Have you ever settled behind the wheel of your car wondering whether you really know how to get to your destination? Fear no more. With a Navigation System GPS (Global Positioning System) from Parkway Car Stereo can show and even tell you how to get to any destination. These products Alpine, Pioneer. Clarion, Kenwood or Garmin use the GPS, which relies on a host of satellites to determine where you are. Simply add an address or phone number or intersection & let the device guide to your destination. Some units alert you of traffic ahead too.