They should do. Just found this written online:-
if you turn off your engine before you turn off your lights, the lights stay on for a pre-set period (40 seconds) & then automatically turn off. this is to allow you to find your way to your door in the dark. if you turn off your lights & then your engine, the lights go out straight away as normal.
if you turn off your engine before you turn off your lights, the lights stay on for a pre-set period (40 seconds) & then automatically turn off. this is to allow you to find your way to your door in the dark. if you turn off your lights & then your engine, the lights go out straight away as normal.