Tonight I unlocked the Tranny using the fob, as usual. Opened the passenger door, which was a bit frozen up and noticed the winkers give a flash. Came to lock it back up again and the winkers gave a single flash on the first press, but no flash on the second double-lock press.
For the past seven years, the pattern has been:- No flash on the first locking press A double flash on the double-lock second press. That's now changed and I can't see why. It still locks and unlocks fine and I think the double-locking is still working, but I can't be sure.