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:
Auto Fan Speed
This will allow you to select the automatic fan speed. This feature sets the
climate control fan speed to maintain the interior temperature.
Press the MENU/SELECT knob when Auto Fan Speed is highl ...
How the System Works
The SBZA symbol lights up in the side mirrors when the system detects a vehicle
in the side blind zone, indicating it may be unsafe to change lanes. Before making
a lane change, check the SBZA dis ...
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 ...