Having my first issue with my Q7 and the dealer here in Calgary, CAN is giving me the runaround. When the car is in neutral or park and I step on the brake to engage the shifter, I am getting a significant knock that can be heard and felt through the entire shifter. It is obviously the mechanism that releases the lock on the shifter but the guys at the dealer are trying to tell me it is normal and they refuse to do anything. It started last weekend. So, my question is, do any of you have this issue in your car? The noise occurs with every slight or normal touch of the brake pedal. No issue once the car is in Drive. Any input is appreciated.