Help Needed: Key Fob only locks, Doesn't Unlock Car Doors After Battery Was Replaced.

[gclark8]

I recently had a battery replaced, check that both buttons are free and clear of the plastic moulding on the key body, as any bad alignment when re-fitting the cover may result in a key malfunction. Mine was "on" lock/unlock from new and played havoc with other wireless devices (doorbell) in the house the same frequency.