Ford Focus 2004 Owner's Manual page 122

Roadside emergencies
Front fog light (ST170)
H3, 55 watt halogen bulb
To remove the cap, turn
anti-clockwise.
If necessary, unclip the spade
terminals to remove the cap
completely.
Push the spring clip down and to
the side, then lift it upwards. Lift
out and replace the bulb.
Install in the reverse order.
120
Side repeater indicator
5 watt wedge base bulb
Slide the light assembly downwards
and pull it out.
Grasp the bulb holder, turn the
light housing anticlockwise and
remove it. Pull the bulb out.
Install in the reverse order.