To reset the 2015 Toyota Prius, please follow these instructions:
1. Press the “ENGINE START STOP” switch once (do not start engine) or turn ignition key to run (one position before starting engine).
2. Ensure Trip Metre A reading is shown. Turn the ignition off.
3. While holding the MPH or KM/H button turn the ignition on (do not start engine).
4. Continue to press and hold the button until the trip meter displays “000000” and the display indicates the reset is complete.
5. Turn the ignition off and then start the engine to verify the indicator has been reset.