The 2020 Hyundai Sonata is a midsize sedan known for its stylish design, advanced technology, and comfortable ride. One critical aspect of vehicle maintenance that often gets overlooked is tire pressure. Proper tire pressure is essential for optimal performance, fuel efficiency, and safety.

Maintaining the correct tire pressure not only extends the life of the tires but also enhances handling and braking performance. This guide provides detailed tire pressure specifications for different trims and engines of the 2020 Hyundai Sonata, ensuring that you can keep your vehicle in peak condition.

2020 Hyundai Sonata Tire Pressure

Tire Pressure Table for Different Trim/Engine

Trim/Engine Front Tire Pressure (PSI) Front Tire Pressure (BAR) Rear Tire Pressure (PSI) Rear Tire Pressure (BAR)
SE 34 2.34 34 2.34
SEL 34 2.34 34 2.34
Limited 34 2.34 34 2.34
N Line 36 2.48 36 2.48

2020 Hyundai Sonata Tire Pressure Sensor Reset

The tire pressure monitoring system (TPMS) is an essential feature in the 2020 Hyundai Sonata that alerts you when tire pressure is low. However, after inflating the tires to the recommended pressure, the TPMS light may still flash. Resetting the tire pressure sensor is necessary to ensure the system functions correctly.

Steps to Reset Tire Pressure Sensor

  1. Check Tire Pressure: Ensure all tires are inflated to the recommended PSI.
  2. Turn on the Ignition: Insert the key and turn it to the “On” position without starting the engine.
  3. Locate the TPMS Reset Button: This is usually found under the steering wheel or in the glove compartment.
  4. Press and Hold the TPMS Reset Button: Hold it until the TPMS light blinks three times, then release it.
  5. Start the Engine: Turn the ignition to the “Off” position, then start the engine to complete the reset.

Tire Pressure Monitoring System Light Flashing

If the TPMS light continues to flash after resetting, it may indicate a malfunction in the system. Here are some potential reasons:

Issue Description
Low Tire Pressure One or more tires may still be under-inflated.
Faulty Sensor A tire pressure sensor may be damaged or malfunctioning.
Dead Battery The battery in one of the tire pressure sensors may need replacement.
System Malfunction The TPMS may require a diagnostic check for deeper issues.

What to Do if the Light Remains On


  • Inspect each tire for visible damage or punctures.

  • Recheck tire pressures with a reliable gauge.

  • Consult the vehicle’s manual for specific troubleshooting tips.

  • Visit a certified Hyundai dealer or mechanic for a diagnostic check.

Importance of Maintaining Proper Tire Pressure

Maintaining proper tire pressure is crucial for the overall performance and safety of your vehicle. Under-inflated or over-inflated tires can lead to various issues, including decreased fuel efficiency, uneven tire wear, and compromised handling. Proper tire pressure ensures that your tires make optimal contact with the road, providing better traction and stability.

Benefits of Proper Tire Pressure


  • Improved Fuel Efficiency: Correct tire pressure can enhance fuel economy by reducing rolling resistance.

  • Enhanced Safety: Properly inflated tires offer better handling and braking performance, reducing the risk of accidents.

  • Longer Tire Life: Maintaining the right pressure prevents uneven wear, extending the lifespan of your tires.

  • Better Ride Comfort: Proper inflation improves ride quality by absorbing road imperfections more effectively.

How to Check Tire Pressure

Checking your tire pressure is a simple task that can be done at home or at a gas station. Here’s how to do it:


  1. Gather Equipment: You will need a reliable tire pressure gauge.

  2. Check When Cold: Measure tire pressure when the tires are cold, ideally before driving.

  3. Remove Valve Cap: Unscrew the valve cap on the tire you want to check.

  4. Press Gauge onto Valve: Firmly press the tire pressure gauge onto the valve stem until you hear a hissing sound stop.

  5. Read the Pressure: Note the PSI reading on the gauge.

  6. Replace Valve Cap: After checking, replace the valve cap securely.

Useful Tips for Maintaining Tire Pressure


  • Regular Checks: Check tire pressure at least once a month and before long trips.

  • Use the Recommended PSI: Always refer to the owner’s manual or the label on the driver’s door for the recommended tire pressure.

  • Inspect Tires: Regularly inspect tires for signs of wear, damage, or punctures.

  • Inflate Properly: Use an air compressor to inflate tires to the recommended PSI, especially during seasonal changes.

  • Monitor Temperature Changes: Tire pressure can drop in colder weather; adjust accordingly.

By prioritizing tire pressure maintenance, you not only enhance your vehicle’s performance but also ensure your safety on the road.

Categories: Hyundai

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