My mk8 does it when I lock it but it goes out after a minute or two first time I noticed it I thought I had a problem it’s something you only noticed at night.
MK 8 L4 H3 Motorsport campervan Past camper vans 1974 mk1 v4 with 2.0 pinto fitted 1986 mk3 2.5 di swb 1990 190 lwb 2.5 di 1998 100 lwb 2.5 di 2006 350 jumbo 135 tdci