How do you remove the headliner in 2003 trailblazer?

To remove the headliner in a 2003 Trailblazer, start by carefully removing any trim pieces and accessories, including sun visors, grab handles, and overhead console. Next, detach the retaining clips and screws holding the headliner in place. Gently lower the headliner from the roof, being cautious not to damage any wiring or fasteners. Finally, slide the headliner out of the vehicle, ensuring that it clears any obstructions.