300h noise on backing up?

Asked by lbeck02 Sep 30, 2020 at 11:35 PM

Question type: Maintenance & Repair

New to 300h and hybrids.  I just bought a 300h and on backing up I hear what
seems to be a scraping noise - like disk brakes??

Is this normal?

4 Answers
20

Traci answered 4 years ago

I bought my new Lexus 300h last week and it is doing the same thing! I'm calling the dealer today.

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45

john_althen answered 3 years ago

According to Lexus there is a new law that the electric/hybrid cars have to make a noise when in electric mode so that people can here them. Why it has to be an annoying noise though...... I have a LC500H and it is embarrassing when you goi to back up on a quiet street or out of your driveway. In England the busses are electric and to many people were getting hit by busses so they had to add a noise to them for people to here but it sounds like a motor, not a horrific noise like Lexus did!

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50

LexusMaster_tech_tal... answered 2 years ago

This is a normal noise caused by the Hybrid transmission to give the driver an audible alert that they are in reverse. This also lets the driver know they are not in drive and make the mistake of going backwards when intended direction is forward in the case they thought they shifted to drive but didnt fully engage drive selector. There is no way to lower or turn off this noise as it is part of the hybrid transmission internal electric motors.

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