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. ...

Rear Passenger Cupholders
Pull down on the lid to access the cupholders in the rear floor console. Vehicles with the rear seat armrest may also contain cupholders. Pull down the armrest to use the cupholders. ...

StabiliTrak® System
The StabiliTrak system assists with directional control of the vehicle in difficult driving conditions. The system is on when the vehicle is started. - To turn off both Traction Control and Sta ...