Valve, Removing and Installing, Metal Valve
Run-Flat System PAX, Support Ring13-Pin« Trailer Socket
The backup lamps, »continuous current«
and charging cable can be used on the trailer with the
»13-pin« trailer socket. A
»13-pin« trailer socket is
recommended if a bicycle rack will be installed or a camper will
be towed.
  ...
Introduction
This chapter contains information on the following subjects:
→ Technical requirements
→ Fitting the removable ball coupling
→ Removing the ball coupling
→ Hitching and connecting the trailer
→ Loading the trailer
→ Towing a trailer
...
General Information
A new repair concept has been developed for repairing washer
system hoses. Various individual hose connectors, adapters,
Ethylene Propylene Diene Methylene (EPDM) rubber hoses and
shrink tubing will be offered as replacement parts.
...