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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> Body & Frame >> Sun Roof/T-Top/Convertible Top >> Sunroof System >> Diagnostic Information and Procedures >> Power Sunroof/Sunshade Malfunction >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON.
  2. Verify the sunroof opens and closes when pressing the open and close sunroof switch.
    • If the sunroof does not open or close 

      Refer to Circuit/System Testing.

    • If the sunroof opens and closes 
  3. Verify the sunroof opens and closes to the vent position when pressing the open and close sunroof vent switch.
    • If the sunroof does not open or close to the vent position 

      Refer to Circuit/System Testing.

    • If the sunroof opens and closes to the vent position 
  4. All OK.
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