1. Phone Charger

This is an obvious one! You never know when you or a friend might need one. Bonus points if you keep a different type of charger as well, like an Android charger if your friends might need it.

2. Aux Cord

You have to keep the good music playing!

3. Extra Cash

You never know when you could use it! This is a good one to have in case your card doesn't work or if you forget your wallet.

4. Blanket

You can use it to keep warm in the winter before your car warms up or in the summer if you go to a drive-in or a park.

5. A Jacket

Always good to have in case it's chilly!

6. Chapstick

These are always disappearing so keep an extra handy.

7. Lotion

This one is especially useful in the winter but can be useful whenever.

8. A Change of Clothes

You never know what might happen. You could spill something or rip your pants, just saying!

9. Bathing Suit, Towel

These are especially useful in the summer for spontaneous beach trips or if someone has a pool. Even in the winter these could be handy if someone has a hot tub.

10. Napkins, Straws

Stuff is always spilling and places sometimes forget to give you them. Bonus points for having a reusable straw!

11. Perfume, Deodorant

These could come in handy especially in the summer or before an interview or a concert.

12. Hand Sanitizer

Gotta stay clean!

13. Extra Makeup

If you wear makeup, keeping some basic things in the car could always come in handy for touch ups.