Is it really important to know?
– Yes, the anti-skid system is not an unnecessary luxury, but rather an important system that saves lives! For example, the Driving Licence Book dedicates an entire section to this (19th Edition, page 127). There is reason to believe that the anti-skid system will soon be as common a feature as the catalytic converter.
This light looks different in my car
– You must, however, have sufficient knowledge to be able to interpret lights in different cars (for example, if you hire or borrow a car).
Lights relating to the ABS system basically always have the text “ABS” on them.