Button LED Inoperative - OnStar
TEST DESCRIPTIONSteps 1-10:
The following numbers refer to the steps or the diagnostic table.
3. Determines if the OnStar(R) status LED has the necessary GRN LED signal circuit.
5. If the GRN LED signal is shored to voltage then the OnStar(R) three button assembly has been damaged. The OnStar(R) three button assembly has to be replaced.