Welcome to AFM! They're vinyl... if not paint.
If they are matte (no shine) do not use wax. If they are gloss (shiny) you are encouraged to care for them like you do the rest of your car. You can wax them, no problem.
Waxes are all personal preference... I use mostly Obsessive Detail stuff and have found no comparison - right down to my instant detailer. My brother uses aerospace 303 (i think that's the name) on them and they look fantastic, it depends on you.
As for car wash, just make sure you pick up a good quality wash - not dish soap.
Don't let bird or bug droppings bake on there and keep a few micros and instant detailer in a small crate in the trunk in case you walk out and find a little mess. Other than that, I think you're ready to rock and roll.
Others will post their opinions, too!! Wait for a few more to chime in!!
