Classic Saab 9-3/GM900 (1994 - 2002)/Conv ( -2003)
desperately need some help pls, the alarm horn and siren go off on my saab 93 convertible, 2003 even when its not locked, as i open a door, boot, but only when the temperature drops to 0.degrees or below, all summer its been fine, had a cold night last week, parked the car at work at 1900,left...