In that case you may have to reprogram the remote so that it pairs up with the car s receiver unit.
Automatic car keys not working.
If you can unlock the car manually the locks are working mechanically.
Here are some reasons why 1.
Sometimes the remote still does not work after checking for all possible reasons.
The key fob battery is dead.
If your key is working but the button suddenly stops locking and unlocking the door here is a quick fix.
This is one of the most common reasons why your car door lock is not working.
Here s another one you can try if the first didn t work.
Reprogram the smart fob.
You may want to try holding the key right up to the button and attempting to start the car again.
Car remote key not working.
These are mostly the reasons and troubleshooting options when a remote key won t unlock car door.
Many of these batteries have a long shelf life which usually makes drivers complacent.
Insert your key into the ignition and pull it back out six times within a maximum of just 10 seconds.
Most car key remotes use lithium coin batteries.
Multiple clicks needed to unlock the doors.
Batteries are the primary source of power for car key remotes and they work directly with the transmitter in the car remote key.
The older car remote entry systems used rf systems which were not fully secure as their signal could be easily captured and played back to unlock and enter the vehicle.
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.
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.
If your vehicle uses this method you will notice the exterior and interior lights flash.
Get in your car and lock the door manually.
Car key remote batteries dead.
If you have any car related problems or questions yo.
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 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.
There are five common reasons why your car door lock is not working.