Peugeot 308 Key Fob Replacement
Peugeot's 308 may be catching on a bit however, it's still attractive. It's not the most luxurious car in its class, but it's an enjoyable and comfortable drive.
Here at Coded Car Keys we are often asked to replace peugeot 308 key fobs. The following tips can help whether the problem is intermittent, or constant.
Water Damage
If you accidentally drop your fob in the midst of a puddle or splash it with water when kayaking, swimming, canoeing, rafting or canyoning, it's more likely to sustain water damage. The best method to prevent this from happening is to keep it in a dry bag when you're outdoors or performing activities that require the fob to be exposed to a lot of water.
You'll also want to ensure that the fob is dry prior to opening it and using it again. If you notice any odors emanating from the fob such as an industrial-type liquid smell or windshield washer fluid, this is another sign that it's been submerged in water.
A wet circuit could cause the battery's power to be depleted or even explode. If you're able to pull your key fob 308 out 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. Take the battery out, and then wipe the circuit board down using a cotton swab which is dipped in 90 percent alcohol.
Other reasons your Peugeot 308 remote keyless entry system might 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 these causes the cause, you can try resetting the system by removing the battery with 12 volts 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 vehicle prior to entering. This feature is very beneficial particularly in cold winter months. However, it is possible that the remote start system stops operating due to a range of reasons, including a dead coin battery.
The coin-shaped battery within the key fob may last between two and four years, based on how frequently it is used, the location it was purchased and how it is utilized. The date of use is usually written on the package or marked in the manual.
If the key fob stops working after being exposed to pure tapwater, you need to remove the battery and clean the electronic chip using a paper towel soaked in isopropyl ethanol. Then dry the chip completely before replacing it. If you expose it to salty or soapy water, the chip could be fried and you will need to replace the key fob altogether.
If you're unsure if the battery is defective You can test its voltage with a multimeter set to your car's voltage range. Connect it to the plus and minus terminals. If the voltage is less than 12-13 volts, it is time to replace the battery. You can also reset your computer onboard by disconnecting and reconnecting the 12 volt batteries in reverse order. (positive cable first then negative cable). The engine should start after this.
Faulty Receiver Module
If you don't see the "Key Detected" you might find that your receiver module is not working properly. It's the component that sends an alarm to the car when your key fob is activated that also acts as an immobiliser and prevents it from starting until the correct key is used.
This could be due to a range of reasons, including water damage or simply ageing. If the electronic chip inside your Peugeot 308 keyfob has been damaged by dirty tap water it could be due to the fact that the keyfob was exposed it. In this situation it is necessary to take the unit apart and clean it thoroughly using isopropyl alcohol or electronic cleaner. When the battery is clean you can attempt to test it again.
If the issue is not resolved, it is a good idea to visit a local Peugeot expert or locksmith. They can use a diagnostic tool in order to identify the issue and fix it.
It can be stressful to lose your Peugeot car key. A professional auto locksmith can resolve the issue within minutes. They can cut a new key and programme it to your vehicle, ensuring that you can get back on the road again as fast as you can. Click here to find a local locksmith near you.
Faulty electronic chip

The electronic chip that is in the Peugeot 308 key fob is a critical role in the remote control system. If it is damaged, your car might not start or you might receive a message saying "anti-theft active". In this instance the only option is to replace the key. Fortunately, professional auto locksmiths can offer the service in the shortest amount of time.
The chip inside your Peugeot 308 key fob can be damaged by water damage, sweat dirt, or other reasons. If your Peugeot 308 key fob is exposed to soapy water, it is recommended to clean it right away. You can clean the electronic component using the help of a towel that is soaked in isopropyl Alcohol. After that, you should allow the battery to dry completely.
Radio interference can cause the key fob to stop working. This can be caused by other devices that operate at the same frequency as your Peugeot key fob. peugeot car keys can be caused by bad conditions or objects near to the vehicle. If you have this issue, it is best to visit the Peugeot dealership.
The Peugeot 207/308 Key Fob is delicate and requires special attention. It is essential not to throw or drop the key fob. If you lose it, try to find it as quickly as possible. You can reset the on-board computer by disconnection of the battery for a few minutes. Be sure to disconnect the negative cable first before connecting the positive.