Peugeot 308 Key Fob Problems and How to Fix Them If your Peugeot key fob suddenly stopped working, it could be due to an unresponsive battery in the coin-cell or damaged receiver modules, water issues, or a malfunctioning chip Fortunately, these issues are easy to fix, and you'll have your car back to normal in no time Car keys can also be damaged due to the blade getting worn It is easy to fix by visiting your local Car Key Man Auto Locksmith and let them fit a new key blade for you Battery The battery for the key fob in your Peugeot 308 can sometimes die or become too weak to send an energizing signal to the car This can cause the key fob to cease working which prevents you from locking or opening the doors or even starting your engine You'll need a new battery on your key fob to correct 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 not stored on the shelf for too long A brand new battery will have more capacity and be able to send a more powerful signal to the car After replacing the battery try unlocking the doors and locking them with the key fob If the doors won't open, the problem is likely in the car's receiver module, which can be reprogrammed by your local Peugeot dealer It's possible that the chip inside your key fob has been damaged This could happen if you drop your key fob on the ground or expose it to water Rubber seals that shield your chip from moisture might wear out over time This is particularly true when you expose your key fob to water for extended periods of time, like submerging it at the beach in the ocean To prevent this from happening it is recommended to keep your key fob away of moisture and away from water Water Damage Don't lose hope on your key fob if it gets wet, no matter if you dropped it into an aquisition or stumbled into a puddle The key fob is protected by rubber seals however, prolonged exposure to water can harm its electronic chip Because water is an excellent conductor, any water that makes it inside the key fob could result in a series of short circuits which will eventually damage the chip After taking the battery out, clean its contacts with isopropyl Alcohol and dry it completely before putting it back into Your Peugeot 308 may not start due to the battery being dead Jumper cables are an excellent option to restart the engine if you have an additional car If the battery has a problem and needs to be replaced, it should be replaced A defective receiver in your car may also block it from receiving the signal from the keyfob The key fob may be damaged or there could be a problem with the antenna, wiring or key fob itself If you have a new key fob it may require to be programmed to your vehicle If you are unable fix the issue on your own seek out an expert technician A trained technician in the field will be able to identify the issue quickly, and fix it immediately Radio Interference Signs like keys not being recognized or having a restricted range usually indicate that there is an interference in the system This can be either radiated, or conducted, with the former resultant from power supply cables or the speaker wiring being too close to electrical components Usually, rerouting the cables or moving them away from these components can resolve the issue It's unlikely that someone is listening in on the signals from your key fob to steal your car, however it's possible that the signal has been drowned out by radio frequency interference https//wwwthekeylabcouk/peugeot-car-keys/ is an easy issue to repair If you're experiencing a problem with your key fob not being recognized, try using a fresh battery Also, make sure that the battery is of the right size and type Incorrectly sized batteries could harm the fob Certain alarm systems and radar detectors use the same radio frequency as your key fob, and they could cause them to interfere with your key signals Avoid connecting these devices to your key fob Pairing Issues The remote keyless entry system is a receiver that receives radio frequency signals from the key fob It will not be possible to start your car if this receiver is not functioning properly, even if your key fob is functioning and can be reprogrammed The issue can be caused by a variety of ways, including by a dead battery in the coin-cell, or water damage The receiver may also be malfunctioning due to a software issue or internal damage in the key One of the most common reasons that your Peugeot 308 key fob isn't functioning is that the battery inside has failed It is possible to replace it by a new battery but it is important to select the correct battery for your key fob Using an incorrect battery could result in further problems with the key fob, therefore it is recommended to use either the original or an equivalent replacement in size, voltage and specification Another reason the reason your Peugeot 308 key fob might not work is because it is paired with another vehicle You may have accidentally given your key fob a friend, or the key was used to unlock other vehicles This can be resolved by reprogramming the key fob using an OBDII scanner The tool will ask you for information about your vehicle, including its VIN or engine type It is important that you enter the correct details