In as little as 10 minutes, how much can the inside of a parked car heat up?

About 20 degrees.

Start playing free

  1. About 5 degrees
  2. About 20 degrees ✔
  3. About 2 degrees

Why: A parked car heats very quickly, even on mild days. Never leave a child alone in a car. Check the back seat and lock up: Stop. Look. Lock.

Huh, didn't know that: If you see a child alone in a hot car, call 911.

The dad joke
Someone complimented me on my driving the other day. They left a note on the windscreen: Parking Fine!
Like this card?
Play the game

References

Answer: About 20 degrees. A parked car heats very quickly, even on mild days. Never leave a child alone in a car. Check the back seat and lock up: Stop. Look. Lock.

  1. NHTSA: Stop. Look. Lock. www.nhtsa.gov/press-releases/nhtsa-help-prevent-child-heatstroke-and-stop-look-lock
    temperatures rising 20 degrees in as little as 10 minutes.
    Checked 2026-10-10.

Think this answer is wrong? Tap "Challenge this answer" on the card in the game and tell us why.

Test yourself in the game