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Old 05-13-2011, 07:28 PM
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Default Chevy Parking Assist / Disable

Ok, I recently bought a 2011 Chevy truck, and the Rear Parking Assist has me confused. It is the simple bumper mounted sensors with the button in the truck to disable it. Here is the thing; when I press the "disable" button, the button lights up, and the dashboard confirms that the "parking assist is disabled". However when I back up to and then tow the trailer, I get a "parking assist sensor blocked / see owners manual" error message. I can the press the "check mark" button on the left side of the dash to acknowledge to error, but why in the heck do they have the "disable" button if it doesn't seem to do anything, other than mute the warning beeps?

Does anyone else have this system, and is this how yours operates?? Am I missing something?
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Old 05-13-2011, 07:51 PM
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My wife's Armada has this - push the button to turn it off and it lights up (dim), push it again and enable. Can't say much more than that.
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Old 05-14-2011, 03:09 AM
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I have the same system on my 2011 GMC Denali and it does the same thing.
The most surprising aspect of the "parking assist" is that it won't work if I leave the hitch ballmount in the receiver. Odd, because most trucks have the ballmount attached 100% of the time. My previous GM vehicle was a 2007 Tahoe and its parking assist worked fine even with the ballmount . I think that the engineers need to rework this system.
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Old 05-14-2011, 06:17 AM
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Atleast I know I am not crazy, however what is the disable button for?

ReelWork, after disabling the system, it still gives the error message.
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Old 05-14-2011, 06:26 AM
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Quote:
Originally Posted by demjjm View Post
Ok, I recently bought a 2011 Chevy truck, and the Rear Parking Assist has me confused. It is the simple bumper mounted sensors with the button in the truck to disable it. Here is the thing; when I press the "disable" button, the button lights up, and the dashboard confirms that the "parking assist is disabled". However when I back up to and then tow the trailer, I get a "parking assist sensor blocked / see owners manual" error message. I can the press the "check mark" button on the left side of the dash to acknowledge to error, but why in the heck do they have the "disable" button if it doesn't seem to do anything, other than mute the warning beeps?

Does anyone else have this system, and is this how yours operates?? Am I missing something?
Assuming that you bought this new from a dealer, why not visit the dealership and ask them about it? If nobody knows, they should be able to find out for you.
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Old 05-14-2011, 06:41 AM
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I have an '07 Chevy. On mine (as long as I leave the reciever in the hitch) it stays disabled, which is fine. The problem here is that every time I start the truck I need to hit the check button to clear the warning that it's disabled off the dash.
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Old 05-14-2011, 04:00 PM
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I've got a 2010 tahoe. No problems at all if just the hitch is in. When I hook to a trailer or put in a hitch cargo carrier, I get the message it's blocked. I clear it off and go about my way. After you unhook the trailer or take the hitch carrier out, it resets itself and goes back to working properly after a few minutes.
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Old 05-15-2011, 06:14 PM
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ive got an 09. does the same thing. before i had the lift and drop down hitch the park assist would not work with the hitch in, now that its lower i guess its out of the way. weird design, nothings wrong
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Old 05-15-2011, 06:18 PM
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Originally Posted by LMychajluk View Post
I have an '07 Chevy. On mine (as long as I leave the reciever in the hitch) it stays disabled, which is fine. The problem here is that every time I start the truck I need to hit the check button to clear the warning that it's disabled off the dash.
08 Sierra and mine is the same way.
Just push the check to acknowledge the error and all is good.
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Old 05-17-2011, 07:53 AM
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It senses a trailer there and turns itself off. You can also manually turn it off with the button. If it "sees" your hitch while not towing, get a lower hitch with more drop and it will no longer see it
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Old 05-17-2011, 12:49 PM
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I understand how the system works, and how to clear the error message. The part that everyone is missing is "what is the disable button for?"

If I am in the driveway and hit the disable button, then I hook up the trailer, I still get the blocked error message and need to clear it. What does the disable button do? Why even have it?

from my first post .....

when I press the "disable" button, the button lights up, and the dashboard confirms that the "parking assist is disabled". However when I back up to and then tow the trailer, I get a "parking assist sensor blocked / see owners manual" error message. I can the press the "check mark" button on the left side of the dash to acknowledge to error, but why in the heck do they have the "disable" button if it doesn't seem to do anything, other than mute the warning beeps?
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Old 05-17-2011, 02:55 PM
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Quote:
Originally Posted by demjjm View Post
r, but why in the heck do they have the "disable" button if it doesn't seem to do anything, other than mute the warning beeps?

You're answering your own question. That's the whole point of the button--to turn off the beeps.
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Old 05-18-2011, 03:58 AM
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I agree that it isn't well thought out. I'd like to be able to select my own default settings for things like this. I want to leave my ballmount attached all the time and have accepted that my backup sensors won't work. Lowering the ball height makes it work but then my trailer is not level. A level trailer is much more important to me than the backup sensors.
Pushing the "P" button to deactivate it should do the trick but I imagine that GM's attorneys told the engineers to remind us with "parking assist sensor blocked / see owners manual"
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Old 05-19-2011, 09:43 AM
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Are you aware that you have to push the button on every ignition cycle to turn the system off? It comes back on by default, and if it's on and sees the trailer while going forward, the error message comes up because it thinks the system is broken.
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Old 05-19-2011, 01:43 PM
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Are you aware that you have to push the button on every ignition cycle to turn the system off? It comes back on by default, and if it's on and sees the trailer while going forward, the error message comes up because it thinks the system is broken.
I wish it was just based on ignition cycles. The 2011 GM system apparently is not. Also the service department was not aware how it worked until I showed them. Again in the same ignition cycle this is what happens .....

when I press the "disable" button, the button lights up, and the dashboard confirms that the "parking assist is disabled". However when I back up to and then tow the trailer, I get a "parking assist sensor blocked / see owners manual" error message. I can the press the "check mark" button on the left side of the dash to acknowledge to error, but why in the heck do they have the "disable" button if it doesn't seem to do anything, other than mute the warning beeps?


As "Mako" stated I guess the only point is to shut off the warning beeps, but in actuality you still get a warning and beeps for the blocked sensor error, even with the system disabled.... so go figure.
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Old 05-20-2011, 02:38 PM
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I guess I'm behind the times. The "parking assist" on my truck is the mirrors.
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Old 05-20-2011, 02:53 PM
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Can't you just pull the fuse out?
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Old 05-21-2011, 04:19 AM
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Quote:
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I guess I'm behind the times. The "parking assist" on my truck is the mirrors.
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Old 05-21-2011, 07:27 AM
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Pushing the "P" button to deactivate it should do the trick but I imagine that GM's attorneys told the engineers to remind us with "parking assist sensor blocked / see owners manual"
I think you're right on about the attorneys -- My 08 GMC has the park assist. I can't leave the ball hitch in, or I get the beeping.
When you plug in your trailer lights, the system should automatically disable the "beeps", but it will give you the "disabled" message, which you will need to acknowledge.
It's a system that was designed by engineers, run through the attorneys, and then programmed by the computer jocks.
I decided to disable mine with the button a few months ago. I backed into a concrete post -- $5500 for a new bumper / quarter panel.....
I leave my ball hitch off now, and tolerate the beeping.
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Old 05-27-2011, 05:22 AM
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I have a 2010 and it does the same thing and I hate it. The engineers at GM should be taken behind the wood shed and whipped with a leather strap. I'd like to just cut the thing off but I guess you cant.
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