See also:

Throttle and Brake Pedal Adjustment
If the vehicle has this feature, the position of the throttle and brake pedals can be adjusted. The switch used to adjust the pedals is located on the right side of the steering column, below the ...

Information Displays
Driver Information Center (DIC) The DIC displays information about the vehicle. It also displays warning messages if a system problem is detected. See Vehicle Messages for more information. All m ...

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 ...