Frankly, I'm surprised that this doesn't happen more often than it does....or at least if it does, we don't seem to hear about it. The exhaust system is on the right side of the car, typically the one that usually hits the wall and damaged:
https://www.usatoday.com/story/spor...-carbon-monoxide-poisoning-at-dover/39456065/
https://www.usatoday.com/story/spor...-carbon-monoxide-poisoning-at-dover/39456065/