
Fig. 128 In the dash panel: vents
First read and observe the introductory information
and safety warnings The vents should be left open to ensure that the vehicle interior is sufficiently heated, ventilated and cooled.
, the vent is closed. Additional vents can be found in the instrument panel , in the footwells and in the rear area of the vehicle interior.

NOTICE
Information on the air conditioning system
Air recirculation modeRefrigerant Circuit with A/C Service Station, Draining
Caution
If it is suspected that chemicals were added to the
refrigerant circuit to seal leaks, do not connect the
A/C service station and do not extract the refrigerant.
...
Support Mode with Battery Charger -VAS5900
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 -VAS5900-
Operating Instructions.
...
Welding and Soldering on Refrigeration Systems
Before performing welding or soldering work on vehicles near
the air conditioning system components, extract the refrigerant
and remove the residue by flushing with compressed air and
nitrogen.
The products of refrigerant decomposition d ...