After explaining how steam engines worked and thus how the carriage worked, the Professor disappeared behind the chassis, rummaging with something on the shelves that the group couldn't see. After a few clanks, cranks, clunks, and then a loud boom, the pumps chugged to life.
The Professor emerged and climbed into the cockpit, motioning everyone to get out of the way. Fiddling with knobs and switches, he put it into gear, and the carriage lurched out into the open. Applying the brakes, he got out and limped off to get his bags.
"Now, now, now, I had n-never learned how to drive this as my master, my master was... unable to teach me in time. But, but, but, I can show you, I can show you the controls."