| More care when driving in bad weather and on grades | |
| More skill than driving with a single trailer | |
| More following distance than driving with a single trailer | |
| All of these are correct |
| Threaded through the locking lever | |
| Over the locking lever | |
| Behind the locking lever | |
| Removed from the locking lever |
| Are against the law | |
| Make objects look closer and smaller than they actually are | |
| Are required when driving a double or triple trailer | |
| Make objects look closer and larger than they actually are |