See also:

Fog Lamps
Use the fog lamps for better vision in foggy or misty conditions. The fog lamps button is on the exterior lamps control to the left of the steering column. (Fog Lamps): Press the exterior lamps but ...

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. ...

Electronic Transfer Case
The transfer case knob is located next to the steering column. Use the dial to shift into and out of four-wheel drive. ...