Radio Reception

Frequency interference and static can occur during normal radio reception if items such as cellular phone chargers, vehicle convenience accessories, and external electronic devices are plugged into the accessory power outlet. If there is interference or static, unplug the item from the accessory power outlet.

See also:

Setting the Time and Date (Radio with CD and Touchscreen)
To set the time: 1. Press the CONFIG button to enter the menu options. Turn the Menuknob to scroll through the available setup features. Press the SELECT knob or press the Time screen butto ...

Window Lockout
(Window Lockout): The rear window lockout button is located on the driver’s door armrest near the window switches. Press the right side of this button to disable the rear window controls. ...

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. ...