You need to tell us what the fault is. If the locks have become difficult to turn with the key (as Ford locks do) then just squirt some Duck Oil (Duck Oil is now a Swarfega brand) into them. A squirt of Duck Oil will also stop your locks from freezing up in the Winter.
Yes you can you just ignor the steps that involve the door locks.
door locks
Blown fuse
Car door locks can be repaired in many different places. Some places one can go for it are Manta, Tucson, Car Locksmith, etc. In addition, one can look for information about how to do it oneself.
A Ford Fiesta 1.4 tdci comes in many models. You can find this type of car in a 2 door, 4 door, hatchback, or mini van.
Because the car alarm needs to be disarmed before you open the door. It's not connected to your door locks.
With your key in the door lock cylinder.
it locks when the car locks and on. when you turn off the key and unlock the door, the fuel door unlocks so you can open it.
get a new car
Door locks are protected by circuit breakers. A surge of power to a fuse would cause it to blow. They are located in the fuse panel.
You can't get a four door fiesta as a three door is the two front doors and the boot and a five door is the four doors and a boot ... so it's either a three door or a five door! But hire car companies offer you a four door, or for an extra 5 quid a five door...?
A lock smith should be able to.