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The Practical Girl's Guide to Putting Air in Your Tires. Handy to explain how to work the gizmo at the gas station. NOTE: She does make an error by saying you should use the max air pressure listed on the tire's side wall. This is not correct. You should inflate to the pressure recommended on the sticker inside your car door well. It is typically quite a bit lower than the max that the tire will hold.

Embarrassed to admit the gas station air pump is a mystery to you? Here's how to make that darn machine work!