BMW 4 Series 2023 Owner's Manual page 250

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CONTROLS
Defrost function
Principle
With the defrost function, ice and condensation
are quickly removed from the windshield and
the front side windows.
General information
The air flow and air temperature are automati-
cally optimized for the removal of ice and con-
densation.
The air distribution is directed toward the
windshield and front side windows.
If there is window condensation, turn on the
automatic program to take advantage of the
condensation sensor. Make sure that air can
flow to the windshield.
When the defrost function is turned on, the rear
automatic climate control is deactivated to pro-
vide maximum performance.
Turning the defrost function on/off
Press the button.
The LED of the button is illuminated
when the system is switched on.
Rear window defroster
Principle
With the rear window defroster, ice and con-
densation are quickly removed from the rear
window.
Functional requirement
Standby or drive-ready state is switched on.
250
Climate control
Online Edition for Part no. 01405A7D166 - II/23
Turning the rear window defroster
on/off
Press the button.
The LED is illuminated with rear win-
dow defroster switched on.
The rear window defroster switches off auto-
matically after a certain period of time.
Seat heating
Principle
The system heats the seats as necessary.
General information
If the trip is continued within approx. 15 mi-
nutes after an intermediate stop, the functions
are turned on automatically with the tempera-
ture that was last set.
Turning the seat heating on/off
1.
"CLIMATE MENU" tap in the center of the
climate control bar.
2.
Seat heating.
3.
Select the desired setting.
If a consumption-optimized driving mode is se-
lected, the heater output is reduced.
Active seat ventilation
Principle
The system cools the seat and backrest sur-
faces as necessary, ensuring a pleasant seat
temperature.
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