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nüvi 3700 Series Owner’s Manual 59
Appendix
To increase the accuracy of the
battery gauge, fully discharge the
battery and then fully charge it. Do
not unplug the device until it is fully
charged.
Maximizing the Battery Life
Press and quickly release the
power key to lock the screen and
put the device in sleep mode.
From the main menu, touch
Tools > Settings > Display >
Brightness to turn down the
backlight.
From the main menu, touch Tools
> Settings > Display > Display
Timeout to reduce the timeout
length.
Do not leave your device in direct
sunlight.
Avoid prolonged exposure to
excessive heat.
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Changing the Fuse in
the Vehicle Power Cable
Notice
When replacing the fuse, do not lose
any of the small pieces and make
sure they are put back in the proper
position. The vehicle power cable
does not work unless it is assembled
correctly.
If your device does
not charge in your
vehicle, you may
need to replace the
fuse located at the
tip of the vehicle
adapter.
1. Use a coin to push down the
silver tip, and turn the coin
counter-clockwise one-quarter
turn.
2. Remove the end piece, the silver
tip, and the fuse.
End
piece
Silver tip
Fuse
End
piece
Silver tip
Fuse