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. ...

Hill and Mountain Roads
Driving on steep hills or mountains is different from driving in flat or rolling terrain. If you drive regularly in steep country, or if you are planning to visit there, here are some tips that ...

DVD Distortion
There may be an experience with audio distortion in the wireless headphones when operating cellular phones, scanners, CB radios, Global Positioning Systems (GPS)*, two-way radios, mobile fax, or w ...