I took my car into Audi the other day for a full check over as I have just bought the car from an indie garage. They flagged up faulty tailgate release (as in its not opening on touch), boot light not working and the left hand rear numberplate bulb not working. They said that the bulb holder would need replacing as well as the bulb. As it was just a check, they did not investigate fully the tailgate release problem but would charge £119 to just diagnose it !! So, does anyone know what could be the problem here to cause these faults and how easy is it for me sort it out myself? I wondered about the possibility of a waterleak somewhere that could be cause all three of these electrical faults.