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:
Dome Lamps
The dome lamp controls are located in the overhead console.
(Dome Lamp Override): Press to turn
the lamps off, even when a door is open.
(Door): Press to turn the lamps
on automatically when ...
Under the Hood
In all but the Ultra models, a standard 185-hp, 3.4-liter V-6 teams with a
four-speed-automatic transmission. The Rendezvous Ultra gets a 245-hp, 3.6-liter
V-6; this engine is optional in the CXL. ...
Storing an XM Channel as a Favorite
Channels from all bands can be stored in any order in the favorite pages.
Up to six channels can be stored in each favorite page and the number of available
favorite pages can be set.
Storing a Ch ...