Peugeot 308 Key Fob Replacement
Peugeot's 308 may be catching on a little however it's still attractive. It's not the most luxurious vehicle in its class, but it's a pleasant and peaceful drive.
We often get asked at Coded Car Keys to replace peugeot key fobs. The following tips will aid in solving the issue whether it is ongoing or intermittent.
Water Damage
If you accidentally drop your key fob into a puddle, or if it gets wet while kayaking, canoeing, rafting or canyoning it is likely to be damaged by water. The best way to stop this from happening is to always keep it in a dry bag when you're out in the open or engaging in activities that require the fob to be exposed to large amounts of water.
You'll also need to ensure that the fob is completely dry before opening it up and re-using it. If you detect any odors from the fob (such as industrial fluid or windshield washer fluid) it is a indicator that it is submerged.
A wet circuit board can cause the battery to dump its charge, or even explode. If you're able, if you can, pull your key fob 308 out of the water body it got stuck in then flip the button side down and shake out as much water as you can before opening the case. Once you have opened it, take out the battery and wipe down the circuit board using a cotton swab dipped in 90-percent isopropyl alcohol.
Other causes why your Peugeot 308 remote entry keyless system might not function could be due to a dead coin-cell battery, receiver module problems signal interference, or a faulty chip. If none of these causes the issue, try resetting the system by removing the 12 volt battery for approximately 15 minutes.

Dead Coin Battery
Peugeot cars come with a remote start system that allows the driver to start the car from afar, warming up or cooling down the vehicle prior to stepping inside. This feature is extremely beneficial particularly during the winter's cold and chilly months. Remote start systems can stop working for a variety reasons, including the battery being dead.
The coin-shaped battery contained inside the key fob could last between two and four months, depending on the frequency with which it is used, the location it was purchased and how it is used. The date for use-by is typically printed on the package or marked in the manual.
If the key fob stopped working after being exposed pure tapwater, you need to remove the battery and clean the electronic chip with a paper towel soaked in isopropyl ethanol. Then dry the chip thoroughly before replacing it. If the key fob has been exposed to soapy or salty water, it could have caused the chip to become damaged. peugeot car key cover is necessary to replace it.
If you're not sure whether the battery is damaged you can check the voltage using a multimeter connected to both the minus and plus terminals. If the voltage is lower than 12-13 volts you must replace the battery. Alternatively, you can try to reset your on-board computer by disconnecting the battery with 12 volts for a short period of time, and then reconnecting it in reverse order (positive cable first, then negative). The engine should then start.
Faulty Receiver Module
If you don't see the "Key Detected" message, it could mean that your receiver module is malfunctioning. It's that part that sends an alert to the car when your key fob is activated which acts as an immobiliser. It also stops it from starting unless the key that you want to use is present.
This could be due to a range of reasons, including water damage or simply ageing. If your Peugeot 308 key fob was exposed to dirty tap water, as in, the electronic chip inside the device will be damaged. In this scenario, you'll have to remove it and thoroughly clean it with isopropyl or electronic cleaner. Once the battery has dried you can attempt to test it again.
If the issue persists, it is recommended to consult an area Peugeot expert or locksmith. They'll make use of a diagnostic device to identify the problem and fix it.
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Faulty Electronic Chip
The electronic chip that is in the Peugeot 308 key fob plays an essential part in the remote control system. If it gets damaged, your car may not start or you may receive a message saying "anti-theft active". In this situation the only option is to replace the key. Fortunately, auto locksmiths with experience can offer the service in the shortest time.
The chip in the chip of your Peugeot 308 key fob can become faulty due to sweat, water damage dirt, or other causes. If your Peugeot key fob has been exposed dirty or soapy water, it must be cleaned promptly. You can make use of a paper towel and isopropyl alcohol for cleaning the electronic component. The battery must then be allowed to fully dry.
Radio interference can cause the key fob's functionality to cease. This could be caused by other devices that operate on the same frequency as your Peugeot key fob. It could be caused by problems with the environment or objects in the vicinity of the vehicle. If you experience this issue, it is best to visit a Peugeot dealership.
The Peugeot Key Fob 207/308 is delicate and requires particular care. You should not drop it or throw it around. 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 couple of minutes. Be sure to disconnect the negative cable first before connecting the positive.