After this inconvenience, I had to make a slight cut in the garage door (4 cm wide and 1.2 cm high approximately) when maneuvering
Finally, we get a really sturdy closure that inspires confidence.
I remind all Amazonian that insurance does NOT provide the contents of a box (in the basement or not) if there is no adjoining door to the main house. So: ok for a garage attached to a house but never a separate garage ...
ps: I said that in the manual (in English), it is stated that both ankles enough. No need to drill the first hole to the plate