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Home >> Buick >> 2017 >> Cascada Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Cellular System, Entertainment System, And Navigation System >> Diagnostic Information and Procedures >> Radio Controls Malfunction >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON, A11 Radio ON.
  2. Verify that all A22 radio controls operate and perform the correct function.
    • If some, but not all, controls operate normally. 

      Replace the A22 Radio Controls.

    • If all controls are inoperative. 

      Refer to Circuit/System Testing

    • Go to next step: If all radio controls operate and perform the correct function. 
  3. All OK.
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