Garmin nuvi 3490LMT Quick Start Manual - Page 4

nüMaps Guarantee™ If you register the device at http://my.garmin .com within 90 days of acquiring satellites while driving, your device could be eligible for one free map update. Go to www.garmin.com/numaps for terms and conditions. Using myDashboard Services 1 Open myDashboard (page 3). 2 Select an option: • To update the software, click Update Now under Software Updates. • To update the maps, click Update Now under Map Updates. • To download the owner's manual, click Manuals, and then click Download next to the manual you want. 3 Follow the on-screen instructions. Using the Power Key ➊ • To turn off the device, hold the Power key ➊ for 4 seconds. • To reset the device, hold the Power key for 10 seconds. • To put the device in sleep mode, quickly press and release the Power key. NOTE: Use sleep mode to conserve battery power when your device is not in use. • To bring the device out of sleep mode, press the Power key and double-tap . 4 nüvi 3400 Series Quick Start Manual