GMC Yukon XL 2013 Owner's Manual page 447

for more than 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 55.
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 22.
Service and Maintenance
Visually inspect windshield wiper
blades for wear, cracking,
or contamination. See Exterior
Care on page 10 89. Replace
worn or damaged wiper blades.
See Wiper Blade Replacement
on page 10 30.
Check tire inflation pressures.
See Tire Pressure on
page 10 50.
Inspect tire wear. See Tire
Inspection on page 10 55.
Visually check for fluid leaks.
Inspect engine air cleaner filter.
See Engine Air Cleaner/Filter on
page 10 13.
Inspect brake system.
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