It will eat data unless you install a dedicated satnav app such as Igo, Tomtom (£38), Waze, Co Pilot Premium (£20) , Navigon (£35), google maps will use data
I had forgotten to mention that and I use Maps.me, the POI's work well on there as wellMapme works offline tostan
I had forgotten to mention that and I use Maps.me, the POI's work well on there as well
Also what's the best way to mount it to the dashboard?