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Tests Show Parked Cars Can Reach Life‑Threatening Heat in Minutes

New measurements show rapid cabin heating creates immediate danger for children and pets, prompting official guidance on rescue and prevention.

Overview

  • ADAC tests reported on May 22 found interior temperatures climbed above 50°C within 30 minutes and reached about 59°C after 90 minutes even when outside air was under 30°C.
  • Experts warn that small children and pets face absolute life‑threat from the greenhouse effect through glass and that surfaces like steering wheels and child seats can exceed burn temperatures.
  • If a vulnerable person or animal is found in a hot car, bystanders should first try to contact the driver and call emergency services if the condition worsens and only break a window in an acute life‑threat situation.
  • Rescuers who break glass should document the scene, get witnesses and inform authorities because the damage can be justified legally only if the emergency is provable.
  • Simple prevention cuts heat: a half‑cover lowered cabin temperature by about 10°C in ADAC tests, reflective sunshades by about 8°C, parking in shade and ventilating properly also reduce risk.