OLATHE, Kan.--(BUSINESS WIRE)--Garmin® International Inc., a unit of Garmin Ltd. (NASDAQ: GRMN), today announced the 2015 nüvi Essential Series, the company’s first entry-level lineup of navigation devices with backup camera support. Every year, thousands of drivers get into accidents when reversing because they can’t see what’s behind their vehicle1. By adding a backup camera option to its value-priced navigators, Garmin makes this important technology accessible to more drivers. The BC 30TM b