Switch for the original swivel trailer hitch (trailer coupling) suitable for the following vehicles: Audi A3 8V Audi A4 8W ** Audi A5 F5 ** Audi A6 4A ** Audi A7 4K ** Audi Q3 F3 Scope of delivery: cover button Note: The switch must be installed with the workshop equipment on the side trim of the trunk. Additional hardware components are required (e.g. trailer hitch, cable set, control unit, etc.)# **Currently, retrofitting of vehicles from model year 2024 is not possible