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Home >> Buick >> 2013 >> Verano Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 194 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> OnStar Audio Malfunction >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2012 Buick Verano. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON, radio ON.
  2. Verify that audio is heard clearly through all speaker channels when tuning radio to a known good station.
    • If audio is heard clearly 
  3. Verify that the Connecting to OnStar® message is heard clearly through the audio system when the OnStar® blue button is pressed.
    • If OnStar message is noisy or distorted 

      Refer to Circuit/System Testing below

    • If OnStar message is heard clearly 
  4. All OK.