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Discussion Starter · #1 ·
I have just over 36,000 on my 2018 Altima and I encounter an intermittent issue with my frontal collision warning sytem turning off. It happens sporadically and only lasts for a few minutes after which it's fully functionality again. My Altima has had this issue since it was new. Has anyone else experienced a similar issue?
 

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ours is doing that now only 900 miles on it, radio looses presets, clock looses time once key is turned off, we had a 2013 maxima that was 10x the car that this one is
 

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If you get any raindrops on one they can easily do it. Rain scatters the radar return signal. It then shuts down for a bit.
 

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Discussion Starter · #6 ·
If you get any raindrops on one they can easily do it. Rain scatters the radar return signal. It then shuts down for a bit.
Mine does it whether it's rain or shine. But when it does rain it is constantly deactivating and reactivating even in very light rain.
 

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Mine does it whether it's rain or shine. But when it does rain it is constantly deactivating and reactivating even in very light rain.
Mine had same problem. This is a defect. Contact dealer for diagnostic service. Mine was replaced under warranty . Good luck.
 

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You didn't say the replacement cured the problem.................the owner manual clearly mentions it. Only somebody who does not understand how radar works thinks it should work 100% of the time. Even million dollar aircraft and billion dollar ships and the latest trick band weather radar have trouble in rain. Thinking Nissan can do better? Priceless.
 

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You didn't say the replacement cured the problem.................the owner manual clearly mentions it. Only somebody who does not understand how radar works thinks it should work 100% of the time. Even million dollar aircraft and billion dollar ships and the latest trick band weather radar have trouble in rain. Thinking Nissan can do better? Priceless.
I guess I don't know what your question/comment means. After they replaced the sensor, I don't have the erroneous occurrences anymore. Typically it only disables when it snows and I have snow or ice build-up on the front of my car. It seems to operate just fine at all other times. Nothing like it was before. Before it would just randomly go off in dry conditions--and frequently. Oddly, in this one location in my commute I could almost guarantee it would go off nearly each day. Anyway, the replacement fixed my problem.
 
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