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What Is Peugeot 308 Key Fob? Heck What Is Peugeot 308 Key Fob?
Peugeot 308 Key Fob Replacement

Peugeot's 308 might seem slightly old but it's attractive. It's not the plushest car in its class and an Ford Focus or Volkswagen Golf will shield you from road imperfections, but it's a relaxed and pleasant drive.

We are often asked at Coded Car Keys to replace peugeot key fobs. If the issue is persistent or intermittent the following suggestions should aid.

Water Damage

If you leave your key fob in a pool or get it wet while swimming, kayaking, canoeing, rafting or canyoning, it's most likely to sustain water damage. Keep your key fob in a dry, dry bag each time you go outdoors or do activities that could expose it to large amounts of water.

It's also important to make sure that the fob is completely dried out prior to opening it to use it again. If you notice any odors emanating from the fob such as an industrial-type liquid smell or that of windshield washer fluid, it's another indication that it's submerged in water.

A circuit board that's wet can cause the battery to dump its charge, or even explode. If you can remove the 308 keyfob from the water and turn it upside up and shake as much water out as you can prior to opening the casing. After you open it, take off the battery, and then clean the circuit board with an abrasive soaked in 90-percent isopropyl alcohol.

Other reasons why your Peugeot 308 remote keyless entry system may be unable to function could be due to a dead battery for your coin or receiver module issue signal interference, an electronic chip that is damaged. If none of these causes the issue, try resetting the system by disconnecting the 12 volt battery for approximately 15 minutes.

Dead Coin Battery

Peugeot cars come with remote start which allows drivers to start their vehicle from some distance, which allows them to warm up or cool down the car prior to entering. This feature is very useful especially during the cold winter months. But sometimes, the remote stop system stops working due to a variety of reasons, such as the battery of a coin that is dead.

The coin-shaped battery contained within the key fob may last between two and four months, depending on how frequently it is used, the location it was purchased, and the way it is utilized. The date of use will be displayed on the packaging or marked in the user's manual.

If the key fob is not functioning after exposure to clean tap water it is recommended to take the battery off, clean the electronic chip using a paper towel and isopropyl alcohol, and then dry it thoroughly before replacing it. If the key fob has been exposed to soapy or salty water, it may have fried the chip. It is necessary to replace it.

If you're unsure whether the battery is in good condition it is possible to check its voltage using a multimeter connected to both the minus and plus terminals. The voltage should be around 12-13 volts, but if it's lower, the battery needs to be replaced. You can also reset the onboard computer by disconnecting and reconnecting the 12 volt batteries in reverse order. (positive cable first then negative cable). The engine should start.

Faulty Receiver Module

If you're unable to see the "Key Detected" message on your dashboard, then it's possible that the receiver module has been afflicted with a fault. It's that part that sends an indication to the car when your key fob is activated that also acts as an immobiliser. It stops it from starting unless the correct key is present.

This could be due to a variety of factors including water damage or simply getting old. If your Peugeot 308 key fob has been exposed to dirty tap water, as in the chip that is located on the inside will be damaged. In this case you will have to take it off and thoroughly clean it with isopropyl or an electronic cleaner. Once it's dry you can put the battery back in and try it again.

If the issue persists, it is recommended to visit a local Peugeot expert or locksmith. They can employ an instrument for diagnosing to pinpoint the issue and fix it.

It can be a stressful experience to lose your Peugeot car key. A reputable auto locksmith can solve the problem within minutes. They can cut a new key and programme it to your vehicle, ensuring that you're out on the road in the shortest amount of time. Find the nearest locksmith.

Faulty Electronic Chip

The electronic chip that is in the Peugeot 308 key fob plays a crucial function in the remote control system. If it becomes damaged, your car may not start or you may receive a message stating "anti-theft active". In this situation, the only solution is to replace the key. Auto locksmiths with experience can provide this service within the shortest possible time.

The chip inside the chip of your Peugeot 308 key fob can become faulty due to sweat, water damage dirt, or other reasons. If your Peugeot key fob has been exposed to dirty or soapy water, it must be cleaned as soon as possible. You can clean the electronic component using the help of a towel that is soaked in isopropyl Alcohol. Then, you need to let the battery completely dry.


Radio interference can cause a key fob to cease working. G28 Car Keys can be caused by other devices that operate at the same frequency as your Peugeot key fob. This can be caused by poor conditions or objects close to the vehicle. It is recommended that you visit a Peugeot dealer in the event of this issue.

The Peugeot key fob 207/308 is very delicate and requires attention. You shouldn't drop it or throw it around. If you lose something, try to find it as soon as you can. You can reset the on-board computer by disconnection of the battery for a few minutes. Be sure to disconnect the negative cable first before connecting the positive.

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