See also:

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 ...

Map Scales
+ / − (Zoom In/Zoom Out): Press the zoom in or out screen buttons or the scale on the bar to change the level of map detail. The scale appears on the screen once the zoom in or zoom out scre ...

How OnStar Service Works
Automatic Crash Response, Emergency Services, Crisis Assist, Stolen Vehicle Assistance, Vehicle Diagnostics, Remote Door Unlock, Roadside Assistance, Turn-by-Turn Navigation, and Hands-Free ...