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Peugeot 308 Key Fob Problems and How to Fix Them If your Peugeot key fob suddenly stopped working it could be due to an inoperative battery for the coin-cell or water damage, receiver modules problems, or a damaged chip. These are all easy solutions that will bring your car back to speed in no time! Car keys can also get damaged due to the fact that the blade on the key gets worn. This is an easy fix to fix the problem if you go to your local Car Key Man Auto Locksmith and let them fit the new blade for you. Battery The key fob in your Peugeot 308 may die or become weak enough to not transmit a strong signal. The key fob could not function and stop you from locking or unlocking your doors, or starting the engine. You'll need a replacement battery for your key fob to repair this. You'll have to purchase the replacement battery from an auto parts store or at your local hardware store. Make sure that the battery is brand new and not sat on the counter for too long. A brand new battery has more capacity and can send a stronger signal your car. After replacing the battery, try unlocking the doors and locking them with the key fob. If the doors won't unlock then the receiver module in the car is responsible. The local Peugeot dealer can reprogram the receiver module. It's possible that the chip inside your key fob has been damaged. It's possible to cause damage to your key fob if you drop it on the ground, or expose it to water. The rubber seals that shield the chip from moisture can become worn down over time especially if your key ring is exposed to water for lengthy period of time, like when you submerge it in the ocean at the beach. To avoid this, you should keep your key fob out of moisture and away from water. Water Damage Don't let go of your key fob when it gets wet, regardless of whether you dropped it into the pool or stumbled into a Puddle. Although the key fob is equipped with rubber seals to protect it from water, long-term exposure to water may cause damage to the electronic chip. Water is a great conductor and any water that enters the key fob will trigger short circuits in series which can eventually harm the electronic chip. After removing the battery, clean its contacts with isopropyl alcohol and dry it off completely before putting it back in. A dead battery can also be the reason your Peugeot 308 won't start. If you have an extra car, jumper cables could be used to start the engine again. If the battery is causing the problem the battery will need to be replaced. A malfunctioning receiver in the car may also hinder it from receiving the signal from the keyfob. The key fob could be damaged, or there could be a problem with the antenna, wiring or the key fob itself. It could be necessary to program a new keyfob to your vehicle if you are using one. If you're not able to solve the issue, contact a professional technician. A technician who is trained in the field will be able identify the issue quickly, and resolve it quickly. Radio Interference Interference can trigger symptoms like a key fob that's not recognized or has a restricted range. It is either radiated or conducted, with the latter resultant from power supply cables or the speaker wiring being too close to electrical components. In general, rerouting cables or moving them away from these components will fix the issue. It's unlikely someone is listening to your key fob's signals in an attempt to steal your vehicle It's possible, however, that radio interference has ruined the signal. Fortunately, this is not a problem to repair. If you're experiencing a problem with your key fobs that aren't being recognized, try a new battery. Also, ensure that the battery you are using is the proper size and type. Incorrectly sized batteries can damage the fob. The Key Lab could interfere with the key signal if they use the same radio frequency. It is recommended to avoid having these devices attached to your key fob. Pairing Issues The remote keyless entry system contains an antenna that receives radio frequency signals from the key fob. You will not be able start your vehicle if this receiver isn't working even if the key fob is functioning and is reprogrammable. The issue could be caused by a range of things, including a dead coin battery and water damage. The receiver could also be faulty because of a software bug or internal damage in the key. The battery that powers your Peugeot 308 keyfob may have gone out of service. This battery can be replaced, but you need to make sure that it is the appropriate battery for the key fob. The wrong battery could cause further issues with the key fob, so it is best to choose the original battery or an alternative that is similar in size, voltage and specification. Another reason that your Peugeot 308 key fob might not be working is because it is paired with an unrelated vehicle. This can happen if have given your key fob away to a friend or it has been used to unlock and start other vehicles. You can resolve this by reprogramming your key fob using an OBDII scanner. This scanner will typically ask you for specific information regarding your vehicle, for example the VIN or engine type, so it's crucial that you enter this correctly.