How do you replace headlight assembly for 2003 TL?

To replace the headlight assembly on a 2003 Acura TL, first disconnect the negative battery cable to ensure safety. Remove the screws or bolts securing the headlight assembly, typically found near the grille and fender. Carefully pull the assembly out, disconnect the wiring harness, and replace it with the new assembly by reversing the steps. Finally, reconnect the battery and test the new headlights to ensure they function properly.