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E90 General Vehicle Electrical
Convenient Opening and Closing
Convenient opening or closing can be performed with the remote control/ID transmitter
via the door lock in the driver's door or the outer driver's/ passenger's door handle.
Convenient Opening with Remote Control
The convenient opening function is initiated by unlocking the vehicle with the remote
control and keeping the button pressed for longer than 5 s.
Initially, the front windows are opened, followed after a short time delay by the rear win-
dows and the slide/tilt sunroof. If the fold in/out outside mirrors are optionally installed and
the mirrors are folded in, the mirrors will be folded out at the same time the rear windows
are opened.
The signal from the remote control is made available to the CAS2 via the remote control
receiver.
The CAS2 issues the enable to operate the power windows and initiates the convenient
opening function. The footwell module and the Junction Box Electronics Control Module
correspondingly activate the power window motors.
Convenient Closing with Remote Control
The convenient closing function is initiated after locking the vehicle with the remote con-
trol and keeping the button pressed for longer than 5 s. Initially, the slide/tilt sunroof is
closed followed with a short time delay by the rear/front windows.
If the folding outside mirrors option is installed, the mirrors are folded in simultaneously as
the rear windows are closed.
Convenient Opening and Closing via the Driver's Door Lock Barrel
There are two Hall sensors installed in the door lock for the purpose of opening and clos-
ing the vehicle. The Hall sensors enable the FRM to detect the position of the mechani-
cal key or of the spare key in the lock barrel.
The key must be turned to the open or close position to initiate the convenient opening
and closing function. The convenient opening or closing function is initiated when the
key is held in this position.
The FRM sends the request via the K-CAN. On conclusion of the corresponding check,
the CAS2 initiates the convenient opening or closing procedure.
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