BMW 4 Coupe Series Manual page 267

With constant air recirculation mode, the air qual‐
ity in the car's interior deteriorates and window
fogging increases.
If there is window condensation, switch off recir‐
culated-air mode or defog the windows.
Air flow, manual
Principle
The air flow for climate control can be adjusted
manually.
Adjusting the air flow manually
Press the lower or upper side of the
button: decrease or increase air flow.
The selected air flow is shown on the climate
control display.
The air flow may be reduced automatically to
save battery power.
Manual air distribution
Principle
The air distribution for climate control can be ad‐
justed manually.
Adjusting the air distribution
manually
Press the button repeatedly. Select the
desired setting:
▷ Windows, upper body region, and floor area.
▷ Upper body region and floor area.
▷ Floor area.
▷ Windows and floor area.
▷ Windows.
▷ Windows and upper body.
▷ Upper body region.
The selected air distribution is shown on the cli‐
mate control display.
Online Edition for Part no. 01405A392C9 - VI/21
Climate control
Defrost function
Principle
Ice and condensation are quickly removed from
the windshield and the front side windows.
Switching the Defrost function
on/off
Press the button.
The LED of the button is illuminated
when the system is switched on.
The air flow can be adjusted manually with the
system switched on.
If there is any window condensation, switch on
the air conditioning. Make sure that air can flow
to the windshield.
Rear window defroster
Principle
Ice and condensation are removed from the rear
window quickly.
Functional requirement
The function is operational when the drive-ready
state is switched on.
Switching rear window defroster
on/off
Press the button. The LED is illumi‐
nated with rear window defroster
switched on.
The rear window defroster switches off automat‐
ically after a certain period of time.
Microfilter
The microfilter removes dust and pollen from the
incoming air.
Have this filter changed during vehicle mainte‐
nance.
CONTROLS
267