MMi Need to change the language

Hi I hope someone can help? I have a 2003 (53) A8l 4.2 Quattro which I bought in March, the language and settings in the car keep going back to German each time I stat her up, also if you use the heater controls it say's you are the passenger and visa versa, its almost telling me the car is a left hooker however it was bought from Lancaster Audi in 03.
Can someone point me in the right direction, oh I have done a reset on the MMi system as stated in the handbook.
Cheers
Stevie G