Button LED Inoperative - OnStar

Diagnostic Chart:

TEST DESCRIPTION
This procedure is for diagnosing problems with the OnStar� button assembly. The following numbers refer to the steps in the table.
3. Determines if the OnStar� status LED has the necessary GRN LED signal circuit.
5. If the GRN LED signal is shorted to voltage then the OnStar� three button assembly has been damaged. The OnStar� three button assembly has to be replaced.