LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2007 >> STS Base, 4.6 A, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Entertainment Systems >> Cellular System, Entertainment System, And Navigation System >> Diagnostic Information and Procedures >> Microphone Inoperative - Caller Cannot Be Heard >> Circuit/System Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Circuit/System Description

The OnStar® vehicle communication interface module (VCIM) receives an audio input signal from the cellular microphone.

scientia non olet · About LEMON Manuals