Car is a Mercedes Benz Nazi staff car.
Sean Burford wonders about the stone wall visible here, he comments that it "has an interesting pattern. I don't know whether it's just to fill space or whether there's a message encoded in the pattern." It definitely looks like cladding on a parapet, possibly with some embrasures on it. It's also visible on Page 12, Panel #3.
"YOU'RE ENGAGED TO BE MARRIED" - oops!
NAOMI knows how to get her way with VINCE.