Keypad Microphone Signals
Onstar Schematics: (2.6) Keypad Microphone Signals:
"For a description of the RPO Code(s) shown in this article or any of the images therein, refer to the RPO Code List found at Vehicle/Application". RPO Codes
"For a description of the RPO Code(s) shown in this article or any of the images therein, refer to the RPO Code List found at Vehicle/Application". RPO Codes