134 Climate control
Picture no: 18224s.tif
Manual air recirculation mode
The air recirculation system prevents the
entry of outside air and the air in the
passenger compartment is circulated.
Operated with the 4 button.
To deactivate manual air recirculation:
Press button 4 again. The control
indicator in the button will go out.
Auxiliary heater
Depending on outside temperature and
engine temperature, the passenger
compartment of vehicles with Quickheat 3
electric auxiliary heating is warmed up
more quickly.
Diesel-engined vehicles have a fuel-
powered auxiliary heater 3.
9 Warning
The exchange of fresh air is reduced in
air circulation mode. The quality of the
passenger compartment air deterio-
rates which may cause the vehicle occu-
pants to feel drowsy. In operation
without cooling the air humidity
increases, so the windows may mist up.
Consequently, the air circulation system
should only be run for short periods of
time.
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