» Never get out of your car while your keys are in the ignition not even for a second. This is an open invitation to carjackers.
» Using a cell phone is an easy way to alert others that you're in trouble. If you don't have one, you can leave a trail of notes: Write on a wall or a counter, or jot a message on a piece of clothing and drop it on the sidewalk or street.
» Look for small, wearable security devices that can track kidnapped individuals, such as the Digital Angel Product Line.