If your key is working but the button suddenly stops locking and unlocking the door here is a quick fix.
Car key unlock not working.
This can help loosen any stuck pins or springs.
You will need to set these services up ahead of time.
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.
If your car key is not working when you attempt to unlock your car there is a possibility that the lock itself is damaged.
If the remote key won t unlock car door even after battery swapping or fixing the battery contacts try a distant unlocking service.
You will need a new key fob which will have to be programmed to your vehicle.
The panic button and or trunk unlock features don t work.
Try the lock button trunk release button or panic button.
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.
If you can unlock the car manually the locks are working mechanically.
If the other buttons work the problem is a bad unlock button.
Multiple clicks needed to unlock the doors.
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.
The key fob itself could be defective or have a bad unlock button.
In other words it will not allow you to use the fob as a keyless entry remote.
Most car brands offer a remote door unlock service for emergencies such as a broken smart fob and locking the keys inside the car.
Your problem is likely that the fob can start the car but will not allow you to unlock the vehicle s doors or trunk.
Here are some common reasons for this issue.
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.
When this happens use a small tack hammer to gently tap the key ignition.
If you notice that your key remote does not unlock your car lock your car or start the engine for those with the automatic start button as early as it should it s probably time to replace the battery.