The radio unit in my signum completely stopped working yesterday. The radio/CD changer and tape are all affected. On the screen it just says the previous radio station that was on when it 'crashed'. The on/off/volume button will not work. Vauxhall said i may need a new unit, can anyone help and advise otherwise? i have tried holding down the AS button (as suggested in the manual) but nothing happens. Many thanks. Nicky
