Garmin DriveSmart 50/60/70 - Connecting the Device to Vehicle Power
Amazon.com: Garmin Drive 50 USA LM GPS Navigator System with Lifetime Maps, Spoken Turn-By-Turn Directions, Direct Access, Driver Alerts, and Foursquare Data : Electronics
Garmin Drive 40/50/60 - Garmin Drive 40/50/60
Garmin DriveSmart 50 user manual (English - 26 pages)