Rear Window Defroster; Residual Heat - BMW 535i Owner's Manual

If the windows are fogged over, switch off
the recirculated-air mode and press the
AUTO button on the driver's side to utilize
the condensation sensor. Make sure that air
can flow onto the windshield.
Continuous recirculated-air mode
The recirculated-air mode should not be
used for an extended period of time, as the air
quality inside the vehicle deteriorates steadily.◀
Cooling function
The passenger compartment can only be
cooled with the engine running.
Press the button.
The air is cooled and dehumidified and
– depending on the temperature setting –
warmed again.
Depending on the weather, the windshield may
fog up briefly when the engine is started.
The cooling function is switched on automati‐
cally with the AUTO program.
When using the automatic climate control,
densation water, refer to page 148,
that exits underneath the vehicle.

Rear window defroster

Press the button.
The rear window defroster switches off
automatically after a certain period of time.
All program
Press the button.
The current settings on the driver's side
for temperature, air volume, air distribution, and
AUTO program are transferred to the front pas‐
senger side and to the left and right rear*.
The program is switched off if the settings on
the front passenger side and in the rear* are
changed.

Residual heat

The heat stored in the engine is used to heat the
interior.
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Functional requirement
▷ Up to 20 minutes after the engine has been
switched off.
▷ Warm engine.
▷ The battery is sufficiently charged.
▷ External temperature below 77 ℉/25 ℃.
Switching on
1. Switch off the ignition.
2.
the driver's side.
is shown on the display of the automatic cli‐
mate control.
The interior temperature, air volume and air dis‐
tribution can be adjusted with the ignition
switched on.
Switching off
At the lowest fan speed, press the left side of the
button on the driver's side.
on the display of the automatic climate control
con‐
goes out.
develops
Switching the system on/off
Switching off
▷ Complete system:
side.
▷ On the front passenger side:
passenger side.
Switching on
Press any button.
Microfilter/activated-charcoal filter
The microfilter removes dust and pollen from
the incoming air.
Press the right side of the button on
At the lowest fan speed, press the
left side of the button on the driver's
At the lowest fan speed, press the
left side of the button on the front