Before the bulb can be accessed, the headlight housing's rectangular cover must be removed, see the article "Removing the rectangular headlight cover."
Remove the bulb by turning the bulb holder upward and then pulling it straight out.
Carefully pry the plastic sleeve by the connector's locking lug to release it.
Remove the connector from the bulb.
Insert a new bulb.
Insert the bulb in the socket and turn downward. It can only be inserted in one way.