Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-14584335) -
2021 - CRC - 12/4/20
122 INSTRUMENTS AND CONTROLS
Touch Off or On.
Remote Removed from Vehicle
Alert
This feature beeps the horn three
times when exiting a running vehicle
with the remote key.
Touch Off or On.
Seating Position
Touch and the following may display:
.Seat Entry Memory
.Seat Exit Memory
Seat Entry Memory
This feature automatically recalls the
previously stored 1 or 2 button
positions when the ignition is changed
from off to on or ACC/ACCESSORY.
See Memory Seats 034.
Touch Off or On.
Seat Exit Memory
This feature automatically recalls the
previously stored exit button positions
when the ignition is changed from on
or ACC/ACCESSORY to off if the driver
door is open or opened. See Memory
Seats 034. Touch Off or On.
Teen Driver
See
“Teen Driver” underSettings 0176.
Valet Mode
This will lock the infotainment system
and steering wheel controls. It may
also limit access to vehicle storage
locations, if equipped.
To enable valet mode:
1. Enter a four-digit code on the keypad.
2. Touch Enter to go to the confirmation screen.
3. Re-enter the four-digit code.
Touch Lock or Unlock to lock or
unlock the system. Touch Back to go
back to the previous menu.
Universal Remote
System
See Radio Frequency Statement 0409.
Universal Remote System
Programming
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
instructions refer to a garage door
opener, but can be used for other
devices.
Do not use the Universal Remote
system with any garage door opener
that does not have the stop and
Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-14584335) -
2021 - CRC - 11/23/20
338 VEHICLE CARE
FusesUsage
17 Electronic suspension control
18 –
19 Motor seat belt driver
20 Rear defog
21 DC to DC transformer 2
22 Driver power window / Door handle switch
23 External object calculating module/
Front camera
module/High
definition
localization/Short
range radar
24 Passenger power window / Door
handle switch
25 –
26 –
27 Rear drive control module
28 – Fuses
Usage
29 –
30 –
31 DC to DC transformer 1
32 Transfer case electronic control
33 Central gateway module/Side blind
zone alert
34 Video processing module
35 Hands free closure release
36 Exterior lighting module 2
37 Passenger memory seat module
38 –
39 Right front/Right rear window
40 –
41 –
42 Amplifier Fuses
Usage
43 Park assist module
44 Driver memory seat module
45 OnStar
46 –
47 –
48 –
49 –
50 Driver seat
51 Left front/Left rear window
52 Passenger seat
Relays Usage
53 –
54 –
55 Run
Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-14584335) -
2021 - CRC - 11/23/20
INDEX 427
Lights (cont'd)Charging System . . . . . . . . . . . . . . . . . . . 97
Check Engine (Malfunction
Indicator) . . . . . . . . . . . . . . . . . . . . . . . . . 97
Cruise Control . . . . . . . . . . . . . . . . . . . . . 106
Door Ajar . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Driver Mode Control . . . . . . . . . . . . . . 103
Electric Parking Brake . . . . . . . . . . . . 100
Engine Coolant Temperature Warning . . . . . . . . . . . . . . . . . . . . . . . . . 103
Engine Oil Pressure . . . . . . . . . . . . . . . 104
Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . . 128
High-Beam On . . . . . . . . . . . . . . . . . . . . 105
High/Low Beam Changer . . . . . . . . . 128
Lane Keep Assist . . . . . . . . . . . . . . . . . . 101
Low Fuel Warning . . . . . . . . . . . . . . . . 105
Seat Belt Reminders . . . . . . . . . . . . . . . 95
Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
Service Electric Parking Brake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
StabiliTrak OFF . . . . . . . . . . . . . . . . . . . 102
Tire Pressure . . . . . . . . . . . . . . . . . . . . . . 104
Traction Control System
(TCS)/StabiliTrak . . . . . . . . . . . . . . . . 103
Traction Off . . . . . . . . . . . . . . . . . . . . . . . 102
Limited-Slip Differential . . . . . . . . . . . . 248 Locks
Automatic Door . . . . . . . . . . . . . . . . . . . . 17
Delayed Locking . . . . . . . . . . . . . . . . . . . 17
Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Lockout Protection . . . . . . . . . . . . . . . . 18
Power Door . . . . . . . . . . . . . . . . . . . . . . . . . 17
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Loss of Control . . . . . . . . . . . . . . . . . . . . . . 206
Low Fuel Warning Light . . . . . . . . . . . 105
Low-Profile Tires . . . . . . . . . . . . . . . . . . . . 341
Lower Anchors and Tethers for Children (LATCH System) . . . . . . . . . 65
Lumbar Adjustment . . . . . . . . . . . . . . . . . 32 Front Seats . . . . . . . . . . . . . . . . . . . . . . . . . 32
M
MaintenanceRecords . . . . . . . . . . . . . . . . . . . . . . . . . . . . 394
Maintenance and Care Additional . . . . . . . . . . . . . . . . . . . . . . . . . 388
Maintenance Schedule . . . . . . . . . . . . . 380
Recommended Fluids andLubricants . . . . . . . . . . . . . . . . . . . . . . . 391
Malfunction Indicator Lamp . . . . . . . . 97
Manual Mode . . . . . . . . . . . . . . . . . .234, 235
Map Data Updates . . . . . . . . . . . . . . . . . . 163 Maps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
Massage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Media
Avoiding Untrusted Devices . . . . . 145
Memory Seats . . . . . . . . . . . . . . . . . . . . . . . . 34
Messages Engine Power . . . . . . . . . . . . . . . . . . . . . 117
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
Vehicle Speed . . . . . . . . . . . . . . . . . . . . . 117
Mirrors Automatic Dimming . . . . . . . . . . . . . . . 25
Automatic Dimming Rearview . . . . 26
Convex . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Folding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Heated . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Manual Rearview . . . . . . . . . . . . . . . . . . 26
Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Tilt in Reverse . . . . . . . . . . . . . . . . . . . . . 25
Mirrors, Interior Rearview . . . . . . . . . . . 26
Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241 Driver Control . . . . . . . . . . . . . . . . . . . . . 241
Monitor System, Tire Pressure . . . . . 348
Multi-band Antenna . . . . . . . . . . . . . . . . 145
Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-14584335) -
2021 - CRC - 11/23/20
430 INDEX
SeatsHead Restraints . . . . . . . . . . . . . . . . . . . . 31
Heated and Ventilated Front . . . . . . 37
Lumbar Adjustment, Front . . . . . . . . 32
Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Power Adjustment, Front . . . . . . . . . 32
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Reclining Seatbacks . . . . . . . . . . . . . . . 33
Securing Child Restraints . . . . . . . 72, 74
Security Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 414
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Vehicle Alarm . . . . . . . . . . . . . . . . . . . . . . 20
Self-Sealing Tires . . . . . . . . . . . . . . . . . . . 341
Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201 Accessories andModifications . . . . . . . . . . . . . . . . . . . . 306
Doing Your Own Work . . . . . . . . . . . 306
Maintenance Records . . . . . . . . . . . . 394
Maintenance, General Information . . . . . . . . . . . . . . . . . . . . . . 379
Parts Identification . . . . . . . . . . . . . . . 395
Scheduling Appointments . . . . . . . . 405
Service Electric Parking Brake
Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Services Special Application . . . . . . . . . . . . . . . 388 Servicing System . . . . . . . . . . . . . . . . . . . . 163
Servicing the Airbag . . . . . . . . . . . . . . . . . 57
Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176
Shifting
Into Park . . . . . . . . . . . . . . . . . . . . 223, 224
Out of Park . . . . . . . . . . . . . . . . . . . . . . . . 225
Side Blind Zone Alert (SBZA) . . . . . . 289
Signals, Turn and Lane-Change . . . . 129
Software Updates . . . . . . . . . . . . . . . . . . . 140
Special Application Services . . . . . . . 388
Specifications and Capacities . . . . . . 396
Speedometer . . . . . . . . . . . . . . . . . . . . . . . . . 93
StabiliTrak
OFF Light . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Start Assist, Hill . . . . . . . . . . . . . . . . . . . . 238
Start Vehicle, Remote . . . . . . . . . . . . . . . 13
Starting the Engine . . . . . . . . . . . . . . . . . 220
Steering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205 Heated Wheel . . . . . . . . . . . . . . . . . . . . . . 82
Wheel Adjustment . . . . . . . . . . . . . . . . . 82
Wheel Controls . . . . . . . . . . . . . . . . . . . . 82
Steering Wheel Controls . . . . . . . . . . . 137
Stop/Start System . . . . . . . . . . . . . . . . . . 221
Storage Areas Cargo Management System . . . . . . . 80
Center Console . . . . . . . . . . . . . . . . . . . . . 79
Glove Box . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Umbrella . . . . . . . . . . . . . . . . . . . . . . . . . . . 79 Storage Compartments . . . . . . . . . . . . . . 78
Storing the Tire Sealant and
Compressor Kit . . . . . . . . . . . . . . . . . . . . 366
Struts Gas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 328
Stuck Vehicle . . . . . . . . . . . . . . . . . . . . . . . 214
Summer Tires . . . . . . . . . . . . . . . . . . . . . . . 341
Sun Visors . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Super Cruise . . . . . . . . . . . . . . . . . . . . . . . . 260
Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Navigation . . . . . . . . . . . . . . . . . . . . . . . . . 154
System Brake Pad Life . . . . . . . . . . . . . . . . . . . . . 324
Engine Air Filter Life . . . . . . . . . . . . . 315
Forward Collision Alert (FCA) . . . . 283
Global Positioning . . . . . . . . . . . . . . . . 161
Infotainment . . . . . . . . . . . . . . . . . . . . . . 412
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
Systems Driver Assistance . . . . . . . . . . . . . . . . . 275
T
Tachometer . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Teen Driver . . . . . . . . . . . . . . . . . . . . . . . . . . 184
Text Telephone (TTY) Users . . . . . . . 402
Theft-Deterrent Systems . . . . . . . . . . . . 23
Immobilizer . . . . . . . . . . . . . . . . . . . . . . . . 22