How do you replace headlight assembly on a 2006 mazda3?

To replace the headlight assembly on a 2006 Mazda3, start by opening the hood and removing the securing bolts and clips that hold the headlight assembly in place. Disconnect the electrical connector from the back of the assembly and carefully pull the assembly out. Install the new headlight assembly by reversing the process: connect the electrical plug, secure it with bolts and clips, and ensure it's properly aligned before closing the hood. Always test the new headlights to ensure they function correctly.