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Direct ventilation
The air flow is directed towards the passengers.
The air flow heats or cools noticeably, depending
on the adjusted temperature.
Indirect ventilation
The air flow is not directed towards the passen‐
gers. The vehicle interior is warmed or cooled in‐
directly, depending on the set temperature.
Front ventilation
▷
Lever for changing the air flow direction, ar‐
row 1.
▷
Thumbwheel for variable opening and closing
of the air vents, arrow 2.
Pre-ventilation
Principle
The car's interior can be cooled or heated before
driving off with the pre-ventilation. Depending on
set temperature and ambient temperature, the
car's interior is ventilated or possibly heated us‐
ing the residual engine heat.
General information
The system can be switched on and off directly
or via a preset departure time.
The activation time is determined based on the
outside temperature. The system promptly
switches on before the selected departure time.
Online Edition for Part no. 01405A38D29 - VI/21
Climate control
Functional requirements
▷
The vehicle is in idle state or standby state
and not in drive-ready state.
▷
The battery is sufficiently charged.
If pre-ventilation is switched on, the vehicle
battery will be discharged. Thus, limit the
maximum activation time to save the vehicle
battery. The system will be available again af‐
ter the engine is started or after a short trip.
▷
Make sure that the vehicle's date and time
are set correctly.
▷
Open the air vents to allow air to flow out.
Switching on/off directly
General information
There are different ways to switch the system on
or off.
The system switches off automatically after a
certain period of time. The system continues to
run for some time after being switched off.
Using the button
Functional requirement
When the vehicle is in standby state, the pre-
ventilation can be switched on or off with the au‐
tomatic climate control buttons.
Turning on
Press one of the following buttons:
▷
Temperature.
▷
Air conditioning.
▷
Maximum cooling.
▷
AUTO program.
▷
Air recirculation mode.
▷
Upper side of the air flow, manual button.
▷
Air distribution, manual.
▷
Defrosting the windshield
CONTROLS
279
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