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Home >> Hummer >> 2010 >> H3 Base, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 11 (Cellular Systems, Entertainment Systems & Navigation Systems) >> Diagnostic Information and Procedures >> Radio Poor Reception >> Circuit/System Verification
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Circuit/System Verification

WARNING: This page is about a different car, the 2010 GMC Canyon and 2010 Chevrolet Colorado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Inspect the antenna for proper mounting or physical damage.
    • If damage is found, repair or replace as necessary
  2. Radio ON, tune to several known FM, AM, and XM (if equipped) stations, and play a known good CD.