Cadillac XT4 Owner's Manual page 367

366 SERVICE AND MAINTENANCE
Visually inspect the exhaust system
and nearby heat shields for loose or
damaged parts.
Lubricate body components. See
Exterior Care 0 351.
Check the parking brake and
automatic transmission park
mechanism. See Park Brake and
P (Park) Mechanism Check 0 304.
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) 0 306.
Check the tyre sealant expiration
date, if equipped. See Tyre Sealant
and Compressor Kit 0 334.
Inspect sunroof track and seal,
if equipped. See Sunroof 0 35.
Additional Required Services
Normal 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 0 295.
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.
Replace front and rear wiper blades.
Or every 12 months, whichever
comes first. See Wiper Blade
Replacement 0 304.
Every 60,000 km
Replace fuel filter. Or as indicated
by the Driver Information Centre
(DIC) or two years whichever comes
first. The fuel filter may need to be
replaced more often based on
biodiesel usage, driving in climates
with severe dust, off-road driving,
or towing a trailer for extended
periods..