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:
Radio
To select preset or favorite radio stations:
Press and release or
to go to the next or previous radio station stored as a preset or favorite. ...
Engine Coolant Heater
The engine coolant heater, if available, can help in cold weather conditions
at or below −18°C (0°F) for easier starting and better fuel economy during engine
warm-up. Plug in the coolant ...
Anti-theft Alarm System
This vehicle has an anti-theft alarm system. ...