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:
If a Tire Goes Flat
It is unusual for a tire to blow out while driving, especially if the tires are
maintained properly. See Tires . If air goes out of a tire, it is much
more likely to leak out slowly. But if ...
When the System Does Not Seem to Work Properly
The following messages may be displayed on the DIC:
SERVICE PARKING ASSIST:
If this message occurs, take the vehicle to your dealer to repair the system.
PARK ASSIST OFF: If the UFRPA system ...
ROTATE CONTROL TO
OFF POSITION
If the vehicle has the keyless
access system, this message
displays when the ignition is in
ACC/ACCESSORY and the shift
lever has just been moved to
P (Park). The message displays as
a rem ...






