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25 Surprising Facts About Peugeot 308 Key Fob
Peugeot 308 Key Fob Replacement

Peugeot's 308 might seem a little old however it's still attractive. It might not be the plushest car in its class but the Ford Focus or Volkswagen Golf will protect you from surface imperfections - but it's still a pleasant and civilised driving experience.

Here at Coded Car Keys we are often asked to replace peugeot 308 key fobs. The following suggestions will assist whether the issue is constant or intermittent.

Water Damage

If you leave your key fob in a puddle or splash it with water while swimming, kayaking, canoeing, rafting or canyoning, it's most likely to be damaged by water. Keep your key fob in a dry container whenever you go outdoors or do things that expose it to large amounts of water.

You'll also want to make sure that the fob is completely dry prior to opening it and reusing it. If you smell any odors from the fob (such as industrial liquid or windshield washer fluid) This is a further sign that it has been submerged.

A wet circuit may cause the battery's charge to drain or even explode. If you're able to fish your key fob 308 out of the water in which it got stuck in, flip the button side down and shake out as much water as possible before opening the case. When you've opened it, remove the battery, and then clean the circuit board using the help of a cotton swab that has been dipped in 90-percent isopropyl alcohol.

Other reasons why your Peugeot 308 remote entry keyless system might not function include a dead battery in the coin-cell or receiver module issues signal interference, or a damaged chip. If none of these is the problem, you can try resetting your system by disconnecting the 12 volt battery for about 15 minutes.

Dead Coin Battery

Peugeot cars come with remote start systems which allows drivers to start their vehicle from an extended distance, which allows them to warm up or cool down the car prior to entering. This feature is very beneficial, especially in the cold winter months. Remote start systems may cease to function for a variety reasons, such as a dead coin-battery.

A coin-shaped battery that is in the key fob has a life span of between two and four years, based on how often it's used and where it's purchased. The use-by date will be written on the packaging or mentioned in the user's manual.

If the key fob is not functioning after exposure to water that is clean and you want to take the battery off, clean the electronic chip with a paper towel and isopropyl alcohol, and then dry it completely before replacing it. In case of exposure to soapy or salty water, the chip could be fried and you will need to replace the key fob completely.

If you're not sure that the battery is not working properly, you can test its voltage using a multimeter set to your vehicle's voltage range and connected to the minus and plus terminals. If the voltage is less than 12-13 volts then you should replace the battery. You can also reset the computer onboard by disconnecting and reconnecting the 12 volt batteries in reverse order. (positive cable first then negative cable). The engine should begin to run after this.

Faulty Receiver Module

If you don't get the "Key Detected", it could be the receiver module defective. It's the 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 key that you want to use is present.

Recommended Browsing could be due to a number of reasons, including water damage or simply ageing. If your Peugeot 308 key fob has been exposed to dirty tap water, for example the chip that is located inside is damaged. In this scenario, you'll need to remove it and thoroughly clean it using isopropyl or an electronic cleaner. Once the battery is dry then you can try again.

If the problem persists it is a good idea to visit the local Peugeot expert or locksmith. They can utilize an instrument for diagnosing to pinpoint the issue and repair it.

Losing your Peugeot car keys could be an incredibly stressful experience. However, a reputable auto locksmith can resolve the issue in just a few minutes. They can cut a brand new key and program it to your vehicle, so you're on the road again in the shortest amount of time. Find a locksmith in your area.

Faulty Electronic Chip

The electronic chip in the Peugeot 308 key fob plays an essential function in the remote control system. If the chip is damaged, you could experience difficulties starting your vehicle or receive a message stating "anti-theft". In this scenario the only option is to replace the key. Fortunately, auto locksmiths with experience are able to provide this service in the shortest time.

The chip inside the key fob of your Peugeot 308 may fail due to a variety of reasons, such as sweat, water damage, or dirt. If your Peugeot 308 key fob has been exposed to soapy water, it is recommended to clean it right away. You can make use of a paper towel and isopropyl alcohol to clean the electronic component. The battery must then be allowed to dry completely.


Radio interference can cause the key fob to stop functioning. This could be caused by other devices operating on the same frequency as your Peugeot key fob. This could be due to poor conditions or objects within the vicinity of the vehicle. If you encounter this issue it is recommended to visit a Peugeot dealership.

The Peugeot 207/308 Key Fob is delicate and needs special care. It is crucial not to throw or drop the key fob. If you lose something, try to locate it as soon as possible. You can reset your on-board computer by disconnection of the battery for a few minutes. Unplug the negative cable prior to the positive.

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