See also:

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 ...

Call Waiting
Call waiting must be supported on the cell phone and enabled by the wireless service carrier. - Press to answer an incoming call when another call is active. The original call is placed on hold. ...

Adjustable Throttle and Brake Pedal
The vehicle has adjustable throttle and brake pedals that allow you to change their positions. The feature will not operate when the vehicle is in R (Reverse) or while using the cruise control. ...