See also:

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. ...

DIC Compass
The vehicle may have a compass in the Driver Information Center (DIC). See Compass for information. ...

Entry/Exit Recall
If the vehicle has this feature, it allows you to select your preferred automatic recall of stored memory and exit positions. See Memory Seats for more information. Press the customization ...