Park the car on a flat surface and turn off the engine
Open the hood
Locate the headlight assembly
Remove any covers, clips, or screws securing the headlight
Disconnect the electrical connector from the bulb or assembly
Remove the old bulb or headlight assembly
Install the new bulb or assembly
Reconnect the electrical connector
Reinstall any covers, clips, or screws
Close the hood
Turn on the headlights to test them
Check headlight alignment if needed