LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 2019 >> Bolt EV Premier >> Repair and Diagnosis >> External Pages >> Different car >> Section 1 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> OnStar Audio Malfunction >> Circuit/System Verification
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Circuit/System Verification

WARNING: This page is about a different car, the 2018 Chevrolet Bolt EV. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition - On/Vehicle - In Service Mode
  2. Ignition - On/Vehicle - In Service Mode - Infotainment System State - ON
  3. Verify the correct operation: All - Speakers - Audio = Clear sound
    • Go to next step: If the component works as specified 
  4. Perform a test call with OnStar and verify the OnStar advisor is heard clearly.
    • If the component does not work as specified 

      Refer to Circuit/System Testing.

    • Go to next step: If the component works as specified 
  5. All OK.
scientia non olet · About LEMON Manuals