See also:

Removing the Spare Tire and Tools
The jacking equipment you will need is stored under the rear seat on the passenger’s side of the vehicle. To release the jack from its holder, turn the knob on the jack counterclockwise to low ...

How to Add Coolant to the Radiator
1. You can remove the radiator pressure cap when the cooling system, including the radiator pressure cap and upper radiator hose, is no longer hot. Turn the pressure cap slowly counterclockwis ...

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if ...