Why No One Cares About Peugeot 308 Key Fob
Peugeot 308 Key Fob Replacement
Peugeot's 308 might be somewhat old-fashioned but it's still striking. It's not the most luxurious car in its class, but it is an enjoyable and comfortable drive.
We are often asked at Coded Car Keys to replace peugeot key fobs. Whether the problem is constant or intermittent these tips will assist.
Water Damage
If you leave your key fob in a pool or splash it with water during kayaking, swimming, canoeing, rafting or canyoning, it's probably to suffer water damage. The best way to avoid this from happening is to keep it in a dry bag when you're out in the open or engaging in activities where the fob could be exposed to excessive amounts of water.
You should also make sure that the fob is completely dry prior to opening it and using it again. If you detect any smells coming from the fob, like an industrial-like liquid smell or that of windshield washer fluid, it's another indication that it's submerged in water.
A wet circuit could cause the battery's charge to drain or even explode. If you are able to get the 308 keyfob from the water you need to turn the button side up and shake as much water as you can before opening the casing. After opening it, remove the battery and clean the circuit board with an abrasive soaked in 90-percent isopropyl alcohol.
Other reasons why your Peugeot 308 remote keyless entry system may fail to function include a dead coin battery or receiver module issues signal interference, an electronic chip that is damaged. If none of these are the reason it is possible to reset the system by disconnecting 12 voltage battery from the car for 15 mins.
Dead Coin Battery
Peugeot cars come with remote start systems which allows drivers to start their car from the distance, allowing them to warm up or cool down the vehicle before they enter. This feature is extremely beneficial, especially during cold winter months. The remote start system can not function due to a variety of reasons, including an inactive coin-battery.
The coin-shaped battery inside the key fob can last between two and four years based on how often it's used, the location it was purchased, and the way it is used. The date of use is displayed on the packaging or marked in the user's manual.
If the key fob has stopped working after exposure to clean tap water, you should remove the battery, then clean the electronic chip with a paper towel and isopropyl alcohol, and then dry it completely before replacing it. If exposed to salty or soapy water, the chip could be damaged and you'll need to replace the key fob completely.
If you're unsure if the battery is defective it is possible to test its voltage using a multimeter set to your vehicle's voltage range and connected to the plus and minus terminals. The voltage should range from 12 to 13 volts, however, if it reads lower, then the battery needs to be replaced. You can also reset your computer that is 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're not getting the "Key Detected" message on your dashboard, it's possible the receiver module has developed a fault. It's the part that sends out a signal when your key fob activates. It also functions as an alarm that stops the car from starting without the correct key.
This could be due to a range of factors including water damage or simply getting old. If the electronic chip within your Peugeot 308 keyfob has been damaged due to dirty tap water It could be because the keyfob was contaminated with it. In this scenario, you'll need to take it out and thoroughly clean it using isopropyl or electronic cleaner. Once it's dry, you can put the battery back in and test it again.
If the issue continues to persist, it is a good idea that you visit the local Peugeot expert or locksmith. They can employ the diagnostic tool to identify the issue and fix it.

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The KeyLab inside the Peugeot 308 key fob is an vital component of the remote control system. If the chip is damaged, you could be unable to start your car or get a message saying "anti-theft". If this occurs, the only way to fix the problem is to purchase a new key. Professional auto locksmiths can provide this service within the shortest possible time.
The chip in the key fob of your Peugeot 308 may become faulty for a variety of reasons, including sweat, water damage or dirt. If your Peugeot key fob has been exposed to soapy or dirty water, it should be cleaned immediately. You can clean the electronic component with paper towels soaked with isopropyl Alcohol. Then, you need to allow the battery to dry completely.
Radio interference can cause the key fob to cease working. This can be caused by other devices operating at the same frequency as your Peugeot key fob. This can be caused by problems with the environment or objects in the vicinity of the vehicle. If you have this issue, it is best to visit an Peugeot dealership.
The Peugeot Key Fob 207/308 is delicate and requires special care. It is important not to drop or throw the key fob. If you lose something, try to locate it as soon as possible. You can reset all the on-board computers by disconnecting the 12 volt battery for a few minutes. Make sure you disconnect the negative cable first, and then the positive.