If you’re lucky, you’re only smearing that sweet, sweet goodness on leather, but you’ll still have to really work to get it out of crevices. Drop an M&M, though, and the sneaky little bastard will scamper off, hide so far beneath the seat you can’t even get it with a vacuum cleaner, and take up permanent residency in your car. That's how you get ants.
Ever taken a turn too quickly on the way home from the liquor store and heard a CLANK! sound in the trunk as two bottles collided? If a bottle broke, the smell of alcohol’s there to stay, which’ll be fun to explain the next time you’re pulled over.