If you can unlock the car manually the locks are working mechanically.
Car key unlock not working.
There can be problems turning the key due to issues with the pins or springs.
Car key remote fobs are a nice convenience to have but they all stop working eventually.
In other words it will not allow you to use the fob as a keyless entry remote.
If the other buttons work the problem is a bad unlock button.
If your key is working but the button suddenly stops locking and unlocking the door here is a quick fix.
If you drive a fairly modern car there is less of chance that you will have to deal with this which is mostly attributed to the presence of key fobs and keyless entry remotes.
When this happens use a small tack hammer to gently tap the key ignition.
Multiple clicks needed to unlock the doors.
There could still be a problem with the electrical system which you can check by toggling the automatic lock and unlock buttons in your vehicles interior.
The pins and springs inside the key cylinder conform to the unique shape of your key so that only your key will work to turn on your car.
Even if it s just a dead battery you can pretty much guarantee that your car doors will fail to unlock with the remote at one time or another.
You will need a new key fob which will have to be programmed to your vehicle.
Here are some common reasons for this issue.
Most car brands offer a remote door unlock service for emergencies such as a broken smart fob and locking the keys inside the car.
The panic button and or trunk unlock features don t work.
If you have any car related problems or questions yo.
Try the lock button trunk release button or panic button.
This can help loosen any stuck pins or springs.
The key fob itself could be defective or have a bad unlock button.
You will need to set these services up ahead of time.
If your car key is not working when you attempt to unlock your car there is a possibility that the lock itself is damaged.
Press the large button on the remote primary plip the lock button towards the front of the vehicle where the receiver is located then press the small button on the remote unlock key turn the ignition off wait for 5 seconds and try locking unlocking your car.