Peugeot 208 Key Replacement
Peugeot 208 key replacement is best left to experienced auto locksmiths who have the proper equipment and technical knowledge. peugeot 3008 key fob replacement can create and program keys faster and cheaper than a dealership.

If your key fob stopped locking or unlocking your doors, it could be due to a dead battery in the coin. But, there are other possibilities that the key is malfunctioning.
Dead Coin Battery
A dead battery in the coin compartment will prevent your Peugeot 208 from locking or unlocking and will not allow you to start the engine. In this instance, you will need to make use of the alternative method for starting described in your vehicle owner's manual.
Another reason your 208 may not start is because the spark plugs have worn down. The spark plugs are responsible for igniting the fuel that powers the engine. However they have a finite life span. If they're not used enough to last, they'll eventually fail.
Luckily, there is an easy solution for this problem. Verify the voltage of your battery with a multimeter. If the voltage is lower than 11,5 volts, it's time to replace it. It is also necessary to clean the battery's contacts when it has corrosion. This can be done by removing the rubber covers off the two terminals on the battery and then using a wirebrush to remove any corroded battery parts. Then, you should connect your cables to connect the positive and negative poles.
Water Damage
If your 208 isn't starting and the battery isn't flat, then you need to make sure whether the spark plugs are in good working order. It is possible that they are just overly dirty, causing them to not to spark. The spark plugs can be cleaned in a workshop.
Peugeot automobiles use a transponder style key that works with the car's immobiliser system. This makes sure that only the correct key is able to turn the engine. If the chip inside the Peugeot key is damaged, it won't send the correct signal to the vehicle.
Water damage is a typical cause of this issue. This is particularly common in colder climates where the vehicle could have been exposed to snow or rain. If this is the case, call a reputable auto locksmith who will have all of the equipment and tools needed to reprogram the new key. They also have the latest technological know-how and the equipment required to create the Peugeot 208 smart key. The process shouldn't take more than 15 minutes.
Faulty Battery Contacts
Peugeot changed from the old carbon-encased transponder chips to a brand new type of chip that relies on electronic components on a circuit board. This new system works well when it's brand new, but as time passes, the circuit boards start to lose their effectiveness and cease working correctly.
This could prevent the immobiliser chip activating which means that your car won't start. Contact a Peugeot specialist, or a locksmith if this is the case.
The most frequent issue is when the battery of the key fob begins to fail. This causes the blade of the key to stop feeding into the lock. A locksmith in your car will replace the battery and then cut a new key blade for you. This is a simple solution.
Faulty Receiver Module
If your Peugeot key fob was not working after dropping it on the ground, being exposed to a sudden downpour or accidently washing it or washing it, it could be due a malfunctioning receiver module. The receiver is responsible for transmitting radio frequency signals to the on-board computer, which controls the central locking system within your Peugeot vehicle.
Rubber seals on the key fob stop water from getting to the electronic chip. The chip can be damaged by water when exposed to water for a prolonged period of time. The high salt content of the ocean or pool can cause damage to the key fob, especially if it is submerged.
The module must be replaced if your Peugeot spare key no longer works. This can only be performed by a professional auto locksmith or Peugeot specialist. Peugeot keys unlike other automobiles, are secured by an immobilizer system. This requires the correct coding to start the car. This is why you must choose a reputable Peugeot locksmith to handle the task of programming and creating the replacement.
Computer on board is not working properly
The on-board computer inside your Peugeot is responsible for a number of the systems within your car, ranging from airbags to power windows. The on-board computer will show the code when something goes wrong. The code is stored in the system until the issue is resolved. This may require the on-board computers to be replaced.
One of the main reasons for the airbag light turning on is the loose or corroded connections within the airbag sensor. This can occur due to wear and tear, ageing or exposure to moisture and salt. It is important to have this issue addressed as quickly as possible, as an airbag that is malfunctioning can be dangerous in the event of an accident.
If your Peugeot is showing a card detected as not present error, then the key battery in the key fob might be weak or dead. This will stop the key fob sending a signal to disable the vehicle's immobilizer. You can test this by pressing the unlock button on the key fob, then attempting to start your car. If this does not work then the battery in the key fob must be replaced.