How do you change headlight bulb on vauxhall zafira w reg?

To change the headlight bulb on a Vauxhall Zafira W reg, first, open the bonnet and locate the back of the headlight assembly. Remove the plastic cover or dust cap, then twist the bulb holder counterclockwise to release it. Carefully pull out the old bulb, insert the new bulb without touching the glass, and reassemble by reversing the steps. Ensure everything is securely in place before closing the bonnet.