How do you change side light bulb in Mazda 6?

To change the side light bulb in a Mazda 6, first, locate the headlight assembly on the side where the bulb needs replacement. Remove the cover on the back of the assembly by twisting it counterclockwise. Then, disconnect the electrical connector from the old bulb, and twist the bulb socket counterclockwise to remove it. Insert the new bulb into the socket, reconnect the electrical connector, and replace the cover, ensuring everything is secure.