Peugeot 308 Key Fob Problems and How to Fix Them
If your Peugeot 308 key fob has stopped functioning one day, it could be due to a dead battery in the coin or water damage, receiver module issues or a defective electronic chip. Fortunately, these issues are easy to fix and you'll be able to get your vehicle back to normal in no time!
The key blade may become worn out and cause a malfunctioning car key. It is easy to fix when you visit your local Car Key Man Auto Locksmith and let them put in the new key blade for you.
Battery
The key fob of your Peugeot 308 may die or become weak enough to not transmit a strong signal. This can cause the key fob to stop functioning, preventing you from locking or opening the doors, or even starting your engine. To fix this issue, you'll need to replace the battery on your key fob.
You can purchase a new battery at an auto parts shop, or at your local hardware store. When you buy the battery, ensure that it's fresh and hasn't just been sitting on the shelf for a long time. A new battery will have greater capacity and will also be able to transmit a stronger signal to the car.

After replacing the battery If you have a new battery, try unlocking and locking the doors of your Peugeot using the key fob. If the doors don't unlock the issue is likely in the car's receiver module that can be reset by your local Peugeot dealer.
The internal chip of the key fob might be damaged. This could happen when you drop your key fob on the ground or expose it to water. The rubber seals that shield the chip from moisture might become worn down over time especially if your key ring is exposed to water for lengthy periods of time, such as submerging it in the ocean at the beach. To avoid this you should keep your key fob out of water and out of water.
Water Damage
Don't lose hope on your key fob if it gets wet, no matter if you slipped into an aquisition or stumbled into a water puddle. While the key fob has rubber seals that should protect it from water, prolonged exposure to water may result in damage to its electronic chip. Water is a great conductor and any water that comes into the key fob can cause a series short circuits which can eventually harm the electronic chip. After taking the batteries out, clean its contacts with isopropyl, and then dry them completely before putting them back into.
Your Peugeot 308 may not start due to the battery being dead. Jumper cables can be a great method to start the engine when you have an additional car. If the battery is defective the battery must be replaced.
Another possibility is an ineffective receiver in the vehicle, which may stop it from receiving a signal from the key fob. The key fob could be damaged or there could be a problem with the antenna, wiring or key fob itself. If you're using a new key fob, it could need to be programmed into the vehicle. If you are unable to solve the issue, you should contact a professional technician. A trained technician in the field will be able to diagnose the problem quickly, and resolve it quickly.
Radio Interference
For example, a key fobs not being recognized or with a limited range of operation usually mean there is an interference in the system. The interference can be radiated or transmitted, the latter being caused by power and speaker cables getting too close to electrical parts. In general, rerouting cables or moving them away from these components will solve the issue.
It's unlikely that anyone is listening in on your key fob signals to take your car away, but it's possible that the signal has been drowned out by radio frequency interference. Fortunately, this issue is simple to repair.
If your key fobs that aren't being recognized, try a new battery. Also, ensure that the battery is the proper size and type. Batteries that are not the right size can damage your fob.
These devices can interfere with the key signal if they are using the same radio frequency. It is best to avoid using these devices with your key fob.
Pairing Issues
The remote keyless entry system of cars has a receiver which receives radio signals from the key fob. If this receiver develops a problem, you won't be in a position to start your car even if your key fob is working and can be reprogrammed. The issue can result from a variety of things, including an inoperative coin battery or water damage. The receiver may also be malfunctioning as a result of an internal or software glitch or damage to the key itself.
The coin battery in your Peugeot 308 keyfob is likely to have died. The battery can be replaced, however you must be sure it's the right battery for your key fob. It is recommended to use one that is the same size, voltage, and specification as the original.
g28carkeys.co.uk why your Peugeot 308 key fob might not be working is that it is connected to a different car. This could be the case if you have given your key fob to someone else or it has been used to unlock or start other vehicles. This can be fixed by reprogramming your key fob with an OBDII scan. This tool will usually ask you for certain information about your vehicle, for example the VIN or engine type, and it's crucial that you enter this information correctly.