Mine occasionally honks. Not sure about that. It's all about how many times the lights flash. Put your alarm on (lock doors with remote) then reach in and try to touch the stereo or open a door from the inside.
'04 Boxster S 50 Jarhe 550 Spyder Special Edition 851 of 1953 made, 3.2L, 6-speed manual short-throw
'Cause you know the Germans make good stuff!!