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Home >> Buick >> 2012 >> Regal Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Steering Column Switches >> Secondary And Configurable Customer Control System >> Diagnostic Information and Procedures >> Radio Control Multi-Function Switch Malfunction >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON, radio ON.
  2. Press and/or scroll each of the buttons on the radio control switch.
  3. The cellular, entertainment and navigation (radio) should respond to desired function of the radio switch.
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