OnStar

See also:

Control Buttons
The knobs and buttons used to control the CD/DVD player are: CD/AUX (CD/Auxiliary): Press to switch between CD/DVD, auxiliary input, and USB devices. or : Press to select tracks. TUNE/TON ...

Hill Start Assist (HSA)
Non-hybrid vehicles with StabiliTrak have a Hill Start Assist (HSA) feature, which may be useful when the vehicle is stopped on a grade. This feature is designed to prevent the vehicle from rollin ...

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 ...