509
Controls in detail
Automatic climate control
Residual engine heat and ventilation
With the engine switched off, it is possible
to continue to heat or ventilate the interior.
This feature makes use of the residual heat
produced by the engine.
Activating
왘 Switch off the ignition (컄 page 370).
왘 Press button T (컄 page 501) up or
down.
The indicator lamp on the button
comes on.
Deactivating
왘 Press button T (컄 page 501) up or
down.
The indicator lamp on the button goes
out.
Rear passenger compartment climate
control*
i
If you switch on the residual heat function
when outside temperatures are high, only the
ventilation will be switched on.
i
Regardless of the selected air volume, the
blower operates at low speed when heating. In
case of ventilation the blower operates at higher
speed.
i
How long the system will provide heating de-
pends on
앫 the coolant temperature
앫 the temperature set by the operator
i
The residual heat is automatically turned off:
앫 when the ignition is switched on
앫 after approximately 30 minutes
앫 if the battery voltage drops
앫 if the coolant temperature is too low
Warning! G
Follow the recommended settings for heat-
ing and cooling as given in the instructions
for the front climate control (
컄 page 501).
Otherwise the windows could fog up, impair-
ing visibility for the driver and endangering
you and others.
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