Has anybody got a cheap fix please? Got up this morning to a frozen windscreen so started car to warm things up only to find after 10 mins the screen was still full of frost. It seems that the flaps are stuck shut! Got the following fault codes 00710 00716 01809 01810 01842 00716 don't know were to start with this lot so any help would be good Thank's. ps I know that the code 00710 ref to the defroster motor but not sure which one this is on the side of the heater box?