162
Climate control
Manual air recirc ulation m ode
The a ir recirculation system minimises the
entry of outside air and the air in the
passenger com partment is circulated .
Press button 4 , control indica tor in
button.
The exchange of fresh air is reduced in air
recirculation mode. The quality of the
passenger com partment a ir deteriorates
which may cause the vehicle occupants to
feel drowsy. In op eration without c ooling,
the a ir humid ity increases, so the wind ow s
may mist up. Conseq uently, m anual air
recirculation should only be run for short
periods of time.
To deactivate manual air recirc ulation:
Press button 4 again. The control
indicator in the b utton exting uishes.
Air conditioning with the eng ine not
running
When the vehicle is stop ped and the
ignition is off, the heat or cooling power still
in the system can b e used to condition the
passenger compa rtm ent, for example
when stop ped at a level crossing.
Press AUTO button with the ignition off.
Resid ua l air c onditioning on will appear
briefly in the disp lay.
The air conditioning will operate for a
limited period of tim e.
If necessa ry, the auxiliary heating 3 also
automatically switches on. Observ e notes
on page 163.
To cancel air conditioning, press the A UTO
button.
Residual air conditioning on