2018 CADILLAC CT6 run flat

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-11292458) -
2018 - crc - 2/15/17
VEHICLE CARE 367
3. Place the compressor on theground near the flat tire.
Make sure the tire valve stem is
positioned close to the ground so
the hose will reach it.
4. Remove the valve stem cap from the flat tire by turning it
counterclockwise.
5. Attach the air only hose (10) to the tire valve stem by turning it
clockwise until tight.
6. Plug the power plug (9) into the accessory power outlet in the
vehicle. Unplug all items from
other accessory power outlets.
See Power Outlets 0123.
If the vehicle has an accessory
power outlet, do not use the
cigarette lighter.
If the vehicle only has a cigarette
lighter, use the cigarette lighter.
Do not pinch the power plug
cord in the door or window.
7. Start the vehicle. The vehicle must be running while using the
air compressor. 8. Press the on/off button (5) to
turn the tire sealant and
compressor kit on.
The compressor will inflate the
tire with air only.
9. Inflate the tire to the recommended inflation pressure
using the pressure gauge (8). The
recommended inflation pressure
can be found on the Tire and
Loading Information label. See
Tire Pressure 0347.
The pressure gauge (8) may read
higher than the actual tire
pressure while the compressor is
on. Turn the compressor off to
get an accurate pressure reading.
The compressor may be turned
on/off until the correct pressure
is reached.
Caution
If the recommended pressure
cannot be reached after
approximately 25 minutes, the
vehicle should not be driven farther. (Continued)
Caution (Continued)
The tire is too severely damaged
and the tire sealant and compressor
kit cannot inflate the tire. Remove
the power plug from the accessory
power outlet and unscrew the
inflating hose from the tire valve.
SeeRoadside Service 0411.
10. Press the on/off button (5) to turn the tire sealant and
compressor kit off.
Be careful while handling the
compressor as it could be warm
after usage.
11. Unplug the power plug (9) from the accessory power outlet in the
vehicle.
12. Turn the air only hose (10) counterclockwise to remove it
from the tire valve stem.
13. Replace the tire valve stem cap.
14. Return the air only hose (10) and power plug (9) back to their
original storage location.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-11292458) -
2018 - crc - 2/15/17
368 VEHICLE CARE
15. Return the equipment to itsoriginal storage location in the
vehicle.
The tire sealant and compressor kit
has accessory adapters located in a
compartment on the bottom of its
housing that can be used to inflate air
mattresses, balls, etc.
Storing the Tire Sealant
and Compressor Kit
To access the tire sealant and
compressor kit: 1. Open the trunk.
2. Lift the cover. 3. Remove the bag.
4. Remove the tire sealant and
compressor kit from the bag.
To store the tire sealant and
compressor kit, reverse the steps.
Tire Changing
Removing the Spare Tire and
Tools
The jack and tools will be stored in
one of the following ways.
1. Jack
2. Retainer Nut
3. Fuel Funnel 4. Strap
5. Wrench
6. Tow Hook (If Equipped)
7. Tool Bag
1. Jack
2. Retainer Nut
3. Fuel Funnel
4. Tow Hook (If Equipped)
5. Strap
6. Wrench
To access the spare tire and tools:
1. Open the trunk.
2. Lift the spare tire cover and attach the handle to the
trunk edge.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-11292458) -
2018 - crc - 2/15/17
372 VEHICLE CARE
17. Lower the jack all the way andremove the jack from under the
vehicle.
18. Tighten the wheel nuts firmly with the wheel wrench.
Storing a Flat or Spare Tire and
Tools
{Warning
Storing a jack, a tire, or other
equipment in the passenger
compartment of the vehicle could
cause injury. In a sudden stop or
collision, loose equipment could
strike someone. Store all these in
the proper place.
To store the flat tire and tools: 1. Open the trunk.
2. Replace the jack and tools as they were, originally, stored in
their container near the
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, go to Step 8.
5. Route the loop end of the
strap (3) through one of the
cargo tie-downs (1) in the rear of
the vehicle.
6. Route the hook (2) through the loop (3).
7. Pull the strap to tighten it around the cargo tie-down (1).
8. Route the hook end of the strap
through the wheel.
9. Attach the hook to the cargo tie-down in the rear of the
vehicle.
10. Tighten the strap.
The compact spare is for temporary
use only. Replace the compact spare
tire with a full-size tire as soon as
you can.

Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-11292458) -
2018 - crc - 2/15/17
376 VEHICLE CARE
6. Connect the other end of the redpositive (+) cable to the
positive (+) terminal of the good
battery.
7. Connect one end of the black negative (–) cable to the
negative (–) terminal of the good
battery.
8. Connect the other end of the black negative (–) cable to the
remote negative (–) ground
terminal on the driver side shock
tower for the discharged battery.
9. Start the engine in the vehicle with the good battery and run
the engine at idle speed for at
least four minutes.
10. Try to start the vehicle that had the dead battery. If it will not
start after a few tries, it probably
needs service.
Caution
If the jumper cables are connected
or removed in the wrong order,
electrical shorting may occur and
(Continued)
Caution (Continued)
damage the vehicle. The repairs
would not be covered by the vehicle
warranty. Always connect and
remove the jumper cables in the
correct order, making sure that the
cables do not touch each other or
other metal.
Jumper Cable Removal
Reverse the sequence exactly when
removing the jumper cables.
After starting the disabled vehicle and
removing the jumper cables, allow it
to idle for several minutes.
Towing the Vehicle
Caution
Incorrectly towing a disabled
vehicle may cause damage. The
damage would not be covered by
the vehicle warranty.
Do not lash or hook to suspension
components. Use the proper straps
around the tires to secure the
vehicle.
Use only a flatbed tow truck for
towing a disabled vehicle. Never use a
sling type lift or damage will occur.
Use ramps to help reduce approach
angles if necessary. A towed vehicle
should have its drive wheels off the
ground. Consult a professional towing
service if the disabled vehicle must be
towed.
If the vehicle is equipped with a tow
eye, only use the tow eye to pull the
vehicle onto a flatbed 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-11292458) -
2018 - crc - 2/14/17
INDEX 435
Driving (cont'd)Defensive . . . . . . . . . . . . . . . . . . . . . . . . . . 207
Drunk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
For Better Fuel Economy . . . . . . . . . . . 32
Hill and Mountain Roads . . . . . . . . 211
If the Vehicle is Stuck . . . . . . . . . . . . 212
Loss of Control . . . . . . . . . . . . . . . . . . . . 209
Off-Road Recovery . . . . . . . . . . . . . . . . 209
Vehicle Load Limits . . . . . . . . . . . . . . 213
Wet Roads . . . . . . . . . . . . . . . . . . . . . . . . . 210
Winter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211
Winter Mode Light . . . . . . . . . . . . . . . 146
Driving for Better Energy Efficiency . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
E
Electric Parking Brake . . . . . . . . . . . . . . 235
Electric Parking Brake Light . . . . . . . 145
Electrical Equipment, Add-On . . . . . 295
Electrical Requirements for
Battery Charging . . . . . . . . . . . . . . . . . . 285
Electrical System Engine Compartment FuseBlock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 332
Fuses and Circuit Breakers . . . . . . . 331
Instrument Panel Fuse Block . . . . 335
Overload . . . . . . . . . . . . . . . . . . . . . . . . . . . 331
Rear Compartment Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 337 Emergency
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 422
Energy Efficiency Driving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Energy Information . . . . . . . . . . . . . . . . . 161
Engine Air Cleaner/Filter . . . . . . . . . . . . . . . . . 311
Check Light (Malfunction
Indicator) . . . . . . . . . . . . . . . . . . . . . . . . 143
Compartment Overview . . . . . . . . . . 300
Coolant Temperature Gauge . . . . . 139
Coolant Temperature Warning Light . . . . . . . . . . . . . . . . . . . 149
Cooling System . . . . . . . . . . . . . . 312, 316
Drive Belt Routing . . . . . . . . . . . . . . . . 406
Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . 230
Heater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223
Oil Life System . . . . . . . . . . . . . . . . . . . . 309
Oil Pressure Gauge . . . . . . . . . . . . . . . . 137
Oil Pressure Light . . . . . . . . . . . . . . . . . 149
Overheating . . . . . . . . . . . . . . . . . . . . . . . 321
Power Messages . . . . . . . . . . . . . . . . . . 169
Running While Parked . . . . . . . . . . . 230
Starting . . . . . . . . . . . . . . . . . . . . . . . 218, 221
Engine Oil
Temperature Gauge . . . . . . . . . . . . . . . 138
Engine Unavailable Out of Fuel . . . . . . . . . . . . . . . . . . . . . . . . 227 Entry Lighting . . . . . . . . . . . . . . . . . . . . . . 188
Equipment, Towing . . . . . . . . . . . . . . . . . 294
Event Data Recorders . . . . . . . . . . . . . . 419
Exit Lighting . . . . . . . . . . . . . . . . . . . . . . . . 189
Extended Parking . . . . . . . . . . . . . . . . . . . 226
Extender, Seat Belt . . . . . . . . . . . . . . . . . . 83
Exterior Lamp Controls . . . . . . . . . . . . 183
Exterior Lamps Off Reminder . . . . . . 185
Exterior Lighting Battery Saver . . . . 189
F
Features
Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Filter, Engine Air Cleaner . . . . . . . . . . . . . . . . 311
Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . . . . 185
Flashers, Hazard Warning . . . . . . . . . . 186
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 360 Changing . . . . . . . . . . . . . . . . . . . . . . . . . . 368
Floor Mats . . . . . . . . . . . . . . . . . . . . . . . . . . . 387
Fluid Automatic Transmission . . . . . . . . . 310
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 323
Washer . . . . . . . . . . . . . . . . . . . . . . . . . . . . 322
Folding Mirrors . . . . . . . . . . . . . . . . . . . . . . 55
Forward Automatic Braking . . . . . . . . 262
Forward Collision Alert (FCA) System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260