He keeps a jack and spare tire in the 'trunk'.
a 'trunk' full of clothes
the 'trunk' of an artery
(..) HAPPY: Here we are. End of the line. Whoops. TONY: Can you give us a moment? - Want me to leave? TONY: Grab Peter's case out of the trunk. I can keep the suit? Yes, we were just talking about it. Do me a favor, though. Happy's kind of your point guy on this. Don't stress him out. (..)2017 Spider-Man: Homecoming