GMC 2007 Envoy - Manual (Page 513)

(k) If you drive regularly under dusty conditions,
inspect the filter at each engine oil change.
(l) Visually inspect belt for fraying, excessive
cracks, or obvious damage. Replace belt if
necessary.
Owner Checks and Services
These owner checks and services should be
performed at the intervals specified to help
ensure the safety, dependability, and emission
control performance of your vehicle. Your
GM Goodwrench
® dealer can assist you with
these checks and services.
Be sure any necessary repairs are completed at
once. Whenever any fluids or lubricants are added
to your vehicle, make sure they are the proper
ones, as shown in Recommended Fluids and
Lubricants on page 517.
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 394 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 405 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.
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