How do you change the main bulb on a 2002 Seat Ibiza?

To change the main bulb on a 2002 Seat Ibiza, first, ensure the vehicle is turned off and open the hood. Locate the headlight assembly and remove the cover or access panel, then disconnect the power connector from the bulb. Carefully twist and pull out the old bulb, and insert the new one without touching the glass. Finally, reconnect the power connector and replace the cover or access panel before testing the new bulb.