Open the glove box and look behind the glove box on the inside. it's there.
Should be at home in the airing cupboard. Try the fridge first tho.
in the steering wheel
Fuse for that partricluar circuit has blown. Replace fuse to fix.
Fuse # 55- 25 amp.
The fuse for the cigarette lighter on a Ford Fiesta is located in the main fuse panel under the dash. It is positioned beside the hood release and is labelled for easy identification.
The fuse box on a Ford Fiesta contains most of the fuses used to protect the vehicle's electrical system. It is located behind the hood release latch.
If an online search did not find the Ford Fiesta mk5 fuse box diagram, then it is available in the Fiesta service manual. The manual should be available through most any auto parts store.
check the fuse
Because they have a weak supply in the engine.
On my '06' it's in the glove box in behind.
driver side foot well
behind the glove box on passenger side,remove fuse box and central locking fuse is round the back of it.