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Mechanical Sound When Putting into Reverse or Park

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Old Dec 3, 2020 | 01:27 PM
  #1  
MightyMau5's Avatar
MightyMau5
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From: VA
Default Mechanical Sound When Putting into Reverse or Park

Hi all,

Searched around but couldn't find exactly what I was looking for.
My car is a 2017 RX350 and I noticed a mechanical whining sound when placing my car into Reverse or back into Park from reverse and lasts about 1 second. It doesn't make the noise when Im putting the car into Drive.
The sound is coming from the bottom somewhere, I couldn't pinpoint exactly where. It almost sounds like the side mirror moving in and out or like an electric drill. Thats the best way I can describe it.
To be honest, it sounds like something that's "supposed" to happen, but I really don't know.

Anyone else notice this or have any ideas?

Thanks.
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Old Dec 3, 2020 | 02:20 PM
  #2  
AndrewTO's Avatar
AndrewTO
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Joined: Jul 2020
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From: Toronto, Canada
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Originally Posted by MightyMau5
Hi all,

Searched around but couldn't find exactly what I was looking for.
My car is a 2017 RX350 and I noticed a mechanical whining sound when placing my car into Reverse or back into Park from reverse and lasts about 1 second. It doesn't make the noise when Im putting the car into Drive.
The sound is coming from the bottom somewhere, I couldn't pinpoint exactly where. It almost sounds like the side mirror moving in and out or like an electric drill. Thats the best way I can describe it.
To be honest, it sounds like something that's "supposed" to happen, but I really don't know.

Anyone else notice this or have any ideas?

Thanks.
It's the electronic parking brake. It's located to the top left of the shifter, and if you see a light above the AUTO button, it means the electronic parking brake is engaging every time you put your vehicle into Park or disengaging when you move it out of Park.
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Old Dec 3, 2020 | 03:02 PM
  #3  
MightyMau5's Avatar
MightyMau5
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Joined: Dec 2020
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From: VA
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Originally Posted by AndrewTO
It's the electronic parking brake. It's located to the top left of the shifter, and if you see a light above the AUTO button, it means the electronic parking brake is engaging every time you put your vehicle into Park or disengaging when you move it out of Park.
Ahhhh thank you so much. My curiosity was driving me crazy haha. Thanks again!
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