Parking Sensors False Warning - Porsche Macan Forum
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post #1 of 30 (permalink) Old 12-10-2015, 01:34 AM Thread Starter
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Default Parking Sensors False Warning

Parking sensors have worked well for 1st 3 months ownership. Yes, overly sensitive re distance (OMG I’m 3 feet away from an object!) but, once you learn that, you can mostly ignore yellow & start paying attention when red.

1st false warning: 12-3-2015. In stop & go traffic & the “went crazy” with audio & yellow & red zone warnings, mostly in front (LF & RF on display) while the car in front of me was a full car length away! Lasted ~ 10-15 seconds.

2nd false warning: 12-9-2015: driving & LF red warning on screen along with loud warning for 5 seconds. No other cars near me!

Dealer found “nothing wrong” when had car in yesterday.

Has anyone experienced this?

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post #2 of 30 (permalink) Old 12-10-2015, 01:37 AM
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Check the license plate, if you have a holder in the front and it doesn't follow the bumper curve then it's probably the issue.

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post #3 of 30 (permalink) Old 12-10-2015, 01:53 AM
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I have the false alarm twice in 8 months of ownership and I don't have a front license plate.

So far I just ignore it. If it starts to happen more frequently to annoy me I will let dealer deal with it.

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post #4 of 30 (permalink) Old 12-10-2015, 02:07 AM Thread Starter
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No license plate or holder on front bumper.
Good thought though.

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post #5 of 30 (permalink) Old 12-10-2015, 02:10 AM
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Sometimes when going out our into driveways I get the warnings. Nothing in front. I think it's because of being on low setting with lowering module.

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post #6 of 30 (permalink) Old 12-10-2015, 04:53 AM
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I have had a couple of false alarms at the front and my best guess was the car in front's cold exhaust reflecting off my headlights or sun reflecting. I'm probably completely wrong but they are the only common denominators in my false alarms.
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post #7 of 30 (permalink) Old 12-10-2015, 06:15 AM Thread Starter
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Mine is set to low but has been for weeks b4 the 1st instance occurred.

Plenty of sunshine here & had not had this happen for 1st 3 months.

Porsche has no idea why or what to do to fix it.

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post #8 of 30 (permalink) Old 12-10-2015, 03:28 PM
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@iconoclast I get random alerts that last 1 or 2 seconds occasionally. I chalk it up to "Porsche doesn't do Fancy Electronics". And I can't really hear it over my music anyway.
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post #9 of 30 (permalink) Old 12-10-2015, 04:08 PM
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I hate when the alarm goes off when my driver door is still 2-3 feet away from the drive thru window! I actually wish that there was a way to turn off the sound and just watch the color change on the PCM screen. I may ask and see if the dealer can turn off the audible part next time I go in.

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post #10 of 30 (permalink) Old 12-11-2015, 03:26 AM Thread Starter
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@ mrt5150, Mine has always done that @ drive through windows too. Annoying but not a fault, just overly sensitive. Too bad they do not allow us to adjust sensitivity. I tend to only pay attention when it is RED.

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