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. ...

Steering Wheel Adjustment
Push the control up or down to tilt the steering wheel up or down. To set the memory position, see Vehicle Personalization  . ...

Radio Data System (RDS)
The audio system has a Radio Data System (RDS) feature. RDS is available for use only on FM stations that broadcast RDS information. This system relies upon receiving specific information fr ...