Using the correct air pressure for your vehicle’s tires is important for safe driving. However, if your tires have the wrong pressure, it can cost you fuel efficiency, make it harder to steer, and increase the chance of a blowout—and all of these problems can lead to higher costs in the future.

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What is the right tire pressure for a Mazda CX-30?

For most vehicles, Mazda recommends you use 36 psi tire pressure for both the front and rear tires for your CX-30 subcompact SUV. If you want to double-check this recommendation, look in the owner’s manual or check for a sticker inside the door frame on the driver’s side.

However, there are two standard tires on the CX-30. If you have the 215/55R18 95H tire, they recommend using 36 to 38 psi on the front tires, but stick to 36 psi pressure for the back tires. If you own a Turbo or Turbo Premium, your vehicle probably uses the 215/55R18 95H tire and requires higher pressure.

Be aware that if you replace the OEM factory tires your Mazda CX-30 came with, you need to check the recommended psi for those tires. The tire pressure can also change based on weather conditions. Your tires will naturally lose pressure as the temperature drops, so you can safely increase the air pressure by 3 to 5 psi higher during the winter.

Tire pressure recommendations for other Mazda vehicles

Vehicle	Front tire pressure	Rear tire pressure
Mazda 3	36 psi	36 psi
Mazda 6 – 17” wheels	36 psi	36 psi
Mazda 6 – 19” wheels	35 psi	35 psi
Mazda CX-3	36 psi	33 psi
Mazda CX-30	36 psi	36 psi
Mazda CX-5 – 17” wheels	34 psi	34 psi
Mazda CX-5 – 19” wheels	36 psi	36 psi
Mazda CX-9 – 18” wheels	36 psi	36 psi
Mazda CX-9 – 20” wheels	34 psi	34 psi
Mazda MX-5 Miata	29 psi	29 psi

MORE: How low can your tire pressure go?

How to check Mazda CX-30 tire pressure

If your vehicle has the latest and greatest technology, your Mazda Connect includes a Vehicle Status Monitor (use the “Information” link on the home screen) that can give you the current tire pressure thanks to the Tire Pressure Monitoring System (TPMS). The TPMS will also display a warning light as part of your instrument cluster display if the tire pressure is off.

However, there is an easy, low-tech way to check your tire pressure. You want to keep an eye on tire pressure as part of your overall

proper vehicle maintenance

routine, especially if you are planning a trip. Be sure you have

a tire pressure gauge

on hand before you begin—either keep one in your vehicle or use the one at an air-filling station when you stop for gas.

You need to unscrew the valve stem cap, push the tire pressure gauge onto the valve stem, and then check the gauge's reading. You’ll want to add or take out air depending on how the number compares to the recommended psi—however, you can usually safely have a couple of psi above or below the ideal (depending on your tire’s wear and factors like the weather).

Your CX-30 will also give you some signs the tires need to be checked, such as if the steering is sluggish, your fuel efficiency goes down, you hear a flapping sound, the ride gets bumpier than usual, or it takes longer to stop. Always check your tires if you aren’t sure.

How often should you check tire pressure?

Get in the habit of checking your tires once a month or when prepping for a trip. Weather changes, such as a major drop in temperature, can also affect tire pressure.

How to tell if your Mazda CX-30 needs new tires

In general, you should replace your Mazda CX-30’s tires every six years or around 50,000 miles—but always look for extra wear when checking the tire pressure! Keep an eye out for shallow tread depth, cracks, or bulges in the tire because that means you’ll need a new one.

You can use the penny method to check tread depth: for a US penny, put the penny into a tread groove upside down so Lincoln’s head is between the tire tread. If the top of his head is visible, those tires need replacing—some experts say using a quarter is better since it catches worn-out tires earlier, especially during poor weather conditions.

MORE:

Low tire pressure in cold weather, and how to fix it

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How to reset the Mazda CX-30 tire pressure monitoring system (TPMS) light

Sometimes your tire pressure warning light continues to flash even if you just checked or refilled the tires, so it might be time to

reset your TPMS

. The first option is driving your CX-30 over 50 mph for at least 10 minutes since this will help your sensor reset. If that doesn’t work, then there’s a reset button.

The second option is to turn your key to the “on” position without starting the car. Next, find the TPMS or “set” button near your steering wheel, then press the button until the tire pressure warning light flashes several times—you might hear a beep depending on the vehicle. You might need to drive your CX-30 for 10-20 minutes to allow the sensor to finish resetting.

However, if the light is still flashing, get the sensor checked by your Mazda dealer or mechanic. You want to know whether your tires are OK without constantly pulling out a tire gauge!

MORE:

The Most Common Mazda Problems

How to save on Mazda CX-30 insurance

Keeping your tires at the right pressure is one of the many ways to save on expenses, from fuel costs to possible accidents. Sticking to a good maintenance routine helps your Mazda last longer and keeps you safe.

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