See also:

General failure indication
The warning light on the dial comes on when a failure is detected. ...

Limited range
Messages will be shown on the display when range falls below 50 km. ...

Cellular phone set-up
The system set-up, combined with radio consists of: ❒ dual-purpose aerial (sound system + cellular phone 900/1800 MHz), on the car roof; ❒ dual-purpose connection wires and ten-pin c ...