I took two years of French, way back in 81-82 and I slept in a Holiday Inn Express Wednesday, so hold my beer.
In any case, there is a large groove that prohibits any movement of the steering wheel on the column on cars equipped with steering gears. To center the steering wheel, you have to act on the tie rods equally, if you shorten one by 2 turns, you will have to lengthen the other by 2 turns.
Anyway, there is a large groove that prohibits any movement of the steering wheel on the column on cars with a steering box. To center the steering wheel you have to act on the tie rods, if you shorten one of the 2 turns, you will have to lengthen the other by 2 turns.