
nüvi 3400 Series Owner’s Manual 3
Updating the Software
1
Open myDashboard (page 2).
2
Under Software Updates, click Update Now.
3
Follow the on-screen instructions.
nüMaps Guarantee
™
If you register through myDashboard, your
device is eligible for one free map update within
90 days of acquiring satellites while you drive.
Go to www.garmin.com/numaps.
Updating Maps
1
Open myDashboard (page 2).
2
Register the device (page 2).
3
Under Map Updates, click Update Now.
4
Follow the on-screen instructions.
Turning Off the Device
You can power off the device completely.
1
Hold the Power key
➊
for 3 seconds.
➊
NOTE: If you hold the Power key for less
than 4 seconds, the device enters sleep
mode.
2
Select Off.
Resetting the Device
You can reset your device if it stops functioning
Hold the Power key for 10 seconds.