Here's how:
1. Check your tire pressure: Find the sticker on your driver's side doorjamb or in your owner's manual. This sticker specifies the recommended tire pressure for your vehicle (it will likely be different for front and rear tires). Use a reliable tire pressure gauge to check each tire's pressure, including the spare.
2. Inflate tires to the correct pressure: If any tires are below the recommended pressure, use an air compressor at a gas station or your own to inflate them to the correct pressure.
3. Drive the vehicle: After inflating the tires, drive the car for a short distance (a few miles) to allow the Tire Pressure Monitoring System (TPMS) to recalibrate.
4. Light should turn off: The low tire pressure warning light should turn off automatically once the system detects the correct tire pressure.
If the light remains on after inflating the tires and driving:
* Check for TPMS sensor problems: A faulty sensor in one or more tires can cause the light to stay on even with properly inflated tires. You'll likely need a tire shop to diagnose and replace any faulty sensors.
* Check for leaks: A slow leak might require patching or replacing the tire.
* Consult a mechanic: If you're unsure about any of these steps, it's best to consult a qualified mechanic to diagnose the issue.
Important Note: Ignoring a low tire pressure warning light is dangerous. Underinflated tires can lead to poor handling, reduced fuel efficiency, and increased tire wear. It's crucial to address this issue promptly.