How do i change the bulb on a citreon picasso?

Hi the bulb is dim on the left side and i need to change it firstly how many bulbs are in there and can i change it i know nothing about cars thanksHow do i change the bulb on a citreon picasso?there are lots of bulbs on your car - it depends which one's failed. Check your handbook to see how to change them, or an auto accessory place will probably check, supply %26amp; fit the bulb for you if you ask nicely!