"Huh." Ratchet looks around and takes an extra step back from the table at which he was working, holding a finger up in a wait-one-moment gesture.

"Like this," he says, then folds down carefully in a blur of folding plating and shifting actuators. When he's done, a car is idling in front of Lúcio, and he revs his engine lazily. "All--well, most--Cybertronians have a root mode and an alt mode. Mine's an ambulance. Goes with the medic thing."