FM
FM signals only reach about 16 to 65 km (10 to 40 mi). Although the radio has a built-in electronic circuit that automatically works to reduce interference, some static can occur, especially around tall buildings or hills, causing the sound to fade in and out.
See also:
Remote Vehicle Start
The vehicle may have this feature that allows you to start the engine from outside
the vehicle.
(Remote Vehicle Start): This button
will be on the RKE transmitter if the vehicle has remote start ...
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. ...
Sunroof
Sunroof
On vehicles with a sunroof, the
switch is located on the overhead
console.
The sunroof only operates when the ignition is in ON/RUN or ACC/ACCESSORY, or
in Retained Accessory Power ( ...