Audi A6 A7 Control Unit Lane Change Assist Module Adaptive Cruise 4H0907107H. This is a Audi A6 A7 Control Unit Lane Change Assist Module Adaptive Cruise 4H0907107H. The item is used however it is in good condition, as seen in pictures and works as intended. Please check the part numbers to ensure that it is compatible with your car. Our address is Unit 1 carringtons drove north, crowland, PE6 0GA.