Peugeot 308 Key Fob Replacement
Peugeot's 308 could be catching on a little however, it's still attractive. It's not the most luxurious vehicle in its class, but it is an enjoyable and comfortable drive.
Here at Coded Car Keys we are often asked to replace peugeot 308 key fobs. The following tips can aid whether the issue is persistent or intermittent.
Water Damage

If you accidentally drop your key fob into an eddy, or it is wet while kayaking, canoeing or rafting or canyoning it is likely to be damaged by water. The best way to stop this from happening is to keep it in a dry bag when you're outside or performing activities where the fob could be exposed to a lot of water.
It's also essential to make sure that the fob has dried out before you open it up and then use it again. If you notice any odors coming from the fob, like an industrial-like liquid smell or windshield washer fluid, it's another indication that it's submerged in water.
A circuit that is wet can cause the battery's charge to drain or even explode. If you can get your keyfob 308 from the water you need to turn the button side up and shake as much water out as you can prior to opening the casing. After opening it, remove the battery and wipe down the circuit board with a cotton swab dipped in 90-percent isopropyl alcohol.
Other reasons that your Peugeot 308 remote entry keyless system might not function include a dead coin cell battery or receiver module issue, signal interference or a damaged chip. If none of these is the issue, try resetting your system by disconnecting the battery with 12 volts for around 15 minutes.
Dead Coin Battery
Peugeot cars are equipped with remote start systems that lets drivers start their car from the distance, allowing them to warm up or cool down the car prior to entering. This feature is extremely useful, especially during cold winter months. Remote start systems can not function due to a variety of reasons, such as the dead battery in the coin-battery.
The coin-shaped battery located inside the key fob can last between two and four years, based on how often it's used, the location it was purchased, and how it is utilized. The date of use is typically found on the packaging or written in the manual.
If the key fob is no longer working after being exposed to water that is clean, remove the battery and clean the electronic chip using an absorbent paper towel that has been soaked in isopropyl ethanol. Then dry the chip thoroughly before replacing it. If you expose it to soapy or salty water, the chip might be damaged and you'll need to replace the key fob in total.
If you're unsure whether the battery is defective You can test its voltage using a multimeter attached to both the plus and minus terminals. The voltage should be around 12 to 13 volts, but if it is lower, the battery should be replaced. Alternatively, you can try to reset the on-board computer by disconnecting the 12 volt battery for a short period of time, and then reconnecting it in reverse order (positive cable first, then negative). The engine should begin to run after this.
Faulty Receiver Module
If you're not seeing the "Key Detected" message on your dashboard, then it's possible that your receiver module has discovered a problem. It's the part that transmits an alert when your key fob turns on. It also acts as an alarm and blocks the car from starting without the correct key.
This could result from a variety of causes including water damage or simply the aging process. 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 take the unit apart and clean it thoroughly with isopropyl alcohol or electronic cleaner. Once it's dry, you can put the battery back into the battery and try again.
If the issue persists, it is recommended to see an area Peugeot expert or locksmith. They'll be able use a diagnostic tool to identify the problem and fix it.
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Faulty Electronic Chip
The electronic chip in the Peugeot 308 key fob is a critical part in the remote control system. If the chip is damaged, you could have problems starting your car or get a message saying "anti-theft". In this case, the only solution is to replace the key. Fortunately, professional auto locksmiths can offer the service in the shortest amount of time.
The chip in the key fob of your Peugeot 308 could fail due to many reasons, such as sweat, water damage, or dirt. If your Peugeot 308 key fob is exposed to soapy water, you should clean it right away. You can make use of a towel and isopropyl alcohol to clean the electronic component. After that, you should let the battery dry completely.
Radio interference can cause a 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 poor conditions or objects in the vicinity of the vehicle. If you experience this problem, it is best to visit an Peugeot dealership.
The Peugeot Key Fob 207/308 is delicate and requires 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 all on-board computers by disconnecting the battery that is 12 volts for a few minutes. Remove the negative cable before the positive.