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. ...

Dome Lamps
The dome lamp controls are located in the overhead console. To change the dome lamp settings, press the following: : Turns the lamp off, even when a door is open. : The lamp comes on auto ...

Windshield Washer
WARNING! In freezing weather, do not use the washer until the windshield is warmed. Otherwise the washer fluid can form ice on the windshield, blocking your vision. ...