Peugeot 208 Key Replacement
Peugeot 208 key replacement should be left to auto locksmiths with experience who have the appropriate equipment and know-how. They can create and program new keys much quicker than a dealership and at a cheaper cost.
A dead battery for your coin is most likely to blame when your key fob stops locking or unlocking the doors. There are other reasons for the key to be malfunctioning.
Dead Coin Battery
A dead coin battery will prevent your Peugeot 208 from locking or unlocking, and will not allow you to start the engine. If this is the case, you'll have to utilize the backup starting method that is detailed in your vehicle's owner manual.
Another reason the 208 won't start is that the spark plugs have been worn down. The spark plugs are responsible to ignite the fuel that starts the engine. They are only able to last for a short time. They will eventually break down if they aren't used frequently enough.
There is a simple solution for this problem. Examine the voltage of your battery with a multimeter. If it's below 11.5 Volts, then you need to replace it. It is also necessary to clean the contacts of the battery in case it is corroded. This can be done by removing the rubber cover from the two terminals of the battery, and then using a wirebrush to eliminate any corroded parts of the battery. It is then time to reconnect the cables that connect the positive and negative poles.
Water Damage
If your 208 isn't starting and the battery is not empty, you must ensure that the spark plugs work. You might find that they're filthy and don't spark. This can be easily corrected by cleaning the spark plugs in an workshop.
Peugeot cars are equipped with keys that are transponder-type and works with the car's immobiliser system. This ensures that only the right key can start the engine. If the chip in the Peugeot key is damaged, it will not transmit the proper signal to the vehicle.

Water damage is a typical cause of this issue. This is a common issue in more cold climates where the car has been exposed to snow or rain. In this situation, contact a reliable locksmith who has the tools and equipment required to change the key's programming. They also have the latest technological know-how and machinery required to create the Peugeot 208 smart key. The process shouldn't take longer than 15 minutes.
Contacts of the battery may be damaged.
Peugeot replaced the transponder chips using a new model that utilizes electronic components mounted on a circuit board. The new system is fantastic when it's new, however the circuit boards degrade over time and stop working properly.
This could stop the immobiliser's function from being activated, meaning your vehicle will not start. If this happens, it's best to call a Peugeot specialist or locksmith.
Another issue that is common is when the battery for the key fob starts to die, this causes the key blade to stop feeding into the lock. A locksmith for cars will replace the battery and then cut a new key blade for you. This is a quick fix.
Faulty Receiver Module
If your Peugeot key fob has stopped working after dropping it on the floor, getting exposed to a sudden downpour or accidently washing it the wrong way, it could be due to a malfunctioning receiver module. The receiver module is responsible for transmitting radio signals to the onboard computer that regulates the central locking system of your Peugeot vehicle.
The rubber seals on the key fob block water from reaching the electronic chip. However prolonged exposure to water may be able to penetrate these seals and cause damage to the chip. The high salt content of the pool or ocean water could cause damage to the key fob when it is submerged.
If your Peugeot spare key fob isn't working, you'll need to have the module replaced. This can only be done by a skilled auto locksmith or Peugeot specialist. As opposed to other cars, Peugeot keys are protected by an unique immobilizer system that requires the right coding in order to start the engine. It is for this reason that you should only rely on a Peugeot locksmith to design and program the replacement.
Computer with a problem on board
The on-board computer in your Peugeot is responsible for various systems in your car, including power windows and airbags. When something goes wrong in these systems, it will usually display a code that identifies the issue. The code is stored within the system and will remain there until the issue is resolved. This will often require the on-board computers to be replaced.
The most common cause of the warning light for the airbag to illuminate is corrosion or loose connections in the sensor. peugeot 107 replacement key can be caused by wear and tear, aging, or exposure to salt and moisture. This problem should be dealt with as soon as you can, since an airbag that is not functioning could be dangerous in the event in the event of an accident.
If your Peugeot is showing a card not detected error, then the key battery inside the key fob might be dead or weak. This will stop the key fob from sending a signal to deactivate the immobilizer in your vehicle. You can test this by pressing the unlock button on the key fob and then trying to start your car. If this fails it is likely that the battery must be replaced.