Not 100% positive but on most GM vehicles you will have to spelunk under the
driver's side dash and there should be a plug-in piezo buzzer. Thats what
makes the chime. You should be able to remove it safely. I would not be
cutting any wires unless you know exactly what you are doing. Look also as I
replied in the other post you posted, behind the drivers side center panel.
It removes with velcro.

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marx404
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