2003 GMC Envoy Owner's Manual - Page 296

Section 5 Service and Appearance Care Brakes ...5.38 Battery ...5.41 Jump Starting ...5-42 Rear Axle ...5-48 Four-wheel Drive ...5-49 Bulb Replacement ...5-51 Halogen Bulbs ...5-51 Headlamps ...5-51 Front Turn Signal and Sidemarker Lamps ...5-51 Taillamps and Turn Signal Lamps ...5-51 Replacement Bulbs ...5-52 Windshield Wiper Blade Replacement ...5-53 Tires ...5-56 Inflation -- Tire Pressure ...5-57 Tire Inspection and Rotation ...5-58 When It Is Time for New Tires ...5-59 Buying New Tires ...5-60 Uniform Tire Quality Grading ...5-61 Wheel Alignment and Tire Balance ...5-62 Wheel Replacement ...5-62 Tire Chains ...5-64 Accessory Inflator ...5-64 If a Tire Goes Flat ...5-66 Changing a Flat Tire ...5-66 Service ...5.3 Doing Your Own Service Work ...5-4 Adding Equipment to the Outside of Your Vehicle ...5.4 Fuel ...5.5 Gasoline Octane ...5.5 ...5.5 Gasoline Specifications California Fuel ...5.6 Additives ...5.6 Fuels in Foreign Countries ...5.7 Filling Your 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 ...5.15 Engine Air Cleaner/Filter ...5-20 Automatic Transmission Fluid ...5.21 Engine Coolant ...5.24 Radiator Pressure Cap ...5.26 Engine Overheating ...5.27 Cooling System ...5.29 Engine Fan Noise ...5.35 Power Steering Fluid ...5.36 Windshield Washer Fluid ..., ...5.37 5- 1