OnStar

See also:

Maintenance Records
After the scheduled services are performed, record the date, odometer reading, who performed the service, and the type of services performed in the boxes provided. Retain all maintenance receipt ...

Tachometer
The tachometer displays the engine speed in revolutions per minute (rpm). Notice: If the engine is operated with the tachometer in the shaded warning area, the vehicle could be damaged, and the dam ...

Deleting Tracks from MEM
Individual tracks and all tracks can be deleted from MEM. To delete individual tracks, press and release the DEL button while the track is playing. To delete all tracks from MEM, press and h ...