See also:

Playing a CD or MP3 CD (Radio with CD and Touchscreen)
Press the TUNE/MENU knob to display the CD Menu. Shuffle: Select to play the tracks randomly rather than in sequence. Select again to stop shuffle. A checkmark indicates shuffle is on. Track List: ...

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 ...

Safety System Check
Now and then, check that the safety belt reminder light, safety belts, buckles, latch plates, retractors, and anchorages are all working properly. Look for any other loose or damaged safety belt s ...