Published: June 26, 2026
Quick Answer: How to Reset TPMS on Hyundai Bayon
Most Hyundai Bayon models use an indirect TPMS. The simplest reset method is to locate the TPMS "SET" button (usually a small black button with a tire icon below the steering wheel or inside the glove box), press and hold it until the warning light blinks three times, then drive for 10–20 minutes. If your model lacks this button, you can reset it via the instrument cluster menu using the steering wheel controls.
Required Tools & Setup
Before you attempt a reset, ensure you meet these conditions. A reset will fail if the system detects a current pressure issue or if the tires aren’t properly inflated.
- Proper Tire Pressure: Inflate all four tires to the PSI listed on the driver’s side door jamb sticker. Most Hyundai Bayon models specify 32–36 PSI for cold tires. Do not use the maximum pressure printed on the tire sidewall — that’s a limit, not a recommendation.
- Cold Tires: For accurate readings, check and adjust pressure when the tires are cold (meaning the vehicle has not been driven for at least 3 hours). Driving heats the air inside, raising readings by a few PSI.
- Key Position: Place the ignition in the "ON" position (engine can be running or off, depending on the method). If your Bayon has a push-start button, press it twice without your foot on the brake to reach "ON" mode.
Method 1: Using the TPMS Reset Button (Most Common)
This is the standard procedure for Bayon models equipped with a physical reset button. The button tells the system to learn the current tire pressures as the new baseline.
Step-by-Step Instructions
- Safely park the vehicle on a level surface and engage the parking brake.
- Turn the ignition to the "ON" position. You don’t need to start the engine, but leaving it running won’t hurt.
- Locate the TPMS reset button. Look for a small button with a tire icon (or the words "SET" or "TPMS") under the steering wheel, on the lower left dashboard panel, or inside the glove box. In some Bayon trims, it’s hidden behind a removable panel near the fuse box.
- Press and hold the button for 3 to 5 seconds. I find that holding it for 5 seconds works most reliably.
- Watch for the confirmation signal – the low tire pressure warning light on the dashboard should blink three times and then turn off. If it doesn’t blink, release and try holding it for another 3–7 seconds.
- Drive to complete the calibration. Drive the Bayon at speeds above 15 mph for at least 10–20 minutes. The system needs wheel rotation data from the ABS sensors to establish a new baseline. You’ll know the reset succeeded when the TPMS light stays off.
Method 2: Using the Instrument Cluster Menu (No Reset Button)
Some Hyundai Bayon models omit the physical reset button. In that case, you’ll reset TPMS through the dashboard display.
Step-by-Step Instructions
- Press the Engine Start/Stop button twice (without your foot on the brake) to enter "ACC" or "ON" mode.
- Access the User Settings menu by pressing the MODE or PAGE button on the right side of the steering wheel.
- Navigate with the arrow keys. Scroll down until you highlight "User Settings" and press the OK/ENTER button to select it.
- Scroll to find "Tire Pressure Monitoring System" or simply "TPMS". Its exact name may vary slightly by model year.
- Select the "Reset" option within the TPMS submenu.
- Confirm by pressing "OK" or "ENTER". The display may show "Tire Pressure Reset Completed" or a similar confirmation message.
- Drive for 10–15 minutes at speeds above 15 mph to finish the calibration cycle.
Method 3: Re-inflation Deflation Method (Alternative Reset)
If both the button and menu methods fail, the indirect TPMS can sometimes be forced to relearn by manually changing the tire pressure itself.
Step-by-Step Instructions
- Over-inflate all four tires to about 40 PSI.
- Deflate each tire back down to the recommended cold PSI (e.g., 34 PSI).
- Drive the vehicle for 2–3 miles. The wheel speed sensors detect the pressure change (because the tire’s rolling radius shifts) and should automatically reset the baseline.
This method works because the indirect system monitors the relative rotation speeds of the tires. A sudden, uniform change across all four tires mimics the kind of pressure-normalization event that triggers a relearn. It’s not a guaranteed fix, but it’s worth a try if you’re stuck.
Troubleshooting Common Reset Failures
If the TPMS light stays on or continues to flash after your reset attempt, work through these checks:
- Inspect each tire for physical damage. Look for nails, screws, cuts, or bulges. Even a slow leak will prevent a successful reset because the system detects that wheel is rotating slightly faster than the others.
- Check the spare tire (if your Bayon is equipped with one). Some models monitor the spare as a fifth sensor. Ensure it’s inflated to the pressure listed in your owner’s manual.
- Battery drain in the sensor – Wait, the Bayon uses indirect TPMS, so there are no in-wheel sensor batteries. But if your model has a spare tire sensor (rare on the Bayon), its battery could be dead. For direct TPMS sensors, batteries last 5–10 years. If your Bayon’s TPMS light flashes continuously for 60–90 seconds at startup, it signals a system fault – not a dead sensor.
- Reset sequence timing matters. The drive period must be at least 10–20 minutes. Short trips under 5 minutes may not allow the system to complete calibration. Take the car for a proper loop around town.
- Check the TPMS fuse. The fuse box under the dash often includes a fuse labeled "TPMS" or "T/PRESS". A blown fuse will make the reset button unresponsive. Replace it with a fuse of the same amperage.
When to See a Professional
You likely need a professional diagnostic scan tool if:
- The reset fails after multiple attempts using all three methods.
- The TPMS light blinks constantly (60–90 seconds after startup) – that indicates a system malfunction, not simply low pressure.
- You’ve recently swapped between winter and summer tires. The indirect system may require a complete recalibration using a dealer-level scanner if the tire sizes differ.
- The light came on immediately after a tire rotation or replacement, and the manual methods don’t clear it.
A good independent shop or Hyundai dealer can quickly run a TPMS diagnostic and reset the system with a scan tool. For more details on scanning tools and diagnostics, check out our guide on [link to related guide on OBD scanners for Hyundai vehicles].
Frequently Asked Questions (FAQ)
Why did my TPMS light come on if the tires look fine?
A small temperature drop of about 10°F can reduce tire pressure by roughly 1 PSI. The TPMS is sensitive to these subtle changes. The tires may look normal at a glance, but the system detected a pressure shift below the threshold. Always use a gauge to verify.
Can I reset TPMS without driving?
No. The Hyundai Bayon’s indirect TPMS requires wheel rotation data from the ABS sensors to establish a new baseline. Driving is mandatory for calibration. Simply pressing the button or resetting via the menu won’t complete the process.
How often should I check tire pressure?
At least once a month and before long trips. Relying solely on the TPMS light is risky – the light only turns on when pressure drops about 25% below the recommended level. Regular manual checks keep you safe and improve fuel economy.
The TPMS light is flashing. What does that mean?
A flashing light for 60–90 seconds at startup indicates a system fault or a dead sensor battery (if your Bayon uses direct sensors). It will likely not reset until the problem is fixed. Have a professional diagnose it.
Does the Hyundai Bayon use direct or indirect TPMS?
The Bayon uses an indirect TPMS system. It does not have physical pressure sensors inside the valve stems. Instead, it uses the anti-lock brake system’s wheel speed sensors to detect differences in rotation speed caused by low pressure. That’s why driving is necessary for recalibration.
Will rotating my tires trip the TPMS?
Usually no, but some Bayon models may require a reset after a tire rotation to recalibrate. If the light comes on after a rotation, simply perform the reset procedure from Method 1 or 2 – no special tools needed.
Can I use an aftermarket tool to reset the TPMS?
No. Because the system is indirect, generic TPMS reset tools (which are designed to trigger direct sensors) are ineffective. Only the button, instrument cluster menu, or the re-inflation method will work. For more on TPMS tools, see [link to article about TPMS reset tools and their limits].
What if my Hyundai Bayon has a TPMS reset button but holding it does nothing?
Check the fuse box under the dash for a blown TPMS fuse. It’s typically labeled "TPMS" or "T/PRESS". If the fuse is good, try the instrument cluster menu method instead. If that also fails, the TPMS module itself may need a dealer update.
About the Author: Erwin Salarda is an Automotive Service Equipment Technician based in the Philippines, specializing in computerized automotive diagnostic equipment such as OBD scanners and wheel alignment systems. Since 2012, he has been actively providing technical support, equipment installation, troubleshooting, after-sales service, and hands-on training for automotive service equipment used by workshops and automotive professionals.
He has received specialized training from international suppliers and manufacturers, including Launch X431 in Shenzhen, China, Lawrence Engineering Company in Guangzhou, China, and 3Excel Wheel Alignment Company in Shenzhen, China. Through these trainings, he developed advanced expertise in automotive diagnostics, calibration, wheel alignment systems, and computerized automotive service technologies.
Erwin Salarda provides professional after-sales support and technical training for automotive diagnostic and wheel alignment equipment, helping clients maximize the performance and proper use of their tools and systems. His experience covers equipment setup, software updates, calibration procedures, troubleshooting, and operational guidance for automotive workshops and service centers.
With more than a decade of experience in the automotive equipment industry, Erwin Salarda continues to support automotive businesses by delivering reliable technical expertise and practical training solutions.
For inquiries and equipment purchases, please visit https://carlifterph.com/
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