How to Reset the Tyre Pressure Warning System on a Toyota Yaris Cross – Quick and Easy Guide

Why the Tyre Pressure Warning Appears on the Yaris Cross

The tyre pressure warning system — also known as TPMS (Tire Pressure Monitoring System) — is a safety feature in your Toyota Yaris Cross that detects when one or more tyres are not properly inflated.
The warning light may appear due to:

• Low tyre pressure
• A slow air leak
• Recent tyre replacement or rotation
• Temperature changes affecting air density

Before jumping to conclusions, it’s best to check the pressure first and, if necessary, reset the system.

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Step 1 – Check the Correct Tyre Pressure

Before performing any reset, make sure the tyre pressures match the manufacturer’s specifications. For the Yaris Cross:

• Open the driver’s door and look for the pressure label on the pillar.
• Adjust all four tyres (and the spare if applicable) to the indicated cold pressure values.
• Even a difference of 1–2 psi can trigger the light.
  Once all tyres are inflated correctly, the warning often clears automatically after a few minutes of driving.

Step 2 – Access the Vehicle Menu and Locate the TPWS Option

If the pressure is correct but the warning light remains on, it’s time for a manual reset using the vehicle’s menu. The process is straightforward:

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• Turn on the ignition, but don’t start the engine.
• Use the arrow buttons on the steering wheel to navigate to Settings → Vehicle settings.
• Scroll down until you find TPWS (Tyre Pressure Warning System).
• Press OK or select Set to reset the system.
  This action teaches the car to recognize the new correct pressure levels as its baseline.

Key Details About the Reset Process

• Always perform the reset while the tyres are cold — avoid driving immediately after inflating them.
• Hold the Set or OK button until a confirmation message or flashing icon appears on the dashboard.
• Drive for a few minutes afterward to allow the system to calibrate the new readings.

What to Do if the Tyre Pressure Light Stays On

If the warning remains after following the above steps, consider these possibilities:

• Constant air loss: one tyre may have a small puncture or a faulty valve.
• Sensor issue: TPMS sensors have limited battery life and can fail over time.
• Calibration delay: sometimes the system needs a few minutes of driving to update readings.
  If none of these solve the issue, it’s best to visit a trusted service centre for a professional inspection.

Best Practices to Prevent Frequent Tyre Pressure Warnings

To keep the TPMS functioning properly and avoid false alerts:

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• Check your tyre pressure at least once a month and whenever temperatures fluctuate significantly.
• Use a high-quality pressure gauge to ensure accuracy.
• Avoid driving at high speed immediately after inflating cold tyres, as pressure rises when they warm up.
• Have the TPMS sensors, valves, and batteries checked periodically, especially as your vehicle ages.

Step-by-Step Summary

Conclusion

As automotive maintenance experts, we always recommend starting with the simplest step: verifying your tyre pressures before attempting a reset. In most cases, properly inflating your tyres and manually resetting the TPMS solves the problem quickly.
However, if the light persists, don’t ignore it — it could indicate a deeper issue such as a leaking tyre or a failing sensor.

This guide helps you handle the process easily, ensuring your Toyota Yaris Cross remains safe, efficient, and free of annoying dashboard warnings.

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