S. Installation as .pdf with pictures Case 1 : When changing from summer to winter tires I used “unfortunately” a usual hydraulic jack. The recording block tilted out of the bracket and the car fell completely without wheel on the road. Schweller torn, door pressed by jack head from below ….. “personal bad luck …” Case 2: return now from winter – on summer wheels. I thought that I would have learned by case 1 . . . far missing. If you had the standard Carlifter has correctly brought into the plastic block photo and has to drive the car very high, can form through the then no longer central position of the carlifter under the Fzg photo cross forces. This cross load can then at least a hold of the plastic photo can be aborted. After dropping the A7 and removing the carlifter the plastic block simply falls out on the ground — great…. You picture-docu in the appendix as .pdf