My central locking works off the interior switch, so I bought a plipper and matched receiver off mike. Plugged in receiver - and all was working off the remote, tried it about 10 times, all fine. Monday I took my car for mot and went to lock it on remote - nothing. Its stopped working, batteries where abit low so put in 2 new ones, still doesn't work. Works off the interior switch though.
Iv checked it hasn't come unplugged, led on remote lights up. Anyone got any info? Can these just go out of sync?