the functionality makes sense....but are you saying the light is supposed to be on all the time if someone is not in the passenger seat? Like if you're driving alone at night, that light should be on from the time you start the car until you pull back in the driveway?
2013 X3 28i
1997 Merc C280 Sport
Retired: 2005 X5 4.4i ... 2002 540i ... 1999 M3 ... 1997 328i ... 1988 535i