This is one of the most common reasons why your car door lock is not working.
Automatic car keys not working.
If your key is working but the button suddenly stops locking and unlocking the door here is a quick fix.
Here are some reasons why 1.
Batteries are the primary source of power for car key remotes and they work directly with the transmitter in the car remote key.
These are mostly the reasons and troubleshooting options when a remote key won t unlock car door.
Multiple clicks needed to unlock the doors.
Insert your key into the ignition and pull it back out six times within a maximum of just 10 seconds.
Get in your car and lock the door manually.
In that case you may have to reprogram the remote so that it pairs up with the car s receiver unit.
If your vehicle uses this method you will notice the exterior and interior lights flash.
Many of these batteries have a long shelf life which usually makes drivers complacent.
You may want to try holding the key right up to the button and attempting to start the car again.
There are five common reasons why your car door lock is not working.
If you can unlock the car manually the locks are working mechanically.
Car key remote batteries dead.
If your locks arenĂ¢ t working replacing the battery in the key fob could solve the issue.
Reprogram the smart fob.
Here s another one you can try if the first didn t work.
Most car key remotes use lithium coin batteries.
The key fob battery is dead.
In most of the modern cars you are not required to insert keys to open the doors since they come equipped with remote locking unlocking.
Sometimes the remote still does not work after checking for all possible reasons.
If you have a vehicle that uses a push to start button ignition rather than a turn key ignition a key that is not necessarily dead but has a low battery may not be recognized by the vehicle from a distance.
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.
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.
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 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.