Part B: Owner Checks And Services; At Each Fuel Fill; At Least Once A Month - GMC Sierra Denali Owner's Manual

Part B: Owner Checks and Services
Listed in this part are owner checks and services
which should be performed at the intervals specified to
help ensure the safety, dependability and emission
control performance of your vehicle.
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 Part D.
At Each Fuel Fill
It is important for you or a service station attendant 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 5-13 for further
details.
Engine Coolant Level Check
Windshield Washer Fluid Level Check
Check the windshield washer fluid level in the windshield
washer tank and add the proper fluid if necessary.
See Windshield Washer Fluid on page 5-38 for further
details.
At Least Once a Month
Tire Inflation Check
Make sure tries are inflated to the correct pressures.
Don't forget to check your spare tire. See Tires on
page 5-61 for further details.
Cassette Tape Player Service
Clean cassette tape player. Cleaning should be done
every 50 hours of tape play. See Audio System(s)
on page 3-61 for further details.
Check the engine coolant level and add DEX-COOL@
coolant mixture if necessary. See Engine Coolant
on page 5-24 for further details.
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