How to Check Tire PressureFind target. Check cold. Adjust safely.

Tools · How to Check Tire Pressure

Road-Trip Tire Checklist

Before a long drive, check cold pressure, tread, damage, spare, and load. Highway speed makes a low tire worse.

PSI ADJUSTERCold pressure reference tool
READY
TARGET - READINGAdd 4 PSITarget 35 PSI, current 31 PSI. Add air in short bursts.
Full calculatorFind targetTPMS light

Short answer

The night before or the morning of a trip, check cold pressure against the door label, look at every sidewall, confirm the spare is ready, and use the loaded pressure if the placard has one.

Highway heat and speed punish a tire that was 'a little low' around town. The trip checklist exists because monthly habits get skipped the week people pack the car.

If you add a roof box or four suitcases, look at the loaded column on the label. Do not invent a higher number.

Step-by-step

  1. 1Cold-check every tire and the spare.
  2. 2Inspect for nails, bulges, and cracked valves.
  3. 3Confirm you have a gauge in the car.
  4. 4Use loaded PSI if the label lists it.

Common mistakes

Checking after you already loaded and drove two hours That reading is hot.

Forgetting the spare The first puncture then ends the trip.

Safety notes

Do not start a highway trip on a tire you already know is leaking.

FAQ

Should I set pressure higher for the highway? Only if the vehicle label says to increase it for load.

Related next steps

Tire pressure calculatorCompare the door-label target with the gauge reading.Gas station pumpAdd air after you already know the target.Tire pressure lightCheck tires before you reset TPMS.Find the target PSIUse the door label, not the sidewall.