SESKStuff Everyone Should Know
SESK: Stuff Everyone Should Know · sesk.info/dad-tire-pressure-cold

For an accurate reading, when should you check tire pressure?

After sitting unused for three hours or more.

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  1. Right after a long highway drive
  2. After sitting unused for three hours or more ✔
  3. Within a minute of parking

Why: NHTSA says to check pressure when the tires are cold, meaning the car has not been driven for at least three hours. Driving heats the tires and raises the reading.

Huh, didn't know that: NHTSA says to check the pressure of all tires, including your spare, at least once a month.

The dad joke
"Dad, I'm cold." "Go stand in the corner, I hear it's 90 degrees."
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References

Answer: After sitting unused for three hours or more. NHTSA says to check pressure when the tires are cold, meaning the car has not been driven for at least three hours. Driving heats the tires and raises the reading.

  1. NHTSA: Tires www.nhtsa.gov/vehicle-safety/tires
    when the tires are cold, meaning that the car hasn't been driven for at least three hours.
    Checked 2026-10-10.

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