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177Automatic climate control
Technical
data
Instruments
and controls
Operation Driving
Instrument
cluster display
Practical hints Car care Index
The function switches off automatically:
• if the electronic key in starter switch is turned to
position 2,
• after approximately 30 minutes (if residual engine
heat utilization is selected on the optional rear air
conditioner: after approximately 15 minutes),
• if the battery voltage drops.
Note:
The battery symbol # will appear in the automatic
climate control display some time before the residual
engine heat utilization is switched off if the battery
voltage drops.
Switching the automatic climate control on and off
To switch off:
Press button M. The display shows “0”.
The fresh air supply to the vehicle interior is shut off.
While driving, use this setting only temporarily,
otherwise the windshield could fog up.
To switch on:
• press button M or P,
• press one of the U buttons so that it pops out and
then click it back in,
• press one of the temperature selector buttons or the
air volume switch.