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Circuit/System Verification

WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON, A11 Radio ON.
  2. Verify the P17 Info Display Module turns on and information is shown on the display.
    • Go to next step: If the P17 Info Display Module turns on and information is shown on the display. 
  3. Verify that all radio controls operate and perform the correct function.
    • If some, but not all, controls operate normally. 

      Replace the appropriate A20 Radio/HVAC Controls or the A22 Radio Controls.

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