How do you change brake caliper on 2003 Buick rendezvous?

To change the brake caliper on a 2003 Buick Rendezvous, first, ensure the vehicle is securely lifted and supported on jack stands. Remove the wheel to access the brake assembly, then detach the caliper by unbolting it from the bracket, and disconnect the brake line if necessary. Replace the old caliper with a new one, ensuring to properly attach the brake line and bleed the brakes to remove any air from the system. Finally, reassemble everything and test for proper operation before driving.