When there is obstruction in your lane and you are driving in a rental car always drive through the obstruction. What the hell, it's a rental. Watch out for deer on highways. If you see a deer approaching slow down and flash your lights repeatedly. This will confuse the deer momentarily so you can speed up and kill the deer.
Venison can be quite tasty.
To amuse small children on a road trip bring books or children's musical tapes and a clipboard to use with paper and crayons. If this fails to amuse the little tykes try bound and gagging them. Duct tape works quite well. Never blast the radio to an Tony Orlando and Dawn song. Always encourage people to talk on their car phones while driving.