At Each Fuel Fill; At Least Once A Month - Hummer 2007 H3 Owner's Manual

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 323 for
further details.
Notice: It is important to check your oil
regularly and keep it at the proper level.
Failure to keep your engine oil at the proper
level can cause damage to your engine
not covered by your warranty.
Engine Coolant Level Check
Check the engine coolant level and add
®
DEX-COOL coolant mixture if necessary. See
Engine Coolant on page 335 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.
436

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 375. Check to
make sure the spare tire is stored securely.
See Changing a Flat Tire on page 391.
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 381.