Vehicle and Power Issues
OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not operate if the battery is discharged or disconnected.
See also:
Playing the Radio
PWR (Power): Press this knob to turn the system
on and off.
VOL
(Volume): Turn this knob
clockwise
or counterclockwise to increase or to decrease
the volume.
DISPL (Display): When the ig ...
Service Manuals
Service Manuals have the diagnosis
and repair information on the
engines, transmission, axle,
suspension, brakes, electrical,
steering, body, etc. ...
Door Ajar Light
For vehicles equipped with this light, it comes on when a door is open or not
securely latched. Before driving, check that all doors are properly closed. See
Door Ajar Messages for more in ...