Nothing is as annoying as key that no longer works . And everyone knows, locksmithing is a super expensive area. Particularly on a vehicle, because if it is necessary to change a lock, it must be done on all the other doors of the smart forfour. So before getting a quote from a locksmith, let's see if there are not less expensive solutions by carrying out repairs yourself. For this, we will go around the most common concerns and what can be the potential solutions to this concern.problem-lock-door-smart-forfour

The door lock on my smart forfour is completely locked

You manage to insert your key to the bottom of the smart forfour lock, however impossible to rotate . In this situation, a very simple check must be made. If this is the case on all of your locks, it is because the problem came from the key, of course. If however this is only the case on one of the doors, it is naturally the lock that blocks. So the first thing to do is insert WD40. This anti-seize is widely used in mechanics. Often it solves more worries than one can imagine. It is also conceivable that an element has entered the lock and blocks its proper functioning. In this situation, a locksmith can fix it for you. Last solution, change the lock…

The key no longer fits fully in the door of the smart forfour

The concern can come from several things. The first is that your key is curved. If this is the case, it would be difficult to open the entire doors of your smart forfour. You can then try to straighten it gently. Otherwise, it is possible that the lock is just dirty. In this case it will be necessary to oil the lock or insert anti-seize like WD40. By turning the key without forcing too much, the lock should end up working. It is practically inadmissible that a resistant element enters the lock, unless a person has tried to force it.

The key turns in the lock, however the smart forfour does not open

The first thing to do is to break in through another door and try to start it from the inside. If there is nothing to do there, then the lock on your smart forfour is undeniably in poor condition. You can still put an anti-seize drug inside the system, but honestly there is little chance that it will work. You unfortunately have only one solution, call your locksmith.