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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 203 (Cellular, Entertainment, And Navigation - Repair Instructions) >> Repair Instructions >> Radio Antenna Amplifier Replacement (without Blackwing) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
  1. GM5423135Courtesy of GENERAL MOTORS COMPANY

    Fold the assist handle downward and hold. (2)

  2. Use a small flat-bladed tool to open the assist handle covers to access the bolts.
  3. Roof Rail Rear Assist Handle Bolt (1) - Remove [2x]
  4. Roof Rail Rear Assist Handle (2) - Remove
  5. GM5433860Courtesy of GENERAL MOTORS COMPANY

    Insert a suitable flat-bladed plastic trim tool between the parameter of the high mount stop lamp opening cover (1) and headlining trim panel (2).

  6. Separate the high mount stop lamp opening cover (1) from the headlining trim panel (2).
  7. GM5433861Courtesy of GENERAL MOTORS COMPANY

    Pull downward to release the retaining tabs.

  8. High Mount Stop Lamp Opening Cover (1) - Remove
  9. GM5494003Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Use care when working around the head curtain inflator module. Sharp tools may puncture the curtain airbag. If the head curtain inflator module is damaged in any way, it must be replaced.

    Center Pillar Upper Trim Panel Bolt Cap (1) - Remove

  10. Center Pillar Upper Garnish Molding Bolt (2) - Remove
  11. GM5494005Courtesy of GENERAL MOTORS COMPANY

    Pull the trim panel (1) toward the inside of the vehicle to disengage the retainers.

  12. Center Pillar Upper Trim Panel (1) - Reposition
  13. GM5494006Courtesy of GENERAL MOTORS COMPANY

    Fold the rear seat back to the downward position.

  14. Use a flat bladed plastic trim tool to remove the quarter window trim finish panel bolt cap (1).
  15. Quarter Window Trim Finish Panel Bolt (2) - Remove
  16. GM5494007Courtesy of GENERAL MOTORS COMPANY

    Disengage the retainers, starting at the front and working rearward.

    17. NOTE:

    The Quarter Upper Trim Panel does not need to be fully removed from the vehicle.

  17. Quarter Upper Trim Panel (1) - Reposition
  18. GM5494008Courtesy of GENERAL MOTORS COMPANY

    Lower the left rear section of the headlining trim panel (1).

  19. GM5338625Courtesy of GENERAL MOTORS COMPANY

    Radio Antenna Module Bolt (1) - Remove

  20. Disconnect the electrical connectors.
  21. Release the retaining tab.
  22. Radio Antenna Amplifier (2) - Remove
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