The 2021 Lexus RX 350 is a luxury SUV designed for comfort and performance. One crucial aspect of vehicle maintenance is ensuring that the tire pressure is at the recommended levels. Proper tire pressure not only enhances fuel efficiency but also ensures safety and optimal handling.
Maintaining the correct tire pressure is vital for the longevity of your tires and the overall driving experience. This article provides detailed information on the recommended tire pressures for various trims and engine options of the 2021 Lexus RX 350.
2021 Lexus RX 350 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) |
|---|---|---|---|---|
| RX 350 FWD | 35 | 2.41 | 35 | 2.41 |
| RX 350 AWD | 35 | 2.41 | 35 | 2.41 |
| RX 350L FWD | 35 | 2.41 | 35 | 2.41 |
| RX 350L AWD | 35 | 2.41 | 35 | 2.41 |
2021 Lexus RX 350 Tire Pressure Sensor Reset
If the tire pressure monitoring system (TPMS) light is flashing on your 2021 Lexus RX 350, it indicates that there is an issue with the tire pressure sensors or that the tire pressure is not at the recommended levels. Resetting the tire pressure sensor is essential to ensure proper monitoring of your tire pressure. Here’s how to do it.
Steps to Reset the Tire Pressure Sensor
- Check the tire pressures of all four tires, including the spare if applicable. Adjust them to the recommended PSI.
- Turn the ignition key to the “On” position without starting the engine.
- Locate the TPMS reset button, usually found beneath the steering wheel or in the glove compartment.
- Press and hold the TPMS reset button until the TPMS light blinks three times, then release it.
- Start the engine and wait for a few minutes. The TPMS light should turn off, indicating a successful reset.
Troubleshooting Flashing TPMS Light
If the TPMS light continues to flash after resetting, follow these troubleshooting steps:
- Verify that all tire pressures are correctly set.
- Inspect each tire for visible damage or leaks.
- Check the battery of the tire pressure sensors, as they may need replacement.
- Consult the vehicle’s manual for specific diagnostic codes if the issue persists.
TPMS Light Indicators
| Indicator | Description |
|---|---|
| Solid TPMS Light | Tire pressure is low in one or more tires. |
| Flashing TPMS Light | TPMS malfunction or sensor issues. |
| TPMS Light Off | All tire pressures are within the recommended range. |
Importance of Maintaining Proper Tire Pressure
Maintaining the correct tire pressure is essential for the overall performance and safety of your 2021 Lexus RX 350. Proper tire pressure affects various aspects of driving, including fuel efficiency, tire longevity, and vehicle handling.
Benefits of Proper Tire Pressure
- Improved Fuel Efficiency: Tires that are inflated to the correct pressure reduce rolling resistance, which can lead to better fuel economy.
- Enhanced Safety: Properly inflated tires provide better traction, handling, and braking performance, reducing the risk of accidents.
- Extended Tire Life: Maintaining the recommended tire pressure helps prevent uneven wear, prolonging the lifespan of your tires.
- Better Ride Comfort: Correct tire pressure contributes to a smoother ride, minimizing vibrations and discomfort for passengers.
How to Check Tire Pressure
Regularly checking your tire pressure is crucial to ensure they are within the recommended range. Follow these steps to check the tire pressure of your RX 350:
- Purchase a reliable tire pressure gauge if you don’t have one.
- Remove the valve cap from the tire you wish to check.
- Press the tire pressure gauge onto the valve stem firmly to obtain a reading.
- Note the PSI reading displayed on the gauge.
- Replace the valve cap securely and repeat the process for all tires, including the spare.
Useful Tips for Tire Maintenance
To ensure your tires remain in optimal condition, consider the following tips:
- Check Tire Pressure Monthly: Make it a habit to check your tire pressure at least once a month and before long trips.
- Inspect Tires Regularly: Look for signs of wear, damage, or foreign objects lodged in the tread.
- Rotate Tires: Rotate your tires every 5,000 to 7,500 miles to promote even wear.
- Monitor Temperature Fluctuations: Tire pressure can change with temperature, so check more frequently during seasonal changes.
- Use the Recommended PSI: Always inflate your tires to the manufacturer’s recommended pressure, which can be found on the driver’s side door jamb.
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