The 10 Most Scariest Things About Peugeot 208 Key Replacement
Peugeot 308 Key Fob Problems and How to Fix Them
If your Peugeot 308 key fob stopped working for a while it could be due to a dead battery in the coin, water damage and receiver module issues or a damaged electronic chip. These are all easy fixes and you can restore your car to speed in no time!
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Battery
The battery that powers the key fob on your Peugeot 308 can sometimes die or become insufficient to send an energizing signal to the car. This could cause the key fob to stop functioning, preventing you from opening and locking the doors or starting your engine. To fix this issue, you'll have to replace the battery inside the key fob.
You can buy a brand new battery at an auto parts shop, or at your local hardware store. When you purchase the battery make sure that it's brand new and hasn't been sitting on the shelf for a long time. A brand new battery will have more capacity and can send a stronger signal the car.
After replacing the battery, try unlocking the doors and locking them with the key fob. If the doors aren't unlocking, the problem is likely with the car's receiver module, which can be reprogrammed by your local Peugeot dealer.
The chip inside the key fob may also be damaged. It is possible to cause damage to your key fob if you drop it on the ground, or expose it to water. Rubber seals that shield your chip from moisture might be worn out over time. This is particularly true if you expose your key fob to water for extended periods of time, like submerging it at the beach in the ocean. To avoid this happening, it's essential to protect your key fob from moisture and never let it come in contact with water.
Water Damage
Don't let go of your key fob when it becomes wet, whether you dropped in the pool or stumbled into a water puddle. The key fob is protected by rubber seals however, prolonged exposure to water can damage its electronic chip. Water is a great conductor, and any water that comes into the key fob could cause the short circuits to be in series, which will eventually ruin the electronic chip. After removing the battery, scrub its contacts with isopropyl alcohol, and dry it completely before putting it back into.

Your Peugeot 308 may not start due to an unresponsive battery. If you have a spare vehicle, jumper cables may be used to start the engine again. If you suspect that the battery is at fault the battery will need to be replaced.
A malfunctioning receiver in the car may also hinder it from receiving the signal from the key fob. It could be a issue with the antenna, or wiring, or the key fob may be damaged. It may be necessary to program a new keyfob for your vehicle if you are using one. If you cannot fix the issue on your own seek out a professional technician. A technician who is trained in the field will be able determine the issue quickly and resolve it quickly.
Radio Interference
For example, a keys not being recognized or having a limited range often mean that there is a problem in the system. It is either radiated or conducted, with the former being caused by power supply cables or speaker wiring passing too close to electrical components. In general, rerouting cables and moving them away from these components will fix the problem.
It's unlikely someone is listening to your key fob's signal in attempt to steal your car or vehicle, but it's possible that radio interference has slowed the signal. Fortunately, this is not a problem to repair.
If your key fob is not being recognized by the system, try replacing the battery. Also, ensure that the battery is of the correct size and type. Incorrectly sized batteries could harm the fob.
These devices may interfere with the key signal if they operate on the same radio frequency. 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. If the receiver has developed problems, you won't be capable of starting your car regardless of whether the key fob is working and can be changed. The issue can be caused by a range of factors, including a dead coin battery and water damage. The receiver could also be faulty because of a software bug or internal damage to the key.
One of the main reasons why your Peugeot 308 key fob isn't functioning is that the battery inside has gone out of service. The battery can be replaced, however you must be sure it's the proper battery for your key fob. It is recommended to use an item that has the same size in terms of voltage, size, and specifications as the original.
Another reason why the reason why your Peugeot 308 key fob might not be working is due to the fact that it is linked to another 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 using an OBDII scanner. This scanner will typically ask you for specific information regarding the vehicle, such as the VIN or engine type, and it's important to fill in the correct information.