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Spurious front parking sensor warnings

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Old Jun 30th, 2022, 22:16   #1
GrahamHR
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Default Spurious front parking sensor warnings

Just today, the inner drivers side sensor is sometimes giving sporadic warnings (red indication, so = it thinks its very close). Nothing there. It's so loud I think it's a dangerous distraction when driving. Sensor is clean, the connector at the back seems well pushed on.

Sometimes it works fine like the rest of them ; detecting closer and closer obstacles with greens than finally a red warning/ sound. Any ideas/ experience about this ?

For an aid like this to make driving more dangerous when it malfunctions, it makes a mockery of Volvo's reputation for design for safety. Better surely that the default should be an error message, not an alarm.

Last edited by GrahamHR; Jun 30th, 2022 at 22:20.
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Old Jun 30th, 2022, 23:03   #2
SnineT
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Mine drive me crazy, I have to go down an alley and it's constant, I don't have the side ones either, when the RED block pops up on continuous tone I still have 15 inches to the wall, I know mines had replacements as some are 100% body coloured and a couple of others are body coloured but have a black outer ring where they've not been painted fully,

I also find the City Safe thing will find a parked car when I least need it to, normally as I approach a bend in the road, or curvature I should say,

Kinda negs their purpose tbh as you still have no idea how close you really are to things.
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Old Jul 1st, 2022, 02:00   #3
Ulrikas PA
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Originally Posted by GrahamHR View Post
Just today, the inner drivers side sensor is sometimes giving sporadic warnings (red indication, so = it thinks its very close). Nothing there. It's so loud I think it's a dangerous distraction when driving. Sensor is clean, the connector at the back seems well pushed on.

Sometimes it works fine like the rest of them ; detecting closer and closer obstacles with greens than finally a red warning/ sound. Any ideas/ experience about this ?

For an aid like this to make driving more dangerous when it malfunctions, it makes a mockery of Volvo's reputation for design for safety. Better surely that the default should be an error message, not an alarm.
Irritating yes, but I had 2 new VW s with emergency braking that deployed for absolutely no reason whatsoever. One of those was very dangerous because I had a car behind me at the time.
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Old Jul 1st, 2022, 18:14   #4
DT19
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I have exactly the same with one of my front sensors. It works perfectly but every now and again it beeps for no reason. I remember it first did it a couple of years ago when it was raining really heavily so I suspect water may be something to do with it. I've cleaned it, checked the connector, and sprayed it with some water repellent stuff but it still does it.
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Old Jul 1st, 2022, 22:49   #5
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It's fine today. I'll spray the sensor and plug/ wiring with silicone. shouldn't really need doing on a "quality" car,
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Old Jul 2nd, 2022, 10:10   #6
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I have exactly the same with one of my front sensors. It works perfectly but every now and again it beeps for no reason. I remember it first did it a couple of years ago when it was raining really heavily so I suspect water may be something to do with it. I've cleaned it, checked the connector, and sprayed it with some water repellent stuff but it still does it.
My Cross Country used to do the same, I’d be sitting in traffic and then my sensors would go mental showing something that wasn’t there…. It be Alien’s walk amongst us. Very strange

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Old Jul 2nd, 2022, 14:53   #7
Ulrikas PA
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We are talking about iffy sensors annoying us at parking speeds. They get dirty, or faulty.
We replace them or moan a bit. It happens.

Up the speed a bit to emergency assist / city braking sensors and it gets dodgy. I was lucky someone didn't run in the back of my premium model car.

Then go to autonomous driving and imagine faulty sensors then. The trouble is that we are a sensible bunch who will get faulty sensors sorted. Others wont.
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Old Jul 3rd, 2022, 10:25   #8
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We are talking about iffy sensors annoying us at parking speeds. They get dirty, or faulty.
We replace them or moan a bit. It happens.

Up the speed a bit to emergency assist / city braking sensors and it gets dodgy. I was lucky someone didn't run in the back of my premium model car.

Then go to autonomous driving and imagine faulty sensors then. The trouble is that we are a sensible bunch who will get faulty sensors sorted. Others wont.
Were we largely better off in the days before cameras and sensors were introduced on cars or do they provide a net benefit?

Also, are younger drivers more reliant upon sensors and, therefore, possibly a bit stuck when they fail, or do they cope?

Just a couple of thoughts from someone who used to manage without them but who does actually find them useful.
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Old Jul 3rd, 2022, 12:30   #9
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Were we largely better off in the days before cameras and sensors were introduced on cars or do they provide a net benefit?

Also, are younger drivers more reliant upon sensors and, therefore, possibly a bit stuck when they fail, or do they cope?

Just a couple of thoughts from someone who used to manage without them but who does actually find them useful.

Rear ones are handy, fronts not so much so they just add noise imo, new ones from the Bay are £23 or near that price anyway.
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