since9
Campaign Veteran
In all seriousness, I think parents shouldn't leave their kids in the car alone, unless they know there kids are mature enough, and smart enough, to handle sitting in a car that is running with the AC on.
My son's 11, and while he's smart enough to know better, and at a muscular 130 lbs big enough to give someone some serious resistance, I'd never leave the engine running. This summer is the first summer I've ever left him in the car alone, and then, only for a few minutes, with the windows cracked for ventilation, and the alarm system ON. If someone tries breaking in, the alarm goes off. If he leaves the car, the alarm goes off...