Cadillac 2005 STS, Owner'S Manual

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Service ............................................................5-3
Doing Your Own Service Work .........................5-4
Adding Equipment to the Outside of
Your Vehicle ..............................................5-5
Fuel ................................................................5-5
Gasoline Octane ............................................5-5
Gasoline Specifications ....................................5-5
California Fuel ...............................................5-6
Additives .......................................................5-6
Fuels in Foreign Countries ...............................5-7
Filling Your Tank ............................................5-8
Filling a Portable Fuel Container .....................5-10
Checking Things Under the Hood ....................5-10
Hood Release ..............................................5-11
Engine Compartment Overview .......................5-12
Engine Oil ...................................................5-16
Engine Oil Life System ..................................5-19
Engine Air Cleaner/Filter ................................5-21
Automatic Transmission Fluid .........................5-22
Engine Coolant .............................................5-23
Coolant Surge Tank Pressure Cap ..................5-26
Engine Overheating .......................................5-26
Overheated Engine Protection
Operating Mode ........................................5-28
Cooling System ............................................5-29
Power Steering Fluid .....................................5-33
Windshield Washer Fluid ................................5-34
Brakes ........................................................5-35
Battery ........................................................5-38
Jump Starting ...............................................5-39
All-Wheel Drive ..............................................5-44
Rear Axle .......................................................5-45
Front Axle ......................................................5-46
Bulb Replacement ..........................................5-47
High Intensity Discharge (HID) Lighting ............5-47
Halogen Bulbs ..............................................5-47
Front Turn Signal Lamps ...............................5-48
Sidemarker Lamps ........................................5-48
Back-Up Lamps ............................................5-49
Windshield Wiper Blade Replacement ..............5-50
Tires ..............................................................5-51
Tire Sidewall Labelling ...................................5-52
Tire Terminology and Definitions .....................5-56
Inflation - Tire Pressure .................................5-58
Tire Pressure Monitor System .........................5-60
Tire Inspection and Rotation ...........................5-63
When It Is Time for New Tires .......................5-65
Buying New Tires .........................................5-65
Uniform Tire Quality Grading ..........................5-67
Wheel Alignment and Tire Balance ..................5-68
Wheel Replacement ......................................5-68
Section 5 Service and Appearance Care
5-1