First read and observe the introductory information
and safety warnings

WARNING
Fitting the removable ball coupling
Hitching and connecting the trailerVolkswagen Touran Service Manual. Support Mode with Battery Charger -VAS5095A-
General Information
The support mode provides the vehicle electrical system with
voltage when the battery is removed or disconnected.
For more information. Refer to Battery Charger -VAS5095A-
Operating Instructions.
...
Volkswagen Touran Service Manual. Cigarette Lighter Socket, Removing and Installing
Special tools and workshop equipment
required
Cigarette Lighter Release Tool -T40148-
Note
The removal and installation for all sockets is performed in
the same way and is only described for the ciga ...