"For your comfort, safety and security, OnStar technologies are now being directly integrated into your engine management unit. To ensure your safety even furt

"For your comfort, safety and security, OnStar technologies are now being directly integrated into your engine management unit. To ensure your safety even further, all protocols, wiring diagrams, instruction manuals and other materials are encrypted, obfuscated, and welded shut. Thank you for enjoying your OnStar Service!"