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:
Anti-theft Alarm System Messages
THEFT ATTEMPTED
This message displays if the vehicle detects a tamper condition. ...
Compass Zone
The zone is set to zone eight. If you
do not live in zone eight or drive out
of the area, the variance needs to
be changed to the appropriate zone.
To adjust for compass variance,
use the fol ...
Adding or Changing Preset Destinations
This feature allows additions or changes one of five preset destinations. When
a destination has been added as a preset destination, it is available to select
from the Destination Entry screen. Se ...