> “The car has modifications for sharp edges in the form of rubber edge guards that could come into contact with pedestrians at the front and back,” Slovak said.

So, like a bumper car?

Not entirely unlike it. It's also like the foam inserts on a product, when you take it out from its cardboard box.

Not shown on every image, but here are some:

https://pbs.twimg.com/media/GShMjCQXkAAfy40?format=jpg&name=...

https://pbs.twimg.com/media/GSUGKXlXgAASb8o?format=jpg&name=...