BMW 3: Locking the doors and windows in the rear
BMW 3 Series G20 (2018-2026) Owners Manual / Transporting children safely / Locking the doors and
windows in the rear
General information
In certain situations it may be advisable to secure the rear doors and windows, for instance when transporting children.
Doors
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Unlock or lock the safety switch on the rear doors with the integrated key.
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Child safety latch is unlocked.
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Child safety latch is locked.
The door can now be opened from the outside only.
Safety switch for the rear
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Press the button on the driver's
door.
This locks various functions so that they cannot be operated from the rear.
READ NEXT:
Start/Stop button
Concept
Pressing the Start/Stop button
switches drive-ready state on or
off.
Steptronic transmission: the
drive-ready state is switched on
when you depress the brake pedal while pressing
the Start/St
Auto Start/Stop function
Concept
The Auto Start/Stop function helps save fuel.
The system switches off the engine during a
stop, for instance in traffic congestion or at traffic
lights. Drive-ready state remains switched on.
SEE MORE:
Monitoring functions
High-voltage interlock loop
The SME control unit evaluates the signal of the high-voltage interlock loop
and checks whether there
is an open circuit with this circuit. In the event of an open circuit, the
battery management electronics
control unit can cause the high-voltage system to perform a qu
Introduction
Although the high-voltage battery unit of the G20 PHEV can also be partially
charged by energy
recovery via the electrical machine, the "normal" charging procedure takes place
when the G20 PHEV
is connected to the AC voltage network of the local power supply company. Energy
is taken fro
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