Joint-free wipers are very flexible. To lift the wiper blade off the rear window, grasp it only in the area in which the wiper blade is attached to the wiper.
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Lift up wiper arm.
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Tilt wiper blade in direction of -arrow A-.
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Press unlocking button -2- and pull wiper blade on wiper blade mounting -1- in direction of -arrow B- out of wiper arm.
Installing:
Installation is carried out in reverse order of removal.