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. ...

Battery Power Protection
This feature shuts off the dome and reading lamps, if they are left on for more than 10 minutes after the ignition is turned off. The cargo lamp shuts off after 20 minutes. This prevents the battery f ...

Climate Control System (With Heater Only)
Climate Control System (With Heater Only) A. Fan Control B. Temperature Control C. Air Delivery Mode Control See Climate Control Systems (with Air Conditioning) on page 8‑1 or Climate Co ...