Reviewed by Shannon Martin, Licensed Insurance Agent.
Good question! Definitely important to know how to do this, so let’s walk you through it.
Here’s how to inflate tires at a gas station:
First, park your car near the tire filling pump in a position that allows you to reach all tires with the air hose.
Once you’ve parked in a good position, find the correct tire PSI for your vehicle. Your driver’s door jam should have a label with this information. If you don’t see a tire pressure label here, check your owner’s manual or inside the fuel door.
Then, remove the valve stem cap from each tire and put them in the vehicle or your pocket, so you don’t lose them. Take them off before you start the air pump to save time—and money, if the air station you’re using requires payment.
Attach the air pump to each valve stem and fill to the correct pressure. Attach the tube firmly to the valve stem. You should not hear a hissing sound that indicates air is coming out of the tire.
Most air pumps allow you to set the pressure and alert you when to remove the hose. If the air pump doesn’t have this, you’ll need your own tire pressure gauge to check—you can often find them for under $20, and they’re useful to have on hand in your vehicle, anyway.
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