During hot summer months, the temperature inside your car can be 40 to 60 degrees higher than outside. Never leave children or pets in a closed car. It doesn't take long for heat stroke to set in, or worse. Nationwide, 15 such deaths have already occurred in 2011. Leaving children and pets inside a closed car, or even one with the windows rolled down, is dangerous, deadly, and illegal. Please practice summer car safety. Be smart, be alert so no one gets hurt.