GMC Yukon XL 2015 Owner's Manual page 402

for up to a year. The engine oil and
filter must be changed at least once
a year and the oil life system must
be reset. Your trained dealer
technician can perform this work.
If the engine oil life system 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 System on
page 10-9.
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
Rotation on page 10-58.
Check engine oil level and oil
life percentage. If needed,
change engine oil and filter, and
reset oil life system. See Engine
Oil on page 10-6 and Engine Oil
Life System on page 10-9.
Check engine coolant level. See
Engine Coolant on page 10-15.
Check windshield washer fluid
level. See Washer Fluid on
page 10-20.
Visually inspect windshield wiper
blades for wear, cracking,
or contamination. See Exterior
Care on page 10-86. Replace
worn or damaged wiper blades.
See Wiper Blade Replacement
on page 10-28.
Check tire inflation pressures.
See Tire Pressure on
page 10-51.
Inspect tire wear. See Tire
Inspection on page 10-58.
Visually check for fluid leaks.
Inspect engine air cleaner filter.
See Engine Air Cleaner/Filter on
page 10-13.
Inspect brake system.
Visually inspect steering,
suspension, and chassis
components for damaged, loose,
Service and Maintenance
or missing parts or signs of wear
at least once a year. See
Exterior Care on page 10-86.
Lubricate the suspension and
steering components at least
every other oil
change. (If equipped with grease
fittings)
Check restraint system
components. See Safety System
Check on page 3-27.
Visually inspect fuel system for
damage or leaks.
Visually inspect exhaust system
and nearby heat shields for
loose or damaged parts.
Lubricate body components. See
Exterior Care on page 10-86.
Check starter switch. See Starter
Switch Check on page 10-27.
Check automatic transmission
shift lock control function. See
Automatic Transmission Shift
Lock Control Function Check on
page 10-27.
11-3