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:
Vehicle Positioning
At times, the position of the vehicle on the map may be inaccurate due to one
or more of the following reasons:
Road system has changed.
Vehicle is driving on slippery road surfaces such as in ...
Chime Volume
This feature allows you to select the
volume level of the chime.
Press the customization button until
Chime Volume appears on the DIC
display. Press the set/reset button
once to access the se ...
Tire Sidewall Labeling
Useful information about a tire is molded into the sidewall. The example shows
a typical passenger vehicle tire sidewall.
Passenger (P-Metric) Tire
(A) Tire Size: The tire size code is a combina ...