Try Pressing either button on your remote 4 times while in close proximity to your car. this will re-sync your remote.
Scott
June 2011
Hello,
If your remote (if you have a remote) has lost synch with your alarm, it will need reprogramming to the car. If the car is immobilised then Tech-Tronics 0161 869 0050 will be able to help with a mailorder device to do the reprogramming for you.