Prius Beeper disable

To eliminate the beeps from seatbelts and reverse, follow these steps:

1. Power on the car ( IG-ON or READY) and using the Trip/ODO button, make sure ODO is displayed (not Trip A or Trip B).
2. Power off the car.
3. Now power on the car to READY (brake on).
4. Within 6 seconds of powering on, press and hold the Trip/ODO button for 10 seconds or more (there is no indication... just count)
5. WHILE STILL HOLDING ODO *after* the 10 seconds, shift the "gear" selector to R, then press the P button. Now release the Trip/ODO button.
6. If the last step was successful, "b on" or "b off" should be displayed in the location where the Odometer is normally displayed (front dash area). "b on" is beep on (default), and "b off" is beep off.
7. Press Trip/ODO to toggle the mode.
8. Power the car off to exit the toggle mode.
9. Good to go.

Note: The Repair manual page states that if the the 12v battery is disconnected, the beep will reset to the default of on, and this procedure will need to be performed again - I have confirmed this to be true!. The repair manual is not clear that Trip/ODO should remain depressed while performing the Reverse/Park action.

Additional Note: The driver and passenger seat belt reminder chime can be disabled or enabled (respectively, defaults are driver on and passenger off) using similar steps. Instead of shifting from P to R to P in step 6, simply buckle then unbuckle the appropriate seatbelt while continuing to depress the Trip/ODO button. Might want a helper for this one!

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