OnStar Services

See also:

Setting Cruise Control
1. Move the cruise control switch to on. 2. Get up to the speed you want. 3. Press the set button at the end of the lever and release it. 4. Take your foot off the accelerator pedal. The accele ...

Fuel Additives
To provide cleaner air, all gasolines in the United States are now required to contain additives that help prevent engine and fuel system deposits from forming, allowing the emission control ...

Parking Brake
To set the parking brake, hold the regular brake pedal down with your foot and pull up on the parking brake lever located between the seats. If the ignition is on, the brake system warning light ...