SOS error message PDF

A document that addresses troubleshooting steps for dealing with SOS error messages in certain vehicle models. It explores issues related to antenna connections, potential water ingress, and software coding for control units. The document includes detailed instructions on how to address these issues, including cleaning connectors and potentially changing coding from 'PRESENT' to 'NOT PRESENT'. It also describes a procedure to reset the system by manipulating the car's electrical system through specific actions with the ignition and headlights.