Service Bulletins
Service Bulletins give additional technical service information needed to knowledgeably service General Motors cars and trucks.
Each bulletin contains instructions to assist in the diagnosis and service of the vehicle.
See also:
What to Add
When you do need brake fluid, use only DOT-3
brake fluid. Use new brake fluid from a sealed
container only.
Always clean the brake fluid reservoir cap and the
area around the cap before removing i ...
Fuel E85 (85% Ethanol)
Vehicles that have a FlexFuel badge and a yellow fuel cap can use either unleaded gasoline or ethanol fuel containing up to 85% ethanol (E85).
For all other vehicles, use only the unleaded gasoline d ...
Removing the Flat Tire andInstalling the Spare Tire
1. If your vehicle has a wheel cap that covers
the wheel nuts, position the chisel end of the
wheel wrench in the notch and pry it off.
2. Using the wheel
wrench, loosen all
the wheel nuts.
...