See also:

General information
Do not exceed the legally prescribed maximum speed for vehicle/trailer combinations in the relevant country. This lowers the risk of an accident. Only install an approved trailer coupling on y ...

Installing the ball coupling
WARNING If the vehicle/trailer combination is not secured, the trailer may come loose. As a result, you could cause an accident. Observe the ball coupling manufacturer's installation inst ...

Centrally locking and unlocking the vehicle from the inside
You can centrally lock or unlock the vehicle from the inside. The central locking/unlocking button does not lock or unlock the fuel filler flap. You cannot unlock the vehicle centrally from ...