Severely Discharged Batteries
Cruise Control System, Activating and DeactivatingAGM Battery, Checking
Perform Battery Checks in the Following Sequence:
1.
Visual inspection. Refer to
→ Chapter „Visual Inspection“.
2.
Check the battery using the Battery Tester -VAS6161-. Refer
to
...
13-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: → Controls
for the air conditioning system
→ Controls for the heating and fresh air system
→ Information on the air conditioning system
→ Vents
→ Air recirculation mode
...