I wonder if the Canadian authorities are doing an extensive search of his Model X and trailer.
Two Augusts ago, my wife and I (we are both in our 60s) crossed from Washington into British Columbia at Nelway, south of Salmo. Ahead of us, the Canadian Customs folks were thoroughly searching three vehicles. After we handed the officer our paperwork, which included vehicle registration and proof of insurance, we were asked the purpose of our visit (to see my wife's brother outside Nelson).
Then--do we have any tobacco? (No, sir.) Do we have any alcohol? (No, sir.) Do we have any illegal or prescription drugs? (No, sir.) Where is your front license plate? Does not California require a front license plate? (Yes, sir, California requires a front license plate. I have the plate in the front trunk. If you would like me to, I can return to the US and place it on the vehicle and return in about 10 minutes.)
That won't be necessary, but pull up behind that Toyota and wait for the inspector. We pulled up. The inspector went into the shack and returned with our paperwork. He gave a quick look-see about the vehicle and then returned our paperwork to us and waved us through.
When we returned to the US in Idaho, the US Customs official said, "hi," and looked at our paperwork and waved us through. Took all of 30 seconds. Didn't care about our lack of a front license plate.