What Makes The Peugeot Keys So Effective? In COVID-19
Peugeot 208 Key Replacement
Peugeot 208 key replacement should be left to professional auto locksmiths with the right equipment and technical knowledge. www.g28carkeys.co.uk can program and create keys faster and less expensive than dealers.
A dead battery for your coin is the most likely cause the reason your key-fob stops locking or unlocking the doors. There are other causes for the key to be malfunctioning.
Dead Coin Battery

A dead coin battery will hinder your Peugeot 208 from locking or unlocking, and will not start the engine. If this is the situation, you'll need use the backup starting method that's described in the owner's manual for your vehicle.
Another reason your 208 might not be starting is because the spark plugs are worn down. The spark plugs ignite fuel to start the engine. They only last for a certain amount of time. If they aren't used enough they will eventually fail.
Luckily, there's an easy solution to this issue. Examine the voltage of your battery with a multimeter. If the voltage falls below 11,5 volts, it's time to replace it. It is also important to clean the contacts of the battery in the event that it is damaged by corrosion. This can be done by removing the rubber cover from the two terminals of the battery, and then using a wirebrush to clean any corroded parts of the battery. Then, reconnect the cables that connect the positive and negative poles.
Water Damage
If your 208 won't turn on and the battery isn't running, then make sure whether the spark plugs are in good working order. It is possible that they're filthy, making them unable to spark. The spark plugs can be cleaned in the workshop.
Peugeot cars use a transponder key that works with the car's ignition system. This ensures that only the correct key is able to turn the engine. If the chip inside the Peugeot key is damaged, then it will not send the correct signal to the vehicle.
This is a frequent issue that is caused by water damage. This is especially prevalent in colder climates where the vehicle may have been exposed to snow or rain. If this is the case, you should get in touch with a reputable locksmith who will have all of the equipment and tools needed to change the key's programming. They will also have the latest technological know-how and the equipment required to make the Peugeot 208 smart key. The process shouldn't last more than 15 minutes.
Contacts for the battery that are defective
Peugeot replaced the transponder chips using a new model that utilizes electronic components mounted on a circuitboard. The new system is great when it's new, but the circuit boards wear out over time and cease to function properly.
This could stop the immobiliser from working, so your vehicle will not start. If this happens, it's a good idea to call a Peugeot specialist or locksmith.
The most frequent issue is when the battery inside the key fob starts to fail. This causes the blade of the key to stop feeding into your lock. A locksmith from your vehicle can replace the battery and cut a new blade for you, it's typically a quick fix.
Faulty Receiver Module
If your Peugeot key fob isn't 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 is responsible for sending radio frequency signals to the onboard computer which controls the centralized locking system inside your Peugeot vehicle.
The key fob itself has rubber seals that block water from reaching the electronic chip inside. However, prolonged exposure to water may be able to penetrate these seals and cause damage to the chip. The high salt content of the ocean or pool could cause damage to the key fob when it is submerged.
If your Peugeot spare key fob stops working You'll need 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 an immobilizer that is unique and requires the correct programming to begin the engine. This is why it is imperative that you should only trust the Peugeot locksmith to design and program a replacement.
Faulty On-Board Computer
The computer on board in your Peugeot is responsible for a variety of the systems in your car, from power windows to airbags. If something is wrong with these systems, they will usually display a code that identifies the issue. This code is saved in the system and will remain there until the problem has been resolved. Often, this will involve replacing the on-board computer.
One of the most frequent reasons for the airbag light turning on is the loose or corroded connections within the airbag sensor. This can be caused by wear and tear, aging, or exposure to salt and moisture. It is important to have this issue addressed as quickly as you can, as a malfunctioning airbag can be risky in the event of an accident.
If you encounter an error message stating that the card is not found on your Peugeot key fob, the battery in the key fob might be weak or dead. This could prevent the key fob from sending a signal to disable the immobilizer on your vehicle's standard. Test this by pressing the unlock key on the key fob, and then trying to start your vehicle. If this doesn't work then the battery in the key will need replacing.