Peugeot 308 Key Fob Problems and How to Fix Them
If your Peugeot 308 key fob has stopped working for a while it could be due to a dead battery in the coin or water damage or receiver module issues, or a malfunctioning electronic chip. Fortunately, these issues are easy to fix, and you'll have your car back to normal in no time!
The key blade could become worn-out and cause a faulty car key. You can solve this issue by visiting your local Car Key Man Auto Locksmith to install a new blade.
peugeot 107 key fob inside your Peugeot 308 may die or become weak enough to not send a clear signal. The key fob may stop working and prevent you from locking or unlocking your doors, or even starting the engine. To fix this, you'll have to replace the battery on your key fob.
You can purchase a new battery at an auto parts store or at your local hardware store. Make sure the battery is brand new and has not sat on the shelf for too long. A new battery will have greater capacity and will be able to send a stronger signal to the car.
After replacing the battery Try locking and unlocking the doors of your Peugeot using the key fob. If the doors won't unlock then the receiver module inside the car is the cause. The local Peugeot dealer can reprogramme the receiver module.

It's possible that the chip inside your key fob has been damaged. This could happen if drop your key fob on the ground or expose it to water. The rubber seals that protect the chip from moisture can get worn out over time, particularly if the key fob is exposed to water for prolonged periods of time like submerging it in the ocean at the beach. To avoid this, you should keep your key fob free of moist areas and away from water.
Water Damage
Don't lose hope on your key fob when it becomes wet, whether you dropped in an aquisition or stumbled into a water puddle. The key fob is protected by rubber seals, however, prolonged exposure to water can harm its electronic chip. Water is a great conductor, and any water that gets inside the key fob can cause a series short circuits that eventually destroy the electronic chip. After removing the battery, clean the contacts with isopropyl alcohol and dry it completely before putting it back in.
Your Peugeot 308 may not start due to the battery being dead. Jumper cables are a fantastic way to restart the engine when you have an extra car. If the battery is faulty it is required to replace it.
A poor receiver in the car may also block it from receiving the signal from the keyfob. It could be a issue with the antenna or wiring, or the key fob might be damaged. If you are using a new key fob it may require to be programmed to the vehicle. If you cannot fix the problem yourself call a professional technician. A technician trained in the field will be able identify the issue quickly, and resolve it quickly.
Radio Interference
Signs like key fob not being recognized or having a restricted range usually indicate that there is a problem with the system. It is either radiated or conducted, with the latter resultant from power supply cables and speaker wiring passing too close to electrical components. In general, rerouting cables and moving them away from these components will resolve the problem.
It's unlikely someone is watching the key fob's signal in the intention of stealing your car or vehicle, but it's possible that radio frequency interference has drowned out the signal. Fortunately, this is not a problem to repair.
If you're having issues with your key fob not being recognized, try a new battery. Also, ensure that the battery you are using is the proper size and type. Incorrectly sized batteries could harm the fob.
These devices could interfere with the key signal if they are using the same radio frequency. It is recommended to avoid using these devices on your key fob.
Pairing Issues
The remote keyless entry system of the car is equipped with an antenna that receives radio frequencies from the key fob. You will not be able start your vehicle if the receiver is malfunctioning even if your key fob is in good working order and is reprogrammable. This issue could be caused in a number of ways, including the battery of the coin-cell being dead or water damage. The receiver could also be malfunctioning due to a software glitch or internal damage to the key.
One of the most frequent reasons that your Peugeot 308 key fob isn't functioning is that the coin battery inside has gone out of service. The battery can be replaced, but be sure it's the proper battery for your keyfob. A bad battery can result in further problems with the key fob, so it is recommended to use the original or a replacement that is identical in size, voltage and specification.
Another reason the reason why your Peugeot 308 key fob might not work is because it has been paired to a different car. It is possible that you have accidentally given your key fob to a friend or it was used to unlock other vehicles. This can be resolved by reprogramming the key fob using an OBDII scan. This tool will usually ask you for specific information regarding your vehicle, like the VIN or engine type, so it's important to enter it correctly.