Clean park sensor Warning

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Mar 15, 2024 | 03:10 AM

patrykrz

Thread Starter

1st Gear

Joined: Mar 2024

Posts: 1

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Clean park sensor Warning

Hello everybody

I have problem with my IS 300H '14 with parking sensors. I got warning "Clean park sonar" though all sensors are clean (i cleaned with toothbrush and WD40). Do you have any ideas how to check which sonar is damaged or how it repaired?

Best regards

Mar 15, 2024 | 05:58 AM

InveredMP

Instructor

Joined: Jul 2021

Posts: 777

Likes: 512

From: CA

A toothbrush and wd40 couldn't be two worse things to clean something on a car with... Honestly I wouldn't be surprised if you caused more damage.

Apr 20, 2025 | 09:11 AM

luck1223

3rd Gear

Joined: Jan 2024

Posts: 3

Likes: 0

From: mo

Local auto shop could not get into Lexus proprietary info so had to go to Lexus.

lexus ran diagnostics test and it came back that front sensor was not working.

replaced by Lexus $804.00.

Apr 21, 2025 | 01:26 PM

arentz07

Moderator

Joined: Nov 2016

Posts: 9,640

Likes: 4,812

From: GA

Quote:

Originally Posted by InveredMP

A toothbrush and wd40 couldn't be two worse things to clean something on a car with... Honestly I wouldn't be surprised if you caused more damage.

+1, for future reference, just use Quick Detailer type spray and a soft towel or just wash the car normally.

Even when my car is filthy, I never see such a warning, so I would suspect a fault somewhere with the sensor or downstream of it.