LI82.70-P-064726_Ver_5 PDF

A service bulletin addressing issues with mobile phone call quality and voice control system misinterpretations in certain vehicle models. Complaints include difficulties in communication during calls and voice control misrecognition. Causes mentioned are microphone installation errors and wiring issues. Remedies involve verifying microphone placement, checking wiring, and replacing defective microphones if necessary. Fault codes and operational details for diagnostics are provided for specific models. The document also references wiring diagrams for head unit integration.