nüvi 3400 Series Owner’s Manual 57
Avoiding Theft
• Remove the device and mount from sight
when not in use.
• Remove the residue left on the windshield by
the suction cup.
• Do not keep your unit in the glove
compartment.
• Register your device at http://my.garmin
.com.
Erasing User Data
1
Turn the device on.
2
Hold your nger on the lower-right corner of
the device screen.
3
Keep your nger pressed until the
pop-up window appears.
4
Select Yes to clear all user data.
All original settings are restored. Any items that
you have saved are erased.
Extending the Battery Life
• Keep your device away from extreme
temperatures.
• Put the device in sleep mode (page 4).
• Decrease the screen brightness (page 4).
• Do not leave your device in direct sunlight.
• Decrease the volume (page 4).
• Disable Bluetooth (page 53).
• Shorten the display timeout time (page 52).
