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 ...

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 ...

Playing an MP3
While playing a CD, the navigation system is available. When you insert a CD, the CD tab displays. If a DSP setting is selected for the CD, it will be activated each time you play a CD. If you turn ...