You can reset the tire pressure sensor default light on a 2009 Ford Focus by following these steps:
1. Turn the ignition to the “ON” position without starting the engine.
2. Press and hold the “OK” button on the steering wheel until the message “Tire Pressure Sensor Default” appears on the display.
3. Press the “Up” or “Down” button on the steering wheel to select “Yes.”
4. Press the “OK” button to confirm the reset.
5. The tire pressure sensor default light will turn off.
Note: If the tire pressure sensor default light does not turn off after following these steps, you may need to have your vehicle serviced by a qualified technician.
