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:
If the Off Indicator is Lit for an Adult-Size Occupant
If a person of adult size is sitting in the right front passenger seat, but the
off indicator is lit, it could be because that person is not sitting properly in
the seat. If this happens, use th ...
Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will
check the engine, transmission, antilock brakes, and major vehicle systems.
It also checks the tire pressures, if the v ...
Auxiliary Devices (Radio with CD/DVD and MEM)
The optional AUX input allows portable devices to be connected using the
3.5mm (1/8 in) input jack or the USB port.
Portable devices are controlled by using the menu system described in
Operation ...