seat adjustment CADILLAC CT4 2020 Owner's Manual

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-13183937) -
2020 - crc - 4/28/20
6 INTRODUCTION
1.Air Vents 0139.
2. Exterior Lamp Controls 0125.
Turn Signal Lever. See Turn and
Lane-Change Signals 0129.
3. Tap Shift Controls (If Equipped). See Manual Mode (Electronic
Shifter) 0177 or
Manual Mode (Mechanical Shifter)
0 176.
4. Cruise Control 0192.
Adaptive Cruise Control 0194 (If
Equipped).
Forward Collision Alert (FCA)
System 0211 (If Equipped).
Heated Steering Wheel 086 (If
Equipped).
5. Instrument Cluster 093.
Driver Information Center (DIC)
Display. See Driver Information
Center (DIC) 0109.
6. Steering Wheel Controls 086 (If
Equipped). See infotainment
manual.
7. Windshield Wiper/Washer 086.
8. Infotainment 0133. 9. Light Sensor. See
Automatic
Headlamp System 0128.
10. Hazard Warning Flashers 0128.
11. Dual Automatic Climate Control
System 0134.
12. Heated and Ventilated Front Seats
040 (If Equipped).
13. Lane Keep Assist (LKA) 0219 (If
Equipped).
14. Traction Control/Electronic
Stability Control 0182.
Stop/Start Disable Switch. See
Stop/Start System 0161.
Automatic Vehicle Hold (AVH)
0 181.
MODE Button or
«/ªButton
(V-Series Only). See Driver Mode
Control 0184.
15. Wireless Charging Pad (If Equipped) (Out of View). See
Wireless Charging 090.
16. Park Assist Button. See Assistance Systems for Parking or
Backing 0204. 17. Shift Lever. See
Automatic
Transmission (Mechanical Shifter)
0 169 or
Automatic Transmission
(Electronic shifter) 0171.
18. ENGINE START/STOP Button. SeeIgnition Positions 0158.
19. Horn 086.
20. Steering Wheel Adjustment 086.
21. Head-Up Display (HUD) 0111 (If
Equipped).
22. Data Link Connector (DLC) (Out of View). See Malfunction
Indicator Lamp (Check Engine
Light) 0100.
23. Instrument Panel Illumination
Control 0129.
24. Hood Release (Out of View). See Hood 0236.
25. Electric Parking Brake 0179 (If
Equipped).

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-13183937) -
2020 - crc - 4/28/20
SEATS AND RESTRAINTS 33
Seats and Restraints
Head Restraints
Head Restraints . . . . . . . . . . . . . . . . . . . . 34
Front Seats
Power Seat Adjustment . . . . . . . . . . . 35
Lumbar Adjustment . . . . . . . . . . . . . . . 36
Thigh Support Adjustment . . . . . . . . 36
Reclining Seatbacks . . . . . . . . . . . . . . . 36
Memory Seats . . . . . . . . . . . . . . . . . . . . . . 37
Heated and Ventilated FrontSeats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Massage . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Rear Seats
Rear Seats . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Seat Belts
Seat Belts . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
How to Wear Seat Belts Properly . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 Lap-Shoulder Belt . . . . . . . . . . . . . . . . . . 47
Seat Belt Use During
Pregnancy . . . . . . . . . . . . . . . . . . . . . . . . . 50
Seat Belt Extender . . . . . . . . . . . . . . . . . 50
Safety System Check . . . . . . . . . . . . . . 50
Seat Belt Care . . . . . . . . . . . . . . . . . . . . . . 50
Replacing Seat Belt System Parts after a Crash . . . . . . . . . . . . . . . . . . . . . . 51
Airbag System
Airbag System . . . . . . . . . . . . . . . . . . . . . 51
Where Are the Airbags? . . . . . . . . . . . 53
When Should an AirbagInflate? . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
What Makes an Airbag Inflate? . . . 55
How Does an Airbag Restrain? . . . 55
What Will You See after an Airbag Inflates? . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Passenger Sensing System . . . . . . . . 57
Servicing the Airbag-Equipped Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Adding Equipment to the Airbag-Equipped Vehicle . . . . . . . . 61
Airbag System Check . . . . . . . . . . . . . . 62
Replacing Airbag System Parts after a Crash . . . . . . . . . . . . . . . . . . . . . . 63
Child Restraints
Older Children . . . . . . . . . . . . . . . . . . . . . 63
Infants and Young Children . . . . . . 65
Child Restraint Systems . . . . . . . . . . . 67
Where to Put the Restraint . . . . . . . 69
Lower Anchors and Tethers forChildren (LATCH System) . . . . . . . 70
Replacing LATCH System Parts After a Crash . . . . . . . . . . . . . . . . . . . . . 76
Securing Child Restraints (With the Seat Belt in the
Rear Seat) . . . . . . . . . . . . . . . . . . . . . . . . 76
Securing Child Restraints (With the Seat Belt in the
Front Seat) . . . . . . . . . . . . . . . . . . . . . . . 78

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-13183937) -
2020 - crc - 4/28/20
SEATS AND RESTRAINTS 35
To lower the head restraint, press the
button, located on the top of the
seatback, and push the head restraint
down. Try to move the head restraint
after the button is released to make
sure that it is locked in place.
Rear outboard head restraints are not
removable.
The rear seat outboard head restraints
are not intended to be removed.
If removal is required see your dealer
for assistance with removal.Front Seats
Power Seat Adjustment
{Warning
The power seats will work with the
ignition off. Children could operate
the power seats and be injured.
Never leave children alone in the
vehicle.
High Performance Seat Shown,Others Similar To adjust the seat:
.
Move the seat forward or rearward
by sliding the control forward or
rearward.
. Raise or lower the seat by moving
the rear of the control up or down.
. If equipped, raise or lower the
front part of the seat cushion by
moving the front of the control up
or down.
For vehicles not equipped with front
cushion tilt, the front part of the
control will raise and lower the seat.
If the vehicle is not in P (Park), seat
travel may be limited. Release and
press the seat switch again to
continue movement.
If something has blocked the seat
during movement, the movement may
stop. Remove the obstruction and try
the adjustment again. If movement is
still not available, see your dealer.
To adjust the seatback, see Reclining
Seatbacks 036.
To adjust the lumbar support, see
Lumbar Adjustment 036.

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-13183937) -
2020 - crc - 4/28/20
36 SEATS AND RESTRAINTS
Some vehicles are equipped with a
Safety Alert Seat. This feature
activates a vibrating pulse alert in the
driver seat to help the driver avoid
crashes.
Lumbar Adjustment
1. To adjust lumbar support,if equipped:
.Press Up (1) to move lumbar
support upward.
. Press Forward (4) to move
lumbar support forward.
. Press Down (3) to move
lumbar support down. .
Press Rearward (2) to move
lumbar support rearward.
Bolster Adjustment
To adjust bolster support, if equipped:
1. Press the center control up to
increase bolster support.
2. Press the center control down to decrease bolster support.
Thigh Support Adjustment
If equipped, pull up on the lever. Then
pull or push on the support to
lengthen or shorten. Release the lever
to lock in place.
Reclining Seatbacks
{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 CT4 Owner Manual (GMNA-Localizing-U.S./Canada-13183937) -
2020 - crc - 4/28/20
INSTRUMENTS AND CONTROLS 85
Instruments and
Controls
Controls
Steering Wheel Adjustment . . . . . . . 86
Steering Wheel Controls . . . . . . . . . . 86
Heated Steering Wheel . . . . . . . . . . . . 86
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Windshield Wiper/Washer . . . . . . . . 86
Compass . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Power Outlets . . . . . . . . . . . . . . . . . . . . . . 89
Wireless Charging . . . . . . . . . . . . . . . . . 90
Warning Lights, Gauges, and
Indicators
Warning Lights, Gauges, andIndicators . . . . . . . . . . . . . . . . . . . . . . . . . 92
Instrument Cluster . . . . . . . . . . . . . . . . 93
Speedometer . . . . . . . . . . . . . . . . . . . . . . . 96
Odometer . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Trip Odometer . . . . . . . . . . . . . . . . . . . . . 96
Tachometer . . . . . . . . . . . . . . . . . . . . . . . . 96
Fuel Gauge . . . . . . . . . . . . . . . . . . . . . . . . . 96
Engine Coolant Temperature Gauge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Seat Belt Reminders . . . . . . . . . . . . . . . 97
Airbag Readiness Light . . . . . . . . . . . . 98 Passenger Airbag Status
Indicator . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Charging System Light . . . . . . . . . . . . 99
Malfunction Indicator Lamp (Check Engine Light) . . . . . . . . . . . 100
Brake System Warning Light . . . . 102
Electric Parking Brake Light . . . . . 102
Service Electric Parking Brake Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Antilock Brake System (ABS) Warning Light . . . . . . . . . . . . . . . . . . 103
Automatic Vehicle Hold (AVH) Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Lane Keep Assist (LKA) Light . . . 103
Vehicle Ahead Indicator . . . . . . . . . 104
Pedestrian Ahead Indicator . . . . . . 104
Traction Off Light . . . . . . . . . . . . . . . . 104
StabiliTrak OFF Light . . . . . . . . . . . . 104
Traction Control System (TCS)/ StabiliTrak Light . . . . . . . . . . . . . . . . 105
Engine Coolant Temperature Warning Light . . . . . . . . . . . . . . . . . . 105
Driver Mode Control Light . . . . . . . 106
Tire Pressure Light . . . . . . . . . . . . . . . 106
Engine Oil Pressure Light . . . . . . . . 107
Low Fuel Warning Light . . . . . . . . . 107
Security Light . . . . . . . . . . . . . . . . . . . . . 107
High-Beam On Light . . . . . . . . . . . . . 107
Lamps On Reminder . . . . . . . . . . . . . 108
Cruise Control Light . . . . . . . . . . . . . . 108 Door Ajar Light . . . . . . . . . . . . . . . . . . . 108
Information Displays
Driver Information
Center (DIC) . . . . . . . . . . . . . . . . . . . . . 109
Head-Up Display (HUD) . . . . . . . . . 111
Vehicle Messages
Vehicle Messages . . . . . . . . . . . . . . . . . 115
Engine Power Messages . . . . . . . . . . 115
Vehicle Speed Messages . . . . . . . . . 115
Vehicle Personalization
Vehicle Personalization . . . . . . . . . . 116
Universal Remote System
Universal Remote System . . . . . . . . 121
Universal Remote System Programming . . . . . . . . . . . . . . . . . . . 121
Universal Remote System
Operation . . . . . . . . . . . . . . . . . . . . . . . . 124

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-13183937) -
2020 - crc - 4/28/20
86 INSTRUMENTS AND CONTROLS
Controls
Steering Wheel Adjustment
To adjust the steering wheel:1. Pull the lever down.
2. Move the steering wheel up or down.
3. Pull or push the steering wheel closer or away from you.
4. Pull the lever up to lock the steering wheel in place.
Do not adjust the steering wheel while
driving.
Steering Wheel Controls
The infotainment system can be
operated by using the steering wheel
controls. See "Steering Wheel
Controls" in the infotainment manual.
Heated Steering Wheel
(: If equipped, press to turn the
heated steering wheel on or off. An
indicator light next to the button
displays when the feature is
turned on.
The steering wheel takes about
three minutes to be fully heated. Automatic Heated Steering Wheel
If equipped with remote start, the
heated steering wheel will turn on
automatically during a remote start
along with the heated seats when it is
cold outside. The heated steering
wheel indicator light may not
come on.
If equipped with auto heated seats,
the heated steering wheel will turn on
when the auto heated seat is
activated. The heated steering wheel
indicator will display the state of the
steering wheel heat. See
Heated and
Ventilated Front Seats 040.
Horn
Pressaon the steering wheel pad to
sound the horn.
Windshield Wiper/Washer

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-13183937) -
2020 - crc - 4/28/20
344 INDEX
IndexA
Accessories and Modifications . . . . . 235
Accessory Power . . . . . . . . . . . . . . . . . . . . 163
Active Fuel Management . . . . . . . . . . . 167
Adaptive Cruise Control . . . . . . . . . . . . 194
Add-On Electrical Equipment . . . . . . 231
Additional InformationOnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 337
Additional Maintenance and Care . . . . . . . . . . . . . . . . . . . . . . . . . . . 310
Adjustments Lumbar, Front Seats . . . . . . . . . . . . . . . . 36
Thigh Support . . . . . . . . . . . . . . . . . . . . . . 36
Air Cleaner/Filter, Engine . . . . . . . . . . 245
Air Conditioning . . . . . . . . . . . . . . . . . . . . 134
Air Filter, Passenger
Compartment . . . . . . . . . . . . . . . . . . . . . 139
Air Vents . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
Airbag System Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
How Does an Airbag Restrain? . . . . . 55
Passenger Sensing System . . . . . . . . . 57
What Makes an Airbag Inflate? . . . . 55
What Will You See after anAirbag Inflates? . . . . . . . . . . . . . . . . . . . 56
When Should an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Where Are the Airbags? . . . . . . . . . . . . 53 Airbags
Adding Equipment to the
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Passenger Status Indicator . . . . . . . . . 99
Readiness Light . . . . . . . . . . . . . . . . . . . . . 98
Servicing Airbag-Equipped Vehicles . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
System Check . . . . . . . . . . . . . . . . . . . . . . . 51
Alarm Vehicle Security . . . . . . . . . . . . . . . . . . . . . 22
Alert
Lane Change . . . . . . . . . . . . . . . . . . . . . . 217
Rear Pedestrian . . . . . . . . . . . . . . . . . . . 209
Side Blind Zone (SBZA) . . . . . . . . . . 217
All-Season Tires . . . . . . . . . . . . . . . . . . . . . 268
All-Wheel Drive . . . . . . . . . . . . . . . .178, 255
Antilock Brake System (ABS) . . . . . . 179 Warning Light . . . . . . . . . . . . . . . . . . . . 103
Appearance Care Exterior . . . . . . . . . . . . . . . . . . . . . . . . . . . . 293
Interior . . . . . . . . . . . . . . . . . . . . . . . . . . . . 297
Assistance Systems for Driving . . . . 210
Assistance Systems for Parking and Backing . . . . . . . . . . . . . . . . . . . . . . . 204
Auto Stop
Stop/Start System . . . . . . . . . . . . . . . . 161
Automatic Dimming Mirrors . . . . . . . . . . . . . . . . . . . 27

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-13183937) -
2020 - crc - 4/28/20
INDEX 349
K
Keyless EntryRemote (RKE) System . . . . . . . . . . . . . . . 8
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
L
Labeling, Tire Sidewall . . . . . . . . . . . . . 270
Lamps Cornering . . . . . . . . . . . . . . . . . . . . . . . . . . 129
Courtesy . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
Daytime Running (DRL) . . . . . . . . . . 127
Dome . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
Exterior Controls . . . . . . . . . . . . . . . . . . 125
Exterior Lamps Off Reminder . . . . 127
Exterior Lighting BatterySaver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
Front Turn Signal . . . . . . . . . . . . . . . . . 259
Malfunction Indicator (Check Engine) . . . . . . . . . . . . . . . . . . . . . . . . . . 100
On Reminder . . . . . . . . . . . . . . . . . . . . . . 108
Reading . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
Lane Change Alert (LCA) . . . . . . . . . . . 217
Lane Keep Assist (LKA) . . . . . . . . . . . . 219
Lane Keep Assist Light . . . . . . . . . . . . . 103
Lap-Shoulder Belt . . . . . . . . . . . . . . . . . . . . 47
LATCH System Replacing Parts after a Crash . . . . . . 76 LATCH, Lower Anchors and
Tethers for Children . . . . . . . . . . . . . . . 70
LED Lighting . . . . . . . . . . . . . . . . . . . . . . . . 259
Lighting Entry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Illumination Control . . . . . . . . . . . . . . 129
LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259
Lights Airbag Readiness . . . . . . . . . . . . . . . . . . . 98
Antilock Brake System (ABS)Warning . . . . . . . . . . . . . . . . . . . . . . . . . 103
Automatic Vehicle Hold . . . . . . . . . . 103
Brake System Warning . . . . . . . . . . . 102
Charging System . . . . . . . . . . . . . . . . . . . . 99
Check Engine (Malfunction Indicator) . . . . . . . . . . . . . . . . . . . . . . . . 100
Cruise Control . . . . . . . . . . . . . . . . . . . . . 108
Door Ajar . . . . . . . . . . . . . . . . . . . . . . . . . . 108
Driver Mode Control . . . . . . . . . . . . . . 106
Electric Parking Brake . . . . . . . . . . . . 102
Engine Coolant Temperature Warning . . . . . . . . . . . . . . . . . . . . . . . . . 105
Engine Oil Pressure . . . . . . . . . . . . . . . 107
Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . . 127
High-Beam On . . . . . . . . . . . . . . . . . . . . 107
High/Low Beam Changer . . . . . . . . . 127
Lane Keep Assist . . . . . . . . . . . . . . . . . . 103 Lights (cont'd)
Low Fuel Warning . . . . . . . . . . . . . . . . 107
Seat Belt Reminders . . . . . . . . . . . . . . . . 97
Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Service Electric Parking Brake . . . 102
StabiliTrak OFF . . . . . . . . . . . . . . . . . . . 104
Tire Pressure . . . . . . . . . . . . . . . . . . . . . . 106
Traction Control System
(TCS)/StabiliTrak . . . . . . . . . . . . . . . . 105
Traction Off . . . . . . . . . . . . . . . . . . . . . . . 104
Limited-Slip Differential . . . . . . . . . . . . 191
Locks Automatic Door . . . . . . . . . . . . . . . . . . . . . 19
Delayed Locking . . . . . . . . . . . . . . . . . . . . 18
Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Lockout Protection . . . . . . . . . . . . . . . . . 19
Power Door . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Loss of Control . . . . . . . . . . . . . . . . . . . . . . 146
Low Fuel Warning Light . . . . . . . . . . . 107
Low-Profile Tires . . . . . . . . . . . . . . . . . . . . 270
Lower Anchors and Tethers for Children (LATCH System) . . . . . . . . . 70
Lumbar Adjustment . . . . . . . . . . . . . . . . . 36 Front Seats . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-13183937) -
2020 - crc - 4/28/20
350 INDEX
M
MaintenanceRecords . . . . . . . . . . . . . . . . . . . . . . . . . . . . 316
Maintenance and Care Additional . . . . . . . . . . . . . . . . . . . . . . . . . 310
Maintenance Schedule . . . . . . . . . . . . . 303 Recommended Fluids andLubricants . . . . . . . . . . . . . . . . . . . . . . . 313
Malfunction Indicator Lamp . . . . . . . 100
Manual Mode . . . . . . . . . . . . . . . . . .176, 177
Massage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Memory Seats . . . . . . . . . . . . . . . . . . . . . . . . 37
Messages Engine Power . . . . . . . . . . . . . . . . . . . . . 115
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Vehicle Speed . . . . . . . . . . . . . . . . . . . . . 115
Mirrors Automatic Dimming . . . . . . . . . . . . . . . . 27
Automatic Dimming Rearview . . . . . 28
Convex . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Folding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Heated . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Manual Rearview . . . . . . . . . . . . . . . . . . . 28
Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Tilt in Reverse . . . . . . . . . . . . . . . . . . . . . . 27
Mirrors, Interior Rearview . . . . . . . . . . . 28
Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184 Driver Control . . . . . . . . . . . . . . . . . . . . . 184 Monitor System, Tire Pressure . . . . . 276N
Navigation
Connected Services . . . . . . . . . . . . . . . 341
New Vehicle Break-In . . . . . . . . . . . . . . . 157
O
Odometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 Trip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Off-Road Recovery . . . . . . . . . . . . . . . . . . . . . . . . . . . 145
Oil
Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241
Engine Oil Life System . . . . . . . . . . . 243
Pressure Light . . . . . . . . . . . . . . . . . . . . . 107
Older Children, Restraints . . . . . . . . . . . 63
Online Owner Center . . . . . . . . . . . . . . . 324
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 334
OnStar Additional Information . . . . 337
OnStar Emergency . . . . . . . . . . . . . . . . . . 336
OnStar Overview . . . . . . . . . . . . . . . . . . . . 335
OnStar Security . . . . . . . . . . . . . . . . . . . . . 337
Outlets
Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Overheating, Engine . . . . . . . . . . . . . . . . 250
Overview Instrument Panel . . . . . . . . . . . . . . . . . . . . 5
P
ParkShifting Out of . . . . . . . . . . . . . . . . . . . . 165
Park Assist . . . . . . . . . . . . . . . . . . . . . . . . . . 204
Parking Brake and P (Park)Mechanism Check . . . . . . . . . . . . . . . 256
Extended . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Over Things That Burn . . . . . . . . . . . 167
Parking or Backing
Assistance Systems . . . . . . . . . . . . . . . 204
Passenger Airbag Status Indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Passenger Compartment Air
Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
Passenger Sensing System . . . . . . . . . . 57
Pedestrian Ahead Indicator . . . . . . . . 104
Perchlorate Materials Requirements, California . . . . . . . . . 235
Personalization Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
Power Door Locks . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Outlets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Protection, Battery . . . . . . . . . . . . . . . . 132
Retained Accessory (RAP) . . . . . . . . 163
Seat Adjustment . . . . . . . . . . . . . . . . . . . . 35

Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-13183937) -
2020 - crc - 4/28/20
352 INDEX
SeatsHead Restraints . . . . . . . . . . . . . . . . . . . . . 34
Heated and Ventilated Front . . . . . . . 40
Lumbar Adjustment, Front . . . . . . . . . 36
Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Power Adjustment, Front . . . . . . . . . . 35
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Reclining Seatbacks . . . . . . . . . . . . . . . . 36
Securing Child Restraints . . . . . . . 76, 78
Security Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 337
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Vehicle Alarm . . . . . . . . . . . . . . . . . . . . . . . 22
Self-Sealing Tires . . . . . . . . . . . . . . . . . . . 269
Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140 Accessories andModifications . . . . . . . . . . . . . . . . . . . . 235
Doing Your Own Work . . . . . . . . . . . 235
Maintenance Records . . . . . . . . . . . . 316
Maintenance, General Information . . . . . . . . . . . . . . . . . . . . . . 302
Parts Identification . . . . . . . . . . . . . . . 317
Scheduling Appointments . . . . . . . . 326
Service Electric Parking Brake
Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Services Special Application . . . . . . . . . . . . . . . 309 Servicing the Airbag . . . . . . . . . . . . . . . . . 61
Shifting
Into Park . . . . . . . . . . . . . . . . . . . . . 163, 164
Out of Park . . . . . . . . . . . . . . . . . . . . . . . . 165
Side Blind Zone Alert (SBZA) . . . . . . 217
Signals, Turn and Lane-Change . . . . 129
Special Application Services . . . . . . . 309
Specifications and Capacities . . . . . . 318
Speedometer . . . . . . . . . . . . . . . . . . . . . . . . . 96
StabiliTrak OFF Light . . . . . . . . . . . . . . . . . . . . . . . . . . 104
Start Assist, Hill . . . . . . . . . . . . . . . . . . . . 181
Start Vehicle, Remote . . . . . . . . . . . . . . . 14
Starter Switch Check . . . . . . . . . . . . . . . 255
Starting the Engine . . . . . . . . . . . . . . . . . 160
Steering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144 Heated Wheel . . . . . . . . . . . . . . . . . . . . . . . 86
Wheel Adjustment . . . . . . . . . . . . . . . . . . 86
Wheel Controls . . . . . . . . . . . . . . . . . . . . . 86
Stop/Start System . . . . . . . . . . . . . . . . . . 161
Storage Areas Cargo Management System . . . . . . . . 84
Center Console . . . . . . . . . . . . . . . . . . . . . . 83
Glove Box . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Umbrella . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Storage Compartments . . . . . . . . . . . . . . 82
Struts Gas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257 Stuck Vehicle . . . . . . . . . . . . . . . . . . . . . . . 153
Summer Tires . . . . . . . . . . . . . . . . . . . . . . . 270
Sun Visors . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
System
Forward Collision Alert (FCA) . . . . 211
Infotainment . . . . . . . . . . . . . . . . . 133, 334
Systems Driver Assistance . . . . . . . . . . . . . . . . . 203
T
Tachometer . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Text Telephone (TTY) Users . . . . . . . 323
Theft-Deterrent Systems . . . . . . . . . . . . 24Immobilizer . . . . . . . . . . . . . . . . . . . . . . . . . 24
Thigh Support Adjustment . . . . . . . . . . 36
Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 267
All-Season . . . . . . . . . . . . . . . . . . . . . . . . . 268
Buying New Tires . . . . . . . . . . . . . . . . . 282
Chains . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 286
Designations . . . . . . . . . . . . . . . . . . . . . . 272
Different Size . . . . . . . . . . . . . . . . . . . . . . 284
If a Tire Goes Flat . . . . . . . . . . . . . . . . 287
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . 280
Low Profile . . . . . . . . . . . . . . . . . . . . . . . . 270
Pressure . . . . . . . . . . . . . . . . . . . . . . 275, 276