- The recommended tire pressure for your car is listed in your owner's manual.
- You can also find it on the sidewall of your tire.
Step 2: Get a tire pressure gauge.
- You can buy a tire pressure gauge at any auto parts store.
- Make sure the gauge is accurate.
Step 3: Remove the tire valve stem cap.
- The tire valve stem cap is located in the center of the wheel.
- Use a flat-bladed screwdriver or your fingernail to remove the cap.
Step 4: Press the tire pressure gauge onto the tire valve stem.
- Make sure the gauge is pressed on firmly so that it doesn't leak.
Step 5: Read the tire pressure gauge.
- The tire pressure gauge will display the tire pressure in pounds per square inch (PSI).
Step 6: Compare the tire pressure to the recommended pressure.
- If the tire pressure is too low, you need to add air to the tire.
- If the tire pressure is too high, you need to let some air out of the tire.
Step 7: Replace the tire valve stem cap.
- Replace the tire valve stem cap to keep dirt and moisture out of the tire valve.
Here are some additional tips for checking tire pressure:
- Check your tire pressure regularly, especially before long trips.
- Check the tire pressure when the tires are cold.
- If you're not sure how to check your tire pressure, you can take your car to a tire shop or auto repair shop and have them check it for you.