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Home >> Buick >> 2004 >> Century Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 100 (Lighting Systems) >> Repair Instructions >> Daytime Running Lamps (DRL) Ambient Light Sensor Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the garnish molding from the left and right windshield pillars. Refer to Garnish Molding Replacement - Windshield Pillar in Interior Trim.
  2. NOTE: Use the following method to disengage the Head Up Display (HUD) retainers. Do NOT pry the retainers with a flat-bladed tool or other similar device.
    1. Disengage the I/P upper trim panel retainers on the sides of the HUD.
    2. Disengage the retainer rearward of the HUD.

    Failure to follow this method could break the tab on the HUD.
  3. Use your fingers to lift under the edges of the instrument panel (I/P) upper trim panel adjacent to the trim clips. If equipped, disengage the trim panel retainers on the sides of the Head Up Display (HUD) first.
  4. Fig 1: I/P Upper Trim Panel & HUD
    GM1195543Courtesy of GENERAL MOTORS CORP.
  5. If equipped, disengage the retainer rearward of the HUD.
  6. Fig 2: I/P Upper Trim Panel Retainer & HUD
    GM1195772Courtesy of GENERAL MOTORS CORP.
  7. Disengage the remaining trim panel retainers. Use clean shop towels to protect the I/P trim pad from the trim panel retainers. Lift the trim panel for access.
  8. Remove the DRL ambient light sensor from the I/P upper trim panel by rotating the sensor counterclockwise.
  9. Fig 3: DRL Ambient Light Sensor & Connector
    GM929317Courtesy of GENERAL MOTORS CORP.
  10. Remove the DRL ambient light sensor from the DRL ambient light sensor connector.