Do I need to call prior to check in and obtain a onsite parking pass for my car ?

No there is enough parking

No, a reservation is good enough. You can check when you're there about car pass.

Stayed there this weekend. Did not have to call ahead. They just asked for my make and model when I checked in. Plenty of parking.

We don't & we ride in abbus

I did not when I stayed there.

That's not necessary.

I don't think so.If you have a reservation, that should be enough.