Home » Toyota Prius » Toyota Prius Maintenance » 2009 Prius Fuel/Gas Meter Calibration Reset

If you ever have fuel meter issues… this is my suggestion.


  1. Ensure the vehicle is parked on a level surface, both front to back and side to side.
  2. Turn the ignition on and verify that “Trip A” is displayed on the odometer.
  3. Power down the vehicle.
  4. Keep your foot off the brake pedal.
  5. Press and hold down the Odo/Trip button.
  6. Press the Power button twice to turn the vehicle to IgOn mode (not Ready mode).
  7. Quickly turn the Odo/Trip button off and then back on three times within five seconds.
  8. Continue holding down the Odo/Trip button until a 6-digit code appears on the display.
  9. Release the Odo/Trip button, then press and hold it again for another 5 seconds. The 6-digit code will change to a 5-digit code.
  10. When the middle digit of the 5-digit code changes to “1”, release the Odo/Trip button. The odometer will return to its normal reading.

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