the road tire is replaced and the could be an early indicator that the air caused by using an incorrect tire sensor matching process is pressure is getting low and needs to sealant is not covered by the performed successfully. See “TPMS be inflated to the proper pressure. vehicle warranty. Always use only Sensor Matching Process” later in the GM approved tire sealant this section. available through your dealer or . The TPMS sensor matching included in the vehicle. process was not done or not completed successfully after rotating the tires. The malfunction Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

VEHICLE CARE 327 light and the DIC message should If the TPMS is not functioning Repeat these steps for all go off after successfully properly, it cannot detect or signal a underinflated tires that have completing the sensor matching low tire pressure condition. See your illuminated the low tire pressure process. See "TPMS Sensor dealer for service if the TPMS warning light. Matching Process" later in this malfunction light and DIC message section. come on and stay on. { Warning . One or more TPMS sensors are Tire Fill Alert (If Equipped) missing or damaged. The Overinflating a tire could cause the malfunction light and the DIC This feature provides visual and tire to rupture and you or others message should go off when the audible alerts outside the vehicle to could be injured. Do not exceed the TPMS sensors are installed and help when inflating an underinflated maximum pressure listed on the the sensor matching process is tire to the recommended cold tire tire sidewall. See Tire Sidewall performed successfully. See your pressure. Labeling 0 317 and dealer for service. When the low tire pressure warning Vehicle Load Limits 0 179. . Replacement tires or wheels do light comes on: not match the original equipment 1. Park the vehicle in a safe, level If the tire is overinflated by more than tires or wheels. Tires and wheels place. 35 kPa (5 psi), the horn will sound other than those recommended multiple times and the turn signal 2. Set the parking brake firmly. could prevent the TPMS from lamp will continue to flash for several functioning properly. See Buying 3. Place the vehicle in P (Park). seconds after filling stops. To release 0 New Tires 331. 4. Add air to the tire that is and correct the pressure, while the . Operating electronic devices or underinflated. The turn signal turn signal lamp is still flashing, being near facilities using radio lamp will flash. briefly press the center of the valve stem. When the recommended wave frequencies similar to the When the recommended TPMS could cause the TPMS pressure is reached, the horn pressure is reached, the horn sounds once. sensors to malfunction. sounds once and the turn signal lamp will stop flashing and briefly turn solid. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

328 VEHICLE CARE If the turn signal lamp does not flash If the tire fill alert does not operate www.gmtoolsandequipment.com or within 15 seconds after starting to due to TPMS interference, move the call 1-800-GM TOOLS inflate the tire, the tire fill alert has vehicle about 1 m (3 ft) back or (1-800-468-6657). not been activated or is not working. forward and try again. If the tire fill There are two minutes to match the If the hazard warning flashers are on, alert feature is not working, use a tire first tire/wheel position, and the tire fill alert visual feedback will pressure gauge. five minutes overall to match all four not work properly. TPMS Sensor Matching Process tire/wheel positions. If it takes longer, The TPMS will not activate the tire fill the matching process stops and must Each TPMS sensor has a unique be restarted. alert properly under the following identification code. The identification conditions: code needs to be matched to a new The TPMS sensor matching process is: . There is interference from an tire/wheel position after rotating the 1. Set the parking brake. external device or transmitter. vehicle’s tires or replacing one or more of the TPMS sensors. The TPMS 2. Place the vehicle in Service . The air pressure from the inflation Mode. See Ignition Positions sensor matching process should also 0 device is not sufficient to inflate be performed after replacing a spare 183. the tire. tire with a road tire containing the 3. Make sure the Tire Pressure info . There is a malfunction in TPMS sensor. The malfunction light display option is turned on. The the TPMS. and the DIC message should go off at info displays on the DIC can be the next ignition cycle. The sensors . There is a malfunction in the horn turned on and off through the are matched to the tire/wheel or turn signal lamps. Options menu. See Driver positions, using a TPMS relearn tool, Information Center (DIC) 0 132. . The identification code of the in the following order: driver side 4. Use the five-way DIC control on TPMS sensor is not registered to front tire, passenger side front tire, the right side of the steering the system. passenger side rear tire, and driver wheel to scroll to the Tire side rear tire. See your dealer for . The battery of the TPMS sensor Pressure screen under the DIC service or to purchase a relearn tool. is low. info page. See Driver Information A TPMS relearn tool can also be Center (DIC) 0 132. purchased. See Tire Pressure Monitor Sensor Activation Tool at Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

VEHICLE CARE 329 5. Press and hold SEL in the center identification code has been . The tread or sidewall is of the five-way DIC control. matched to the driver side rear cracked, cut, or snagged deep The horn sounds twice to signal tire, and the TPMS sensor enough to show cord or fabric. matching process is no longer the receiver is in relearn mode . The tire has a bump, bulge, and the TIRE LEARNING ACTIVE active. The TIRE LEARNING message displays on the DIC ACTIVE message on the DIC or split. screen. display screen goes off. . The tire has a puncture, cut, 6. Start with the driver side 11. Turn the vehicle off. or other damage that cannot front tire. 12. Set all four tires to the be repaired well because of the size or location of the damage. 7. Place the relearn tool against the recommended air pressure level tire sidewall, near the valve stem. as indicated on the Tire and Then press the button to activate Loading Information label. Tire Rotation the TPMS sensor. A horn chirp Tire Inspection Tires should be rotated every confirms that the sensor 12 000 km (7,500 mi). See identification code has been We recommend that the tires, Maintenance Schedule 0 359. matched to this tire and wheel including the spare tire, if the position. Tires are rotated to achieve a vehicle has one, be inspected for uniform wear for all tires. The first 8. Proceed to the passenger side signs of wear or damage at least front tire, and repeat the once a month. rotation is the most important. procedure in Step 7. Anytime unusual wear is noticed, Replace the tire if: 9. Proceed to the passenger side rotate the tires as soon as rear tire, and repeat the . The indicators at three or more possible, check for proper tire procedure in Step 7. places around the tire can inflation pressure, and check for 10. Proceed to the driver side rear be seen. damaged tires or wheels. If the tire, and repeat the procedure in . There is cord or fabric showing unusual wear continues after the Step 7. The horn sounds two through the tire's rubber. rotation, check the wheel times to indicate the sensor Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

330 VEHICLE CARE alignment. See When It Is Time for Reset the Tire Pressure Monitor Lightly coat the inner diameter of New Tires 0 330 and System. See Tire Pressure Monitor the wheel hub opening with wheel Wheel Replacement 0 335. Operation 0 325. bearing grease after a wheel Check that all wheel nuts are change or tire rotation to prevent properly tightened. See “Wheel corrosion or rust buildup. Do not Nut Torque” under Capacities and get grease on the wheel mounting Specifications 0 373, and surface or on the wheel nuts or “Removing the Flat Tire and bolts. Installing the Spare Tire” under Tire Changing 0 337. When It Is Time for New Tires { Warning Factors such as maintenance, temperatures, driving speeds, vehicle Rust or dirt on a wheel, or on the loading, and road conditions affect the parts to which it is fastened, can wear rate of the tires. Use this rotation pattern when make wheel nuts become loose rotating the tires. after time. The wheel could come off and cause a crash. When Do not include the spare tire in changing a wheel, remove any rust the tire rotation. or dirt from places where the wheel Adjust the front and rear tires to attaches to the vehicle. In an the recommended inflation emergency, a cloth or a paper towel pressure on the Tire and Loading can be used; however, use a scraper Information label after the tires or wire brush later to remove all rust or dirt. have been rotated. See Tire Pressure 0 322 and Vehicle Load Limits 0 179. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

VEHICLE CARE 331 Treadwear indicators are one way to Vehicle Storage needed, GM strongly recommends tell when it is time for new tires. Tires age when stored normally buying tires with the same TPC Treadwear indicators appear when the mounted on a parked vehicle. Park a Spec rating. tires have only 1.6 mm (1/16 in) or vehicle that will be stored for at least less of tread remaining. See Tire GM's exclusive TPC Spec system a month in a cool, dry, clean area Inspection 0 329 and considers over a dozen critical away from direct sunlight to slow Tire Rotation 0 329. specifications that impact the aging. This area should be free of The rubber in tires ages over time. grease, gasoline, or other substances overall performance of the vehicle, This also applies to the spare tire, that can deteriorate rubber. including brake system if the vehicle has one, even if it is performance, ride and handling, Parking for an extended period can never used. Multiple factors including traction control, and tire pressure cause flat spots on the tires that may temperatures, loading conditions, and result in vibrations while driving. monitoring performance. GM's inflation pressure maintenance affect When storing a vehicle for at least a TPC Spec number is molded onto how fast aging takes place. GM month, remove the tires or raise the the tire's sidewall near the tire recommends that tires, including the vehicle to reduce the weight from the size. If the tires have an all-season spare if equipped, be replaced after six tires. tread design, the TPC Spec years, regardless of tread wear. To identify the age of a tire, use the tire number will be followed by MS for Buying New Tires mud and snow. See Tire Sidewall manufacture date which is the last 0 four digits of the DOT Tire GM has developed and matched Labeling 317, for additional Identification Number (TIN) which is specific tires for the vehicle. The information. molded into one side of the tire original equipment tires installed GM recommends replacing worn sidewall. The first two digits represent tires in complete sets of four. the week (01–52) and the last two were designed to meet General digits, the year. For example, the third Motors Tire Performance Criteria Uniform tread depth on all tires week of the year 2010 would have a Specification (TPC Spec) system will help to maintain the four-digit DOT date of 0310. rating. When replacement tires are performance of the vehicle. Braking and handling performance may be adversely affected if all the Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

332 VEHICLE CARE tires are not replaced at the same time. If proper rotation and Warning (Continued) Warning (Continued) maintenance have been done, all dealer or authorized tire service and cause a crash. Use only four tires should wear out at center should mount or radial-ply tires with the wheels about the same time. See Tire dismount the tires. on the vehicle. Rotation 0 329 for information on proper tire rotation. However, if it is necessary to replace only one If the vehicle tires must be axle set of worn tires, place the { Warning replaced with a tire that does not new tires on the rear axle. have a TPC Spec number, make Mixing tires of different sizes (other sure they are the same size, load Winter tires with the same speed than those originally installed on range, speed rating, and rating as the original equipment the vehicle), brands, or types may construction (radial) as the tires may not be available for H, V, cause loss of control of the vehicle, original tires. W, and ZR speed rated tires. Never resulting in a crash or other vehicle exceed the winter tire's maximum damage. Use the correct size, brand, Vehicles that have a tire pressure speed capability when using and type of tire on all four wheels. monitoring system could give an winter tires with a lower speed inaccurate low-pressure warning if rating. non-TPC Spec rated tires are installed. See Tire Pressure Monitor { Warning 0 { Warning Operation 325. Using bias-ply tires on the The Tire and Loading Information Tires could explode during vehicle may cause the wheel rim label indicates the original improper service. Attempting to flanges to develop cracks after equipment tires on the vehicle. mount or dismount a tire could many miles of driving. A tire See Vehicle Load Limits 0 179. cause injury or death. Only your and/or wheel could fail suddenly (Continued) (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

VEHICLE CARE 333 Different Size Tires and See Buying New Tires 0 331 and respect to these grades, they must 0 Wheels Accessories and Modifications 272. also conform to federal safety requirements and additional If wheels or tires are installed that are Uniform Tire Quality General Motors Tire Performance a different size than the original Grading Criteria (TPC) standards. equipment wheels and tires, vehicle performance, including its braking, The following information relates Quality grades can be found where ride and handling characteristics, to the system developed by the applicable on the tire sidewall stability, and resistance to rollover United States National Highway between tread shoulder and may be affected. If the vehicle has Traffic Safety Administration maximum section width. For electronic systems such as antilock (NHTSA), which grades tires by example: brakes, rollover airbags, traction treadwear, traction, and control, electronic stability control, Treadwear 200 Traction AA or All-Wheel Drive, the performance temperature performance. This Temperature A of these systems can also be affected. applies only to vehicles sold in the United States. The grades are All Passenger Car Tires Must Conform to Federal Safety { Warning molded on the sidewalls of most passenger car tires. The Uniform Requirements In Addition To If different sized wheels are used, Tire Quality Grading (UTQG) These Grades. there may not be an acceptable system does not apply to deep Treadwear level of performance and safety if tread, winter tires, compact spare tires not recommended for those tires, tires with nominal rim The treadwear grade is a wheels are selected. This increases diameters of 10 to 12 inches comparative rating based on the the chance of a crash and serious (25 to 30 cm), or to some wear rate of the tire when tested injury. Only use GM specific wheel limited-production tires. under controlled conditions on a and tire systems developed for the specified government test course. vehicle, and have them properly While the tires available on For example, a tire graded installed by a GM certified General Motors passenger cars 150 would wear one and one-half technician. and light trucks may vary with (1½) times as well on the Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

334 VEHICLE CARE government course as a tire include acceleration, cornering, that is properly inflated and not graded 100. The relative hydroplaning, or peak traction overloaded. Excessive speed, performance of tires depends characteristics. underinflation, or excessive upon the actual conditions of loading, either separately or in Temperature their use, however, and may combination, can cause heat depart significantly from the norm The temperature grades are A (the buildup and possible tire failure. due to variations in driving habits, highest), B, and C, representing service practices and differences the tire's resistance to the Wheel Alignment and Tire in road characteristics and generation of heat and its ability Balance climate. to dissipate heat when tested under controlled conditions on a The tires and wheels were aligned and Traction specified indoor laboratory test balanced at the factory to provide the longest tire life and best overall The traction grades, from highest wheel. Sustained high temperature performance. Adjustments to wheel to lowest, are AA, A, B, and C. can cause the material of the tire alignment and tire balancing are not Those grades represent the tire's to degenerate and reduce tire life, necessary on a regular basis. Consider ability to stop on wet pavement as and excessive temperature can an alignment check if there is unusual measured under controlled lead to sudden tire failure. The tire wear or the vehicle is significantly conditions on specified grade C corresponds to a level of pulling to one side or the other. Some government test surfaces of performance which all passenger slight pull to the left or right, asphalt and concrete. A tire car tires must meet under the depending on the crown of the road marked C may have poor traction Federal Motor Safety Standard and/or other road surface variations performance. Warning: The No. 109. Grades B and A represent such as troughs or ruts, is normal. If the vehicle is vibrating when driving traction grade assigned to this tire higher levels of performance on on a smooth road, the tires and is based on straight-ahead braking the laboratory test wheel than the wheels may need to be rebalanced. traction tests, and does not minimum required by law. See your dealer for proper diagnosis. Warning: The temperature grade for this tire is established for a tire Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

VEHICLE CARE 335 Wheel Replacement Warning (Continued) Warning (Continued) Replace any wheel that is bent, cracked, or badly rusted or corroded. vehicle. Tires can lose air, and be unknown. It could fail suddenly If wheel nuts keep coming loose, the cause loss of control, causing a and cause a crash. When replacing wheel, wheel bolts, and wheel nuts crash. Always use the correct wheel, wheels, use a new GM original should be replaced. If the wheel leaks wheel bolts, and wheel nuts for equipment wheel. air, replace it. Some aluminum wheels replacement. can be repaired. See your dealer if any of these conditions exist. Tire Chains Your dealer will know the kind of Caution wheel that is needed. Caution Each new wheel should have the same The wrong wheel can also cause Use tire chains only where legal and load-carrying capacity, diameter, problems with bearing life, brake only when necessary. Use low width, offset, and be mounted the cooling, speedometer or odometer profile chains that add no more same way as the one it replaces. calibration, headlamp aim, bumper than 10 mm thickness to the tire Replace wheels, wheel bolts, wheel height, vehicle ground clearance, tread and inner sidewall. Use chains nuts, or Tire Pressure Monitor System and tire or tire chain clearance to that are the proper size for the tires. (TPMS) sensors with new GM original the body and chassis. Install them on the tires of the rear equipment parts. axle. Do not use chains on the tires Used Replacement Wheels of the front axle. Tighten them as { Warning tightly as possible with the ends { Warning securely fastened. Drive slowly and Using the wrong replacement follow the chain manufacturer's wheels, wheel bolts, or wheel nuts Replacing a wheel with a used one instructions. If the chains contact can be dangerous. It could affect is dangerous. How it has been used the vehicle, stop and retighten the braking and handling of the or how far it has been driven may them. If the contact continues, slow (Continued) (Continued) (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

336 VEHICLE CARE vehicle. It may be very bumpy and Caution (Continued) noisy. Gently brake to a stop, well off Warning (Continued) the road, if possible. down until it stops. Driving too fast is designed only for changing a flat or spinning the wheels with chains { tire. If it is used for anything else, on will damage the vehicle. Warning you or others could be badly injured Driving on a flat tire will cause or killed if the vehicle slips off the If a Tire Goes Flat permanent damage to the tire. jack. If a jack is provided with the Re-inflating a tire after it has been vehicle, only use it for changing a It is unusual for a tire to blow out driven on while severely flat tire. while driving, especially if the tires are underinflated or flat may cause a maintained properly. See Tires 0 315. blowout and a serious crash. Never If a tire goes flat, avoid further tire If air goes out of a tire, it is much attempt to re-inflate a tire that has and wheel damage by driving slowly more likely to leak out slowly. But if been driven on while severely to a level place, well off the road, there ever is a blowout, here are a few underinflated or flat. Have your if possible. Turn on the hazard tips about what to expect and what warning flashers. See Hazard Warning to do: dealer or an authorized tire service center repair or replace the flat tire Flashers 0 152. If a front tire fails, the flat tire creates as soon as possible. a drag that pulls the vehicle toward { Warning that side. Take your foot off the accelerator pedal and grip the steering Changing a tire can be dangerous. wheel firmly. Steer to maintain lane { Warning The vehicle can slip off the jack and position, and then gently brake to a roll over or fall causing injury or stop, well off the road, if possible. Lifting a vehicle and getting under death. Find a level place to change it to do maintenance or repairs is A rear blowout, particularly on a the tire. To help prevent the vehicle dangerous without the appropriate curve, acts much like a skid and may from moving: safety equipment and training. If a require the same correction as used in 1. Set the parking brake firmly. a skid. Stop pressing the accelerator jack is provided with the vehicle, it pedal and steer to straighten the (Continued) (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

VEHICLE CARE 337

Warning (Continued)

2. Put an automatic transmission in P (Park) or a manual transmission in 1 (First) or R (Reverse). 3. Turn off the engine and do not restart while the vehicle is raised. 1. Wheel Block (If Equipped) 4. Do not allow passengers to 2. Flat Tire remain in the vehicle. The following information explains 5. Place wheel blocks, how to repair or change a tire. 1. Jack if equipped, on both sides of 2. Retainer Nut the tire at the opposite corner Tire Changing 3. Fuel Funnel of the tire being changed. 4. Strap Removing the Spare Tire and 5. Wrench Tools When the vehicle has a flat tire (2), 6. Tow Hook (If Equipped) use the following example as a guide The jack and tools will be stored in 7. Tool Bag to assist in the placement of the one of the following ways. wheel blocks (1), if equipped. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

338 VEHICLE CARE

1. Jack 3. Turn the retainer nut 3. Turn the wheel wrench 2. Retainer Nut counterclockwise and remove the counterclockwise to loosen all 3. Fuel Funnel spare tire. Place the spare tire the wheel nuts, but do not 4. Tow Hook (If Equipped) next to the tire being changed. remove them yet. 5. Strap 4. Remove the jack and tools from 4. Place the jack near the flat tire. 6. Wrench their container and place them 5. Put the compact spare tire near the tire being changed. To access the spare tire and tools: near you. 1. Open the trunk. Removing the Flat Tire and Installing the Spare Tire { Warning 2. Lift the spare tire cover and attach the handle to the 1. Do a safety check before Getting under a vehicle when it is trunk edge. proceeding. See If a Tire Goes Flat 0 lifted on a jack is dangerous. If the 336. vehicle slips off the jack, you could 2. Turn the wheel wrench be badly injured or killed. Never get counterclockwise to loosen and under a vehicle when it is remove the wheel nut caps. supported only by a jack. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

VEHICLE CARE 339 6. Place the hex tube end of the pads, as shown. The jack must { Warning wrench over the hex head of not be used in any other the jack. position. 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. { Warning

Lifting a vehicle and getting under it to do maintenance or repairs is 9. Raise the vehicle by turning the dangerous without the appropriate jack handle clockwise. Raise the safety equipment and training. If a vehicle far enough off the ground jack is provided with the vehicle, it so there is enough room for the is designed only for changing a flat road tire to clear the ground. tire. If it is used for anything else, you or others could be badly injured or killed if the vehicle slips off the jack. If a jack is provided with the vehicle, only use it for changing a flat tire. 8. Position the jack lift head at the jack location nearest the flat tire within the depression of the jack Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

340 VEHICLE CARE

Warning (Continued) { Warning

can be used; however, use a scraper Never use oil or grease on bolts or or wire brush later to remove all nuts because the nuts might come rust or dirt. loose. The vehicle's wheel could fall off, causing a crash.

14. Reinstall the wheel nuts. Tighten each nut by hand until the wheel is held against the hub. 15. Lower the vehicle by turning the 10. Remove all of the wheel nuts. jack handle counterclockwise. 11. Remove the flat tire. { Warning { Warning Wheel nuts that are improperly or Rust or dirt on a wheel, or on the incorrectly tightened can cause the parts to which it is fastened, can wheels to become loose or come off. The wheel nuts should be tightened make wheel nuts become loose 12. Remove any rust or dirt from the after time. The wheel could come wheel bolts, mounting surfaces, with a torque wrench to the proper off and cause a crash. When and spare wheel. torque specification after replacing. changing a wheel, remove any rust Follow the torque specification 13. Place the compact spare tire on supplied by the aftermarket or dirt from places where the wheel the wheel-mounting surface. attaches to the vehicle. In an manufacturer when using accessory emergency, a cloth or a paper towel (Continued) (Continued) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

VEHICLE CARE 341 Storing a Flat or Spare Tire and Warning (Continued) Tools locking wheel nuts. See Capacities and Specifications 0 373 for original { Warning equipment wheel nut torque Storing a jack, a tire, or other specifications. equipment in the passenger compartment of the vehicle could cause injury. In a sudden stop or Caution collision, loose equipment could strike someone. Store all these in Improperly tightened wheel nuts the proper place. can lead to brake pulsation and 16. Tighten the wheel nuts firmly in rotor damage. To avoid expensive a crisscross sequence, as shown. brake repairs, evenly tighten the To store the flat tire and tools: 17. Lower the jack all the way and wheel nuts in the proper sequence 1. Open the trunk. remove the jack from under the and to the proper torque vehicle. 2. Replace the jack and tools as specification. See Capacities and they were, originally, stored in 0 18. Tighten the wheel nuts firmly Specifications 373 for the wheel their container near the with the wheel wrench. nut torque specification. spare tire. 3. Replace the spare tire cover. 4. Place the tire, lying flat, in the 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, attach one end of the strap Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

342 VEHICLE CARE to a cargo tie-down (1) in the Compact Spare Tire rear of the vehicle and go to Step 8. { Warning

Driving with more than one compact spare tire at a time could result in loss of braking and handling. This could lead to a crash and you or others could be injured. Use only one compact spare tire at a time.

8. Route the hook end of the strap through the wheel. If this vehicle has a compact spare tire, it was fully inflated when new; 9. Attach the hook to the other however, it can lose air over time. cargo tie-down in the rear of the Check the inflation pressure regularly. 5. Route the loop end of the vehicle. strap (3) through one of the It should be 420 kPa (60 psi). cargo tie-downs (1) in the rear of 10. Tighten the strap. the vehicle. The compact spare is for temporary Caution 6. Route the hook (2) through the use only. Replace the compact spare Exceeding the 80 km/h (50 mph) tire with a full-size tire as soon as loop (3). maximum speed when a compact you can. 7. Pull the strap to tighten it spare assembly is installed can around the cargo tie-down (1). damage the vehicle’s driveline components. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

VEHICLE CARE 343 Stop as soon as possible and check Jump Starting that the spare tire is correctly inflated Caution after being installed on the vehicle. The compact spare tire is designed for When the compact spare is Jump Starting - North temporary use only. The vehicle will installed, do not take the vehicle America perform differently with the spare tire through an automatic car wash For more information about the installed and it is recommended that with guide rails. The compact spare vehicle battery, see Battery - North the vehicle speed be limited to can get caught on the rails which America 0 292. 80 km/h (50 mph). To conserve the can damage the tire, wheel, and tread of the spare tire, have the other parts of the vehicle. If the battery has run down, try to use standard tire repaired or replaced as another vehicle and some jumper cables to start your vehicle. Be sure to soon as convenient and return the Do not use the compact spare on use the following steps to do it safely. spare tire to the storage area. other vehicles. When using a compact spare tire, the Do not mix the compact spare tire or { Warning AWD (if equipped), ABS, and Traction wheel with other wheels or tires. They Control systems may engage until the will not fit. Keep the spare tire and its WARNING: Battery posts, spare tire is recognized by the vehicle, wheel together. especially on slippery roads. Adjust terminals, and related accessories driving to reduce possible wheel slip. contain lead and lead compounds, Caution chemicals known to the State of California to cause cancer and birth Tire chains will not fit the compact defects or other reproductive harm. spare. Using them can damage the Batteries also contain other vehicle and the chains. Do not use chemicals known to the State of tire chains on the compact spare. California to cause cancer. WASH HANDS AFTER HANDLING. For more information go to www.P65Warnings.ca.gov/ passenger-vehicle. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

344 VEHICLE CARE See California Proposition 65 Warning 0 271 and the back cover.

{ Warning

Batteries can hurt you. They can be dangerous because: . They contain acid that can burn you. . They contain gas that can explode or ignite. . They contain enough 3.6L V6 Engine Similar 4.2L V8 Engine electricity to burn you. 1. Discharged Remote Battery 1. Discharged Remote Battery If you do not follow these steps Positive Terminal Positive Terminal exactly, some or all of these things 2. Discharged Remote Battery 2. Discharged Remote Battery can hurt you. Negative Ground Terminal Negative Ground Terminal 3. Good Battery Negative 3. Good Battery Negative Terminal Terminal Caution 4. Good Battery Positive 4. Good Battery Positive Terminal Terminal Ignoring these steps could result in The jump start remote positive costly damage to the vehicle that terminal (1) and the remote negative would not be covered by the vehicle ground terminal (2) for the discharged warranty. Trying to start the vehicle battery are on the driver side of the by pushing or pulling it will not vehicle. work, and it could damage the vehicle. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

VEHICLE CARE 345 The jump start negative terminal (3) and positive terminal (4) are on the Caution { Warning battery of the vehicle providing the jump start. If any accessories are left on or Using a match near a battery can plugged in during the jump starting cause battery gas to explode. People The positive jump start connection for procedure, they could be damaged. have been hurt doing this, and the discharged battery is under a red The repairs would not be covered some have been blinded. Use a cover. Remove the cover to expose the by the vehicle warranty. Whenever flashlight if you need more light. terminal. possible, turn off or unplug all Battery fluid contains acid that can 1. Check the other vehicle. It must accessories on either vehicle when burn you. Do not get it on you. have a 12-volt battery with a jump starting. If you accidentally get it in your negative ground system. eyes or on your skin, flush the place 4. Turn the ignition off. Turn off all with water and get medical help Caution lights and accessories in both immediately. vehicles, except the hazard If the other vehicle does not have a warning flashers if needed. 12-volt system with a negative ground, both vehicles can be { Warning damaged. Only use a vehicle that { Warning has a 12-volt system with a An electric fan can start up even Fans or other moving engine parts negative ground for jump starting. when the engine is not running and can injure you badly. Keep your can injure you. Keep hands, hands away from moving parts 2. Position the two vehicles so that clothing, and tools away from any once the engine is running. they are not touching. underhood electric fan. 3. Set the parking brake and shift 5. Connect one end of the red to P (Park). See Shifting Into Park positive (+) cable to the remote 0 188. positive (+) terminal on the discharged battery. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

346 VEHICLE CARE 6. Connect the other end of the red Towing the Vehicle positive (+) cable to the Caution positive (+) terminal of the good battery. If the jumper cables are connected Caution or removed in the wrong order, 7. Connect one end of the black electrical shorting may occur and Incorrectly towing a disabled negative (–) cable to the damage the vehicle. The repairs vehicle may cause damage. The negative (–) terminal of the good would not be covered by the vehicle damage would not be covered by battery. warranty. Always connect and the vehicle warranty. Do not lash or 8. Connect the other end of the remove the jumper cables in the hook to suspension components. black negative (–) cable to the correct order, making sure that the Use the proper straps around the remote negative (–) ground cables do not touch each other or tires to secure the vehicle. Do not terminal on the driver side shock other metal. drag a locked wheel/tire. Use tire tower for the discharged battery. skates or dollies under any locked wheel/tire while loading the vehicle. 9. Start the engine in the vehicle Jumper Cable Removal with the good battery and run Do not use a sling type lift to tow the engine at idle speed for at Reverse the sequence exactly when the vehicle. This could damage the least four minutes. removing the jumper cables. vehicle. 10. Try to start the vehicle that had After starting the disabled vehicle and the dead battery. If it will not removing the jumper cables, allow it to idle for several minutes. start after a few tries, it probably Caution needs service. If the vehicle cannot be shifted into Neutral (N), do not use the tow eye to tow the vehicle. Vehicle damage may occur. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

VEHICLE CARE 347

Caution Caution

Towing an all-wheel-drive vehicle Improper use of the tow eye can with all four wheels on the ground, cause vehicle damage. Use caution or even with only two of its wheels and low speeds to prevent damage on the ground, will damage to the vehicle. drivetrain components. Do not tow an all-wheel-drive vehicle with any Front Attachment Point of its wheels on the ground.

GM recommends a flatbed tow truck to transport a disabled vehicle. Use Install the tow eye into the socket and ramps to help reduce approach angles, turn it until it is fully tightened. When if necessary. A towed vehicle should the tow eye is removed, reinstall the have its drive wheels off the ground. cover with the notch in the original In the case the disabled vehicle must position. be towed, contact Roadside Service if the vehicle is covered by GM and/or OnStar roadside benefits. Otherwise contact a professional towing service. If the vehicle is equipped with a tow eye, it is located in the trunk next to Carefully open the cover in the fascia the spare tire tools. Only use the tow by using the small notch that conceals eye to pull the vehicle onto a flatbed the tow eye socket. car carrier from a flat road surface. Do not use the tow eye to pull the vehicle from snow, mud, or sand. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

348 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. 346. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

VEHICLE CARE 349 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 0 368. 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-13566829) - 2020 - CRC - 6/11/19

350 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-13566829) - 2020 - CRC - 6/11/19

VEHICLE CARE 351 . 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 0 368. 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-13566829) - 2020 - CRC - 6/11/19

352 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 silicon 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-13566829) - 2020 - CRC - 6/11/19

VEHICLE CARE 353 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-13566829) - 2020 - CRC - 6/11/19

354 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-13566829) - 2020 - CRC - 6/11/19

VEHICLE CARE 355 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-13566829) - 2020 - CRC - 6/11/19

356 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-13566829) - 2020 - CRC - 6/11/19

SERVICE AND MAINTENANCE 357 General Information place for routine maintenance such as Service and oil changes and tire rotations and Maintenance Your vehicle is an important additional maintenance items like investment. This section describes the tires, brakes, batteries, and wiper required maintenance for the vehicle. blades. General Information Follow this schedule to help protect General Information ...... 357 against major repair expenses Caution resulting from neglect or inadequate Maintenance Schedule maintenance. It may also help to Damage caused by improper Maintenance Schedule ...... 359 maintain the value of the vehicle if it maintenance can lead to costly is sold. It is the responsibility of the repairs and may not be covered by Special Application Services owner to have all required Special Application Services . . . . . 364 the vehicle warranty. Maintenance maintenance performed. intervals, checks, inspections, Additional Maintenance Your dealer has trained technicians recommended fluids, and lubricants and Care who can perform required are important to keep the vehicle in Additional Maintenance maintenance using genuine good working condition. and Care ...... 365 replacement parts. They have up-to-date tools and equipment for Do not have chemical flushes that Recommended Fluids, fast and accurate diagnostics. Many are not approved by GM performed Lubricants, and Parts dealers have extended evening and on the vehicle. The use of flushes, Recommended Fluids and Saturday hours, courtesy solvents, cleaners, or lubricants that Lubricants ...... 368 transportation, and online scheduling are not approved by GM could Maintenance Replacement to assist with service needs. damage the vehicle, requiring Parts ...... 369 expensive repairs that are not Your dealer recognizes the importance covered by the vehicle warranty. Maintenance Records of providing competitively priced Maintenance Records ...... 371 maintenance and repair services. With trained technicians, the dealer is the Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

358 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 (3.6L Maintenance Schedule Additional vehicle owner. It is recommended to V6 Engine) 0 258 or Required Services - Severe chart. have your dealer perform these Recommended Fuel (4.2L Twin services every 12 000 km/7,500 mi. Turbo V8 Engine) 0 259. { Warning Proper vehicle maintenance helps to Refer to the information in the keep the vehicle in good working Maintenance Schedule Additional Performing maintenance work can condition, improves fuel economy, and Required Services - Normal chart. be dangerous and can cause serious reduces vehicle emissions. injury. Perform maintenance work The Additional Required Services - only if the required information, Because of the way people use Severe are for vehicles that are: vehicles, maintenance needs vary. proper tools, and equipment are There may need to be more frequent . Mainly driven in heavy city traffic available. If they are not, see your checks and services. The Additional in hot weather. dealer to have a trained technician Required Services - Normal are for . Mainly driven in hilly or do the work. See Doing Your Own vehicles that: mountainous terrain. Service Work 0 272. . Carry passengers and cargo within . Frequently towing a trailer. recommended limits on the Tire and Loading Information label. See . Used for high speed or competitive Vehicle Load Limits 0 179. driving. . Are driven on reasonable road . Used for taxi, police, or delivery surfaces within legal driving limits. service. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

SERVICE AND MAINTENANCE 359 Maintenance Schedule vehicle within 5 000 km (3,000 mi) Tire Rotation and Required since the last service. Reset the oil life Services Every 12 000 km Owner Checks and Services system when the oil is changed. See (7,500 mi) Engine Oil Life System 0 280. Check the engine oil level. See Engine Rotate the tires, if recommended for Oil 0 277. Engine Air Filter Change the vehicle, and perform the following 0 Once a Month When the REPLACE AT NEXT OIL services. See Tire Rotation 329. CHANGE message displays, the engine . . Check the tire inflation pressures. Check engine oil level and oil air filter should be replaced at the See Tire Pressure 0 322. life percentage. If needed, next engine oil change. When the change engine oil and filter, . Inspect the tires for wear. See Tire REPLACE ENGINE AIR FILTER SOON and reset oil life system. See Inspection 0 329. message displays, the engine air filter Engine Oil 0 277 and 0 . Check the windshield washer fluid should be replaced at the earliest Engine Oil Life System 280. convenience. Reset the engine air level. See Washer Fluid 0 289. . If equipped with the engine air filter life system after the engine air filter life system, check the air Engine Oil Change filter is replaced. See Engine Air Filter filter life percentage. If necessary, Life System 0 281. When the CHANGE ENGINE OIL replace the engine air filter and SOON message displays, have the Air Conditioning Desiccant reset the engine air filter life engine oil and filter changed within (Replace Every Seven Years) system. See Engine Air Filter Life the next 1 000 km (600 mi). If driven System 0 281. If the vehicle is not under the best conditions, the engine The air conditioning system requires equipped with the engine air filter oil life system may not indicate the maintenance every seven years. This life system, inspect the engine air need for vehicle service for up to a service requires replacement of the cleaner filter. See Engine Air year. The engine oil and filter must be desiccant to help the longevity and Cleaner/Filter 0 282. changed at least once a year and the efficient operation of the air . Check engine coolant level. See oil life system must be reset. Your conditioning system. This service can Cooling System 0 284. trained dealer technician can perform be complex. See your dealer. this work. If the engine oil life system . Check windshield washer fluid is reset accidentally, service the level. See Washer Fluid 0 289. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

360 SERVICE AND MAINTENANCE . Check tire inflation pressures. See . Visually inspect halfshafts and . Lubricate body components. See Tire Pressure 0 322. driveshafts for excessive wear, Exterior Care 0 349. . Inspect tire wear. See Tire lubricant leaks, and/or damage . Check starter switch. See Starter Inspection 0 329. including: tube dents or cracks, Switch Check 0 294. constant velocity joint or universal . Visually check for fluid leaks. joint looseness, cracked or missing . Check parking brake and . Inspect brake system. See Exterior boots, loose or missing boot automatic transmission park Care 0 349. clamps, center bearing excessive mechanism. See Park Brake and looseness, loose or missing P (Park) Mechanism Check 0 294. . Visually inspect steering, fasteners, and axle seals leaks. . suspension, and chassis Check accelerator pedal for components for damage, including . Check restraint system damage, high effort, or binding. cracks or tears in the rubber boots, components. See Safety System Replace if needed. 0 loose or missing parts, or signs of Check 64. . Visually inspect gas strut for signs wear at least once a year. See . Visually inspect fuel system for of wear, cracks, or other damage. Exterior Care 0 349. damage or leaks. Check the hold open ability of the strut. If the hold open ability is . Inspect power steering for proper . Visually inspect exhaust system attachment, connections, binding, low, service the gas strut. See Gas and nearby heat shields for loose Strut(s) 0 296. leaks, cracks, chafing, etc. or damaged parts. . Inspect sunroof track and seal, if equipped. See Sunroof 0 41. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

SERVICE AND MAINTENANCE 361

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. (1) Check engine oil level and oil life percentage. Change engine oil and filter, @@@@@@@@@@@@@@@@@@@@ if needed. Check engine air filter life percentage and status. Change engine air filter, if needed. Replace passenger compartment air filter. (2) @ @ @ @ @ @ Inspect evaporative control system. (3) @ @ @ Replace spark plugs. Inspect spark plug wires and/or @ @ boots. (4.2L Engine) Replace spark plugs. Inspect spark plug wires and/or @ boots. (3.6L Engine) Change transfer case fluid. (4) @ Change rear axle fluid. (Except V-Series) (4) @ Change rear axle fluid. (V-Series Only) (4) @ @ @ Change front axle fluid 4WD. (4) @ Drain and fill engine cooling system. (5) @ Visually inspect accessory drive belts. (6) @ Replace brake fluid. (7) Replace windshield wiper blades. (8) @@@@@@@@@@ Replace hood and/or body lift support gas struts. (9) @ @ Replace air conditioning desiccant. (10) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

362 SERVICE AND MAINTENANCE Footnotes — Maintenance Schedule (3) Visually check all fuel and vapor (6) 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) Do not directly power wash the if needed. and rear tires do not have tire transfer case and/or front/rear axle (7) Replace brake fluid every five rotation. See Tire Rotation 0 329. output seals. High pressure water can years. See Brake Fluid 0 291. (2) Or every two years, whichever overcome the seals and contaminate (8) Or every 12 months, whichever comes first. More frequent passenger the transfer case fluid. Contaminated comes first. See Wiper Blade compartment air filter replacement fluid will decrease the life of the Replacement 0 295. may be needed if driving in areas with transfer case and/or axles and should be replaced. (9) Or every 10 years, whichever heavy traffic, poor air quality, high comes first. See Gas Strut(s) 0 296. dust levels, or environmental (5) Or every five years, whichever allergens. Passenger compartment air comes first. See Cooling System 0 284. (10) Replace air conditioning filter replacement may also be needed desiccant every seven years. if there is reduced airflow, window fogging, or odors. Your GM dealer can help determine when to replace the filter. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

SERVICE AND MAINTENANCE 363

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

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. (1) Check engine oil level and oil life percentage. Change engine oil and filter, @@@@@@@@@@@@@@@@@@@@ if needed. Check engine air filter life percentage and status. Change engine air filter, if needed. Replace passenger compartment air filter. (2) @ @ @ @ @ @ Inspect evaporative control system. (3) @ @ @ Replace spark plugs. Inspect spark plug wires and/or @ @ boots. (4.2L Engine) Replace spark plugs. Inspect spark plug wires and/or @ boots. (3.6L Engine) Change automatic transmission fluid and filter. @ @ @ Change transfer case fluid. (4) @ @ @ Change rear axle fluid. (4) @ @ @ Change front axle fluid 4WD. (4) @ @ @ Drain and fill engine cooling system. (5) @ Visually inspect accessory drive belts. (6) @ Replace brake fluid. (7) Replace windshield wiper blades. (8) @@@@@@@@@@ Replace hood and/or body lift support gas struts. (9) @ @ Replace air conditioning desiccant. (10) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

364 SERVICE AND MAINTENANCE Footnotes — Maintenance Schedule fluid will decrease the life of the Special Application Additional Required Services - transfer case and/or axles and should Severe be replaced. Services (1) Vehicles with different size front (5) Or every five years, whichever . Severe Commercial Use Vehicles and rear tires do not have tire comes first. See Cooling System 0 284. Only: Lubricate chassis 0 rotation. See Tire Rotation 329. (6) Or every 10 years, whichever components every oil change. (2) Or every two years, whichever comes first. Inspect for fraying, . Have underbody flushing service comes first. More frequent passenger excessive cracking, or damage; replace, performed. See "Underbody compartment air filter replacement if needed. Maintenance" in Exterior Care 0 may be needed if driving in areas with (7) Replace brake fluid every five 349. heavy traffic, poor air quality, high years. See Brake Fluid 0 291. dust levels, or environmental allergens. Passenger compartment air (8) Or every 12 months, whichever filter replacement may also be needed comes first. See Wiper Blade if there is reduced airflow, window Replacement 0 295. fogging, or odors. Your GM dealer can (9) Or every 10 years, whichever help determine when to replace the comes first. See Gas Strut(s) 0 296. filter. (10) Replace air conditioning (3) Visually check all fuel and vapor desiccant every seven years. lines and hoses for proper attachment, connection, routing, and condition. (4) Do not directly power wash the transfer case and/or front/rear axle output seals. High pressure water can overcome the seals and contaminate the transfer case fluid. Contaminated Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

SERVICE AND MAINTENANCE 365 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 0 368 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-13566829) - 2020 - CRC - 6/11/19

366 SERVICE AND MAINTENANCE Hoses Shocks and Struts . Signs that the tires need to be Hoses transport fluids and should be Shocks and struts help aid in control replaced include three or more regularly inspected to ensure that for a smoother ride. visible treadwear indicators; cord there are no cracks or leaks. With a or fabric showing through the . Signs of wear may include steering rubber; cracks or cuts in the tread multi-point inspection, your dealer wheel vibration, bounce/sway can inspect the hoses and advise if or sidewall; or a bulge or split in while braking, longer stopping the tire. replacement is needed. distance, or uneven tire wear. . Trained dealer technicians can Lamps . As part of the multi-point inspect and recommend the right Properly working headlamps, inspection, trained dealer tires. Your dealer can also provide taillamps, and brake lamps are technicians can visually inspect tire/wheel balancing services to important to see and be seen on the shocks and struts for signs of ensure smooth vehicle operation the road. leaking, blown seals, or damage, at all speeds. Your dealer sells and and can advise when service is . services name brand tires. Signs that the headlamps need needed. attention include dimming, failure Vehicle Care to light, cracking, or damage. The Tires brake lamps need to be checked To help keep the vehicle looking like Tires need to be properly inflated, new, vehicle care products are periodically to ensure that they rotated, and balanced. Maintaining light when braking. available from your dealer. For the tires can save money and fuel, and information on how to clean and . With a multi-point inspection, can reduce the risk of tire failure. protect the vehicle’s interior and your dealer can check the lamps exterior, see Interior Care 0 353 and and note any concerns. Exterior Care 0 349. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

SERVICE AND MAINTENANCE 367 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-13566829) - 2020 - CRC - 6/11/19

368 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 (3.6L V6 Engine) Engine oil meeting the dexos1 specification of the proper SAE viscosity grade. ACDelco dexos1 full synthetic is recommended. See Engine Oil 0 277. Engine Oil (4.2L V8 Twin Turbo Engine) Engine oil meeting the dexos2 specification of the proper SAE viscosity grade. ACDelco dexos2 is recommended. See Engine Oil 0 277. 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-13566829) - 2020 - CRC - 6/11/19

SERVICE AND MAINTENANCE 369

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 3.6L V6 Engine 23458700 A3204C 4.2L V8 Engine 84166540 A3242C Engine Oil Filter 3.6L V6 Engine 12693541 UPF63R 4.2L V8 Engine 12690385 PF63E Passenger Compartment Air Filter Particulate 13508023 CF185 Carbon 13356914 CF184 Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

370 SERVICE AND MAINTENANCE

Part GM Part Number ACDelco Part Number Spark Plugs 3.6L V6 Engine 12646780 41-130 4.2L V8 Engine 12672175 41-104 Wiper Blades Driver Side – 60 cm (23.62 in) 84574893 — Passenger Side – 45 cm (17.72 in) 84574892 — Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

SERVICE AND MAINTENANCE 371 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-13566829) - 2020 - CRC - 6/11/19

372 TECHNICAL DATA Vehicle Identification Specifications” under Capacities and Technical Data Specifications 0 373 for the vehicle's Vehicle Identification engine code. Vehicle Identification Number (VIN) Vehicle Identification Service Parts Identification Number (VIN) ...... 372 There may be a large barcode on the Service Parts Identification ...... 372 certification label on the center pillar Vehicle Data that you can scan for the following information: Capacities and Specifications . . . . 373 Engine Drive Belt Routing ...... 375 . Vehicle Identification Number (VIN) This legal identifier is in the front . Model designation corner of the instrument panel, on the . Paint information driver side of the vehicle. It can be seen through the windshield from . Production options outside. The Vehicle Identification If there is not a large barcode on this Number (VIN) also appears on the label, then you will find this same Vehicle Certification and Service Parts information on a label inside of the labels and certificates of title and trunk. registration. 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-13566829) - 2020 - CRC - 6/11/19

TECHNICAL DATA 373 Vehicle Data Capacities and Specifications The following approximate capacities are given in metric and English conversions. See Recommended Fluids and Lubricants 0 368 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 Engine Cooling System* 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 11.2 L 11.8 qt 4.2L V8 Engine with Rear A/C 12.9 L 13.6 qt 4.2L V8 Engine Intercoolers 2.7 L 2.8 qt Engine Oil with Filter 3.6L V6 Engine 5.7 L 6.0 qt 4.2L V8 Engine 8.5 L 9.0 qt Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

374 TECHNICAL DATA

Capacities Application Metric English Front Axle 0.4 L 0.42 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. *Engine cooling system capacity values are based on the entire cooling system and its components.

Engine Specifications Engine VIN Code Transmission Spark Plug Gap 3.6L V6 Engine (LGX) S Automatic 0.80–0.90 mm (0.031–0.035 in) 4.2L V8 Engine (LTA) J Automatic 0.74–0.75 mm (0.029–0.030 in) Spark plug gaps are preset by the manufacturer. Re-gapping the spark plug is not recommended and can damage the spark plug. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

TECHNICAL DATA 375 Engine Drive Belt Routing

3.6L V6 Engine

4.2L V8 Engine Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

376 CUSTOMER INFORMATION Customer Reporting Safety Defects Customer Information Reporting Safety Defects to the Information United States Government . . . . . 386 Reporting Safety Defects to the Customer Satisfaction Canadian Government ...... 386 Procedure Customer Information Reporting Safety Defects to Your satisfaction and goodwill are Customer Satisfaction General Motors ...... 387 important to your dealer and to Procedure ...... 376 Vehicle Data Recording and Cadillac. Normally, any concerns with Customer Assistance Offices . . . . 378 Privacy the sales transaction or the operation Customer Assistance for Text of the vehicle will be resolved by your Telephone (TTY) Users ...... 378 Vehicle Data Recording and Privacy ...... 387 dealer's sales or service departments. Online Owner Center ...... 379 Sometimes, however, despite the best GM Mobility Reimbursement Cybersecurity ...... 387 Event Data Recorders ...... 388 intentions of all concerned, Program ...... 379 misunderstandings can occur. If your Roadside Service ...... 380 OnStar ...... 388 Infotainment System ...... 389 concern has not been resolved to your Scheduling Service satisfaction, the following steps Appointments ...... 382 should be taken: Courtesy Transportation Program ...... 382 STEP ONE : Discuss your concern Collision Damage Repair ...... 383 with a member of dealership Publication Ordering management. Normally, concerns can Information ...... 385 be quickly resolved at that level. If the Radio Frequency Statement . . . . . 386 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-13566829) - 2020 - CRC - 6/11/19

CUSTOMER INFORMATION 377 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 BBB National Programs, Inc. – – at 1-800 458 8006. In Canada, call procedure outlined in Steps One and 3033 Wilson Boulevard the Canadian Cadillac Customer Care Two, you can file with the Better Suite 600 Centre at 1-888-446-2000. Business Bureau (BBB) Auto Line Arlington, VA 22201 Program to enforce your rights. We encourage you to call the toll-free Telephone: 1-800-955-5100 number in order to give your inquiry The BBB Auto Line Program is an http://www.bbb.org/council/ prompt attention. Have the following out-of-court program administered by programs-services/ information available to give the BBB National Programs, Inc. to settle dispute-handling-and-resolution/ Customer Assistance representative: automotive disputes regarding vehicle bbb-auto-line . repairs or the interpretation of the Vehicle Identification This program is available in all Number (VIN). This is available New Vehicle Limited Warranty. Although you may be required to 50 states and the District of Columbia. from the vehicle registration or Eligibility is limited by vehicle age, title, or the plate at the top left of resort to this informal dispute resolution program prior to filing a mileage, and other factors. General the instrument panel and visible Motors reserves the right to change through the windshield. court action, use of the program is free of charge and your case will eligibility limitations and/or . Dealership name and location. generally be heard within 40 days. discontinue its participation in this . Vehicle delivery date and present If you do not agree with the decision program. mileage. given in your case, you may reject it STEP THREE — Canadian Owners : and proceed with any other venue for In the event that you do not feel your When contacting Cadillac, remember relief available to you. that your concern will likely be concerns have been addressed after resolved at a dealer's facility. That is following the procedure outlined in why we suggest following Step One Steps One and Two, General Motors of first. Canada Company wants you to be Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

378 CUSTOMER INFORMATION aware of its participation in a General Motors Cadillac Customer From U.S. Virgin Islands: no-charge mediation/arbitration Care Centre 1-800-496-9994 program. General Motors of Canada General Motors of Canada Company Company has committed to binding Mail Code: CA1-163-005 Canada arbitration of owner disputes involving 1908 Colonel Sam Drive General Motors of Canada Company factory-related vehicle service claims. Oshawa, Ontario L1H 8P7 Cadillac Customer Care Centre, The program provides for the review The inquiry should be accompanied Mail Code: CA1-163-005 of the facts involved by an impartial by the Vehicle Identification 1908 Colonel Sam Drive third party arbiter, and may include Number (VIN). Oshawa, Ontario L1H 8P7 an informal hearing before the arbiter. www.gm.ca The program is designed so that the entire dispute settlement process, Customer Assistance 1-888-446-2000 (English/French) from the time you file your complaint Offices Cadillac Roadside Service: to the final decision, should be Cadillac encourages customers to call 1-800-882-1112 completed in about 70 days. We the toll-free number for assistance. Overseas believe our impartial program offers However, if a customer wishes to advantages over courts in most write or e-mail Cadillac, the letter Contact the local General Motors jurisdictions because it is informal, should be addressed to: Business Unit. quick, and free of charge. For further information concerning United States and Puerto Rico Customer Assistance for eligibility in the Canadian Motor Cadillac Customer Assistance Center Text Telephone (TTY) Vehicle Arbitration Plan (CAMVAP), Cadillac Motor Car Division Users call toll-free 1-800-207-0685, or call P.O. Box 33169 the Cadillac Customer Care Centre, Detroit, MI 48232-5169 To assist customers who are deaf, 1-888-446-2000, or write to: www.Cadillac.com hard of hearing, or speech-impaired and who use Text Telephones (TTYs), 1-800-458-8006 Cadillac has TTY equipment available 1-800-833-2622 (For Text Telephone at its Customer Assistance Center. Any devices (TTYs)) TTY user can communicate with Roadside Service: 1-800-224-1400 Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

CUSTOMER INFORMATION 379 Cadillac by dialing: 1-800-833-2622. r : Track your vehicle’s warranty GM Mobility TTY users in Canada can dial information. 1-800-263-3830. Reimbursement Program J : View active recalls or search by Online Owner Center Vehicle Identification Number (VIN). See Vehicle Identification Number (VIN) Online Owner Experience (U.S.) 0 372. my.cadillac.com H : Compare and shop for Cadillac The Cadillac online owner experience and OnStar plans and services. View allows access to videos, articles, and GM Card and SiriusXM information (if vehicle health specific to your Cadillac equipped). This program is available to qualified as well as your OnStar Account F : Chat with online help applicants for cost reimbursement, up information all in one place. representatives. to certain limits, of eligible aftermarket adaptive equipment Membership Benefits See my.cadillac.com to register your required for the vehicle, such as hand vehicle. E : Download owner’s manuals and controls or a wheelchair/scooter lift view vehicle-specific how-to videos. Cadillac Owner Centre (Canada) for the vehicle. G : View maintenance schedules, mycadillac.ca To learn about the GM Mobility alerts, and Vehicle Diagnostic Visit the Cadillac Owner Centre at program, see www.gmmobility.com or Information. Schedule service mycadillac.ca (English) or call the GM Mobility Assistance appointments. my.cadillac.ca (French) to access Center at 1-800-323-9935. Text I similar benefits to the U.S. site. Telephone (TTY) users, call : View printable dealer-recorded 1-800-833-9935. service records and self-recorded service records. General Motors of Canada also has a D Mobility program. See www.gm.ca or : Select a dealer and view call 1-800-GM-DRIVE (800-463-7483) locations, maps, phone numbers, and for details. TTY users call hours. 1-800-263-3830. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

380 CUSTOMER INFORMATION Roadside Service Coverage . Lock-Out Service: Service to unlock the vehicle if you are Services are provided for the duration U.S.: 1-800-224-1400. locked out. A remote unlock may of the vehicle’s powertrain warranty. Canada: 1-800-882-1112. be available if you have OnStar. In the U.S., anyone driving the vehicle For security reasons, the driver Text Telephone (TTY) Users (U.S. is covered. In Canada, a person driving must present identification before Only): 1-888-889-2438. the vehicle without permission from this service is given. the owner is not covered. Service is available 24 hours a day, . Emergency Tow from a Public 365 days a year. Roadside Service is not a part of the Road or Highway: Tow to the Calling for Service New Vehicle Limited Warranty. nearest Cadillac dealer for General Motors North America and warranty service, or if the vehicle When calling Roadside Service, have Cadillac reserve the right to make any was in a crash and cannot be the following information ready: changes or discontinue the Roadside driven. Assistance is not given . Your name, home address, and Service program at any time without when the vehicle is stuck in the home telephone number notification. sand, mud, or snow. . Telephone number of your General Motors North America and . Flat Tire Change: Service to location Cadillac reserve the right to limit change a flat tire with a spare tire. services or payment to an owner or The spare tire, if equipped, must . Location of the vehicle driver if they decide the claims are be in good condition and properly . Model, year, color, and license made too often, or the same type of inflated. It is your responsibility plate number of the vehicle claim is made many times. for the repair or replacement of the tire if it is not covered by the . Odometer reading, Vehicle Cadillac Owner Privileges™ Identification Number (VIN), and warranty. delivery date of the vehicle . Emergency Fuel Delivery: . Battery Jump Start: Service to Delivery of enough fuel for the jump start a dead battery. . Description of the problem vehicle to get to the nearest service station. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

CUSTOMER INFORMATION 381 . Trip Interruption Benefits and necessary Cadillac parts and tools . Trip Interruption Benefits and Service: If your trip is interrupted required to handle most roadside Service: Pre-authorization, original due to a warranty failure, repairs. detailed receipts, and a copy of the incidental expenses may be repair orders are required. Once reimbursed during the Powertrain Services Not Included in authorization has been received, warranty period. Items considered Roadside Service the Roadside Service advisor will are hotel, meals, and rental car or . Impound towing caused by help you make arrangements and a vehicle being delivered back to violation of any laws explain how to receive payment. the customer, up to 500 miles. Items considered are hotel, meals, . Legal fines and rental car or a vehicle being Cadillac Technician Roadside . Mounting, dismounting, delivered back to the customer, up Service (U.S. Only) or changing of snow tires, chains, to 800 km. Cadillac's exceptional Roadside Service or other traction devices . Alternative Service: If assistance is more than an auto club or towing Service is not provided if a vehicle is cannot be provided right away, the service. It provides every Cadillac in an area that is not accessible to the Roadside Service advisor may give owner in the United States with the service vehicle or is not a regularly you permission to get local advantage of contacting a Cadillac traveled or maintained public road, emergency road service. You will advisor and, where available, a which includes ice and winter roads. receive payment, up to $100, after Cadillac trained dealer technician who Off-road use is not covered. sending the original receipt to can provide on-site service. Roadside Service. Mechanical Services Specific to A dealer technician will travel to your failures may be covered, however location within a 30-mile radius of a Canadian-Purchased Vehicles any cost for parts and labor for participating Cadillac dealership. . Fuel delivery: Reimbursement is repairs not covered by the If beyond this radius, we will arrange up to 7 liters. Diesel fuel delivery warranty are the owner to have your car towed to the nearest may be restricted. Propane and responsibility. Cadillac dealership. Each technician other fuels are not provided travels with a specially equipped through this service. service vehicle complete with the . Lock-Out Service: Vehicle registration is required. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

382 CUSTOMER INFORMATION Scheduling Service Courtesy Transportation Transportation Options Appointments Program Warranty service can generally be completed while you wait. However, When the vehicle requires warranty To enhance your ownership if you are unable to do so, your dealer service, contact your dealer and experience, we and our participating may offer the following transportation request an appointment. By dealers are proud to offer Courtesy options: scheduling a service appointment and Transportation, a customer support advising the service consultant of program for vehicles with the Shuttle Service your transportation needs, your dealer Bumper-to-Bumper (Base Warranty This includes one-way or round-trip can help minimize your Coverage period in Canada), extended shuttle service within reasonable time inconvenience. powertrain, and/or hybrid-specific and distance parameters of your warranties in both the U.S. and If the vehicle cannot be scheduled dealer's area. into the service department Canada. immediately, keep driving it until it Several Courtesy Transportation Public Transportation or Fuel Reimbursement can be scheduled for service, unless, options are available to assist in of course, the problem is safety reducing inconvenience when If overnight warranty repairs are related. If it is, please call your warranty repairs are required. needed, and public transportation is dealership, let them know this, and Courtesy Transportation is not a part used, the expense must be supported ask for instructions. of the New Vehicle Limited Warranty. by original receipts and within the If your dealer requests you to bring A separate manual entitled “Limited maximum amount allowed by GM. the vehicle for service, you are urged Warranty and Owner Assistance If U.S. customers arrange their own to do so as early in the work day as Information” furnished with each new transportation, limited reimbursement possible to allow for same-day repair. vehicle provides detailed warranty for reasonable fuel expenses may be coverage information. available. Claim amounts should reflect actual costs and be supported by original receipts. See your dealer for information. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

CUSTOMER INFORMATION 383 Courtesy Rental Vehicle General Motors reserves the right to The use of Genuine GM parts can help For an overnight warranty repair, the unilaterally modify, change, maintain the GM New Vehicle Limited dealer may provide an available or discontinue Courtesy Warranty. courtesy rental vehicle or provide for Transportation at any time and to Recycled original equipment parts reimbursement of a rental vehicle. resolve all questions of claim may also be used for repair. These Reimbursement is limited and must eligibility pursuant to the terms and parts are typically removed from be supported by original receipts as conditions described herein at its sole vehicles that were total losses in prior well as a signed and completed rental discretion. crashes. In most cases, the parts being agreement and meet state/provincial, recycled are from undamaged sections local, and rental vehicle provider Collision Damage Repair of the vehicle. A recycled original requirements. Requirements vary and If the vehicle is involved in a collision equipment GM part may be an may include minimum age and it is damaged, have the damage acceptable choice to maintain the requirements, insurance coverage, repaired by a qualified technician vehicle's originally designed credit card, etc. Additional fees such using the proper equipment and appearance and safety performance; as fuel, rental vehicle insurance, taxes, quality replacement parts. Poorly however, the history of these parts is levies, usage fees, excessive mileage, performed collision repairs diminish not known. Such parts are not covered or rental usage beyond the completion the vehicle resale value, and safety by the GM New Vehicle Limited of the repair are also your performance can be compromised in Warranty, and any related failures are responsibility. subsequent collisions. not covered by that warranty. It may not be possible to provide a Collision Parts Aftermarket collision parts are also like vehicle as a courtesy rental. available. These are made by Genuine GM Collision parts are new companies other than GM and may Additional Program Information parts made with the same materials not have been tested for the vehicle. All program options, such as shuttle and construction methods as the parts As a result, these parts may fit poorly, service, may not be available at every with which the vehicle was originally exhibit premature durability/corrosion dealer. Contact your dealer for specific built. Genuine GM Collision parts are problems, and may not perform availability. the best choice to ensure that the properly in subsequent collisions. vehicle's designed appearance, Aftermarket parts are not covered by durability, and safety are preserved. the GM New Vehicle Limited Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

384 CUSTOMER INFORMATION Warranty, and any vehicle failure recommend that you ensure that the For emergency towing see Roadside related to such parts is not covered by vehicle will be repaired with GM Service 0 380. that warranty. original equipment collision parts. Gather the following information: If such insurance coverage is not Repair Facility available from your current insurance . Driver name, address, and GM also recommends that you choose carrier, consider switching to another telephone number a collision repair facility that meets insurance carrier. . Driver license number your needs before you ever need If the vehicle is leased, the leasing collision repairs. Your dealer may have . Owner name, address, and company may require you to have telephone number a collision repair center with insurance that ensures repairs with GM-trained technicians and Genuine GM Original Equipment . Vehicle license plate number state-of-the-art equipment, or be able Manufacturer (OEM) parts or Genuine . Vehicle make, model, and to recommend a collision repair center Manufacturer replacement parts. Read model year that has GM-trained technicians and the lease carefully, as you may be . comparable equipment. charged at the end of the lease for Vehicle Identification Number (VIN) Insuring the Vehicle poor quality repairs. . Insurance company and policy Protect your investment in the GM If a Crash Occurs number vehicle with comprehensive and If there has been an injury, call collision insurance coverage. There are . General description of the damage emergency services for help. Do not to the other vehicle significant differences in the quality of leave the scene of a crash until all coverage afforded by various matters have been taken care of. Move Choose a reputable repair facility that insurance policy terms. Many the vehicle only if its position puts uses quality replacement parts. See insurance policies provide reduced you in danger, or you are instructed to “Collision Parts” earlier in this section. protection to the GM vehicle by move it by a police officer. If the airbag has inflated, see What limiting compensation for damage Will You See after an Airbag Inflates? repairs by using aftermarket collision Give only the necessary information 0 70. parts. Some insurance companies will to police and other parties involved in not specify aftermarket collision parts. the crash. When purchasing insurance, we Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

CUSTOMER INFORMATION 385 Managing the Vehicle Damage If another party's insurance company Customer literature publications Repair Process is paying for the repairs, you are not available for purchase include owner’s obligated to accept a repair valuation manuals, warranty manuals, In the event that the vehicle requires based on that insurance company's infotainment manuals, and portfolios. damage repairs, GM recommends that collision policy repair limits, as you Portfolios include an owner’s manual, you take an active role in its repair. have no contractual limits with that warranty manual, infotainment If you have a pre-determined repair company. In such cases, you can have manual, if applicable, and zip lock bag facility of choice, take the vehicle control of the repair and parts choices or pouch. there, or have it towed there. Specify as long as the cost stays within to the facility that any required reasonable limits. Current and Past Models replacement collision parts be original Service manuals and customer equipment parts, either new Genuine Publication Ordering literature are available for many GM parts or recycled original GM current and past model year GM parts. Remember, recycled parts will Information vehicles. not be covered by the GM vehicle Service Manuals warranty. To order, call 1-800-551-4123 Monday–Friday, 8:00 a.m.–6:00 p.m. Insurance pays the bill for the repair, Service manuals have the diagnosis eastern time but you must live with the repair. and repair information on the engine, Depending on your policy limits, your transmission, axle, suspension, brakes, For credit card orders only (VISA, insurance company may initially value electrical system, steering system, MasterCard, or Discover), see Helm, the repair using aftermarket parts. body, etc. Inc. at: www.helminc.com. Discuss this with the repair Customer Literature To order by mail, write to: professional, and insist on Genuine GM parts. Remember, if the vehicle is Owner’s manuals are written Helm, Incorporated leased, you may be obligated to have specifically for owners and are Attention: Customer Service the vehicle repaired with Genuine GM intended to provide basic operational 47911 Halyard Drive parts, even if your insurance coverage information about the vehicle. The Plymouth, MI 48170 owner’s manual includes the does not pay the full cost. Make checks payable in U.S. funds. Maintenance Schedule for all models. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

386 CUSTOMER INFORMATION Radio Frequency Reporting Safety To contact NHTSA, you may call Statement the Vehicle Safety Hotline toll-free Defects at 1-888-327-4236 (TTY: This vehicle has systems that operate 1-800-424-9153); go to on a radio frequency that complies Reporting Safety Defects http://www.safercar.gov; or write to: with Part 15/Part 18 of the Federal to the United States Communications Commission (FCC) Administrator, NHTSA rules and with Innovation, Science Government 1200 New Jersey Avenue, S.E. and Economic Development (ISED) If you believe that your vehicle Washington, D.C. 20590 Canada's RSP-100 / ICES-GEN. has a defect which could cause a You can also obtain other Operation is subject to the following crash or could cause injury or information about motor vehicle two conditions: death, you should immediately safety from http://www.safercar.gov. 1. The device may not cause inform the National Highway harmful interference. Traffic Safety Administration Reporting Safety Defects 2. The device must accept any (NHTSA) in addition to notifying to the Canadian interference received, including General Motors. Government interference that may cause If NHTSA receives similar If you live in Canada, and you undesired operation of the complaints, it may open an believe that the vehicle has a device. investigation, and if it finds that a safety defect, notify Transport Changes or modifications to any of safety defect exists in a group of Canada immediately, and notify these systems by other than an vehicles, it may order a recall and General Motors of Canada authorized service facility could void remedy campaign. However, Company. Call Transport Canada authorization to use this equipment. NHTSA cannot become involved at 1-800-333-0510; go to: in individual problems between you, your dealer, or General www.tc.gc.ca/recalls (English) Motors. www.tc.gc.ca/rappels (French) Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

CUSTOMER INFORMATION 387 or write to: Vehicle Data Recording collect this information to provide, Transport Canada evaluate, improve, and troubleshoot and Privacy our products and services and to Motor Vehicle Safety Directorate develop new products and services. The vehicle has a number of Defect Investigations and Recalls The protection of vehicle electronics computers that record information Division systems and customer data from about the vehicle’s performance and 80 Noel Street unauthorized outside electronic access how it is driven or used. For example, Gatineau, QC J8Z 0A1 or control is important to GM. GM the vehicle uses computer modules to maintains appropriate security monitor and control engine and standards, practices, guidelines and Reporting Safety Defects transmission performance, to monitor controls aimed at defending the to General Motors the conditions for airbag deployment vehicle and the vehicle service and deploy them in a crash, and, In addition to notifying NHTSA (or ecosystem against unauthorized if equipped, to provide antilock Transport Canada) in a situation like electronic access, detecting possible braking to help the driver control the this, notify General Motors. malicious activity in related networks, vehicle. These modules may store data and responding to suspected Call 1-800-458-8006, or write: to help the dealer technician service cybersecurity incidents in a timely, the vehicle or to help GM improve Cadillac Customer Assistance Center coordinated and effective manner. safety or features. Some modules may Cadillac Motor Car Division Security incidents could impact your also store data about how the vehicle P.O. Box 33169 safety or compromise your private is operated, such as rate of fuel Detroit, MI 48232-5169 data. To minimize security risks, consumption or average speed. These please do not connect your vehicle In Canada, call 1-888-446-2000, modules may retain personal electronic systems to unauthorized or write: preferences, such as radio presets, seat devices or connect your vehicle to any positions, and temperature settings. Canadian Cadillac Customer Care unknown or untrusted networks (such Centre, Mail Code: CA1-163-005 as Bluetooth, WIFI or similar General Motors of Canada Company Cybersecurity technology). In the event you suspect 1908 Colonel Sam Drive GM collects information about the use any security incident impacting your Oshawa, Ontario L1H 8P7 of your vehicle including operational and safety related information. We Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

388 CUSTOMER INFORMATION data or the safe operation of your These data can help provide a better request by police or similar vehicle, please stop operating your understanding of the circumstances in government office; as part of GM's vehicle and contact your dealer. which crashes and injuries occur. defense of litigation through the Note discovery process; or, as required by Event Data Recorders law. Data that GM collects or receives EDR data are recorded by your vehicle may also be used for GM research This vehicle is equipped with an event only if a non-trivial crash situation needs or may be made available to data recorder (EDR). The main occurs; no data are recorded by the others for research purposes, where a purpose of an EDR is to record, in EDR under normal driving conditions need is shown and the data is not tied certain crash or near crash-like and no personal data (e.g., name, to a specific vehicle or vehicle owner. situations, such as an air bag gender, age, and crash location) are deployment or hitting a road obstacle, recorded. However, other parties, such OnStar data that will assist in understanding as law enforcement, could combine how a vehicle’s systems performed. the EDR data with the type of If the vehicle is equipped with OnStar The EDR is designed to record data personally identifying data routinely and has an active service plan, related to vehicle dynamics and safety acquired during a crash investigation. additional data may be collected and systems for a short period of time, To read data recorded by an EDR, transmitted through the OnStar typically 30 seconds or less. The EDR special equipment is required, and system. This includes information in this vehicle is designed to record access to the vehicle or the EDR is about the vehicle’s operation; such data as: needed. In addition to the vehicle collisions involving the vehicle; the . How various systems in your manufacturer, other parties, such as use of the vehicle and its features, vehicle were operating; law enforcement, that have the special including infotainment; and the equipment, can read the information location and approximate GPS speed . Whether or not the driver and if they have access to the vehicle or of the vehicle. Refer to the OnStar passenger safety belts were the EDR. Terms and Conditions and Privacy buckled/fastened; Statement on the OnStar website. GM will not access these data or share . How far (if at all) the driver was it with others except: with the consent See OnStar Additional Information depressing the accelerator and/or 0 of the vehicle owner or, if the vehicle 392. brake pedal; and, is leased, with the consent of the . How fast the vehicle was traveling. lessee; in response to an official Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

CUSTOMER INFORMATION 389 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-13566829) - 2020 - CRC - 6/11/19

390 ONSTAR OnStar Overview including system limitations at OnStar www.onstar.com (U.S.) or www.onstar.ca (Canada). OnStar Overview The OnStar system status light is next OnStar Overview ...... 390 to the OnStar buttons. If the status light is: OnStar Services Emergency ...... 391 . Solid Green: System is ready. Security ...... 391 . Flashing Green: On a call. = Voice Command Button OnStar Additional Information . Red: Indicates a problem. OnStar Additional Q Blue OnStar Button . Off: System is off. Press Q Information ...... 392 > twice Red Emergency Button to speak with an OnStar Advisor. This vehicle may be equipped with a Q comprehensive, in-vehicle system that Press or call 1-888-4ONSTAR can connect to an OnStar Advisor for (1-888-466-7827) to speak to an Emergency, Security, Navigation, Advisor. Connections, and Diagnostics Services. Functionality of the Voice Command OnStar services may require a paid button may vary by vehicle and service plan and data plan. OnStar region. requires the vehicle battery and electrical system, cellular service, and Press = to: GPS satellite signals to be available . Open the OnStar app on the and operating. OnStar acts as a link to infotainment display. See the existing emergency service providers. infotainment manual for OnStar may collect information about information on how to use the you and your vehicle, including OnStar app. location information. See OnStar User Terms, Privacy Statement, and Software Terms for more details Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

ONSTAR 391 Or OnStar Services Security . Give OnStar Turn-by-Turn If equipped, OnStar provides these Navigation voice commands. Emergency services: . Obtain and customize the Wi-Fi Emergency Services require an active . With Stolen Vehicle Assistance, hotspot name or SSID and safety and security plan. With OnStar Advisors can use GPS to password, if equipped. Automatic Crash Response, built-in pinpoint the vehicle and help Press Q to connect to an Advisor to: sensors can automatically alert a authorities quickly recover it. specially trained OnStar Advisor who . With Remote Ignition Block, . Verify account information or is immediately connected in to the update contact information. if equipped, OnStar can block the vehicle to help. engine from being restarted. . Get driving directions. Press > for a priority connection to . With Stolen Vehicle Slowdown, . Receive a Diagnostic check of the an OnStar Advisor who can contact if equipped, OnStar can work with vehicle's key operating systems. emergency service providers, direct law enforcement to gradually slow . Receive Roadside Service. them to your exact location, and relay the vehicle down. important information. . Manage Wi-Fi Settings, Theft Alarm Notification if equipped. With OnStar Crisis Assist, specially trained Advisors are available If equipped, if the doors are locked Press > to get a priority connection 24 hours a day, 7 days a week, to and the vehicle alarm sounds, a to an OnStar Advisor available 24/7 to: provide a central point of contact, notification by text, e-mail, or phone assistance, and information during a call will be sent. If the vehicle is . Get help for an emergency. crisis. stolen, an OnStar Advisor can work . with authorities to recover the vehicle. Be a Good Samaritan or respond With Roadside Service, Advisors can to an AMBER Alert. locate a nearby service provider to . Get assistance in severe weather help with a flat tire, a battery jump, or other crisis situations and find or an empty gas tank. evacuation routes. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

392 ONSTAR OnStar Additional Reactivation for Subsequent OnStar or connected services cannot Owners work unless the vehicle is in a place Information where OnStar has an agreement with Press Q and follow the prompts to a wireless service provider for service In-Vehicle Audio Messages speak to an Advisor as soon as in that area. The wireless service Audio messages may play important possible. The Advisor will update provider must also have coverage, information at the following times: vehicle records and explain OnStar or network capacity, reception, and connected service options. technology compatible with OnStar or . Prior to vehicle purchase. Press Q connected services. Service involving to set up an account. How OnStar Service Works location information about the vehicle . After change in ownership and at Automatic Crash Response, cannot work unless GPS signals are 90 days. Emergency Services, Crisis Assist, available, unobstructed, and Stolen Vehicle Assistance, Remote compatible with the OnStar hardware. Transferring Service Services, and Roadside Service are OnStar or connected services may not Q available on most vehicles. Not all work if the OnStar equipment is not Press to request account transfer OnStar services are available properly installed or it has not been eligibility information. The Advisor everywhere or on all vehicles. For properly maintained. If equipment or can cancel or change account more information, a full description of software is added, connected, information. OnStar services, system limitations, or modified, OnStar or connected Selling/Transferring the Vehicle and OnStar User Terms, Privacy services may not work. Other Statement, and Software Terms: problems beyond the control of Call 1-888-4ONSTAR (1-888-466-7827) OnStar — such as hills, tall buildings, immediately to terminate your OnStar . Call 1-888-4ONSTAR (1-888-466-7827). tunnels, weather, electrical system or connected services if the vehicle is design and architecture of the vehicle, disposed of, sold, transferred, or if the . See www.onstar.com (U.S.). damage to the vehicle in a crash, lease ends. . See www.onstar.ca (Canada). or wireless phone network congestion or jamming — may prevent service. . Call TTY 1-877-248-2080. See Radio Frequency Statement 0 386. . Press Q to speak with an Advisor. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

ONSTAR 393 Services for People with mode is on, phone calls can be made Potential Issues or received with OnStar using the Disabilities OnStar cannot perform Remote Door infotainment display. Advisors provide services to help with Unlock or Stolen Vehicle Assistance physical disabilities and medical OnStar Personal Identification after the vehicle has been off conditions. Number (PIN) continuously for 10 days without an ignition cycle. If the vehicle has not Press Q to help: A PIN is needed to access some been started for 10 days, OnStar can OnStar services. The PIN will need to . contact Roadside Service or a Locate a gas station with an be changed the first time when attendant to pump gas. locksmith to help gain access to the speaking with an Advisor. To change vehicle. . Find a hotel, restaurant, etc., that the OnStar PIN, contact an OnStar meets accessibility needs. Advisor by pressing Q or calling Global Positioning System (GPS) . Provide directions to the closest 1-888-4ONSTAR. . Obstruction of the GPS can occur hospital or pharmacy in urgent Warranty in a large city with tall buildings; situations. in parking garages; around OnStar equipment may be warranted airports; in tunnels and TTY Users as part of the vehicle warranty. underpasses; or in an area with very dense trees. If GPS signals are OnStar has the ability to communicate Languages to deaf, hard-of-hearing, not available, the OnStar system or speech-impaired customers while in The vehicle can be programmed to should still operate to call OnStar. the vehicle. The available respond in multiple languages. However, OnStar could have dealer-installed TTY system can Press Q and ask for an Advisor. difficulty identifying the exact provide in-vehicle access to all OnStar Advisors are available in English, location. services, except Virtual Advisor and Spanish, and French. Available . In emergency situations, OnStar OnStar Turn-by-Turn Navigation. languages may vary by country. can use the last stored GPS If equipped, TTY mode can be turned location to send to emergency on or off by touching Settings, then responders. Apps, and then Phone. When TTY Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

394 ONSTAR A temporary loss of GPS can cause function properly. These systems may personal information. Such collection loss of the ability to send a not operate if the battery is is described in the OnStar privacy Turn-by-Turn Navigation route. The discharged or disconnected. statement or separately disclosed at Advisor may give a verbal route or the time of installation. These updates may ask for a call back after the Add-on Electrical Equipment or changes may also cause a system to vehicle is driven into an open area. The OnStar system is integrated into automatically communicate with GM servers to collect information about Cellular and GPS Antennas the electrical architecture of the vehicle. Do not add any electrical vehicle system status, identify Cellular reception is required for equipment. See Add-On Electrical whether updates or changes are OnStar to send remote signals to the Equipment 0 269. Added electrical available, or deliver updates or vehicle. Do not place items over or equipment may interfere with the changes. An active OnStar agreement near the antenna to prevent blocking operation of the OnStar system and constitutes consent to these software cellular and GPS signal reception. cause it to not operate. updates or changes and agreement that either OnStar or GM may Unable to Connect to OnStar Vehicle Software Updates remotely deliver them to the vehicle. Message OnStar or GM may remotely deliver Privacy If there is limited cellular coverage or software updates or changes to the the cellular network has reached vehicle without further notice or The complete OnStar Privacy maximum capacity, this message may consent. These updates or changes Statement may be found at come on. Press Q to try the call again may enhance or maintain safety, www.onstar.com (U.S.), or www.onstar.ca (Canada). We or try again after driving a few miles security, or the operation of the recommend that you review it. If you into another cellular area. vehicle or the vehicle systems. Software updates or changes may have any questions, call Vehicle and Power Issues affect or erase data or settings that 1-888-4ONSTAR (1-888-466-7827) or are stored in the vehicle, such as Q OnStar services require a vehicle press to speak with an Advisor. saved navigation destinations or electrical system, wireless service, and Users of wireless communications are pre-set radio stations. Neither OnStar GPS satellite technologies to be cautioned that the privacy of any nor GM is responsible for any affected available and operating for features to information sent via wireless cellular or erased data or settings. These communications cannot be assured. updates or changes may also collect Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

ONSTAR 395 Third parties may unlawfully intercept THE SOFTWARE IS PROVIDED “AS document should be available at or access transmissions and private IS,” WITHOUT WARRANTY OF ANY ftp://ftp.info-zip.org/pub/infozip/ communications without consent. KIND, EXPRESS OR IMPLIED, license.html indefinitely. INCLUDING BUT NOT LIMITED TO OnStar - Software Copyright (c) 1990-2005 Info-ZIP. All THE WARRANTIES OF rights reserved. Acknowledgements MERCHANTABILITY, FITNESS FOR A Certain OnStar components include PARTICULAR PURPOSE AND For the purposes of this copyright and libcurl and unzip software and other NONINFRINGEMENT OF THIRD license, “Info-ZIP” is defined as the third party software. Below are the PARTY RIGHTS. IN NO EVENT SHALL following set of individuals: notices and licenses associated THE AUTHORS OR COPYRIGHT Mark Adler, John Bush, Karl Davis, with libcurl and unzip and for other HOLDERS BE LIABLE FOR ANY Harald Denker, Jean-Michel Dubois, third party software please see CLAIM, DAMAGES OR OTHER Jean-loup Gailly, Hunter Goatley, Ed http://opensource.lge.com/index LIABILITY, WHETHER IN AN ACTION Gordon, Ian Gorman, Chris Herborth, OF CONTRACT, TORT OR www.onstar.com/us/en/ Dirk Haase, Greg Hartwig, Robert OTHERWISE, ARISING FROM, OUT Heath, Jonathan Hudson, Paul Kienitz, libcurl: OF OR IN CONNECTION WITH THE David Kirschbaum, Johnny Lee, Onno SOFTWARE OR THE USE OR OTHER van der Linden, Igor Mandrichenko, COPYRIGHT AND PERMISSION DEALINGS IN THE SOFTWARE. NOTICE Steve P. Miller, Sergio Monesi, Keith Except as contained in this notice, the Owens, George Petrov, Greg Roelofs, Copyright (c) 1996 - 2010, Daniel name of a copyright holder shall not Kai Uwe Rommel, Steve Salisbury, Stenberg, . be used in advertising or otherwise to Dave Smith, Steven M. Schweda, All rights reserved. promote the sale, use or other Christian Spieler, Cosmin Truta, dealings in this Software without prior Antoine Verheijen, Paul von Behren, Permission to use, copy, modify, and written authorization of the copyright Rich Wales, Mike White. distribute this software for any holder. purpose with or without fee is hereby This software is provided “as is,” granted, provided that the above unzip: without warranty of any kind, express copyright notice and this permission or implied. In no event shall Info-ZIP This is version 2005-Feb-10 of the notice appear in all copies. or its contributors be held liable for Info-ZIP copyright and license. any direct, indirect, incidental, special The definitive version of this Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

396 ONSTAR or consequential damages arising out normal SFX banner has not been 4. Info-ZIP retains the right to use of the use of or inability to use this removed from the binary or the names “Info-ZIP,”“Zip,” software. disabled. “UnZip,”“UnZipSFX,”“WiZ,” “ ”“ ” Permission is granted to anyone to 3. Altered versions–including, but Pocket UnZip, Pocket Zip, and “ ” use this software for any purpose, not limited to, ports to new MacZip for its own source and including commercial applications, operating systems, existing ports binary releases. and to alter it and redistribute it with new graphical interfaces, freely, subject to the following and dynamic, shared, or static restrictions: library versions–must be plainly 1. Redistributions of source code marked as such and must not be must retain the above copyright misrepresented as being the notice, definition, disclaimer, and original source. Such altered this list of conditions. versions also must not be misrepresented as being Info-ZIP 2. Redistributions in binary form releases–including, but not (compiled executables) must limited to, labeling of the altered reproduce the above copyright versions with the names notice, definition, disclaimer, and “Info-ZIP” (or any variation this list of conditions in thereof, including, but not documentation and/or other limited to, different materials provided with the capitalizations), “Pocket UnZip,” distribution. The sole exception “WiZ” or “MacZip” without the to this condition is redistribution explicit permission of Info-ZIP. of a standard UnZipSFX binary Such altered versions are further (including SFXWiz) as part of a prohibited from self-extracting archive; that is misrepresentative use of the permitted without inclusion of Zip-Bugs or Info-ZIP e-mail this license, as long as the addresses or of the Info-ZIP URL(s). Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

CONNECTED SERVICES 397 Connected Services Connected Services Cancel Route 1. Press =. System responds: Navigation “OnStar ready,” then a tone. Connected Services Navigation ...... 397 Navigation requires a specific OnStar 2. Say “Cancel route.” System Connections ...... 398 or connected service plan. responds: “Do you want to cancel directions?” Diagnostics ...... 399 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-13566829) - 2020 - CRC - 6/11/19

398 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-13566829) - 2020 - CRC - 6/11/19

CONNECTED SERVICES 399 On some vehicles, Wi-Fi can also be . Locate a dealer and schedule Marketplace managed from the Wi-Fi service. OnStar Advisors can provide offers Hotspot menu. . Request Roadside Service. from restaurants and retailers on your MyCadillac Mobile App (If Available) . Set a parking reminder with pin route, help locate hotels, or book a room. These services vary by market. Download the myCadillac mobile app drop, take a photo, make a note, and set a timer. to compatible Apple and Android Diagnostics smartphones. Cadillac users can . Connect with Cadillac on social access the following services from a media. By monitoring and reporting on the smartphone: vehicle’s key systems, OnStar Features are subject to change. For Advanced Diagnostics, if equipped, . Remotely start/stop the vehicle, myCadillac mobile app information provides a way to keep up on if factory-equipped. and compatibility, see my.cadillac.com. maintenance. Capabilities vary by . Lock/unlock doors, if equipped An active OnStar or connected service model. See www.onstar.com for details with automatic locks. plan may be required. A compatible and system limitations. Features are . Activate the horn and lamps. device, factory-installed remote start, subject to change. For updates on and power locks are required. Data feature capabilities, see . Check the vehicle’s fuel level, oil rates apply. See www.onstar.com for my.cadillac.com. Message and data life, or tire pressure, details and system limitations. rates may apply. if factory-equipped with the Tire Pressure Monitor System. Remote Services . Send destinations to the vehicle. Contact an OnStar Advisor to unlock . Locate the vehicle on a map (U.S. the doors or sound the horn and flash market only). the lamps. . Turn the vehicle's Wi-Fi hotspot on/off, manage settings, and monitor data consumption, if equipped. Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

400 INDEX Index A Airbag System (cont'd) Accessories and Modifications . . . . . 272 When Should an Airbag Accessory Power ...... 188 Inflate? ...... 68 Active Fuel Management ...... 191 Where Are the Airbags? ...... 67 Adaptive Cruise Control ...... 211 Airbags Add-On Electrical Equipment ...... 269 Adding Equipment to the Additional Information Vehicle ...... 76 OnStar ...... 392 Passenger Status Indicator ...... 121 Additional Maintenance Readiness Light ...... 121 and Care ...... 365 Servicing Airbag-Equipped Adjustments Vehicles ...... 75 Lumbar, Front Seats ...... 46 System Check ...... 65 Lumbar, Rear Seats ...... 55 Alarm Thigh Support ...... 47 Vehicle Security ...... 30 Air Cleaner/Filter, Engine ...... 282 Alert Air Conditioning ...... 158, 163 Lane Change ...... 252 Air Filter Rear Pedestrian ...... 242 Life System ...... 281 Side Blind Zone (SBZA) ...... 252 Air Filter, Passenger All-Season Tires ...... 316 Compartment ...... 170 All-Wheel Drive ...... 199, 293 Air Vents ...... 169 Antilock Brake System (ABS) ...... 199 Airbag System Warning Light ...... 126 Check ...... 76 Appearance Care How Does an Airbag Restrain? . . . . .70 Exterior ...... 349 Passenger Sensing System ...... 71 Interior ...... 353 What Makes an Airbag Inflate? . . . .69 Armrest Storage ...... 99 What Will You See after an Assistance Systems for Driving . . . . 243 Airbag Inflates? ...... 70 Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

INDEX 401 Assistance Systems for Parking Brake (cont'd) Capacities and Specifications ...... 373 and Backing ...... 235 Parking, Electric ...... 200 Carbon Monoxide Auto Stop System Warning Light ...... 125 Engine Exhaust ...... 192 Stop/Start System ...... 186 Brake Pad Life System ...... 291 Trunk ...... 23 Automatic Brakes ...... 290 Winter Driving ...... 178 Climate Control System . . . . . 158, 163 Antilock ...... 199 Cargo Dimming Mirrors ...... 34 Assist ...... 201 Tie-Downs ...... 101 Door Locks ...... 21 Fluid ...... 291 Caution, Danger, and Warning ...... 2 Emergency Braking (AEB) ...... 246 Pad Life System ...... 291 Center Console Storage ...... 100 Headlamp System ...... 152 Braking ...... 174 Chains, Tire ...... 335 Transmission ...... 193 Automatic Emergency (AEB) . . . . . 246 Charging Transmission Fluid ...... 281 Braking System Wireless ...... 107 Vehicle Hold Light ...... 127 Front Pedestrian (FPB) ...... 247 Charging System Light ...... 122 Automatic Transmission Break-In, New Vehicle ...... 183 Check Manual Mode ...... 197 Bulb Replacement Engine Light (Malfunction Automatic Vehicle Hold (AVH) . . . . 202 Headlamp Aiming ...... 297 Indicator) ...... 123 B Headlamps ...... 297 Child Restraints Buying New Tires ...... 331 Infants and Young Children ...... 79 Battery Lower Anchors and Tethers for Exterior Lighting Battery C Children ...... 84 Saver ...... 156 Calibration ...... 106 Older Children ...... 77 Load Management ...... 156 California Securing ...... 92, 94 Power Protection ...... 156 Perchlorate Materials Systems ...... 81 Battery - North America ...... 292, 343 Requirements ...... 272 Circuit Breakers ...... 298 Blade Replacement, Wiper ...... 295 California Proposition Cleaning Boost Gauge ...... 117 65 Warning ...... 271, 292, 343, Exterior Care ...... 349 Brake Back Cover Interior Care ...... 353 Electric Boost ...... 199 Canadian Vehicle Owners ...... 2 Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

402 INDEX Climate Control Systems Courtesy Lamps ...... 154 Diagnostics Automatic ...... 158, 163 Courtesy Transportation Connected Services ...... 399 Clock ...... 106 Program ...... 382 Distracted Driving ...... 172 Cluster, Instrument ...... 110, 113 Cruise Control ...... 209 Dome Lamps ...... 154 Collision Damage Repair ...... 383 Light ...... 131 Door Compact Spare Tire ...... 342 Cruise Control, Adaptive ...... 211 Ajar Light ...... 132 Compartments Cruise Control, Super ...... 220 Delayed Locking ...... 21 Storage ...... 98 Cupholders ...... 99 Locks ...... 19 Compass ...... 106 Customer Assistance ...... 378 Power Locks ...... 21 Connected Services Offices ...... 378 Rear Seat Pass-Through ...... 57 Connections ...... 398 Text Telephone (TTY) Users . . . . . 378 Drive Belt Routing, Engine ...... 375 Diagnostics ...... 399 Customer Information Drive Systems Navigation ...... 397 Publications Ordering All-Wheel Drive ...... 199, 293 Connections Information ...... 385 Driver Assistance Systems ...... 234 Connected Services ...... 398 Customer Satisfaction Driver Information Control Procedure ...... 376 Center (DIC) ...... 132 Traction and Electronic Cybersecurity ...... 387 Driver Mode Control ...... 204 Stability ...... 203 D Driver Mode Control Light ...... 129 Control of a Vehicle ...... 173 Driving Damage Repair, Collision ...... 383 Convenience Net ...... 101 Assistance Systems ...... 243 Danger, Warning, and Caution ...... 2 Convex Mirrors ...... 33 Better Fuel Economy ...... 172 Data Collection Coolant Characteristics and Infotainment System ...... 389 Engine Temperature Gauge ...... 119 Towing Tips ...... 262 OnStar ...... 388 Engine Temperature Warning Defensive ...... 173 Data Recorders, Event ...... 388 Light ...... 129 Drunk ...... 173 Daytime Running Lamps (DRL) . . . 151 Cooling ...... 158, 163 Hill and Mountain Roads ...... 177 Defensive Driving ...... 173 Cooling System ...... 284 If the Vehicle is Stuck ...... 179 Delayed Locking ...... 21 Cornering Lamps ...... 153 Loss of Control ...... 175 Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

INDEX 403 Driving (cont'd) Engine (cont'd) F Off-Road Recovery ...... 175 Coolant Temperature Filter, Track Events and Competitive . . . 176 Warning Light ...... 129 Engine Air Cleaner ...... 282 Vehicle Load Limits ...... 179 Cooling System ...... 284 Flash-to-Pass ...... 151 Wet Roads ...... 176 Drive Belt Routing ...... 375 Flashers, Hazard Warning ...... 152 Winter ...... 178 Exhaust ...... 192 Flat Tire ...... 336 E Heater ...... 187 Changing ...... 337 Oil Life System ...... 280 Electric Brake Boost ...... 199 Floor Mats ...... 356 Oil Pressure Gauge ...... 117 Electric Parking Brake ...... 200 Fluid Oil Pressure Light ...... 130 Electric Parking Brake Light ...... 125 Automatic Transmission ...... 281 Overheating ...... 288 Electrical Equipment, Add-On . . . . . 269 Brakes ...... 291 Power Messages ...... 139 Electrical System Washer ...... 289 Running While Parked ...... 192 Engine Compartment Fuse Folding Mirrors ...... 33 Starting ...... 185 Block ...... 299 Forward Collision Alert (FCA) Engine Air Filter Life System ...... 281 Fuses and Circuit Breakers ...... 298 System ...... 244 Engine Oil Instrument Panel Fuse Block . . . . 306 Frequency Statement Temperature Gauge ...... 118 Overload ...... 298 Radio ...... 386 Entry Lighting ...... 155 Rear Compartment Fuse Front Pedestrian Braking (FPB) Equipment, Towing ...... 267 Block ...... 308 System ...... 247 Event Data Recorders ...... 388 Emergency Front Seats Exit Lighting ...... 155 OnStar ...... 391 Heated and Ventilated ...... 51 Extended Parking ...... 191 Engine Fuel Extender, Seat Belt ...... 64 Air Cleaner/Filter ...... 282 Additives ...... 259 Exterior Lamp Controls ...... 149 Check Light (Malfunction Economy, Driving for Better . . . . . 172 Exterior Lamps Off Reminder ...... 151 Indicator) ...... 123 Filling a Portable Fuel Exterior Lighting Battery Saver . . . . 156 Compartment Overview ...... 274 Container ...... 261 Coolant Temperature Gauge . . . . . 119 Filling the Tank ...... 260 Foreign Countries ...... 259 Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

404 INDEX Fuel (cont'd) Gauges (cont'd) Heated Gauge ...... 116 Trip Odometer ...... 116 Steering Wheel ...... 103 Low Fuel Warning Light ...... 130 Voltmeter ...... 120 Heated and Ventilated Front Management, Active ...... 191 Warning Lights and Seats ...... 51 Prohibited Fuels ...... 259 Indicators ...... 109 Heated and Ventilated Rear Recommended ...... 258, 259 Gear Shifting Light ...... 126 Seats ...... 56 Top Tier ...... 258 General Information Heated Mirrors ...... 34 Fuses Service and Maintenance ...... 357 Heater Engine Compartment Fuse Towing ...... 262 Engine ...... 187 Block ...... 299 Vehicle Care ...... 271 Heating ...... 158, 163 Fuses and Circuit Breakers ...... 298 Glove Box ...... 98 High-Beam On Light ...... 131 Instrument Panel Fuse Block . . . . 306 GM Mobility Reimbursement High-Speed Operation ...... 324 Rear Compartment Fuse Program ...... 379 Hill and Mountain Roads ...... 177 Block ...... 308 H Hill Start Assist (HSA) ...... 201 Hood ...... 273 G Hazard Warning Flashers ...... 152 Horn ...... 104 Garage Door Opener ...... 145 Head Restraints ...... 44 How to Wear Seat Belts Properly . . . 58 Programming ...... 145 Head-up Display ...... 135 HVAC ...... 158, 163 Gas Strut(s) ...... 296 Headlamps Gauges Aiming ...... 297 I Boost ...... 117 Automatic ...... 152 Ignition Positions ...... 183 Engine Coolant Temperature . . . . 119 Bulb Replacement ...... 297 Immobilizer ...... 32 Engine Oil Pressure ...... 117 Daytime Running Indicator Engine Oil Temperature ...... 118 Lamps (DRL) ...... 151 Pedestrian Ahead ...... 127 Fuel ...... 116 Flash-to-Pass ...... 151 Vehicle Ahead ...... 127 Odometer ...... 116 High-Beam On Light ...... 131 Infants and Young Children, Speedometer ...... 115 High/Low Beam Changer ...... 151 Restraints ...... 79 Tachometer ...... 116 Lamps On Reminder ...... 131 Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

INDEX 405 Information Lamps (cont'd) Lights (cont'd) Publication Ordering ...... 385 Exterior Lighting Battery Check Engine (Malfunction Infotainment ...... 157 Saver ...... 156 Indicator) ...... 123 Infotainment System ...... 389 Malfunction Indicator (Check Cruise Control ...... 131 Instrument Cluster ...... 110, 113 Engine) ...... 123 Door Ajar ...... 132 Instrument Panel On Reminder ...... 131 Driver Mode Control ...... 129 Storage Area ...... 98 Reading ...... 154 Electric Parking Brake ...... 125 Instrument Panel Overview ...... 5 Lane Change Alert (LCA) ...... 252 Engine Coolant Temperature Interior Rearview Mirrors ...... 35 Lane Keep Assist (LKA) ...... 254 Warning ...... 129 Introduction ...... 2 Lane Keep Assist Light ...... 127 Engine Oil Pressure ...... 130 J Lap-Shoulder Belt ...... 60 Flash-to-Pass ...... 151 LATCH System Gear Shifting ...... 126 Jump Starting - North America . . . . 343 Replacing Parts after a Crash ...... 91 High-Beam On ...... 131 K LATCH, Lower Anchors and High/Low Beam Changer ...... 151 Keyless Entry Tethers for Children ...... 84 Lane Keep Assist ...... 127 Remote (RKE) System ...... 10 LED Lighting ...... 297 Low Fuel Warning ...... 130 Keys ...... 9 Lighting Seat Belt Reminders ...... 120 L Entry ...... 155 Security ...... 131 Labeling, Tire Sidewall ...... 317 Exit ...... 155 Service Electric Parking Brake . . . 126 Lamps Illumination Control ...... 153 StabiliTrak OFF ...... 128 Cornering ...... 153 LED ...... 297 Tire Pressure ...... 129 Courtesy ...... 154 Lights Traction Control System Daytime Running (DRL) ...... 151 Airbag Readiness ...... 121 (TCS)/StabiliTrak ...... 128 Dome ...... 154 Antilock Brake System (ABS) Traction Off ...... 128 Exterior Controls ...... 149 Warning ...... 126 Locking Rear Axle ...... 208 Exterior Lamps Off Reminder . . . . 151 Automatic Vehicle Hold ...... 127 Locks Brake System Warning ...... 125 Automatic Door ...... 21 Charging System ...... 122 Delayed Locking ...... 21 Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

406 INDEX Locks (cont'd) Messages (cont'd) Off-Road Door ...... 19 Vehicle ...... 139 Recovery ...... 175 Lockout Protection ...... 22 Vehicle Speed ...... 139 Oil Power Door ...... 21 Mirror Engine ...... 277 Safety ...... 22 Rear Camera ...... 35 Engine Oil Life System ...... 280 Loss of Control ...... 175 Mirrors Engine Oil Pressure Gauge ...... 117 Low Fuel Warning Light ...... 130 Automatic Dimming ...... 34 Pressure Light ...... 130 Low-Profile Tires ...... 317 Automatic Dimming Rearview . . . . .35 Older Children, Restraints ...... 77 Lower Anchors and Tethers for Convex ...... 33 Online Owner Center ...... 379 Children (LATCH System) ...... 84 Folding ...... 33 OnStar ...... 388 Lumbar Adjustment ...... 46, 55 Heated ...... 34 OnStar Additional Information . . . . 392 Front Seats ...... 46 Power ...... 33 OnStar Emergency ...... 391 Rear Seats ...... 55 Tilt in Reverse ...... 34 OnStar Overview ...... 390 M Mirrors, Interior Rearview ...... 35 OnStar Security ...... 391 Mode ...... 204 Outlets Maintenance Driver Control ...... 204 Power ...... 106 Records ...... 371 Monitor System, Tire Pressure . . . . . 324 Overheating, Engine ...... 288 Maintenance and Care Overview Additional ...... 365 N Instrument Panel ...... 5 Maintenance Schedule ...... 359 Navigation Recommended Fluids and Connected Services ...... 397 P Lubricants ...... 368 Net, Convenience ...... 101 Park Malfunction Indicator Lamp ...... 123 New Vehicle Break-In ...... 183 Shifting Out of ...... 189 Manual Mode ...... 197 Night Vision System ...... 250 Park Assist ...... 235 Massage ...... 53 O Parking Memory Seats ...... 48 Brake and P (Park) Odometer ...... 116 Messages Mechanism Check ...... 294 Trip ...... 116 Engine Power ...... 139 Extended ...... 191 Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

INDEX 407 Parking (cont'd) Proposition Recorder Over Things That Burn ...... 191 65 Warning, Video ...... 256 Parking or Backing California ...... 271, 292, 343, Records Assistance Systems ...... 235 Back Cover Maintenance ...... 371 Passenger Airbag Status Publication Ordering Recreational Vehicle Towing ...... 348 Indicator ...... 121 Information ...... 385 Reimbursement Program, GM Passenger Compartment Air R Mobility ...... 379 Filter ...... 170 Remote Keyless Entry (RKE) Radio Frequency Statement ...... 386 Passenger Sensing System ...... 71 System ...... 10 Reading Lamps ...... 154 Pedestrian Ahead Indicator ...... 127 Remote Vehicle Start ...... 17 Rear Axle Perchlorate Materials Replacement Parts Locking ...... 208 Requirements, California ...... 272 Airbags ...... 77 Rear Camera Mirror ...... 35 Personalization Maintenance ...... 369 Rear Pedestrian Alert ...... 242 Vehicle ...... 140 Replacing Airbag System ...... 77 Rear Seat Pass-Through Door ...... 57 Power Replacing LATCH System Parts Rear Seats ...... 54 Door Locks ...... 21 after a Crash ...... 91 Heated and Ventilated ...... 56 Mirrors ...... 33 Replacing Seat Belt System Rear Storage ...... 100 Outlets ...... 106 Parts after a Crash ...... 65 Rear Vision Camera (RVC) ...... 235 Protection, Battery ...... 156 Reporting Safety Defects Rear Window Sunshade ...... 40 Retained Accessory (RAP) ...... 188 Canadian Government ...... 386 Rearview Mirrors Seat Adjustment ...... 46 General Motors ...... 387 Automatic Dimming ...... 35 Windows ...... 38 U.S. Government ...... 386 Reclining Seatbacks ...... 48 Pregnancy, Using Seat Belts ...... 63 Restraints Recommended Privacy Where to Put ...... 83 Fuel ...... 258, 259 Vehicle Data Recording ...... 387 Retained Accessory Recommended Fluids and Program Power (RAP) ...... 188 Lubricants ...... 368 Courtesy Transportation ...... 382 Reverse Tilt Mirrors ...... 34 Prohibited Fuels ...... 259 Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

408 INDEX Roads Seats Services Driving, Wet ...... 176 Head Restraints ...... 44 Special Application ...... 364 Roadside Service ...... 380 Heated and Ventilated Front ...... 51 Servicing the Airbag ...... 75 Roof Heated and Ventilated, Rear ...... 56 Shifting Sunroof ...... 41 Lumbar Adjustment, Front ...... 46 Into Park ...... 188 Rotation, Tires ...... 329 Lumbar Adjustment, Rear ...... 55 Out of Park ...... 189 Routing, Engine Drive Belt ...... 375 Memory ...... 48 Side Blind Zone Alert (SBZA) ...... 252 Running the Vehicle While Power Adjustment, Front ...... 46 Signals, Turn and Lane-Change . . . . 153 Parked ...... 192 Rear ...... 54 Spare Tire S Reclining Seatbacks ...... 48 Compact ...... 342 Securing Child Restraints ...... 92, 94 Special Application Services ...... 364 Safety Defects Reporting Security Specifications and Capacities ...... 373 Canadian Government ...... 386 Light ...... 131 Speedometer ...... 115 General Motors ...... 387 OnStar ...... 391 StabiliTrak U.S. Government ...... 386 Vehicle ...... 30 OFF Light ...... 128 Safety Locks ...... 22 Vehicle Alarm ...... 30 Start Assist, Hill ...... 201 Safety System Check ...... 64 Service ...... 170 Start Vehicle, Remote ...... 17 Scheduling Appointments ...... 382 Accessories and Starter Switch Check ...... 294 Seat Belts ...... 57 Modifications ...... 272 Starting the Engine ...... 185 Care ...... 64 Doing Your Own Work ...... 272 Steering ...... 174 Extender ...... 64 Maintenance Records ...... 371 Heated Wheel ...... 103 How to Wear Seat Belts Maintenance, General Wheel Adjustment ...... 103 Properly ...... 58 Information ...... 357 Wheel Controls ...... 103 Lap-Shoulder Belt ...... 60 Parts Identification ...... 372 Stop/Start System ...... 186 Reminders ...... 120 Scheduling Appointments ...... 382 Storage Replacing after a Crash ...... 65 Service Electric Parking Brake Rear ...... 100 Use During Pregnancy ...... 63 Light ...... 126 Storage Areas Armrest ...... 99 Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

INDEX 409 Storage Areas (cont'd) T Tires (cont'd) Center Console ...... 100 Tachometer ...... 116 Wheel Replacement ...... 335 Convenience Net ...... 101 Text Telephone (TTY) Users ...... 378 When It Is Time for New Glove Box ...... 98 Theft-Deterrent Systems ...... 32 Tires ...... 330 Instrument Panel ...... 98 Immobilizer ...... 32 Winter ...... 316 Storage Compartments ...... 98 Thigh Support Adjustment ...... 47 Top Tier Fuel ...... 258 Struts Time ...... 106 Towing Gas ...... 296 Tires ...... 315 Driving Characteristics ...... 262 Stuck Vehicle ...... 179 All-Season ...... 316 Equipment ...... 267 Summer Tires ...... 317 Buying New Tires ...... 331 General Information ...... 262 Sun Visors ...... 39 Chains ...... 335 Recreational Vehicle ...... 348 Sunroof ...... 41 Changing ...... 337 Trailer ...... 266 Sunshade Compact Spare ...... 342 Vehicle ...... 346 Rear Window ...... 40 Designations ...... 319 Track Events and Competitive Super Cruise ...... 220 Different Size ...... 333 Driving ...... 176 Symbols ...... 3 If a Tire Goes Flat ...... 336 Traction System Inspection ...... 329 Control System Brake Pad Life ...... 291 Low Profile ...... 317 (TCS)/StabiliTrak Light ...... 128 Engine Air Filter Life ...... 281 Pressure ...... 322, 324 Off Light ...... 128 Forward Collision Alert (FCA) . . . . 244 Pressure Light ...... 129 Traction Control/Electronic Infotainment ...... 157, 389 Pressure Monitor Operation ...... 325 Stability Control ...... 203 Night Vision ...... 250 Pressure Monitor System ...... 324 Trailer Systems Rotation ...... 329 Towing ...... 266 Driver Assistance ...... 234 Sidewall Labeling ...... 317 Transmission Terminology and Definitions . . . . 320 Automatic ...... 193 Uniform Tire Quality Grading . . . . 333 Fluid, Automatic ...... 281 Wheel Alignment and Tire Transportation Program, Balance ...... 334 Courtesy ...... 382 Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-13566829) - 2020 - CRC - 6/11/19

410 INDEX Trip Odometer ...... 116 Vehicle Care Windows ...... 37 Trunk ...... 23 Tire Pressure ...... 322 Power ...... 38 Turn and Lane-Change Signals . . . . 153 Vehicle Data Recording and Windshield U Privacy ...... 387 Replacement ...... 295 Vehicle Hold Wiper/Washer ...... 104 Uniform Tire Quality Grading ...... 333 Automatic ...... 202 Winter Universal Remote System ...... 145 Vehicle Hold (AVH) Driving ...... 178 Operation ...... 148 Automatic ...... 202 Winter Tires ...... 316 Programming ...... 145 Ventilation, Air ...... 169 Wiper Blade Replacement ...... 295 Using This Manual ...... 2 Video Recorder ...... 256 Wireless Charging ...... 107 V Visors ...... 39 Vehicle Voltmeter Gauge ...... 120 Alarm System ...... 30 W Automatic Hold Light ...... 127 Warning Canadian Owners ...... 2 Brake System Light ...... 125 Control ...... 173 Caution and Danger ...... 2 Identification Number (VIN) . . . . . 372 Warning Lights, Gauges, and Load Limits ...... 179 Indicators ...... 109 Messages ...... 139 Warnings Personalization ...... 140 Hazard Flashers ...... 152 Remote Start ...... 17 Washer Fluid ...... 289 Security ...... 30 Wheels Speed Messages ...... 139 Alignment and Tire Balance . . . . . 334 Towing ...... 346 Different Size ...... 333 Vehicle Ahead Indicator ...... 127 Replacement ...... 335 When It Is Time for New Tires . . . . 330 Where to Put the Restraint ...... 83 CT6

2020 CT6 84373157 A 84373157 20_CAD_CT6_COV_en_US_84373157A_2019JUN14.ai 1 4/18/2019 11:43:08 AM AM 11:43:08 11:43:08 1 4/18/2019 1 4/18/2019 20_CAD_CT6_COV_en_US_84373157A_2019JUN14.ai 20_CAD_CT6_COV_en_US_84373157A_2019JUN14.ai K Y M C CY MY CM CMY