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Children very vulnerable to heatstroke if left in vehicles

Jun 27, 2013 | 2013, News, Vehicle & Road Safety, Youth Safety

It is a familiar, heartbreaking story that comes with summer heat-waves in Canada – a child left in a vehicle overheats and dies from heatstroke.

Even on days that seem relatively mild, 20 minutes is all it takes for the interior of a vehicle to reach extreme temperatures. These conditions can cause a child to go into shock and sustain vital organ failure.

Tragedies like these are preventable. The Canada Safety Council urges parents and caregivers to be aware of and recognize the inherent dangers of leaving a child unattended, especially in a confined space such as a car on a hot day. The advice is simple: never leave a child alone in a vehicle – not even for a minute.

Heat can be dangerous and deadly!

Heat levels in a car exposed to the sun on a 35°C (95°F) day can soar to 50°C (122°F) within 20 minutes. Heat stroke, meanwhile, occurs at 40.5°C (105°F). When the body’s core temperature reaches this point, sweat reserves are depleted and a person’s body is no longer able to cool itself. At this point, the body’s core temperature shoots even higher, resulting in severe organ damage and (without intervention) death.

Children are especially sensitive to heat exposure because their sweat glands are not fully developed, which means their bodies are not capable of cooling down quickly. When exposed to heat, a child’s body temperature rises three times faster than an adult in the same conditions.

Safety recommendations

Incidents of children being forgotten in a vehicle can occur if otherwise responsible parents and caregivers are distracted, fatigued or if there is a break in daily routine. However, extra care and vigilance is all it takes to ensure the safety of children and all other vehicle occupants, such as pets and elderly persons.

  • As a reminder that you have a child in the vehicle, put something you will need – i.e., a cellphone – near the child in the backseat. Alternately or in addition, keep a toy on the front seat as a visual reminder that you have a child on board.
  • Develop the habit of consciously checking that all occupants are out of the vehicle before it is parked and locked. For example, lock your vehicle using your key, rather than a remote. Use these few seconds to scan the interior of the vehicle to make sure that no one has been left behind.
  • If you have a childcare provider, ask him or her to contact you in the event that your child does not show up. This can be an important safeguard especially if your child could be taken to their childcare site by several people, such as your spouse or another family member.
  • If you see a child alone in a locked vehicle, call 9-1-1 to get help.

Fatalities can also occur is a child enters an unlocked vehicle and is unable to get out. Vehicle owners should keep the doors and the trunk locked at all times while the vehicle is parked and unattended.

Do not teach children how to unlock your vehicle or override safety features. Keep your keys in a safe location.




For more information, please contact:


Catherine Gaudreau

Communications/Media Program Coordinator, Canada Safety Council

(613) 739-1535 (ext. 228)


Raynald Marchand

General Manager, Canada Safety Council

(613) 739-1535 (ext. 226)

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