Button LED Inoperative - OnStar
TEST DESCRIPTIONSteps 1-10:
The numbers below refer to the step numbers on the diagnostic table.
3. Determines if the OnStar(R) status LED has the necessary Green LED signal circuit voltage.
5. If the Green LED signal is shorted to voltage then the OnStar(R) three button assembly has been damaged and the OnStar three button assembly must be replaced.