What Is The Reason Peugeot Keys Is The Best Choice For You?
Peugeot 208 Key Replacement
It is best to leave the replacement of Peugeot keys 208 to auto locksmiths equipped with the required equipment and know-how. They can create and program keys more quickly and at a lower cost than dealers.

A dead coin battery is most likely to blame the reason why your key fob isn't locking or unlocking doors. However, there are many other possibilities that the key is malfunctioning.
Dead Coin Battery
A dead coin battery can stop your Peugeot 208 from locking or unlocking and won't start the engine. In this instance you'll need choose the alternate method to start that is described in the owner's manual.
The spark plugs might also be worn out. The spark plugs are responsible for igniting the fuel which starts the engine. However, they have a limited lifespan. If they are not used enough to last, they'll eventually fail.
Fortunately, there's an easy solution to this problem. The best way to solve this issue is to determine the voltage of your car battery with a multimeter. If it's less than 11.5 Volts it is time to replace it. It is also important to clean the contacts of the battery in case it is corroded. This can be accomplished by removing the rubber covers from the two terminals on the battery and then using a wirebrush to clean any corroded battery parts. It is then time to reconnect the cables for the positive and negative poles.
Water Damage
If your 208 doesn't start and the battery hasn't been replaced, you must look at the spark plugs. It is possible that they are just overly dirty, causing them to not to spark. This can be fixed by cleaning the spark plugs in a workshop.
Peugeot automobiles use a key with a transponder that is compatible with the immobiliser. This ensures only the correct key can turn the engine. If the chip in the Peugeot key is damaged then it won't send the proper signal to the vehicle.
This is a common problem that is caused by water damage. This is particularly prevalent in colder climates where the vehicle could have been exposed to snow or rain. If this is the case, you should call a reputable auto locksmith who will have all the tools and equipment required to modify the new key. They also have the most up-to-date technological know-how and machinery required to make the Peugeot 208 smart key. The process shouldn't last more than 15 minutes.
Contacts of the battery may be damaged.
Peugeot replaced the old transponder chips with a new version that makes use of electronic components mounted on a circuit board. This new system works well when it's brand new but over time the circuit boards start to degrade and stop working correctly.
G28 can stop the immobiliser from working, so your vehicle won't be able to start. If this is the case it's a good idea call a Peugeot specialist or locksmith.
Another issue that is common is when the battery of the key fob starts to die, this causes the key blade to stop getting into the lock. A locksmith for cars will replace the battery, and then cut a new blade for you. This is a simple fix.
Faulty Receiver Module
It could be that the receiver module is defective if your Peugeot key fob fails to function after being dropped on the floor, or exposed to a sudden rainstorm or accidentally washed. The receiver module is responsible for transmitting radio signals to the onboard computer which controls the central locking system of your Peugeot vehicle.
The rubber seals on the key fob keep water from reaching the electronic chip. The chip can be damaged by water if it is exposed to water for a prolonged period of period of. Submerging the key fob in the ocean at the beach or throwing it into the pool could be particularly damaging due to the high salt content.
If your Peugeot spare key fob stops working then you'll have to get the module replaced. This is only done by an expert auto locksmith or Peugeot specialist. As opposed to other cars, Peugeot keys are protected by a unique immobilizer system that requires the correct programming for the start of the engine. This is why it is imperative that you should only trust a Peugeot locksmith to create and program the replacement.
Faulty on-Board computer
The on-board computer of your Peugeot is responsible many features in your car, including airbags and power windows. When something goes wrong in these systems, they will usually display a code indicating the issue. This code is saved in the system and will stay there until the problem is fixed. This may require the on-board computers to be replaced.
One of the most common causes of the light turning on is the loose or corroded connection in the airbag sensor. This could be due to wear and tear, age or exposure to salt and moisture. It is imperative to have this issue resolved as soon as you can, as an airbag that is not functioning properly could be dangerous in the event an accident.
If your Peugeot is showing a card that is not being detected error, the battery inside the key fob may be weak or dead. This could prevent the key fob from transmitting a signal that will disable your vehicle's immobilizer. You can test this by pressing the unlock button on the key fob, then trying to start your vehicle. If this does not work it is likely that the battery must be replaced.