So the tank weapon systems etc. are that intuitive that one can just hop in and drive away?
Estimate was about two months for Leopards to show up on the battlefield.
New training programs in Poland could get some Ukrainian soldiers ready to operate Leopard 2 Main Battle Tanks in combat in as few as six weeks, experts told Breaking Defense, although officers and maintenance specialists would take longer.
https://breakingdefense.com/2023/01/ukrainian-troops-could-fight-with-leopard-2s-by-early-spring-experts/