How do you change the kPA reading to PSi in a Subaru?

I just got a new Subaru Outback. It’s winter, so I wanted to check my tire pressure, but it shows it as *kPA* and not *PSi.* What the heck is *kPA?* And how do I change it from kPA to PSi in my Subaru?

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Matt Terzi · Answered on Jan 09, 2023
Reviewed by Shannon Martin, Licensed Insurance Agent.
Congrats on getting a new Outback! It really is indisputably one of the best SUVs on the market today. But the kPA readout is confusing for a lot of first-time Subaru owners, so let’s walk you through changing the kPA reading to PSi.
Here in North America, we measure tire pressure as pounds per square inch, or PSi. But in most of the rest of the world, tire pressure is measured in kilopascals, or kPA. For whatever reason, Subaru defaults their tire pressure monitors to kPA readouts.
To change the kPA to PSi on a Subaru:
  • Locate the up and down I/set arrows, found in the lower-left area of your steering wheel
  • Using the arrows, navigate to the screen that says Pull and hold I/SET switch for menu, then pull and hold the I/Set button
  • Scroll through the menus until you find tire pressure units, then pull the I/Set button again
  • Scroll up to PSi and press the I/Set button one last time
  • Wait a few seconds and you’ll be out of these menus
  • Once you navigate back out of these settings menus, use the arrows to find your tire pressure page, and it should now be reading as PSi.
If you do want to keep the kPA reading—it’s okay to be quirky!—just know that a safe kPA is between 193 and 234 (ideally around 210). If it’s too low, the car will warn you to fill the tires, but check manually regardless, especially in colder months when tire pressure tends to dip on its own.
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