Faulty lock the internal mechanism could be broken.
Key won t work in door lock.
There are a few reasons this can happen but they are all solvable problems.
After a long day at work the last thing you want is to come home put your key in the lock and find that it won t turn.
It s possible that there is an issue with the lock cylinder.
For other types of problems with door knobs and locks please see repairing door knobs.
A dead key fob means you re locked out of the car which is the last thing anyone would want when in a hurry.
A dry graphite lubricant will lubricate the inside of the lock making it easier to unlock.
A smart fob can stop working for several reasons and diagnosing them is quite simple.
A key that doesn t turn in the lock could have several causes.
Keeping your car doors locked is one important safeguard against auto theft and vandalism but it can also backfire.
A key fob is a nice convenience but it s frustrating when the remote key won t unlock car door.
You may be able to take care of the problem yourself or you may need to call a locksmith for help.
You should straighten the key adjust and refine it as much as possible in order to be able to insert it into the lock.
In most cases it s the battery that has gone.
The lock mechanism may not work simply because the lock is dirty or dry and needs to be lubricated with graphite do not use any type of oil because this will gum up the works.
If your key will only go in part way this could still be the same problem or there may be an obstruction in the keyway.
Here we look at how to fix problems with a key operating a door lock.
Debris or ice from cold weather may be causing problems with the cylinder or you might simply be using the wrong key.
Key won t work in the lock.
For any of a variety of reasons occasionally car keys won t turn in the door.
Door locks are complex mechanisms with lots of tiny moving parts and as such can malfunction on occasion.
Assuming the door lock is hard to unlock with a key because it is dirty or gunked up inside and not damaged your best bet is to use a dry graphite.
Key is hard to turn or won t go in the lock don t force the key.
Forcing it could break the key in the lock.
If this method does not work you may need to use a more solvent based lubricant like wd 40 to loosen the dirt.
How to do so.
Locks exposed to the elements sometimes collect a lot of dirt.
For serious lock problems it is usually best to call a locksmith or to replace the lock.
Ideally use a vice bench and a small hammer.
The key is bent and the lock barrel is straight.
Gently and slowly hammer the key on a straight and hard surface.
An improperly functioning latch may be the result of a poorly fitting door.