2014 Audi A7 Steering problems

Driving on the freeway and all of a sudden steering wheel stops working gets so stiff the electrical steering wheel colum componet stops working.Just about crashed. Thank goodness no one in freeway. Tps lights goes on. Payed all the diagnoises and says weeks to order the part. Says don't drive. Red warning light. Did 3 diagnosis and its the cpu componet that controls the dashboard and flip screen rear tail that should raise at 75 I believe you have to click the button to activate if the car lets you. No screen on...

The vehicle collapsed while using the vehicle jack to raise the car to remove the front driver's side wheel. The jack was inserted into the plastic jack saddle located in the driver's side rocker panel. The vehicle was raised approximately 4 inches, the wheel was removed, and the jack saddle broke and dislodged from the vehicle causing the vehicle to suddenly and abruptly fall to the ground. The driver's side rocker panel, front fender, door, and front stabilizers were damaged. Additionally, I could have been...