Audi A6 Avant 2005 Service Training page 33

Saving the limit position of the tailgate
If the tailgate was stopped in an intermediate
position, this position can be saved as a future end
position. To do this, the "close" button on the
tailgate must be pressed for at least 5 s. Please note
that this function is only available as of a minimum
opening angle of 45 degrees.
Automatic closing
For safety reasons, automatic closing can only be initiated with the tailgate "close" button or with the tailgate
handle. Automatic closing can also be interrupted by repeating either operation.
Pressing the "close" button or the tailgate handle again would, however, not continue the closing cycle, but
would initiate an opening cycle.
The magnetic coupling
The torque generated by the electric motor to open
and close the tailgate is transmitted via a magnetic
coupling. The magnetic coupling consists of a
permanent magnet and a solenoid. When the
tailgate is opening, the magnetic effect of the
permanent magnet is intensified by the solenoid so
that a sufficiently high torque can be transmitted
from the electric motor.
The permanent magnet alone can hold the tailgate
in an open position against its weight and against
the pressure of the gas-filled spring. When the
tailgate is opened or closed manually, the solenoid
produces a magnetic field which neutralises the
magnetic effect of the permanent magnet.
The magnetic coupling is open and the tailgate can
move freely.
"Close" button in the tailgate
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with respect to the correctness of information in this document. Copyright by AUDI AG.
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