Hi all, My car is a 2006 A4 Cabrio and I have an electrical fault and would like some assistance if possible, I have trolled the forums covering similar faults and I have done some investigations, what happened is the battery went flat for no apparent reason and when I started it again the following faults appeared:- 1, the boot would not open using the remote control (the doors work fine) 2, the roof will not actuate (Open or Close) 3, the battery drains after approx. 24hrs. (If I drive