See also:

DIC Buttons
A. SET/CLR (Set/Clear): Use this button to set or clear the menu item when it is displayed. B. (Thumbwheel): Use the thumbwheel to scroll through the items in each menu. A small marker wil ...

Door Locks
WARNING Unlocked doors can be dangerous. - Passengers, especially children, can easily open the doors and fall out of a moving vehicle. The chance of being thrown out of the vehicle in a crash is ...

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the v ...