Cellular and GPS Antennas
Avoid placing items over or near the antenna to prevent blocking cellular and GPS signal reception.
Cellular reception is required for OnStar to send remote signals to the vehicle.
See also:
Recommended Fluids, Lubricants, and Parts
Recommended Fluids and Lubricants
Maintenance Replacement Parts
Replacement parts identified below by name, part number, or specification can
be obtained from your dealer.
...
Doing Your Own Service Work
If the vehicle is a hybrid, see the hybrid supplement for more information.
WARNING
It can be dangerous to work on your vehicle if you do not have the proper knowledge,
service manual, tools, ...
Control Buttons
The knobs and buttons used to
control the radio are:
FM/AM: Press to choose between
FM and AM.
TUNE/TONE: Turn to search for
stations.Press to enter the
Tone menu.
MENU/SELECT: Turn clockwi ...