Hi all, a few tips please, from 2007 Autotrail 634U owners. (1) Where is the switch for the two "Mains " high level corner lights in the lounge. (2) What are the two mains switches in the underbed storage area ( right hand side ) for ?? (3) How is the small tv by the rear-view mirror switched on. and (4) Where is the spare wheel stored ?? Any tips on these would be much appreciated. Regards, Simon.