Peugeot 308 Key Fob Problems and How to Fix Them If your Peugeot 308 key fob stopped working one day it could be due to a dead coin battery or water damage the receiver module or a defective electronic chip Fortunately, all of these are simple to fix, and you'll have your car back to normal in no time at all https//wwwthekeylabcouk/peugeot-car-keys/ can also be damaged because the blade of the key gets worn This is an easy fix by visiting your local Car Key Man Auto Locksmith and let them install an entirely new key blade for you Battery The battery that powers the key fob on your Peugeot 308 can sometimes die or become weak enough to send an effective signal to the car This can cause the key fob to stop functioning and prevent you from locking and opening the doors or 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 When you purchase the battery, make sure that it's brand fresh and hasn't just been sitting on the shelf for too long A new battery has greater capacity and can send a stronger signal your vehicle After replacing the battery Try locking and unlocking the doors of your Peugeot using the key fob If the doors don't unlock, the problem is likely to be in the receiver module of the car which can be changed by your local Peugeot dealer The internal chip of the key fob could also be damaged You could cause damage to your key fob if you drop it on the ground, or expose it to moisture The rubber seals that shield the chip from moisture could become worn down over time especially if your key ring is exposed to water for long periods of time like submerging it in the ocean at the beach To avoid this you should keep your key fob free of moisture and away from water Water Damage If your key fob gets wet and soaked, regardless of whether you dropped it in the pool or threw it into a puddle, don't assume that it's an accident The key fob is protected by rubber seals, but prolonged exposure to water may harm its electronic chip Water is a good conductor, and any water that gets inside the key fob will trigger an array of short circuits that eventually destroy the electronic chip After removing the battery, clean the contacts with isopropyl alcohol, and dry it off completely before putting it back in Your Peugeot 308 may not start due to the battery being dead If you have an extra car, jumper cables could be used to get the engine working again If the battery is faulty it is required to replace it A defective receiver in your car may also block it from receiving the signal from the key fob The key fob might be damaged or there may be a problem with the antenna, wiring or even the key fob itself If you have the latest key fob, it may need to be programmed into the vehicle If you are unable to fix the issue on your own call an expert technician A trained technician in the field will be able to diagnose the problem quickly, and then fix it right away Radio Interference For example, a key fobs not being recognized or having a restricted range often mean that there is a problem in the system This can be either radiated, or conducted, with the latter resultant from power supply cables and the speaker wiring being too close to electrical components In general, rerouting cables or moving them away from these components will resolve the issue It's unlikely that someone is watching the signals from your key fob to take your car away, but it is possible that the signal is being distorted by radio frequency interference Fortunately, this is not a problem to fix If you are having keys that are not recognized, try using an entirely new battery Make sure the battery is the right size and type Incorrectly sized batteries could harm the fob These devices can interfere with the key signal if they operate on the same radio frequency It is advised to avoid attaching these devices to your key fob Pairing Issues The remote keyless entry system in automobiles has an antenna that receives radio frequencies from the key fob If the receiver is experiencing problems, you won't be able to start your car regardless of whether the key fob is functional and is modified The issue can be caused in a number different ways, such as the battery of the coin-cell being dead or water damage The receiver could also be failing because of a software bug or internal damage to the key One of the most common reasons your Peugeot 308 key fob doesn't work is that the coin battery inside has died This battery can be easily replaced, but you need to be sure it's the right battery for your keyfob It is best to use batteries that are the same size in terms of voltage, size, and specifications as the original Another reason your Peugeot 308 key fob might not be working is because it is paired with a different car This can happen if you have given your key fob away to a friend or when the key has been used to unlock and begin other vehicles This issue can be solved by reprogramming your key fob with an OBDII scan The tool will ask you for information about your vehicle, for example, its VIN or engine type It is crucial to enter the correct information