Service And Appearance Care - GMC 2008 Yukon Denali Owner's Manual

Section 5
Service ............................................................5-3
Accessories and Modifications ..........................5-3
California Proposition 65 Warning .....................5-3
California Perchlorate Materials Requirements .....5-4
Doing Your Own Service Work .........................5-4
Adding Equipment to the Outside
of Your Vehicle ...........................................5-4
Fuel ................................................................5-5
Gasoline Octane ............................................5-5
Gasoline Specifications ....................................5-5
California Fuel ...............................................5-5
Additives .......................................................5-6
Fuels in Foreign Countries ...............................5-6
Filling the Tank ..............................................5-7
Filling a Portable Fuel Container .......................5-9
Checking Things Under the Hood ....................5-10
Hood Release ..............................................5-10
Engine Compartment Overview .......................5-12
Engine Oil ...................................................5-13
Engine Oil Life System ..................................5-16
Engine Air Cleaner/Filter ................................5-17
Automatic Transmission Fluid .........................5-20
Engine Coolant .............................................5-23
Coolant Surge Tank Pressure Cap ..................5-26
Engine Overheating .......................................5-26
Overheated Engine Protection
Operating Mode ........................................5-28

Service and Appearance Care

Cooling System ............................................5-29
Engine Fan Noise .........................................5-34
Power Steering Fluid .....................................5-34
Windshield Washer Fluid ................................5-35
Brakes ........................................................5-36
Battery ........................................................5-39
Jump Starting ...............................................5-40
All-Wheel Drive ..............................................5-45
Rear Axle .......................................................5-46
Front Axle ......................................................5-47
Headlamp Aiming ...........................................5-48
Bulb Replacement ..........................................5-50
Halogen Bulbs ..............................................5-50
Taillamps, Turn Signal, Stoplamps and
License Plate Lamp ......................................5-52
Replacement Bulbs .......................................5-52
Windshield Wiper Blade Replacement ..............5-53
Tires ..............................................................5-55
Tire Sidewall Labeling ...................................5-56
Tire Terminology and Definitions .....................5-58
Inflation - Tire Pressure .................................5-60
High-Speed Operation ...................................5-62
Tire Pressure Monitor System .........................5-62
Tire Pressure Monitor Operation .....................5-64
Back-up Lamps .........................................5-51
5-1