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Screeching noise when pulling away 2021 Touring Sport


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Hi,

My 2021 corolla touring sport has just started making a terrible screeching noise when pulling away or coming to a stop.

Dealer says this is the noise they have to make by law now but it's so loud my husband came running out of the house to see what was wrong.

It is so loud. Can anyone confirm if this is normal or there corolla makes this noise? 

I have just managed to attach a sound recording

Thanks

 

Corolla.mp3

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Presumably the dealer was referring to the Acoustic Vehicle Alert System (AVAS).

Legislation was introduced in 2019 which requires electric and hybrid vehicles with new Type Approval from July 2019 to be fitted with AVAS in order to make pedestrians aware of an approaching vehicle travelling at low speed. From July 2021, all new vehicles sold from this date will require AVAS to be a mandatory fitment.

AVAS is really aimed at protecting blind and visually impaired pedestrians, who may not see/hear vehicles travelling at low speeds whilst in electric mode.

Although the Corolla's Type Approval was prior to July 2019, it has now been fitted to 2021 specs in advance of the July deadline.

Also see:

 

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It sounds a bit raucous but isn't mechanical so I suppose it must be AVAS.

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Hi

Has this noise been since you had the car from new? To my ears it doesn't sound right, has the dealer actually heard it? 

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31 minutes ago, Revolver said:

Hi

Has this noise been since you had the car from new? To my ears it doesn't sound right, has the dealer actually heard it? 

It was silent when I first bought it. Mother in law even commented on how quiet it was as we pulled away from her.

Sent the dealer the sound clip and they say it is AVAS. They also said maybe it's never come on before today? 

Just sounds a bit too loud to me and doesn't make sense when it was previously so quiet.

Thanks for the reply 

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https://youtu.be/80VKMkrJ6CAIf this is the Toyota AVAS working surely it would not be louder than 1.8 / 2.0 petrol engine. I found the above link, again you shouldn't be hearing a loud noise from within the car. I would go to the supplier and ask to hear the AVAS on a demo car. 

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Sounds like a piglet being taken from its mother glad mine has not got it😂

 

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AVAS should work at any time the vehicle is travelling in electric mode at speeds up to approx 20kph.

I would suggest just sending the dealer a sound clip isn't the ideal way of determining whether this is the AVAS or something else. Arrange to visit the dealer so they can hear the issue and see what speed it comes in at.

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3 minutes ago, FROSTYBALLS said:

AVAS should work at any time the vehicle is travelling in electric mode at speeds up to approx 20kph.

I would suggest just sending the dealer a sound clip isn't the ideal way of determining whether this is the AVAS or something else. Arrange to visit the dealer so they can hear the issue and see what speed it comes in at.

It is booked in on Tuesday. I've asked to test drive another to see what noise that makes

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36 minutes ago, Revolver said:

https://youtu.be/80VKMkrJ6CAIf this is the Toyota AVAS working surely it would not be louder than 1.8 / 2.0 petrol engine. I found the above link, again you shouldn't be hearing a loud noise from within the car. I would go to the supplier and ask to hear the AVAS on a demo car. 

Thanks for that. I was trying to find a video of what it sounds like. It does sound like it could be that but it is so loud.

Will see what the dealer says on Tuesday. Odd how it has only started today. I pulled away from our parents at the weekend. Window down and nothing. Strange indeed.

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18 minutes ago, Rosgoe said:

Sounds like a piglet being taken from its mother glad mine has not got it😂

 

I don't blame you. It is an awful noise. Almost sounds like metal on metal and really loud!

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The noise clip is definitely the AVAS and as mentioned above it will only operate when the car is moving slower than 20kph and only in electric operation.

See example HERE & HERE

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I would have thought that Toyota Hybrids would incorporate the same beep beeping sound effects that all lorrys make when reversing because everyone knows and recognizes that sound. In my humble opinion it’s a better option. That sounds like a banshees wailing.🤣.

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