OnStar

See also:

Initial Drive Information
This section provides a brief overview about some of the important features that may or may not be on your specific vehicle. For more detailed information, refer to each of the features which ...

Starting the Vehicle Messages
PRESS BRAKE TO START VEHICLE This message is displayed when attempting to start the vehicle without first pressing the brake pedal. SERVICE KEYLESS START SYSTEM This message is displayed if ...

StabiliTrak® System
The vehicle has a traction control system that limits wheel spin and the StabiliTrak system that assists with directional control of the vehicle in difficult driving conditions. Both systems turn ...