If it is constantly on a singloe map location and never cuts in to navigate thjen suspect that
1) the antenna is afunctional, disconnected, or not working to lock onto satellites.
2) The chip that locates and communicates with the satellites is dead.
If it always shows a particular location when started, but does navigate to where you ask it to take you, but always returns to the base location when tuened off and then on. The program in your home address or in SETUP program your location and time zone to have it always start in Maryland.
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