dear,
1.yes,Model:H313N can make full use of all the systems,it has build-in GPS,but can't work your factory back up camera,you need to buy a new one from option.
https://www.seicane.com/seicane-wireless-rearview-camera-for-aftermarket-car-radio-116006
2.this unit can support both 3g and 4g network,you need buy the 3G/4G module to work with SIM card.
https://www.seicane.com/high-quality-universal-modem-external-4g-module-for-car-dvd-player-support-4g-network-fdd-lte-3g-network-lte-fdd-hspa-s1211
3.the DVD Player is included in the unit.
4.this unit can fit your car,pls place order on page.
By
Seicane