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Discussion Starter #1
My Colorado recently started honking 3 times whenever the doors are closed. Does anyone know how to fix this?
 

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Closed, or locked?

There are horn honking options available when using the remote key fob.

Check the owners manual
 

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Discussion Starter #3
Closed, or locked?

There are horn honking options available when using the remote key fob.

Check the owners manual
It happens whenever I shut the doors closed. I've looked through the manual and I couldn't find anything about it.
 

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Ok then, could it be because the truck shakes a bit when the door closes?
Maybe the horn relay?
 

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2000 Silverado Z71 4x4 5.3L 460k+ miles w/ GM rebuilt motor and trans
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Check the dashboard user settings. The modern trucks (sister has a 2019) beep when you close the door, so it's normal. Might have something to do with the proximity lock settings, too.
 
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