I did a master reset, but there is no improvement. Maybe I should live with it.

Wolfie

To perform a Master Reset on the nuvi 200, 205, 465, 500, 600, 700, 705, 1100, 1200, 1300, 1400, 1600, 2200, 2300, or 2400 series device:
Note: A master reset will erase all waypoints or Favorites and will restore your unit to the default factory settings. If you would like to back up your Favorites to your computer, you can find instructions to do so here.
Start with the unit OFF and unplugged from power
Touch and hold the lower right corner of the screen with an index finger or the eraser end of a pencil
Continue touching and holding the lower right hand corner of the screen then power the unit ON
Release the power button when the device powers ON
You will see a new message: Do you really want to erase all user data?
Remove your finger from the touchscreen when this message displays
Touch Yes*
The device will automatically reset. Follow the on screen prompts and then place your device in an area with a clear view of the sky until it acquires satellites.
*If the text language on your nuvi is not set to English, touch the button on the right.
Link Referenced In This Article:
https://buy.garmin.com/support/searchSupport/case.htm?caseId={51c35d50-3dbf-11df-e655-000000000000}