2007 Audi A6 Q&A

2007 Audi A6 Question: it started with the front passenger not opening

then you could have the boot open and not open any doors, last resort not would open not even with the key. Audi told us we need to new door locks and diagnostic costing 804.00. Will it resolve the problem they are not sure. a6 30 thousand on the clock 5 years old not used very often???? -
Answer 1
PLEASE REASK QUESTION SO WE CAN UNDERSTAND -
Answer 2
maybe the washington winters are too harsh for your A6 -