Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13527548) - 2020 - CRC - 9/5/19
320 SERVICE AND MAINTENANCE
is reset accidentally, service the
vehicle within 5 000 km/3,000 mi since
the last service. Reset the oil life
system when the oil is changed. See
Engine Oil Life System0249.
Engine Air Filter Change
When the REPLACE AT NEXT OIL
CHANGE message displays, the engine
air filter should be replaced at the
next engine oil change. When the
REPLACE ENGINE AIR FILTER SOON
message displays, the engine air filter
should be replaced at the earliest
convenience. Reset the engine air
filter life system after the engine air
filter is replaced. See Engine Air Filter
Life System 0250.
Air Conditioning Desiccant
(Replace Every Seven Years)
The air conditioning system requires
maintenance every seven years. This
service requires replacement of the
desiccant to help the longevity and
efficient operation of the air
conditioning system. This service can
be complex. See your dealer.
Tire Rotation and Required
Services Every 12 000 km/
7,500 mi
Rotate the tires, if recommended for
the vehicle, and perform the following
services. See Tire Rotation0286.
. Check engine oil level and oil
life percentage. If needed, change
engine oil and filter, and reset oil
life system. See Engine Oil0247
and
Engine Oil Life System 0249.
. If equipped with the engine air
filter life system, check the air
filter life percentage. If necessary,
replace the engine air filter and
reset the engine air filter life
system. See Engine Air Filter Life
System 0250. If the vehicle is not
equipped with the engine air filter
life system, inspect the engine air
cleaner filter. See Engine Air
Cleaner/Filter 0251.
. Check engine coolant level. See
Cooling System 0252.
. Check windshield washer fluid
level. See Washer Fluid 0256. .
Check tire inflation pressures. See
Tire Pressure 0279.
. Inspect tire wear. See Tire
Inspection 0285.
. Visually check for fluid leaks.
. Inspect brake system. See Exterior
Care 0310.
. Visually inspect steering,
suspension, and chassis
components for damage, including
cracks or tears in the rubber boots,
loose or missing parts, or signs of
wear at least once a year. See
Exterior Care 0310.
. Inspect power steering for proper
attachment, connections, binding,
leaks, cracks, chafing, etc.
. Visually inspect halfshafts and
drive shafts for excessive wear,
lubricant leaks, and/or damage
including: tube dents or cracks,
constant velocity joint or universal
joint looseness, cracked or missing
boots, loose or missing boot
clamps, center bearing excessive
looseness, loose or missing
fasteners, and axle seal leaks.
Cadillac XT4 Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
13527548) - 2020 - CRC - 9/5/19
368 INDEX
Seat Belts (cont'd)How to Wear Seat Belts
Properly . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Lap-Shoulder Belt . . . . . . . . . . . . . . . . . . . 55
Reminders . . . . . . . . . . . . . . . . . . . . . . . . . 113
Replacing after a Crash . . . . . . . . . . . . . 59
Use During Pregnancy . . . . . . . . . . . . . . 58
Seats Head Restraints . . . . . . . . . . . . . . . . . . . . . 41
Heated and Ventilated Front . . . . . . . 48
Heated, Rear . . . . . . . . . . . . . . . . . . . . . . . . 51
Lumbar Adjustment, Front . . . . . . . . . 43
Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Power Adjustment, Front . . . . . . . . . . 43
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Reclining Seatbacks . . . . . . . . . . . . . . . . 44
Securing Child Restraints . . . . . . . 86, 88
Security Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
OnStar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 351
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Vehicle Alarm . . . . . . . . . . . . . . . . . . . . . . . 29
Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
Accessories andModifications . . . . . . . . . . . . . . . . . . . . 243
Doing Your Own Work . . . . . . . . . . . 243
Maintenance Records . . . . . . . . . . . . 331 Service (cont'd)
Maintenance, General
Information . . . . . . . . . . . . . . . . . . . . . . 318
Parts Identification . . . . . . . . . . . . . . . 332
Scheduling Appointments . . . . . . . . 341
Service Electric Parking Brake Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
Services Special Application . . . . . . . . . . . . . . . 325
Servicing the Airbag . . . . . . . . . . . . . . . . . 70
Shifting Into Park . . . . . . . . . . . . . . . . . . . . . . . . . . 177
Out of Park . . . . . . . . . . . . . . . . . . . . . . . . 178
Side Blind Zone Alert (SBZA) . . . . . . 221
Signals, Turn and Lane-Change . . . . 143
Spare Tire
Compact . . . . . . . . . . . . . . . . . . . . . . . . . . . 305
Special Application Services . . . . . . . 325
Specifications and Capacities . . . . . . 333
Speedometer . . . . . . . . . . . . . . . . . . . . . . . . 111
StabiliTrak
OFF Light . . . . . . . . . . . . . . . . . . . . . . . . . . 120
Start Assist, Hill . . . . . . . . . . . . . . . . . . . . 191
Start Vehicle, Remote . . . . . . . . . . . . . . . 15
Starter Switch Check . . . . . . . . . . . . . . . 260
Starting the Engine . . . . . . . . . . . . . . . . . 173
Steering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159 Heated Wheel . . . . . . . . . . . . . . . . . . . . . . . 99 Steering (cont'd)
Wheel Adjustment . . . . . . . . . . . . . . . . . . 99
Wheel Controls . . . . . . . . . . . . . . . . . . . . . 99
Stop/Start System . . . . . . . . . . . . . . . . . . 174
Storage
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Storage Areas Armrest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Cargo Cover . . . . . . . . . . . . . . . . . . . . . . . . . 95
Center Console . . . . . . . . . . . . . . . . . . . . . . 94
Front . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Glove Box . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
Roof Rack System . . . . . . . . . . . . . . . . . . 96
Sunglasses . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Umbrella . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Storage Compartments . . . . . . . . . . . . . . 92
Storing the Tire Sealant and Compressor Kit . . . . . . . . . . . . . . . . . . . . 300
Struts Gas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 262
Stuck Vehicle . . . . . . . . . . . . . . . . . . . . . . . 167
Summer Tires . . . . . . . . . . . . . . . . . . . . . . . 273
Sun Visors . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Sunglass Storage . . . . . . . . . . . . . . . . . . . . . 93
Sunroof . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
System Engine Air Filter Life . . . . . . . . . . . . . 250
