BMW M4 COUPE Owner's Handbook Manual page 177

Defrosting windows and removing
condensation
Principle
Ice and condensation are quickly removed
from the windscreen and the front side win‐
dows.
Switching on/off
Press the button.
The LED is illuminated when the sys‐
tem is switched on.
To do this, point the side nozzles at the side
windows if necessary.
The air flow can be adapted when the pro‐
gramme is active.
If there is condensation on the window, switch
on the cooling function as well or press the
AUTO button to use the condensation sensor.
Rear window heating
Press the button. The LED is illumina‐
ted.
The rear window heating is switched off auto‐
matically after a certain period of time.
Microfilter/activated carbon filter
In outside and recirculated-air mode, the mi‐
crofilter/activated carbon filter filters dust, pol‐
len and harmful gases from the air.
Have this filter replaced during maintenance,
see page 229, of the vehicle.
Online Edition for Part no. 01402981699 - VI/17
Air conditioning
Ventilation
Ventilation at front
▷ Lever for changing the air flow direction,
arrows 1.
▷ Knurled wheels to open and close the air
outlets steplessly, arrow 2.
▷ Knurled wheel for varying ventilation tem‐
perature in upper body area, arrow 3.
Towards blue: cooler.
Towards red: warmer.
The set interior temperature for driver and
front seat passenger is not changed by
this.
Adjusting
▷ Ventilation for cooling:
Adjust the side nozzles so that air is direc‐
ted towards you, for example if the vehi‐
cle's interior has become hot.
▷ Draught-free ventilation:
Adjust the side nozzles so that the air flows
past you.
Controls
177