Electric tailgate retrofit kit for Audi Q7 4L Automatic tailgate opening using the original radio remote control In some cases, the comfort control must be replaced. Control units with the following index are suitable and a replacement is not necessary: ​​Part number Index: F, H The control unit is mounted on the right side in the trunk under the base plate. The control unit is part of the delivery - please check the accessories Scope of delivery: Wiring Closing device Drive Buffer Push button