OnStar Services

See also:

Vehicle Messages
Messages displayed on the DIC indicate the status of the vehicle or some action that may be needed to correct a condition. Multiple messages may display one after the other. The messages that do ...

Seat Height Adjuster
If available, move the lever up or down to manually raise or lower the seat. ...

Fixed Mast Antenna
The fixed mast antenna can withstand most car washes without being damaged. If the mast should ever become slightly bent, straighten it out by hand. If the mast is badly bent, replace it. Check ...