Peugeot 308 Key Fob Problems and How to Fix Them
If your Peugeot 308 key fob stopped functioning one day, it could be due to a dead coin battery, water damage and receiver module issues or a malfunctioning electronic chip. These are all easy solutions and you'll be able to get your car back up to speed in no time!

Car keys can also become faulty 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 put in the new key blade for you.
Battery
The battery that powers the key fob on your Peugeot 308 can sometimes die or become too weak to send a strong signal to the car. The key fob could cease to function and stop you from locking or unlocking your doors or even starting your engine. You'll need a replacement battery for your key fob to correct this.
You'll need to buy a new battery from an auto parts store or your local hardware store. Make sure the battery is brand new and not sitting on the shelf too long. A brand new battery will have more capacity and will be able to transmit a stronger signal to the car.
After replacing the battery try unlocking the doors and locking them using the key fob. If the doors do not unlock it's likely that the issue lies to be in the receiver module of the car which can be programmed by your local Peugeot dealer.
The internal chip of the key fob may also be damaged. This could happen if you drop your key fob on the ground or expose it to water. The rubber seals that shield the chip from moisture might wear down over time, particularly if the key fob is exposed to water for lengthy period of time, like when you submerge it in the ocean at the beach. To avoid this from occurring, it's crucial to protect your key fob from moisture and not let it come into contact with water.
Water Damage
Don't lose hope on your key fob when it gets wet, no matter if you dropped it in the pool or slipped into a puddle. While the key fob has rubber seals that protect it from water, prolonged exposure to water could lead to damage to its electronic chip. Since water is such a good conductor so any water that is able to get inside the key fob can cause a chain of short circuits, which could eventually damage the chip. After taking the battery out, clean its contacts with isopropyl alcohol and dry it off completely before putting it back into.
A dead battery could be the reason that your Peugeot 308 won't start. Jumper cables can be a great method to start the engine in case you have an additional car. If peugeot 107 replacement key cost is defective and needs to be replaced, it should be replaced.
Another possible cause is a bad receiver in the vehicle, which can block the signal from the key fob. It could be a problem with the antenna or wiring or the key fob may be damaged. It might be necessary to programme a new key fob to your vehicle if using one. If you're unable to solve the issue, call a professional technician. A trained technician will be able identify the issue quickly and fix it promptly.
Radio Interference
Signs like key fob not being recognized or having a narrow range often mean that there is an interference in the system. The interference can be radiated or transmitted, which is caused by power cables and speaker cables being too close to electrical components. In general, rerouting cables or moving them away from these components can solve the issue.
It's unlikely someone is watching your key fob's signals in attempt to steal your vehicle It's possible, however, that radio interference has slowed the signal. This is a straightforward issue to repair.
If your key fob is not being recognized by the system, try a new battery. Make sure the battery is of the correct size and type. Batteries that are not of the correct dimensions can harm your battery.
These devices can interfere with the key signal if they use the same radio frequency. It is advised to avoid using these devices on your key fob.
Pairing Issues
The remote keyless entry system is a receiver that receives radio frequency signals from the key fob. If this receiver has developed an issue, you will not be able to start your car even if the key fob is functional and can be reprogrammed. The issue can be caused in a number of ways, such as a dead battery in the coin-cell, or water damage. The receiver may also be malfunctioning as a result of an internal or software issue or damage to the key itself.
One of the most frequent reasons for why your Peugeot 308 key fob isn't functioning is because the coin battery inside has gone out of service. It is easy to replace it by a new battery but it is important to get the right battery for your key fob. A bad battery can lead to further problems with the key fob, therefore it is recommended to use either the original or the replacement that is identical in size, voltage and specification.
Your Peugeot 308 keyfob may not work if it has been linked to a different vehicle. You could have accidentally handed the key fob to someone else or the key was used to unlock other vehicles. You can fix this by reprogramming the fob with an OBDII scanner. The scanner will usually ask you for specific information regarding your vehicle, for example the VIN or engine type, so it is essential to fill in the correct information.