Disabling the AVAS

Thanks for the information.

I wonder if they put the louder 2020 system in your car by accident. Our 2019 is barely audible from inside the car with the windows up and I don’t believe it has ever been noticed by a pedestrian.

After your escapades, the quick fix would seem be to disconnect the plug and put some electrical tape on the ends. Quick, except for the 800 million snap connectors.

 

Our 2020 is much louder than our 2018. I also liked the 2018 sound more.

Thanks for the info. I hate that feature. I paid a lot of money to have a quiet car, then the government screws it up.

In 55 years of driving there has not been one time when the AVAS would have prevented an accident.

Even in a busy parking lot îf someone is not paying attention i just wait until they are out of the way. Having that sound is rude. If I do want to make the presence of my car known I can toot the horn.

The other thing is there are many ICE cars that are quiet. Why don't they have to have an AVAS?

 

First they came for the electric cars, and made our cars speak out...

 

I have a 19, I barely hear it.

 

It appears the more one dislikes the AVAS, the louder it sounds. I'm one of the minority who likes the Clarity's Acoustic Vehicle Alerting System. I also like the speed-varying Acoustic Pedestrian Protection sound from my compact, sporty BEV more than other owners.

 

I have a 20 and it’s pretty noticeable. The first time I test-drove the car I asked the saleswoman what the noise was. You can hear it with all the windows rolled up.

 

That is very true! I read a study which showed some gas engine cars to be just as quiet and even quieter than PHEV/EVs.

 

Thanks for the write-up. It will give me something to ‘experiment’ with. There are evidently people with very strong opinions on both sides of this issue so you can expect to get some very stern warnings if you talk about the subject much.

 

I wish we could change the sound at least. Benny Hill music. The theme from Star Wars. A barking dog.

 

I have had kids and adults run out from between cars and startled people in parking lots even with the artificial sound. Disabling it could open you up to a lawsuit if you hit someone given our fellow American litigating propensity. Although I doubt anyone would think to check the speaker operating state after an accident.


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Thanks to @Dr. Kris' hard work, we now know that the AVAS emitter is a simple speaker and there's a signal generator somewhere else. So to implement other sounds, one would have to either hack the signal generator (a simple matter of emailing Honda to obtain complete instructions) or build a waterproof box triggered by the AVAS signal that includes its own signal generator, amplifier, and speaker.

 

I’m not a sound engineer and I don’t play one on TV. I wonder if replacing the speaker with a resistor that is the same resistance, 4 ohm, 8 ohm, would fool the mothership into believing that the speaker was still connected?

 

I've heard of others successfully doing precisely that.

 

It sure would be sexy to find a male connector with 2 leads and solder the resistor to the leads. Either that or cut the wires to use the existing connector and splice it back together when you sell the car.

 

Might not be too tough to solder a SPST switch directly to the back of the speaker that would allow you to switch in either the speaker or the resistor load. I have been thinking a little about this too. My wife would probably get mad at me if I disabled the AVAS but perhaps I could use a relay circuit that is triggered by the LED on the automatic seat position switch. That way, it’s disabled when I drive it and enabled when she drives it. You could also take it a step further and close the switch that indicates the seat belt is plugged in.

 

Tesla Model Y lets you customize the sound... even makes exterior farting sounds.

 

Did this end up working with the 2 resistors? Wanting to do it on my '18 clarity