Cadillac XT4 2023 Owner's Manual page 328

Check engine coolant level. See Cooling
System 0 264.
Check the windscreen washer fluid level.
See Washer Fluid 0 269.
Check the tyre inflation pressures. See
Tyre Pressure 0 288.
Inspect the tyre wear. See Tyre Inspection
0 294.
Visually check for fluid leaks.
Inspect brake system. See Exterior Care
0 315.
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 0 315.
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, centre
bearing excessive looseness, loose or
missing fasteners, and axle seal leaks.
Check the restraint system components.
See Safety System Check 0 50.
Visually inspect the fuel system, including
the evaporative (EVAP) system, for
damage or leaks. Visually check all fuel
pipes, vapour lines, and hoses for proper
attachment, connection, routing, and
condition.
Visually inspect the exhaust system and
nearby heat shields for loose or damaged
parts.
Lubricate body components. See Exterior
Care 0 315.
Check the parking brake and automatic
transmission park mechanism. See Park
Brake and P (Park) Mechanism Check
0 272.
Check the accelerator pedal for damage,
high effort, or binding. Replace if needed.
Visually inspect gas strut for signs of
wear, cracks, or other damage. Check the
hold open ability of the strut. If the hold
open is low, service the gas strut. See Gas
Strut(s) 0 274.
Check the tyre sealant expiration date,
if equipped. See Tyre Sealant and
Compressor Kit 0 300.
Inspect sunroof track and seal,
if equipped. See Sunroof 0 33.
Service and Maintenance
Additional Required Services
Service
Every 30,000 km
Rotate the tyres, if recommended for the
vehicle, and perform Required Services.
Check engine oil level and oil
life percentage. Change the engine oil and
filter, if needed.
Check the engine air filter life percentage
and status. Change the engine air filter,
if needed. Or every four years, whichever
comes first. If driving in dusty conditions,
inspect the filter at each oil change or
more often as needed. See Engine Air
Cleaner/Filter 0 263.
Replace the passenger compartment air
filter. Or every 24 months, whichever
comes first. More frequent passenger
compartment air filter replacement may
be needed if driving in areas with heavy
traffic, poor air quality, high dust levels,
or environmental allergens. Passenger
compartment air filter replacement may
also be needed if there is reduced airflow,
window misting, or odours. Your GM
retailer can help determine when to
replace the filter.
Drain the diesel fuel filter of water.
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