The 2018 Subaru Legacy is a mid-size sedan known for its reliability and performance. One of the critical aspects of vehicle maintenance is ensuring the tires are inflated to the correct pressure. Proper tire pressure not only enhances fuel efficiency but also contributes to safety and optimal handling.
Maintaining the right tire pressure is essential for the longevity of the tires and the overall performance of the vehicle. The recommended tire pressure can vary based on the trim and engine type, making it important for owners to refer to the correct specifications for their specific model. Below is a comprehensive table detailing the tire pressure requirements for various trims and engines of the 2018 Subaru Legacy.
2018 Subaru Legacy 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) |
|---|---|---|---|---|
| Legacy 2.5i | 33 | 2.3 | 32 | 2.2 |
| Legacy 2.5i Premium | 33 | 2.3 | 32 | 2.2 |
| Legacy 2.5i Limited | 33 | 2.3 | 32 | 2.2 |
| Legacy 3.6R Limited | 33 | 2.3 | 32 | 2.2 |
2018 Subaru Legacy Tire Pressure Sensor Reset
The tire pressure monitoring system (TPMS) is a crucial feature in the 2018 Subaru Legacy, designed to alert drivers when tire pressure is too low. Occasionally, the TPMS light may flash, indicating that the system needs to be reset. This can happen after adjusting tire pressures or replacing tires. Knowing how to reset the TPMS can save time and ensure that your vehicle operates safely.
Steps to Reset the Tire Pressure Sensor
To reset the tire pressure sensor, follow these steps:
- Ensure all tires are inflated to the recommended pressure.
- Turn the ignition key to the “ON” position without starting the engine.
- Locate the TPMS reset button, usually found beneath the steering column or on the dashboard.
- Press and hold the reset button until the TPMS light blinks three times.
- Release the button and turn off the ignition.
- Start the engine and check if the TPMS light has turned off.
If the light remains on or continues to flash, further inspection may be required.
Tire Pressure Monitoring System Light Issues
If the TPMS light is flashing, it may indicate a malfunction within the system. Here are some common reasons for this issue:
| Issue | Description |
|---|---|
| Low Tire Pressure | One or more tires may be under-inflated, triggering the TPMS light. |
| Faulty Sensor | A malfunctioning tire pressure sensor can cause the light to flash. |
| Battery Issues | The sensor battery may be dead, requiring replacement. |
| TPMS Reset Needed | The system may need to be reset after tire inflation or changes. |
What to Do If the Light Does Not Turn Off
If you’ve followed the reset steps and the TPMS light remains illuminated, consider the following actions:
- Check all tire pressures with a reliable gauge.
- Inspect for any visible damage to tires.
- Visit a qualified mechanic to diagnose potential sensor issues.
- Consider having the TPMS system scanned for error codes.
Maintaining a functional TPMS is essential for safe driving and optimal vehicle performance.
Importance of Maintaining Proper Tire Pressure
Maintaining proper tire pressure is crucial for the overall performance, safety, and efficiency of your vehicle. Under-inflated or over-inflated tires can lead to various issues, including decreased fuel efficiency, uneven tire wear, and compromised handling. Moreover, incorrect tire pressure can increase the risk of tire blowouts, especially at high speeds. Regularly checking and adjusting tire pressure not only enhances safety but also prolongs the lifespan of your tires.
How to Check Tire Pressure
Checking the tire pressure on your 2018 Subaru Legacy is a straightforward process. Follow these steps to ensure your tires are properly inflated:
- Purchase a reliable tire pressure gauge if you don’t already have one.
- Ensure your tires are cold, as pressure readings can be inaccurate when tires are warm.
- Remove the valve cap from the tire you wish to check.
- Press the tire pressure gauge onto the valve stem firmly to get a reading.
- Note the pressure reading and compare it to the recommended tire pressure found in the owner’s manual or on the driver’s side door jamb.
- If the pressure is too low, use an air compressor to inflate the tire to the correct PSI. If it’s too high, release some air until you reach the recommended level.
- Replace the valve cap securely after checking.
Useful Tips for Maintaining Proper Tire Pressure
To ensure that your tires remain properly inflated, consider the following tips:
- Check tire pressure at least once a month and before long trips.
- Inspect tires visually for signs of wear, damage, or low pressure.
- Keep a portable air compressor in your vehicle for emergencies.
- Be aware that tire pressure can fluctuate with temperature changes; check pressure during seasonal transitions.
- Rotate your tires regularly to promote even wear and maintain proper pressure.
- Consider investing in a TPMS (Tire Pressure Monitoring System) if your vehicle does not have one, as it provides real-time pressure readings.
By following these guidelines, you can ensure that your 2018 Subaru Legacy’s tires are always in optimal condition, enhancing safety, performance, and fuel efficiency.
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