DOES THE SONY XAV-AX7000 HAVE ONBOARD GPS?

The Sony XAV-AX7000 utilizes Apple CarPlay and/or Android Auto to display GPS functions - by being connected to your applicable phone via USB.
If you're an Apple user, via Apple CarPlay, you'll have access to Apple Maps, Google Maps & Waze - all displayed beautifully on Sony's 7" touch screen.
If you're an Android User you'll have access to Google Maps and Waze via Android Auto - and again - it renders amazingly on the Sony 7000 device.