eflyguy
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"AUTO": which, apparently, "thinks" this scale or that one is the "proper scale" for driving speed. At freeway speeds, the "proper scale is displayed at 2 miles. At surface roads speeds it seems to default to .25 miles. While at very sedate speeds, say under 30 MPH, it will retain 700' or even expand to 300' to show local street detail.
On my Sorento, there is a nav settings screen for setting the scale by speed according to your preference. I didn't use Auto either. I don't know if the Stinger system has it because I have never used the built-in nav, but it would surprise me if it didn't.