What operating system does it run?
It runs Android, so you install your favourite apps from the Play Store.
Can I connect my phone to the screen?
Yes, it has Apple CarPlay and Android Auto.
Is the installation plug and play?
Plug and play installation in place of the original unit, with no cut wires.
Does it keep the steering wheel controls?
Yes, the steering wheel controls keep working.
Why does the year of manufacture matter?
Because the same car changes its dashboard and connectors from one generation to the next. The year is what decides the correct version.