All Ford vehicles have a central locking system that were manufactured after 1993. The Ford focus has always had the central locking system.
The function of the coarse focusing mechanism is to quickly adjust the distance between the objective lens and the specimen to bring the specimen into rough focus. This mechanism allows for rapid changes in focus in larger increments compared to the fine focusing mechanism. Once the specimen is in rough focus using the coarse focus, the fine focus mechanism is used for precise focusing.
Focus owners do not do Volkswagen.
Sometimes the plastic coupling breaks, the coupling links the cable from the key barrel to the actual locking latch mechanism. Applying pressure to the coupling (pushing the cable towards and into the latch mechanism) and turning the key can open the bonnet if this is the reason why the bonnet is jammed.
My friend is having the same problem with her 2011 Focus. They told her it was to do with the traction control kicking in. She said it occurred out of the blue and wasn't under extreme conditions or bad driving. Ford replicated the locking and traction control activation during a test, but they said it wasn't a steering or break issue.
You can not replace it unless it's an old ford focus.
I would locate the fuse in the fuse box and remove the fuse, that's not fixing the problem but it will stop the automatic locking.
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behind the glove box on passenger side,remove fuse box and central locking fuse is round the back of it.
if it doesnt work then your keys are jacked up