hi have you tried disconecting the plugs on the alarm unit and reconecting again on the o1 impreza the control unit should be in silver or gold metal box tucked up behind the steering column bolted up to the 2 bolts that hold the column up. if that dont work you will need a new key pad . then its best to get a new remote you can code them in easy onyour key pad.star 17856 star 91 star 1 hash then press remote job done good luck
malc, July 2009