1. Deck of cards
    You'd be surprised how many times this has solved boredom.
  2. Phone charger
  3. Mini bottle of cologne
    Sometimes there's not enough time to clean up and a girl is in the picture. Can't be stinky
  4. Napkins
    I do not like spilling on my clothes nor on my seats and interior.
  5. Blanket
    You go away for a weekend and end up getting a couch or the floor to sleep. Gotta be prepared.
  6. Sunglasses
  7. Work ID
    Only goes two places in the world. Work and my car. I get paranoid I'd forget it at home.
  8. Spare contacts
    Many times have come in handy.
  9. $20
    For emergencies.
  10. Sock monkey
    It was gift from my sister and mother when I turned 16 and got my first car. It's been transferred into my new one.
  11. Honorable mention: Catch Phrase
    This was always in my old car, for those road trip scenarios.