Moods

Hiya everyone...just joined today hoping to get a bit of help and advice for followong....got a s-type ' X ' reg...key fob with the three buttons...unlock - lock - boot open...the unlock works fine...the boot open works fine...but the lock is the bugger...it locks when pessed but then immediaitely opens again...this happens non stop...any advice will be gratefully accepted and appreciated....thanks and hiya to all....Moods