This is for Renault Megane II .With the key card buttons facing toward you, pull the right hand bottom corner of the key card to the right-There is a groove in the card this is the "Emergency Key!" Pull it out .The battery will be half visible replace with same type "Maxell CR2025". Now you know where the emergency key is too! Only Opens passenger door.Clip on door is pulled and key can be inserted.
Eric (South Africa)
car batteries
use the key
If the central locking on your Peugeot 306 isn't working with the key, it could be due to a dead key fob battery, a malfunctioning key, or an issue with the car's central locking system. First, try replacing the battery in the key fob. If that doesn't work, check the central locking fuse and wiring for any damage. If the problem persists, it may be necessary to consult a professional for further diagnosis and repair.
For the central locking system on an Opel Corsa Lite, you typically need a CR2032 lithium battery for the key fob. To replace it, open the key fob casing carefully, remove the old battery, and insert the new one, ensuring the positive side is facing the correct direction. After replacing the battery, test the central locking function to ensure it works properly.
If the battery goes dead flat the door will still unlock manually with the key.
Dead battery in FOB?
If you have recently changed the battery, you may have issues with the key fob operating the locking system. The key fob must be reprogrammed, which you can do yourself first before taking it to a shop.
In cars with central locking, or remote locking, a solenoid is fitted to the locking mechanism. When the remote button is pressed (usually on the key) a signal is sent to the central locking control system. The received signal closes an electronic gate in the controller and current from the cars battery is switched to the solenoid on the lock. The force generated locks or unlocks the door as required.
You lock the car with the central locking. Then unlock it via the key (manually). then turn the key to the first setting, you must do it quickly as it has a timer for the alarm. then you can disconnect the battery and replace/charge it. when you're done, put the battery back in and turn the ignition back off and its back to normal again. It will ask you for a code if you have satnav but its written in the book.
The central locking on your Peugeot 206 may unlock itself due to several reasons, such as a malfunctioning key fob, a faulty central locking module, or issues with the door sensors. Additionally, a low battery in the key fob can cause erratic behavior. It's also possible that the locking system is responding to a short circuit or wiring issue. If the problem persists, it may be best to consult a professional mechanic for diagnosis and repair.
Check the battery, failing that call an auto locksmith who can reset it or re program a new one.
There could be several reasons why your T5 transporter's central locking isn't working. Common issues include a blown fuse, a faulty central locking relay, or a malfunctioning door lock actuator. Additionally, there may be a problem with the key fob battery or programming. It's best to check these components sequentially to identify the source of the issue.