The car has been sitting for a couple of weeks, disarmed the alarm (Sigma remote unit, with single button possible 3g.ews), no noise from the siren. Engine started fine, drove 20 miles down the road, parked up and the alarm wouldnt activate with the remote. Engine immobilser switched in and had to have the car towed home
Key fob lights up. took out battery and recharged but still no luck in anything. Been reading about a backup battery in the siren..could this cut out the alarm system or does it just do the siren?
Any feedback would be most welcome as I can't use the car at all except as a shed! Been raining heavily for a couple of months..could be damp??