How do you replace headlight unit Audi TT 2002?

To replace the headlight unit on a 2002 Audi TT, first, open the hood and locate the headlight assembly. Disconnect the electrical connector and remove the screws or bolts securing the headlight unit in place. Carefully pull the old headlight out and replace it with the new unit, ensuring all connections are secure. Finally, reattach any screws or bolts and test the new headlight before closing the hood.