OnStar

See also:

Manual Mode
Driver Shift Control (DSC) or Tap Shift Notice: Driving with the engine at a high rpm without upshifting while using Driver Shift Control (DSC), could damage the vehicle. Always upshift when ...

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 ...

Additional Maintenance and Care
Your vehicle is an important investment and caring for it properly may help to avoid future costly repairs. To maintain vehicle performance, additional maintenance services may be required ...