Correct Subaru Winter Tire Pressure for Safety

Subaru vehicles are known for their reliability and performance, especially in challenging winter conditions. One critical aspect that drivers must consider is tire pressure, which can significantly affect vehicle handling, safety, and fuel efficiency. Proper tire pressure is essential for maintaining optimal traction and control on icy or snowy roads, making it crucial for Subaru owners to stay informed about the recommended tire pressure for their specific trim and engine type.

In colder temperatures, tire pressure can drop, leading to under-inflated tires. This can result in reduced grip and increased wear. Therefore, understanding the correct tire pressure for your Subaru during winter months is vital. Below is a detailed table outlining the recommended tire pressure for various Subaru trims and engine configurations.

Subaru Winter Tire Pressure

Tire Pressure Table for Different Trim/Engine

Subaru Winter Tire Pressure: Resetting the Tire Pressure Sensor

When the tire pressure monitoring system (TPMS) light on your Subaru dashboard starts flashing, it indicates a potential issue with tire pressure or the system itself. This can be concerning, especially during winter months when maintaining proper tire pressure is crucial for safety. Resetting the tire pressure sensor is a straightforward process that ensures your vehicle is operating optimally.

Steps to Reset the Tire Pressure Sensor

1. Check Tire Pressure:




• Use a tire pressure gauge to measure the air pressure in all tires.


• Ensure they are inflated to the recommended PSI as outlined in the previous section.




2. Turn on the Ignition:




• Insert the key into the ignition and turn it to the “On” position without starting the engine.




3. Locate the TPMS Reset Button:




• In most Subaru models, the TPMS reset button is located beneath the steering wheel or near the driver’s side door.


• Consult your owner’s manual if you have difficulty finding it.




4. Press and Hold the Reset Button:




• Press and hold the reset button until the TPMS light blinks three times, then release it.




5. Start the Engine:




• Start your Subaru and let it run for about 20 minutes to allow the system to recalibrate.




6. Check the TPMS Light:




• If the light remains on or continues to flash, repeat the process or consult a professional.

Tire Pressure Monitoring System Light Flashing

If the TPMS light is flashing instead of staying on, it typically indicates a malfunction in the system. Here’s how to troubleshoot this issue:

By following these steps and understanding the implications of a flashing TPMS light, Subaru owners can maintain proper tire pressure and ensure a safer driving experience during winter months.

The Importance of Maintaining Proper Tire Pressure

Maintaining proper tire pressure is essential for the overall performance and safety of your Subaru, particularly during winter months. Under-inflated or over-inflated tires can lead to various problems, including reduced traction, increased tire wear, and compromised fuel efficiency. In colder temperatures, tire pressure can drop significantly, making it vital for drivers to regularly check and adjust their tire pressure.

Effects of Incorrect Tire Pressure

• Reduced Traction: Low tire pressure can lead to a larger contact patch on the road, which may reduce grip, especially on slippery surfaces.
• Increased Tire Wear: Tires that are not properly inflated wear unevenly, leading to more frequent replacements.
• Poor Fuel Efficiency: Under-inflated tires create more rolling resistance, causing the engine to work harder and consume more fuel.
• Risk of Blowouts: Over-inflated tires are more susceptible to blowouts, especially on rough or icy roads.

How to Check Tire Pressure

Regularly checking your tire pressure is a simple yet effective way to maintain your vehicle’s performance. Follow these steps to ensure your tires are properly inflated:

1. Gather Your Tools: You will need a reliable tire pressure gauge and an air compressor.
2. Check the Recommended Pressure: Refer to your Subaru’s owner manual or the sticker located on the driver’s side door jamb for the recommended PSI.
3. Measure Tire Pressure:
   • Remove the valve cap from the tire.
   • Press the tire pressure gauge onto the valve stem firmly to get a reading.
4. Compare Readings: Check the reading against the recommended PSI. If it’s lower, add air; if it’s higher, release some air.
5. Repeat for All Tires: Ensure you check all four tires, including the spare if your vehicle is equipped with one.

Useful Tips for Maintaining Tire Pressure

• Check Pressure Regularly: Make it a habit to check your tire pressure at least once a month and before long trips.
• Inspect for Damage: Regularly inspect your tires for signs of wear, cuts, or punctures that could affect pressure.
• Use a Quality Gauge: Invest in a good quality tire pressure gauge for accurate readings.
• Adjust for Temperature Changes: Remember that tire pressure decreases in colder weather; check and adjust accordingly.
• Consider Seasonal Changes: When switching to winter tires, ensure they are inflated to the correct winter pressure as specified by the manufacturer.

By understanding the importance of maintaining proper tire pressure and following these guidelines, Subaru owners can enhance their vehicle’s safety, performance, and longevity, especially during challenging winter conditions.