Removal Procedure

Courtesy of GM

Using a suitable plastic trim tool, gently pry upwards to release the retaining clips.
Front Seat Adjuster Track Finish Cover (1) - Remove
Courtesy of GM

Starting at the rear of the front side door sill garnish molding (1) pull upward at the b-pillar joint to disengage the garnish molding.
Work your way forward disengaging all the front side door sill garnish molding retaining clips and then pull rearward to disengage the 2 retaining clips on the forward vertical wall.
Front Side Door Sill Garnish Molding (1) - Remove
Courtesy of GM

Start at the rear upper corner of the door opening and pull the weatherstrip away from the door opening flange.
Front Side Door Weatherstrip - Body Side (1) - Remove