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

▷ Left LED on, automatic recirculated-air con‐
trol: a sensor detects pollutants in the out‐
side air and controls the shut-off automati‐
cally.
▷ Right LED on, recirculated-air mode: the
supply of outside air into the vehicle is per‐
manently blocked.
If the windows are fogged over, switch off the
recirculated-air mode and press the AUTO but‐
ton on the driver's side to utilize the condensa‐
tion 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, con‐
densation water, refer to page 148, develops
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*.
Online Edition for Part no. 01 40 2 606 445 - 03 11 490
The program is switched off if the settings on
the front passenger side or in the rear* are
changed.

Residual heat

The heat stored in the engine is used to heat the
interior.
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. Press the right side of the button on
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
goes out.
Switching the system on/off
Switching off
▷ Complete system:
At the lowest fan speed, press the
left side of the button on the driver's
side.
▷ On the front passenger side:
At the lowest fan speed, press the
left side of the button on the front
passenger side.
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