GMC 2007 Yukon XL, Owner'S Manual

Page: 585 / 630

At Each Fuel Fill
It is important to perform these underhood checks
at each fuel fill.
Engine Oil Level Check
Check the engine oil level and add the proper oil if
necessary. See Engine Oil on page 463 for
further details.
Notice: It is important to check the engine oil
regularly and keep it at the proper level.
Failure to keep the engine oil at the proper
level can cause damage to the engine not
covered by your warranty.
Engine Coolant Level Check
Check the engine coolant level and add
DEX-COO
®
coolant mixture if necessary. See
Engine Coolant on page 475 for further details.
Windshield Washer Fluid Level Check
Check the windshield washer fluid level in
the windshield washer fluid reservoir and add the
proper fluid if necessary.
At Least Once a Month
Tire Inflation Check
Visually inspect your vehicle’s tires and make
sure they are inflated to the correct pressures.
Do not forget to check the spare tire. See
Inflation - Tire Pressure on page 518. Check to
make sure the spare tire is stored securely.
See Changing a Flat Tire on page 534.
Tire Wear Inspection
Tire rotation may be required for high mileage
highway drivers prior to the Engine Oil Life System
service notification. Check the tires for wear
and, if necessary, rotate the tires. See Tire
Inspection and Rotation on page 524.
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