2020 CADILLAC CT4 recommended fluids
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Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-13183937) -
2020 - crc - 4/28/20
302 SERVICE AND MAINTENANCE
Service and
Maintenance
General Information
General Information . . . . . . . . . . . . . 302
Maintenance Schedule
Maintenance Schedule . . . . . . . . . . . 303
Special Application Services
Special Application Services . . . . . 309
Additional Maintenance
and Care
Additional Maintenanceand Care . . . . . . . . . . . . . . . . . . . . . . . . . 310
Recommended Fluids,
Lubricants, and Parts
Recommended Fluids andLubricants . . . . . . . . . . . . . . . . . . . . . . . 313
Maintenance Replacement Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 314
Maintenance Records
Maintenance Records . . . . . . . . . . . . 316
General Information
Your vehicle is an important
investment. This section describes the
required maintenance for the vehicle.
Follow this schedule to help protect
against major repair expenses
resulting from neglect or inadequate
maintenance. It may also help to
maintain the value of the vehicle if it
is sold. It is the responsibility of the
owner to have all required
maintenance performed.
Your dealer has trained technicians
who can perform required
maintenance using genuine
replacement parts. They have
up-to-date tools and equipment for
fast and accurate diagnostics. Many
dealers have extended evening and
Saturday hours, courtesy
transportation, and online scheduling
to assist with service needs.
Your dealer recognizes the importance
of providing competitively priced
maintenance and repair services. With
trained technicians, the dealer is the
place for routine maintenance such as
oil changes and tire rotations and additional maintenance items like
tires, brakes, batteries, and wiper
blades.
Caution
Damage caused by improper
maintenance can lead to costly
repairs and may not be covered by
the vehicle warranty. Maintenance
intervals, checks, inspections,
recommended fluids, and lubricants
are important to keep the vehicle in
good working condition.
Do not have chemical flushes that
are not approved by GM performed
on the vehicle. The use of flushes,
solvents, cleaners, or lubricants that
are not approved by GM could
damage the vehicle, requiring
expensive repairs that are not
covered by the vehicle warranty.
The Tire Rotation and Required
Services are the responsibility of the
vehicle owner. It is recommended to
have your dealer perform these
services every 12 000 km/7,500 mi.
Page 311 of 356
Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-13183937) -
2020 - crc - 4/28/20
310 SERVICE AND MAINTENANCE
Additional Maintenance
and Care
Your vehicle is an important
investment and caring for it properly
may help to avoid future costly
repairs. To maintain vehicle
performance, additional maintenance
services may be required.
It is recommended that your dealer
perform these services—their trained
dealer technicians know your vehicle
best. Your dealer can also perform a
thorough assessment with a
multi-point inspection to recommend
when your vehicle may need
attention.
The following list is intended to
explain the services and conditions to
look for that may indicate services are
required.
Battery
The 12-volt battery supplies power to
start the engine and operate any
additional electrical accessories. .
To avoid break-down or failure to
start the vehicle, maintain a
battery with full cranking power.
. Trained dealer technicians have
the diagnostic equipment to test
the battery and ensure that the
connections and cables are
corrosion-free.
Belts
. Belts may need replacing if they
squeak or show signs of cracking
or splitting.
. Trained dealer technicians have
access to tools and equipment to
inspect the belts and recommend
adjustment or replacement when
necessary.
Brakes
Brakes stop the vehicle and are crucial
to safe driving.
. Signs of brake wear may include
chirping, grinding, or squealing
noises, or difficulty stopping. .
Trained dealer technicians have
access to tools and equipment to
inspect the brakes and recommend
quality parts engineered for the
vehicle.
Fluids
Proper fluid levels and approved fluids
protect the vehicle’s systems and
components. See Recommended Fluids
and Lubricants 0313 for GM approved
fluids.
. Engine oil and windshield washer
fluid levels should be checked at
every fuel fill.
. Instrument cluster lights may
come on to indicate that fluids
may be low and need to be filled.
Hoses
Hoses transport fluids and should be
regularly inspected to ensure that
there are no cracks or leaks. With a
multi-point inspection, your dealer
can inspect the hoses and advise if
replacement is needed.
Page 314 of 356
Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-13183937) -
2020 - crc - 4/28/20
SERVICE AND MAINTENANCE 313
Recommended Fluids, Lubricants, and Parts
Recommended Fluids and Lubricants
Fluids and lubricants identified below by name or specification, including fluids or lubricants not listed here, can be
obtained from your dealer.Usage Fluid/Lubricant
Automatic Transmission (8-Speed Transmission) DEXRON-HP Automatic Transmission Fluid.
Automatic Transmission (10-Speed Transmission) DEXRON ULV Automatic Transmission Fluid.
Chassis Lubrication Chassis Lubricant (GM Part No. 12377985) or lubricant meeting requirements of NLGI #2, Category LB or GC-LB.
Engine Coolant 50/50 mixture of clean, drinkable water and use only DEX-COOL Coolant. See Cooling System0246.
Engine Oil Engine oil meeting the dexos1 specification of the proper SAE viscosity grade. ACDelco dexos1 full synthetic is recommended. See Engine Oil0241.
Hood Latch Assembly, Secondary Latch,
Pivots, Spring Anchor, and Release Pawl Lubriplate Lubricant Aerosol (GM Part No. 89021668) or lubricant meeting
requirements of NLGI #2, Category LB or GC-LB.
Hydraulic Brake System DOT 3 Hydraulic Brake Fluid.
Key Lock Cylinders, Hood and Door Hinges Multi-Purpose Lubricant, Superlube (GM Part No. 12346241).
Rear Axle/Front Axle (All-Wheel Drive) See your dealer.
Page 351 of 356
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
Page 352 of 356
Cadillac CT4 Owner Manual (GMNA-Localizing-U.S./Canada-13183937) -
2020 - crc - 4/28/20
INDEX 351
Power (cont'd)Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Pregnancy, Using Seat Belts . . . . . . . . . 50
Privacy Vehicle Data Recording . . . . . . . . . . 332
Program Courtesy Transportation . . . . . . . . . 327
Prohibited Fuels . . . . . . . . . . . . . . . . . . . . 222
Proposition 65 Warning,
California . . . . . . . . . . . . . . .234, 254, 288, Back Cover
Publication Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . 330
R
Radio Frequency Statement . . . . . . . . 330
Reading Lamps . . . . . . . . . . . . . . . . . . . . . 130
Rear Pedestrian Alert . . . . . . . . . . . . . . . 209
Rear Seats . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Rear Vision Camera (RVC) . . . . . . . . . 204
Rearview Mirrors . . . . . . . . . . . . . . . . . . . . 28Automatic Dimming . . . . . . . . . . . . . . . . 28
Reclining Seatbacks . . . . . . . . . . . . . . . . . 36
Recommended Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221
Recommended Fluids and Lubricants . . . . . . . . . . . . . . . . . . . . . . . . . 313 Records
Maintenance . . . . . . . . . . . . . . . . . . . . . . 316
Recreational Vehicle Towing . . . . . . . 292
Reimbursement Program, GM Mobility . . . . . . . . . . . . . . . . . . . . . . . . . . . . 324
Remote Keyless Entry (RKE) System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Remote Vehicle Start . . . . . . . . . . . . . . . . 14
Replacement Parts Airbags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Maintenance . . . . . . . . . . . . . . . . . . . . . . 314
Replacing Airbag System . . . . . . . . . . . . 63
Replacing LATCH System Parts after a Crash . . . . . . . . . . . . . . . . . . . . . . . . 76
Replacing Seat Belt System Parts after a Crash . . . . . . . . . . . . . . . . . 51
Reporting Safety Defects Canadian Government . . . . . . . . . . . . 331
General Motors . . . . . . . . . . . . . . . . . . . 332
U.S. Government . . . . . . . . . . . . . . . . . . 331
Restraints
Where to Put . . . . . . . . . . . . . . . . . . . . . . . . 69
Retained Accessory Power (RAP) . . . . . . . . . . . . . . . . . . . . . . . 163
Reverse Tilt Mirrors . . . . . . . . . . . . . . . . . 27
Ride Control Systems
Enhanced TractionSystem (ETS) . . . . . . . . . . . . . . . . . . . . 191 Roads
Driving, Wet . . . . . . . . . . . . . . . . . . . . . . . 151
Roadside Service . . . . . . . . . . . . . . . . . . . . 325
Roof Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Rotation, Tires . . . . . . . . . . . . . . . . . . . . . . 281
Routing, Engine Drive Belt . . . . . . . . . 320
Run-Flat Tires . . . . . . . . . . . . . . . . . . . . . . . 269
Running the Vehicle While Parked . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168
S
Safety Defects ReportingCanadian Government . . . . . . . . . . . . 331
General Motors . . . . . . . . . . . . . . . . . . . 332
U.S. Government . . . . . . . . . . . . . . . . . . 331
Safety Locks . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Safety System Check . . . . . . . . . . . . . . . . 50
Scheduling Appointments . . . . . . . . . . 326
Seat Belts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44 Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Extender . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
How to Wear Seat Belts
Properly . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Lap-Shoulder Belt . . . . . . . . . . . . . . . . . . . 47
Reminders . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Replacing after a Crash . . . . . . . . . . . . . 51
Use During Pregnancy . . . . . . . . . . . . . . 50