How to disable the 2016 prius noise maker

the noisemaker is the proximity detector. i think you got the right one. did you try moving the car with it disconnected?
the warning is new though. perhaps it's a law now? idk, but maybe you can complete the circuit to keep the error off the screen.

 

Probably need to wire in a resistor, similar to bypassing an airbag warning light.

 

I would think that a proximity detector would detect something-- like a parked car you are about to bump into or a pedestrian. Doesn't the noisemaker always operate when the ICE is off and you are running at low speeds?

 

yes. but in this case, i could be wrong, but i think toyota calls it proximity something, in relation to pedestrians.

 

google found a 2012 engadget article introducing toyota's 'proximity notification system'.

 

Used to be in the area in front of the driver's side wheel well. Did you look there?

 

Probably easiest to look from below, there's usually a removable cover under the corners.

 

I'm trying to locate this thing to get it unplugged too (the speaker). It's called Vehicle Proximity Notification System by Toyota..
Do you have any update on it's location? I "think" the one you found, unplugged and it gave you a warning may be the actual detecting sensor...we need to unplug the speaker. Thanks

 

What kind of horn did you replaced with? Was it plug n play. I never like this wimpy horn sound.

 

Great, thanks

 

I'mjP

The thing you unplugged is the speaker. Looks like Toyota put a check in 2016. Will probably need to wire in a resistor to trick the ecu if you want to unplug it and not having that "see dealer" message. 2015 and older model doesn't have this check.

 

I'mJP figured it out here Vehicle Proximity Notification System | PriusChat