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I am new to Tesla, so don't know about Tesla map yet. I wonder what trigger map keep track your current GPS location on the map (the "red" arrow location), sometime I drive the map does not show the current "red", it shows my home area
Press the top right icon on map, picturing a compass. It will cause current location to be always in centre of map.
Pressing it again toggles between direction of car is up on map and north being up.
if you scroll the map manually (one finger press and slide), or zoom the map (two finger press and increase/decrease gap between them) then this will cause location at that time to remain static and no longer update as you drive.