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:
Rear Seat Entertainment (RSE) System
The vehicle may have a DVD Rear Seat Entertainment (RSE) system. The RSE system
works with the vehicle's infotainment system. The DVD player is part of the front
radio. The RSE system includes ...
Global Positioning System (GPS)
○ Obstruction of the GPS can occur in a large city with tall buildings; in parking
garages; around airports; in tunnels, underpasses, or parking garages; or in an
area with very dense trees. ...
Roof Rack System
The roof rack cross rails can be locked in four positions along the roof rack
side rails. Lift the lever to release and move the cross rail. Push the lever down
to completely engage into the side ...





