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Home >> Chevrolet >> 2007 >> Uplander Base, 3.9 1 >> Repair and Diagnosis >> External Pages >> Different car >> Section 11 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> No (or Noisy) OnStar Audio >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2007 Chevrolet Monte Carlo and 2007 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON, radio ON, set volume to comfortable level and press OnStar Center Call button.
  2. Verify Connecting to OnStar message is heard clearly through the audio system.
    • If OnStar message is not heard, go to Circuit/System Testing.
  3. Tune radio to a known good station and verify that audio is heard clearly through all speaker channels.
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