You will need a new key fob which will have to be programmed to your vehicle.
Car key unlocks but doesn t lock.
If the other buttons work the problem is a bad unlock button.
Continue holding the lock button and at the same time press the unlock button five times.
Most car brands offer a remote door unlock service for emergencies such as a broken smart fob and locking the keys inside the car.
If you can feel the unlock function click but can t feel the lock function click it most likely a fault of the relay.
Also he s got a different style remote to you.
Put another way you will need two hands.
Insert the key into the ignition.
2 press and hold the unlock button and then press the lock button center button three times.
To change the battery in the newer style all you do is pop off the rear cover.
If your car key is not working when you attempt to unlock your car there is a possibility that the lock itself is damaged.
Insert your key into the ignition and turn it to the accessory position.
Next release all buttons and press the gate trunk button one time.
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.
Try the lock button trunk release button or panic button.
One will press and keep the unlock button pressed while the other one presses the lock button twice.
The key fob itself could be defective or have a bad unlock button.
A problem with the wiring could exist but it is doubtful if you haven t been working on it etc.
Insert your key into the ignition and pull it back out six times within a maximum of just 10 seconds.
If done right you will see that the car will lock and the unlock confirming the sequence.
2 press and hold the unlock button and then press the lock button center button three times.
If the remote key won t unlock car door even after battery swapping or fixing the battery contacts try a distant unlocking service.
I d rule out a switch problem if neither side won t operate the lock function.
Get in your car and lock the door manually.
In case it unlocks the doorway the issue might be a poor battery from the key fob or an issue from the keyless entry antenna or wiring.
The key splits in 2 by inserting a flat head into the slot on the back then prise it open along the crease which should reveal the battery surely if the battery was faulty the lock boot buttons wouldn t work.
The key fob itself may be faulty or have a terrible unlock button.
In case the additional buttons work the issue is a terrible unlock button.
One will press and keep the unlock button pressed while the other one presses the lock button twice.
If your vehicle uses this method you will notice the exterior and interior lights flash.
You will need to set these services up ahead of time.