You’re looking at a repair manual, which would be expected to describe operation and function in detail. These are available for all cars if you know who to ask

You’re looking at a repair manual, which would be expected to describe operation and function in detail. These are available for all cars if you know who to ask. I recall looking through owner’s manual for a domestic VAZ 2101. It was standard stuff, but certainly didn’t go into detail about knolling your car.