He keeps a jack and spare tire in the 'trunk'.
a 'trunk' full of clothes
the 'trunk' of an artery
(..) We can't just dump him on the street. I know a place upstate. They will never find him. More tablecloths. I didn't want to get blood on your floor. Henry, go open your trunk. We will get a shovel at my mother's house. She has a shovel somewhere. Quiet, I don't want to wake her. (..)1990 Goodfellas