Lexus RX 350 Tire Pressure
The recommended Lexus RX 350 tire pressure is usually 33 psi for both front and rear tires.
Written by David Ghanizadeh-Khoob
Reviewed by Melanie Reiff
In most cases, the recommended Lexus RX 350 tire pressure is 33 psi for all four tires. Confirm your car’s tire pressure by checking the owner’s manual or driver’s side door jamb.
Maintaining the correct tire pressure is an important part of keeping your car safe on the road. Tires that are underinflated or overinflated can increase wear and tear, affect driving performance, and increase the risk of a blowout.
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What is the right tire pressure for a Lexus RX 350?
In most cases, the recommended tire pressure for a Lexus RX 350 is 33 psi for both front and rear tires. You should confirm the exact recommendation for your model though by checking the owner’s manual or driver’s side door jamb.
The recommended tire pressure has changed slightly over the years. 33 psi has been the recommended pressure since 2016. From 2010 to 2015 the recommended pressure was 32 psi, and pre-2010 models typically have a recommended tire pressure of 30 psi.
This number can vary a bit as well depending on which size tires are on your Lexus. All pressure recommendations are within a few psi, but over-inflating your tires by as little as 3 to 5 psi can increase your risk of a blowout. That’s why it’s so important to get it right and to confirm the tire pressure needed for your exact situation.
Things are complicated a bit more in the winter. If you live somewhere with cold, snowy winters, it is usually a good idea to inflate your winter tires 3 to 5 psi above the manufacturer’s recommendations.
Tire pressure recommendations for other Lexus vehicles
Vehicle | Front tire pressure | Rear tire pressure |
|---|---|---|
2022 Lexus GX 460 | 32 psi | 32 psi |
2022 Lexus IS 350 | 36 psi | 36 psi |
2022 Lexus ES 350 | 35 psi | 35 psi |
2022 Lexus RX 350L | 33 psi | 33 psi |
2022 Lexus RX 450h | 33 psi | 33 psi |
2022 Lexus NX 300 | 32 to 35 psi | 32 to 35 psi |
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How to check Lexus RX 350 tire pressure
If you don’t know how to check your tire pressure, don’t worry, it’s pretty straightforward. You will need a
tire pressure gauge
, though. If you don’t have one, gas station air fill stations usually have a pressure gauge built into the air pumps.The first thing you should know is that to get the most accurate pressure reading, your tires should be cold—wait at least an hour after driving before you take your measurement.
To check your tire pressure, just remove the tire valve stem cap and push the tire pressure gauge over the valve stem. The gauge will give you a reading which you can use to add or remove air as needed.
How often should you check tire pressure?
It’s recommended to check your tire pressure regularly. The best practice is to check your Lexus RX 350’s tire pressure once a month or before any especially long drives.
You should also check your tire pressure whenever you have reason to believe a tire is getting low. If your pressure is low, you might notice your TPMS light turn on. You might also notice it in the way your car drives. Things like decreased performance, an uneven feeling ride, or strange steering are all signs that one or more tires are low.
How to tell if your Lexus RX 350 needs new tires
The average tire will last roughly 50,000 to 60,000 miles. Based on average driving habits, this amounts to about three to five years. Get in the habit of checking your tires. If you notice low tread depth, odd cracks, or bulges in the tire, it’s time to replace it.
Most tires should be retired when they reach a tread depth of about 1/16”. A handy trick to assess this depth is to use a penny. Insert a penny between your tread leading with the top of Lincoln’s head. If you can see the top of the 16th president's head, then your tread is too low.
How to reset the Lexus RX 350 tire pressure monitoring system (TPMS) light
The tire pressure monitoring system (TPMS) is a handy tool to help keep your tires at the correct pressure. Sometimes, after you’ve checked and refilled all of your tires to the recommended pressure, the TPMS light will remain lit.
Thankfully, there is a super simple way to reset this light on a Lexus RX 350, but the process is a bit different depending on the year your Lexus was made.
For models made before 2016:
- With the car turned off, make sure all four tires are at the correct cold pressure.
- Turn the car on (but don’t start the engine) and locate the TPMS reset button. This should be located next to the steering wheel and say “set”.
- Hold down the TPMS reset button until the light flashes a few times.
- Leave your car on for a few minutes to allow the system to recalibrate.
For models made since 2016:
- With the car off, adjust all four tires to the correct tire pressure.
- Turn the car on without starting the engine.
- In your dash display system, go to the “vehicle settings” menu using the navigation buttons and press and hold the “OK” button.
- Select TPMS.
- Press and hold the OK button for a few seconds until the light blinks three times.
- Start your engine and drive for 30 miles to allow the system to calibrate.
If this doesn’t fix the problem, stop the car, turn the engine off, and turn the car on again. The TPMS light should stay off, but if it starts blinking again within 60 seconds, repeat the driving step.
If none of this works, you may have an issue with one of the sensors and it might be worth taking your Lexus to a dealership or local mechanic to properly diagnose the problem.
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