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Park Assist

Steveo

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I am having problems with my Park Assist on my 2020 Chevrolet Trail Boss. It started last year. If the temperature is less than 70 F I have no problems but above 70 it is intermittent and when it is above 75 it totally fails all the time? The Park Assist light goes out and I get the “Park Assist Blocked” message on my dash? Anyone else experience this problem? Winter time it works fine.
 
Usually when that happens to mine the sensors are really dirty. A car wash usually fixes the problem. I wish that was the case for all problems.

In freezing temperatures 30 below it does tend to go crazy.
 
Truck/windshield clean, not freezing here. Now the "forward collision alert" symbol is lit, as well as the "Lane assist unavailable" warning.
This thing falls apart looking at it.......
 
Got the front and rear park assist activated today. Both my previous Chevy’s that had front and rear park assist would activate a graphic in the DIC like attached to indicate distance. Both of these were LTZs. This does NOT occur in my trailboss. Nothing occurs moving forward until I’m less than 1ft from an object and I get a solid audible beep.

Called the installing dealer and Chevy, both said there are different versions of park assist. The person at Chevy even with my vin wasn’t sure which version I was supposed to have. My front and rear park assist on window sticker falls under Safety package. I had never heard of these “different versions” of park assist before.

Can anyone confirm that you can have park assist withOUT the graphic in the DIC? Maybe it’s an LT thing, or the better park assist falls under a different package (which is ridiculous if it does)?
 

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My system constantly said "Rear Park Assist Off", even when I'd take off from a stop. The dealer said its probably because I had previously been towing something. Dumbest thing I've ever heard. They replaced the sensor bezels, and of course that didn't work. They finally replaced all of the sensors, and it fixed the problem. Gotta love the dealer run-around.
 
My system constantly said "Rear Park Assist Off", even when I'd take off from a stop. The dealer said its probably because I had previously been towing something. Dumbest thing I've ever heard. They replaced the sensor bezels, and of course that didn't work. They finally replaced all of the sensors, and it fixed the problem. Gotta love the dealer run-around.
I installed my ball into the receiver last weekend to pull my boat and my rear assist started acting up as well. It's either a glitch in my Pulsar LT, or the hitch in the receiver (but I can't figure that out). Mine is intermittent so I don't think it has anything to do with the hitch. Might try to re-program the PLT and see if that helps.
 
There is a setting for when, what Chevy calls, a towbar is in use. Might use that and see if it helps. My hitch is in the reciever most of the time, I don’t mess with the setting, and I don’t have any issue.
 
I installed my ball into the receiver last weekend to pull my boat and my rear assist started acting up as well. It's either a glitch in my Pulsar LT, or the hitch in the receiver (but I can't figure that out). Mine is intermittent so I don't think it has anything to do with the hitch. Might try to re-program the PLT and see if that helps.
If I put a ball hitch on that sticks out far enough for the back-up camera to see, it shuts off the rear park assist.
 
If I put a ball hitch on that sticks out far enough for the back-up camera to see, it shuts off the rear park assist.
No way?? My hitch is quite long and sticks out a good bit. I am going to take it off this evening and see if that doesn't stop the fail message. Thanks very much for the info
 
Didn't find that option
From the homepage on the center touchscreen > settings > park assist > then either choose on, off, or on with towbar. It might not help your particular situation but worth a shot. I just leave mine on and haven’t had a problem, but I usually just have a single 2” ball on a 3” drop hitch and it doesn’t seem to bother it.
 
So glad I don't have any of that extra electronics. Where I go, I don't need it. Can't imagine all the lights and warnings going off. Only thing I wish I did have is a front camera. More times than not if you can't see the trail in front of you on top of a hill, you pray a lot!
 

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