How do you change the instrument cluster on an Audi TT?

To change the instrument cluster on an Audi TT, first disconnect the vehicle's battery to ensure safety. Remove the trim surrounding the cluster using a trim tool, then unscrew the screws securing the cluster in place. Carefully pull the cluster out, disconnect the wiring harness, and replace it with the new cluster. Reassemble by reversing the steps, ensuring all connections are secure before reconnecting the battery.