i had the same problem with mine also but it was more intermitten...i had to check my door before i walked away to make sure it locked...pita....i do have a clifford sst remote for sale if its the same kind...i have listed under the classified...
http://www.elcovaforums.com/forums/s...ad.php?t=35436 i dont know if its the same one you have but it works up to a mile.