"The Ultimate Cheat Sheet For Peugeot 308 Key Fob Peugeot 308 Key Fob Replacement

Peugeot's 308 could be catching on a little, but it still feels appealing. It's not the most luxurious car in its class - an Ford Focus or Volkswagen Golf will help you stay away from imperfections on the road - but it's still a pleasant and comfortable driving experience.

We often get asked at Coded Car Keys to replace peugeot key fobs. No matter if the issue is ongoing or continuous the following suggestions should help.

Water Damage

If you happen to leave your key fob in a pool or splash it with water while kayaking, swimming canoeing, rafting or canyoning, it's most likely to be damaged by water. Keep your key fob in a dry container whenever you go outside or engage in activities that expose it to excessive amounts water.

It's also essential to make sure that the fob is completely dried out prior to opening it and use it again. If you notice any odors emanating from the fob like an industrial smell or a sour taste like windshield washer fluid, it's another sign that it's submerged in water.

A wet circuit board can cause the battery to dump its charge, or even explode. If you're able to pull the 308 key fob of the water in which it got stuck in it, flip the button side down and shake it out as much water as possible before opening the case. Remove the battery, then clean the circuit board using a cotton swab which has been submerged in 90 percent alcohol.

Other reasons your Peugeot 308 remote keyless entry system could be unable to function could be due to an empty coin battery or receiver module issues signal interference, an electronic chip malfunctioning. If none of the above are the reason, you may try resetting the system by disconnecting the 12 volt battery for around 15 minutes.

Dead Coin Battery

Peugeot cars come with a remote start system that allows the driver to start the car from a distance by warming up or cooling down the car prior to entering. This feature is extremely beneficial particularly in cold winter months. Remote start systems may be stopped for a variety of reasons, including the battery being dead.

The coin-shaped battery contained inside the key fob will last between two and four months, depending on the frequency with which it is used, the location it was purchased and how it is utilized. The date for use-by is typically printed on the packaging or written in the manual.

If the key fob is no longer working after being exposed to clean tapwater, remove the battery and clean the electronic chip with an absorbent paper towel that has been soaked in isopropyl ethanol. Then, dry the chip thoroughly before replacing. In the event of exposure to soapy or salty water, the chip could be damaged and you'll need to replace the key fob in total.

If you're not sure the battery is in good condition you can check its voltage with an instrument set to the car's voltage range, and connect it to the plus and minus terminals. If the voltage is lower than 12-13 volts then you need to 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 then start.

Faulty Receiver Module

If you don't get the "Key Detected" It could be that your receiver module is malfunctioning. It is the part which sends out an alert when your key fob is activated. It also acts as an alarm and prevents the car from starting without the correct key.

This could result from a variety of reasons, including water damage or simply ageing. If your Peugeot 308 key fob has been exposed to dirty tap water, like, the electronic chip inside the device will be damaged. In this scenario you'll need to remove off the battery and thoroughly clean it with isopropyl alcohol or an electronic cleaner. Once it's dry, you can put the battery back in and test it again.

If the issue persists the issue persists, it's a good idea to visit an area Peugeot specialist or locksmith. They'll be able to make use of a diagnostic device to identify the problem and fix it.

It is stressful to lose your Peugeot car key. However, The KeyLab can resolve the issue in only a few minutes. They can program your vehicle and cut a new, functioning key for you. Click here to find the nearest locksmith.

Electronic chip malfunctions

The electronic chip in your Peugeot 308 key fob is a very crucial component of the remote control system. If the chip is damaged, you could experience difficulties starting your vehicle or receive a message stating "anti-theft". If this occurs, the only way to fix the problem is to get a new key. Auto locksmiths who are professionals are able to provide this fastest possible time.


The chip inside your Peugeot 308's key fob could fail due to many reasons, such as sweat, water damage or dirt. If your Peugeot 308 key fob has been exposed to soapy water, you should cleanse it immediately. You can clean the electronic component with a paper towel soaked in isopropyl Alcohol. The battery should then be allowed to dry completely.

Radio interference can cause a key fob to cease working. This can be caused by other devices that operate on the same frequency as your Peugeot key fob. It could also be caused by weather conditions or objects around the vehicle. If you experience this problem you should visit an Peugeot dealership.

The Peugeot 207/308 key fob is very delicate and requires extra attention. It is essential not to throw or drop the key fob. If you lose something, try to locate it as soon as you are able to. You can reset all on-board computers by disconnecting the battery that is 12 volts for a short period of time. Unplug the negative cable prior to the positive.