The 2012 Subaru Legacy is a reliable and versatile sedan that offers a comfortable ride and impressive performance. One crucial aspect of vehicle maintenance is ensuring that the tire pressure is kept at the recommended levels. Proper tire pressure not only enhances fuel efficiency but also improves handling and prolongs tire life.
Maintaining the correct tire pressure is essential for safety and optimal vehicle performance. This article provides detailed information on the recommended tire pressure for various trims and engine options of the 2012 Subaru Legacy.
2012 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) |
|---|---|---|---|---|
| 2.5i | 32 | 2.21 | 32 | 2.21 |
| 2.5i Premium | 32 | 2.21 | 32 | 2.21 |
| 2.5i Limited | 32 | 2.21 | 32 | 2.21 |
| 3.6R Premium | 30 | 2.07 | 30 | 2.07 |
| 3.6R Limited | 30 | 2.07 | 30 | 2.07 |
2012 Subaru Legacy Tire Pressure Sensor Reset
The tire pressure monitoring system (TPMS) in the 2012 Subaru Legacy is designed to alert drivers when tire pressure is too low. However, after adjusting tire pressure or replacing tires, the TPMS may need to be reset. If the TPMS light is flashing, it indicates a problem that needs attention. Here’s how to reset the tire pressure sensor effectively.
Steps to Reset Tire Pressure Sensor
- Check Tire Pressure: Ensure all tires are inflated to the recommended pressure as specified in the owner’s manual.
- Turn the Ignition On: Without starting the engine, turn the ignition key to the “On” position.
- Locate the TPMS Reset Button: This is usually found beneath the steering wheel or near the driver’s side dashboard.
- Press and Hold the Reset Button: Hold the button until the TPMS light blinks three times, then release it.
- Start the Engine: Turn the ignition to the “Start” position and let the vehicle run for a few minutes.
- Drive the Vehicle: Take the vehicle for a short drive at speeds above 25 mph to allow the system to recalibrate.
Tire Pressure Monitoring System Light Flashing
If the TPMS light continues to flash after following the reset procedure, it may indicate a malfunction in the system. Here are some common causes:
| Issue | Description |
|---|---|
| Low Tire Pressure | One or more tires are under-inflated, triggering the warning light. |
| Faulty Sensor | A malfunctioning tire pressure sensor may need replacement. |
| Battery Issues | The battery in the tire pressure sensor may be dead. |
| System Malfunction | There could be an issue with the TPMS itself requiring professional diagnosis. |
What to Do If the Light Remains On
If the TPMS light does not turn off after resetting, follow these steps:
- Recheck Tire Pressure: Confirm all tires are at the correct pressure.
- Inspect for Damage: Look for any visible signs of tire damage or leaks.
- Visit a Mechanic: If issues persist, consult a professional for a thorough inspection.
Importance of Maintaining Proper Tire Pressure
Maintaining proper tire pressure is crucial for the overall performance and safety of your vehicle. For the 2012 Subaru Legacy, correct tire pressure not only enhances fuel efficiency but also improves handling, stability, and braking performance. Under-inflated or over-inflated tires can lead to uneven tire wear, reduced traction, and increased risk of tire blowouts.
Furthermore, tires that are not properly inflated can negatively impact the vehicle’s fuel economy. Studies show that even a small decrease in tire pressure can lead to a significant increase in fuel consumption. Therefore, regular checks and maintenance of tire pressure are essential for both safety and cost-effectiveness.
How to Check Tire Pressure
Checking tire pressure is a simple process that can be done at home or at a service station. Follow these steps to ensure accurate readings:
- Gather Equipment: You will need a reliable tire pressure gauge. Digital gauges are often easier to read than analog ones.
- Check When Cold: Measure tire pressure when the tires are cold, ideally before driving. This gives the most accurate reading.
- Remove Valve Cap: Unscrew the valve cap from the tire you want to check.
- Press Gauge onto Valve: Firmly press the tire pressure gauge onto the valve stem. You should hear a brief hissing sound as air escapes, which is normal.
- Read the Gauge: Check the reading on the gauge. Compare it to the recommended tire pressure listed on the driver’s side door jamb or in the owner’s manual.
- Replace Valve Cap: After checking, replace the valve cap securely to prevent dirt and moisture from entering.
Useful Tips for Maintaining Tire Pressure
To ensure optimal tire pressure and prolong tire life, consider the following tips:
- Check Regularly: Inspect tire pressure at least once a month and before long trips.
- Use a Quality Gauge: Invest in a good quality tire pressure gauge for accurate readings.
- Monitor Temperature Changes: Tire pressure can fluctuate with temperature changes. Expect a drop in pressure during colder months.
- Rotate Tires: Regularly rotating your tires can help ensure even wear and maintain optimal performance.
- Be Aware of Load: Carrying heavy loads can affect tire pressure. Adjust accordingly based on your load.
- Seek Professional Help: If you notice persistent pressure loss or irregular tire wear, consult a tire professional for inspection.
By adhering to these guidelines, you can ensure that your 2012 Subaru Legacy operates safely and efficiently, providing a smoother and more economical driving experience.
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