Ceramic coatings and parking sensors

Hello Everyone,

A local car club I am apart of had an interesting topic. Ceramic coatings and sensors. One person was stating that a ceramic should be done around a sensor (for acc, parking, lane assist) instead of over it in blaming a recent install from some shop as to why their cars sensors were no longer working. I am not a pro, but I found this rather shocking to hear as I have done my own cars with a 9h ceramic's before without issues to the sensors functionality. This kind of got me curious for future knowledge on a couple of things. One, do you install ceramics over sensors or around? Two, if a ceramic does block a sensor then how does it do it?

Sorry for the off topic post, but I am curious lol.

Sean

Not off topic at all.

I coat over them. Have never had a coating adversely affect a sensor.

I agree with @NastyGT500 - sensors on my wife's BMW 340ix are fully coated and we've never had problems with any of their functionality.

Well that is good to know I am not crazy then lol. I thought it was weird when I heard that ceramics impede sensors.


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The sensors on my G-70 are ceramic coated and I have zero issues with them. That person's statement about not coating the sensors makes absolutely no sense at all.

Thank you for the responses everyone!

CobraBob said:

The sensors on my G-70 are ceramic coated and I have zero issues with them. That person's statement about not coating the sensors makes absolutely no sense at all.

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If you don’t mind me asking, any reason why it doesn’t make sense? My thought is a Ceramic does not contain anything that would impede a sensors ability to read (like metals) and they aren’t thick enough anyways.


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Were they saying that the coating was preventing the sensor from "seeing" so it wouldn't go off?

Or were they saying it was giving false alarms when there was nothing there?

Either way, that shouldn't happen. If the sensors were so sensitive that they didn't work with 2 microns of clear coverage, they would never work with any sort of dust buildup.

AustinJ427 said:

Were they saying that the coating was preventing the sensor from "seeing" so it wouldn't go off?

Or were they saying it was giving false alarms when there was nothing there?

Either way, that shouldn't happen. If the sensors were so sensitive that they didn't work with 2 microns of clear coverage, they would never work with any sort of dust buildup.

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The person stated that the ceramic coating was preventing the sensor from seeing anything and it gave a warning message that it couldn’t read anything. Considering it was the little brother of one of my cars and some of my families cars I am going to say the sensors are virtually identical. I have never come across this issue.

I applied ceramic coating over the sensors and zero issues so far.