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. ...

Gate Operator and Canadian Programming
If you have questions or need help programming the Universal Remote system, call 1-800-355-3515 or go to www.homelink.com. Canadian radio-frequency laws require transmitter signals to time out or ...

Objects Detected by Both the Front and Rear Sensors
In general, if objects are detected at the same time near both the front and rear bumpers while backing up, the beeps only sound to indicate that objects are close to the rear bumper. However, if ...