Hand-held or car-mounted GPS devices can save you a world of inconvenience when you’re traveling or driving through an unfamiliar location. A full-featured GPS can guide you through tricky freeway interchanges, warn you of changes to the speed limit and direct you to the nearest roadside diner or restroom; however, this data changes constantly. Keep your device up-to-date by downloading new maps or purchasing them on a data card. Writer Bio
