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Hot Cars, Driveways and Car Safety Habits for Families

Why children are forgotten in hot cars, habits that prevent it, backover safety, and safe habits inside the car.

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2 min read Checked against AAP and CDC guidance - Updated November 2026

TLDRThe short version, if you only have a minute

  • A car can heat about 20°F in 10 minutes; most hot-car deaths happen when a loving caregiver forgets after a routine change.
  • Look before you lock: put your phone or bag in the back seat, and ask childcare to call if your child doesn't arrive.
  • Walk around the car before moving it, keep cars locked, and all kids under 13 ride in the back. See a child alone in a hot car? Call 911.

Hot cars: why it happens

  • A car's inside temperature can rise about 20°F (11°C) in 10 minutes, even on a mild day with windows cracked. Children heat up much faster than adults.
  • Most hot-car deaths happen when a loving, capable caregiver forgets a child is in the car, usually after a change in routine: a different parent doing drop-off, a skipped stop, a new job. Memory works this way for everyone; plan for it.
  • About a quarter of cases involve children who got into an unlocked car on their own.

Habits that prevent it

  • Look before you lock: open the back door every time you park.
  • Put something you need, like your phone, bag or work badge, in the back seat.
  • Ask your childcare provider to call you if your child hasn't arrived by a set time.
  • Talk through drop-off changes out loud with partners, co-parents and grandparents.
  • Never leave a child alone in a car, even for a quick errand, with the engine running or not.
  • Lock cars at home, keep keys and fobs out of reach, and check cars and trunks first if a child goes missing.

Driveways and parking lots

  • Small children are hard to see behind or in front of a vehicle, even with cameras.
  • Walk around the car before you move it, and know where every child is. Have kids stand by the door with a hand on the car, or hold an adult's hand, during loading.
  • Don't let driveways become play areas.

Inside the car

  • All children under 13 ride in the back seat. See the car seats guide for seats and boosters.
  • Secure loose items such as bags, groceries and water bottles; they fly forward in a crash.
  • Power windows can trap fingers and necks; use the window lock.
  • Use child locks on rear doors, and never let children play in a parked car.
  • Car seats are for travel. Once you arrive, take a sleeping baby out to a flat, firm sleep space.
  • Never ride with a child on your lap, and no children in truck beds or cargo areas.
  • Rideshares and taxis: bring your child's seat.

Long trips and summer days

  • Plan stops every 2 hours or so. Kids need breaks, and so do drivers.
  • Check seat surfaces and buckles before buckling in; metal can burn skin in the sun.
  • Sunshades on side windows help, but secure them so they don't become projectiles.

When to check in

  • Ask your childcare center about its late-arrival call policy at enrollment.
  • If someone in your home is often worn out, talk together about adding reminder systems.
  • If you see a child alone in a car, especially on a warm day, call 911.

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Grounded in: NHTSA guidance on child heatstroke and backover prevention, AAP HealthyChildren guidance on hot cars and car safety, and CDC child passenger safety guidance. Summarized in Cradle's own words; none of these sources endorse Cradle. General information, not medical advice.

General information, not medical advice. If something feels wrong, trust that and call your pediatrician or provider. See Sources.

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