Starting the Engine

Place the transmission in the proper gear.

If the vehicle has the keyless access system, the keyless access transmitter must be authenticated in order for the ignition control knob to turn. The transmitter can be authenticated either by putting your foot on the brake pedal or by pushing the ignition control knob in.

See also:

Security
OnStar provides services like Stolen Vehicle Assistance, Remote Ignition Block, and Roadside Assistance, if the vehicle is equipped with these services. OnStar can unlock the vehicle doors r ...

Express Window Anti-Pinch Override
WARNING! If express override is activated, the window will not reverse automatically. You or others could be injured and the window could be damaged. Before you use express override, make s ...

Retrieve My Number
1. Push . System responds: “OnStar ready.”. 2. Say “My Number.” System responds: “Your OnStar Hands-Free Calling number is.” ...