The passenger window suddenly fell to the open position. The plastic window regulator button, that slides in the channel that attaches to the glass, split into two halves. This button attaches to the regulator with a small flat blade that runs through the middle of the button. This flat blade is two parts that are bent in opposite directions which holds the button to the traveling portion of the regulator mechanism. Think of it like the metal closure on a paper envelope. The question to you all is: In order to slide on a new button, will it be okay to straighten the two halves of the blade and then re-bend them after the new button is on? Or, will this bending and re-bending work harden the material and cause it to fail?
Here is a picture of the cracked button:
Here is a parts diagram showing the location of the button in the regulator:
