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Eos window controllers need to have a basic settings procedure carried out once (when the controller is first installed) and - if they are like every other VW on the planet - anytime battery power is lost. The basic settings procedure for Eos window controllers is quite complex and entirely unique to the Eos - this procedure does not apply to any other VW model. Here are the steps to take to conduct a 'basic settings', or calibration of the Eos pinch protection system.

1) Start the engine and leave it running. This is important, because the procedure must be carried out with the normal power levels (voltage and amperage) that are present when the car is running.

2) Open the door and keep it open for the entire procedure.

3) Close the latch in the door. This fools the door into thinking that it is closed, even though it is open. Don't use your finger to do this unless you have spare fingers handy - use a trim tool.

4) Lower the window fully.

5) Raise the window, but block it with your hand as it raises. The window should reverse direction (lower).

6) Within 5 seconds of the above, raise the window again, and block it with your hand again. The window should simply stop this time.

7) Within 5 seconds of step 6, raise the window again, but this time don't interfere with it at all. It will raise - without any pinch protection being active - all the way up to the mechanical stop at the upper extension point of the window.

Within 5 seconds of step 7, hold the window switch (presumably in the up position, the repair is not specific about this) for a full 5 seconds. This causes the window motor to take note of exactly where the 'full up' position of the window is.

9) Open the latch in the door lock (the latch that you closed before). Presumably this is done by operating the door handle. The window will lower a 'short lift'.

10) Now close the door (normally close the door, don't fool it), and the window will rise up to the closed position. The work is now complete.

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There can be four possible outcomes if you have carried out the above procedure properly.

a) The door window moves upwards so that the markings stenciled onto the glass of the window (markings shown at points 4 and 5 in the very first illustration at the top of this thread) run into the door seal (roof seal) as they should. If this happens, break out the champagne, everything is working as it should work.

b) The window does not raise up high enough so that the two markings are in the correct place. If this happens, a mechanical adjustment of the window mechanism (window regulator) inside the door is required. Call your friendly VW dealer to book a service appointment, and don't plan on driving through any high pressure tunnel car washes until you get the window adjusted.

c) The window goes up too far, in other words, the lower of the two markings disappears into the roof seal... but, the window stays closed. This is not good news, the window mechanism in the door needs to be adjusted, same as in b) above.

d) The window goes up too far, then reverses direction and comes back down. Same solution as b) and c) - the window mechanism in the door needs to be adjusted. But, in this particular case, you will have to carry out the 'basic settings' (items 1 to 10) all over again after the window mechanism is adjusted. The key issue is this: If the window reverses, then you need to both adjust the mechanism in the door, and do the basic settings all over again. If it doesn't reverse (as in outcome c, above), you just need to do the adjustment of the window mechanism inside the door.