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 ...

Vehicle Speed Messages
ICE POSSIBLE DRIVE WITH CARE This message displays when the outside temperature is cold enough to create icy road conditions. Adjust your driving accordingly. SPEED LIMITED TO XXX KM/H (MPH ...

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. ...