There are some quite nasty holes. They were, of course, anticipating some but they are a bit surprised at how many they have at this point in the mission. This contributed to the decision to drive over Dingo Gap in search of a smoother path.
Everyone knows your nice alloy wheels are going to get 'gutter rash' eventually. Anyway, I think it just needs a wash and a turtle wax. We obviously need to send a Car Lovers to Mars.