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2019-2021 Range Rover Sport
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Discussion Starter #1
When it rains hard, many of the cars we have, specifically BMW's, tend to have the frontal collision de-activated by heavy rain. It seems the water on the radar sensor causes it to temporarily break. This is also commonly posted on BMW threads.

On my RRS, this doesn't happen. So my question is, (1) why doesn't it happen? (2) Does it happen and just not let me know, or, is the radar set up some how superior and engineered around this?
 

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2019-2021 Range Rover Sport
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It has happened to me. Recently in Chicago they dumped so much salt on the roads that the front sensors were completely covered in a white film and I got the notice that the front collision system (and maybe other stuff) was not active. Click "OK" on the steering wheel and it goes away. Wiped the front camera and sensors at the next stop and all was good.

Seems to be better about it in the rain - have not had it happen under those circumstances.
 

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2019-2021 Range Rover Sport
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25 Posts
Discussion Starter #3
It has happened to me. Recently in Chicago they dumped so much salt on the roads that the front sensors were completely covered in a white film and I got the notice that the front collision system (and maybe other stuff) was not active. Click "OK" on the steering wheel and it goes away. Wiped the front camera and sensors at the next stop and all was good.

Seems to be better about it in the rain - have not had it happen under those circumstances.
is is really interesting. I can see the ultrasonic sensors being blocked by salt, very curious as to what RR does differently with the Radar that makes it more operational in wet weather. The unit does look different from what the MB and BMW's look like, I guess they source a different part.
 
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