I've learned a lot of useful things from Pat Goss on Goss' Garage.
How to unscrew a gas cap.
How to close a car door without slamming it.
When it's raining, use your windshield wipers.
How to inflate my tires.
When changing my oil, I need to be sure that every quart is the same weight.
Look both ways before crossing.
Pushing that little button with the snowflake activates the A/C.
Pay before you pump.
When the needle on the gas guage is on E, it's time to fill up.
How to install cupholders in an exotic car.