We have crossed at the Ambassador and Peace Bridges since the new rules went into effect and weren't asked anything more than what we have in the past, that I recall. Citizenship, where are we going, how long, bringing anything into the US, roll down the back window since they are tinted dark.......
They request ID and since we travel with passports, no problems! I noticed that they ran the passports through a scanner of some sort, but maybe they did that before, I'm usually the passenger in the car so don't see everything being done.