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Discussion Starter · #1 ·
I had posted about this back in December. At this time, I'm going to get things repaired $$$

But I would still be interested to know if anyone else has experienced any park assist failures?

It's possible mine could have been related to extreme cold temps (Michigan). My assist never went on when I took out a nice chunk of my bumper. Have been holding off on getting it fixed since the weather has been nasty and also waiting to see if there were TSB's releated to this. Didn't see any on the list in the forum.

Just thought I'd see if others have had similar experiences in general or related to cold weather.
 

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Paul said:
Just thought I'd see if others have had similar experiences in general or related to cold weather.
With one exception, my park assist has functioned flawlessly. I really like it. The one exception (which wasn't really a failure; rather, a strange occurence)took place when the temperature was in the high 20's. We had an ice storm. The car was literally buried in a sheet of ice about an inch thick. After getting the windows clear, I gingerly took my car (with less than 300 miles at the time!) onto the icy roads....yeah, maybe it was stupid; but, I was responding to one of our primary urges...and it wasn't food. Anyway, as I approached a red light, braking very easily, I got a message saying "Park Assist Needs Service" or something to that purpose. The message was only up for a short time. It has never come back. Maybe it came on because the bumper, and most of the car, was covered in ice....but the wierd thing is: the car was in drive and, I believe, the system is only supposed to be activated in reverse (and maybe neutral).
 

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Yep, most likely due to the ICE. I had the same message come up during the numerous snow storms here in Boston. I would need to get out and clear the sensors to get rid of the message. What you saw was completely normal. I did notice that the rear sensors did not work very well when there were snowbanks behind me. It took a little longer than usual for the sensor to update. I have never had any problems when parking the car with a solid object behind me (i.e. a wall or other car). They have always worked flawlessly for that.
 

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Discussion Starter · #4 ·
I got the "Park Assist Needs Service" once too but not when I knocked out my bumper. The "Park Assist Needs Service" message came up on a real cold day and after a I shut the car off and then on again it was gone.

Also, there was not ice on my bumper just cold.
 

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But was there white road salt/gunk covering up the sensors? If those things get too dirty from normal winter driving, that can cause the message to appear.

It happened to me once this winter becasue of that.

JFF:D
 

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The owners manual stipulates that the sensors must remain clean in order for them to work properly. Maybe yours were dirty.
 

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Mine has worked great even when winter dirty. DO NOT RELY ON THIS TO KEEP FROM BACKING OVER A CHILD. THIS IS NOT THE SAME AS A REAR CAMERA. I placed a small bike behind mine and it failed to sense it. It is called "park assist" to assist parking vis a vis bumpers and poles.
 
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