See also:

How OnStar® Service Works
In order to provide you with OnStar® services, your vehicle’s OnStar® system has the capability of recording and transmitting vehicle information. This information is automatically sent to an ...

Tire Pressure Light
For vehicles with the Tire Pressure Monitor System (TPMS), this light comes on briefly when the engine is started. It provides information about tire pressures and the TPMS. When the Light Is On St ...

Steering in Emergencies
There are times when steering can be more effective than braking. For example, you come over a hill and find a truck stopped in the lane, or a child darts out from between parked cars and stops ri ...