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:
Fuel Economy Light
This light should come on briefly as the vehicle is started. If it does not
come on, have the vehicle serviced by your dealer.
For vehicles with the fuel economy mode light, it comes on when t ...
Playing an MP3/WMA Disc
CD/DVD players with the MP3
feature are capable of playing an
MP3/WMA on DVD+/−R, CD−R,
or CD−RW discs. For more
information, see MP3. ...
Dolly Towing
(All-Wheel-Drive Vehicles)
Notice: Towing an all-wheel-drive
vehicle with all four wheels on the
ground, or even with only two of
its wheels on the ground, will
damage drivetrain components.
Do not tow an all-wheel-d ...






