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:
Map Adjustments
The system lets you adjust the scale of view on the map. Also, as you drive,
the map scrolls automatically based on the direction of travel. ...
Leaving the Vehicle with the Engine Running
WARNING
It can be dangerous to leave the vehicle with the engine running.
The vehicle could move suddenly if the shift lever is not fully in P (Park)
with the parking brake firmly set. And, if you ...
Auto Defog
This will allow you to turn the auto defog on or off.
Press the MENU/SELECT knob when Auto Defog is highlighted to open the menu.
Turn the knob to highlight On or Off. Press the knob to confirm th ...