ECM Reprogramming

WARNING: This page is about a different car, the 2011 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.

If the engine control module (ECM) needs to be reprogrammed, refer to Service Programming System (SPS) .
Engine Oil Life Remaining-When available, use a scan tool to reset the Engine Oil Life Remaining back to the original percentage recorded before the module was reprogrammed.