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Slow GPS Map Rendering


Jul 8, 2011
Ft Walton Beach FL
Anyone else notice how slow the map renders around rush hour, even with 4-5 bars? I've sometimes driven for several miles with no map (satellite or roads only) showing--not even one square patch. I like current data, but I'd settle for a larger map cache with more persistence. Surely there's enough memory in the computer to do so.


Supporting Member
Jun 30, 2015
Roanoke, TX
If it's happening around rush hour it's more likely the cellphone tower's data back haul is saturated by everyone on the road using their phones while in traffic. The only solution there is to determine who provides the cell signal for the car and complain. (AT&T or Verizon probably)


Active Member
Feb 4, 2013
SF Bay Area, CA
Are you on 3G or LTE (what vintage is your build)? FWIW, I just did the LTE upgrade on my 2013 S85, and, in the SF Bay Area, it makes a world of difference with nav screen redraw.

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