BMW X4 Owner's Manual page 273

▷ Air distribution.
▷ AUTO program.
The program is switched off automatically if the
settings on the front passenger side are
changed.
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 window condensation, switch on the
AUTO program or the air conditioning to utilize
the condensation sensor. 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.
Online Edition for Part no. 01405A37CC6 - VI/21
Climate control
Microfilter/activated-charcoal
filter
The microfilter removes dust and pollen from the
incoming air.
The activated-charcoal filter also removes gas‐
eous pollutants from the outside air that enters
the vehicle.
Have this combined filter changed during vehicle
maintenance.
Ventilation
Principle
The air flow directions can be adjusted individu‐
ally for direct or indirect ventilation.
Setting the ventilation
General information
Open the air vents and position them to ensure
effective climate control.
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.
CONTROLS
273