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nüvi 3700 Series Owner’s Manual 65
Appendix
Troubleshooting
Problem Solution
My device is not acquiring
satellite signals
Verify that the GPS simulator is turned off.
From the main menu, touch Tools > Settings > System
> GPS Simulator > Off.
Take your device out of parking garages and away from
tall buildings and trees.
Remain stationary for several minutes.
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The suction cup will not
stay on my windshield.
Clean the suction cup and windshield with rubbing
alcohol.
Dry with a clean, dry cloth.
Mount the suction cup (page 2).
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The device does not
charge in my vehicle.
Check the fuse in the vehicle power cable (page 47).
Verify the vehicle is turned on and is supplying power to
the power outlet.
Your device can only charge between 32°F and 113°F
(between 0°C and 45°C). If the device is placed in direct
sunlight or in a hot environment, it cannot charge.
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My battery does not stay
charged for very long.
To maximize the time between charges, turn down the
backlight (page 51).
How do I clear all of my
user data?
1. Hold your nger on the lower‑right corner of the device
screen while it is turning on.
2. Keep your nger pressed until the message appears.
3. Touch Yes to clear all user data.
My battery gauge does
not seem accurate
Allow the unit to fully discharge, and fully charge it (without
interrupting the charge cycle).