OLATHE, Kan.--(BUSINESS WIRE)--Garmin International Inc., a unit of Garmin Ltd. (NASDAQ: GRMN), today announced its most advanced truck navigators yet, the dēzl 570 and dēzl 770. The two new navigators feature large 5 and 7-Inch glass displays in a rugged housing that make it easy to see information at a glance, even on a large dashboard. Designed to assist truckers on the road in the best possible way, the dēzl devices add a range of new truck-specific features, such as easy route shaping, poi