Apart from the last remaining denizens of the "Mayberry R.F.D." postal zone, we're not sure who's still leaving their keys in the ignition with the engine running while they run into the corner store for a Yoo-hoo and a MoonPie. But if the National Insurance Crime Bureau and the Highway Loss Data Institute keep stats on it, someone must be doing it. If you're among them, stop. If not, continue using common sense, and follow the link below for some simple security measures you might not have thought of to protect your vehicle and the property therein.