Peugeot 208 Key Replacement The Process Isn't As Hard As You Think
Peugeot 308 Key Fob Problems and How to Fix Them
If your Peugeot key fob suddenly stopped working, it could be due to a dead battery in the coin-cell unit, water damage, receiver module issues, or a defective chip. Fortunately, all of these are simple to fix, and you'll have your vehicle back to normal in no time at all!
The key blade can become worn out and lead to an issue with your car key. It is easy to solve this issue by visiting your local Car Key Man Auto Locksmith to install a new blade.
Battery
The battery of the key fob in your Peugeot 308 can sometimes die or become insufficient to send a strong signal to the car. This could cause the key fob's function to cease, preventing you from locking or opening the doors or starting your engine. You'll need a replacement battery for the key fob in order to fix this.
You can buy a brand new battery at an auto parts store or at your local hardware store. Make sure that the battery is brand new and has not sitting on the shelf for too long. A new battery has greater capacity and can transmit a stronger signal to your vehicle.
After replacing the battery, try unlocking the doors and locking them using the key fob. If the doors won't open the issue is likely to be with the receiver module of your car which can be changed by your local Peugeot dealer.
It's possible that the key fob's internal chip is damaged. This can happen if you drop your key fob on the ground or expose it to water. The rubber seals that shield the chip from moisture might get worn out over time, particularly if the key fob is exposed to water for extended period of time, like when you submerge it in the ocean at the beach. To avoid this it is recommended to keep your key fob away of moisture and away from water.
Water Damage
Don't give up on your key fob when it becomes wet, whether you dropped it in a pool or fumbled into a Puddle. While the key fob comes with rubber seals that should protect it from water, prolonged exposure to water may cause damage to the electronic chip. Because water is a good conductor and conductor, any water that is able to get inside the key fob could create a series of short circuits, which could eventually destroy the chip. After removing the batteries, clean the contacts with isopropyl, and then dry them completely before putting them back in.
Your Peugeot 308 may not start because of an unresponsive battery. If you have a spare car, jumper cables could be used to start the engine again. If the battery is the issue the battery will need to be replaced.
Another reason could be a bad receiver in the vehicle, which may hinder it from receiving a signal from the key fob. It could be due to a problem with the antenna or wiring, or the key fob may be damaged. It may be necessary to programme a new key fob to your vehicle if using one. If you are unable solve the issue yourself then contact an expert technician. A technician who is trained in the field will be able to detect the issue quickly and then fix it right away.
Radio Interference
Interference may cause symptoms like a key fob that's not being recognized or has a narrow range. The interference can be transmitted or radiated, the latter caused by speaker and power cables passing too close to electrical components. In general, rerouting cables or moving them away from these components will fix the problem.
It's unlikely someone is listening to the key fob's signal in order to steal your car or vehicle, but it's possible that radio frequency interference has drowned out the signal. This is a straightforward issue to solve.
If your key fob isn't being recognized by the system, try a new battery. Also, ensure that the battery you are using is the right type and size. Batteries that are not of the correct size could damage your battery.
Certain alarm systems and radar detectors operate on the same radio frequency as your key fob and can cause them to interfere with your key signals. Avoid attaching these devices to your key fob.
Pairing Issues
The remote keyless entry system is an antenna that receives radio frequency signals from the key fob. If the receiver has developed issues, you will not be capable of starting your car, even if the key fob is working and is reset. The issue could be caused by a number of things, including the dead battery in the coin and water damage. The receiver could be malfunctioning because of an error in the software or internal damage to the key itself.

The battery that powers your Peugeot 308 keyfob may have gone out of service. You can replace it by using a fresh battery, however, it's important to choose the right battery for your key fob. peugeot car key could result in further problems with the key fob, therefore it is recommended to use the original battery or the replacement that is identical in size, voltage and specification.
Another reason why the reason your Peugeot 308 key fob might not work is because it has been paired to an unrelated vehicle. You may have accidentally given your key fob someone else, or the key was used to unlock other vehicles. You can resolve this by reprogramming your key fob with an OBDII scanner. This scanner will typically ask you to provide certain details regarding the vehicle, such as the VIN or engine type, and it is essential to enter it correctly.