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.

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Front Seat Back Cover and Pad (1) - Remove - Front Seat Back Cover and Pad Removal and Installation (with Seat Back Cushion Finish Panel) , or Front Seat Back Cover and Pad Removal and Installation (without Seat Back Cushion Finish Panel) , or Front Seat Back Cover and Pad Removal and Installation (Blackwing)
Courtesy of GENERAL MOTORS COMPANY

Front Seat Cushion Cover and Pad (2) - Remove - Front Seat Cushion Cover and Pad Removal and Installation , or Front Seat Cushion Cover and Pad Removal and Installation (Blackwing)
Courtesy of GENERAL MOTORS COMPANY

Depress the retaining tabs to release the front seat back side bolster bladder (1) from the front seat back frame.
Front Seat Back Side Bolster Bladder (1) - Remove [2x]
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Depress the retaining tabs to release the front seat cushion outer finish cover support (1) from the front seat cushion frame.
Front Seat Cushion Outer Finish Cover Support (1) - Remove [2x]
Courtesy of GENERAL MOTORS COMPANY

Disconnect the electrical connector and reposition the wiring harness as necessary.
Release the front seat back lumbar pump retainer and reposition the pump.
Release the retainers.
Front Seat Lumbar Support (1) - Remove