Peugeot 308 Key Fob Replacement
Peugeot's 308 might be slightly old, but it is still attractive. It's not the most luxurious car in its class and a Ford Focus or Volkswagen Golf will isolate you even better from imperfections on the road - but it's still a pleasant and comfortable drive.
We get asked frequently at Coded Car Keys to replace peugeot key fobs. These tips can aid whether the issue is ongoing or intermittent.
Water Damage
When you accidentally leave your fob in a puddle or splash it with water during kayaking, swimming, canoeing, rafting or canyoning, it's probably to suffer water damage. Keep your key fob in a dry bag whenever you are outdoors or engage in activities that expose it to excessive water.
You'll also need to make sure that the fob is completely dry prior to opening it and re-using it. If you notice any odors coming from the fob, like an industrial-like smell or a sour taste like windshield washer fluid, this is another sign that it's been submerged in water.
A wet circuit may cause the battery's energy to drain or even explode. If you're able to fish the 308 key fob of the water in which it was stuck in then flip the button side down and shake it out as much water as possible before opening the case. After you open it, take out the battery and wipe down the circuit board with the help of a cotton swab that has been dipped in 90-percent isopropyl alcohol.
Other causes why your Peugeot 308 remote entry keyless system may not function include a dead coin-cell battery or receiver module issues, signal interference or a damaged chip. If none of the above are the problem you can reset the system by removing the 12 voltage battery from the car for 15 mins.
Dead Coin Battery
Peugeot cars are equipped with remote start that allows drivers to start their car from an extended distance, which allows them to warm up or cool down the car before entering. This feature is very beneficial, especially in the cold winter months. Remote start systems may stop working for a variety reasons, such as the battery being dead.
A coin-shaped battery found inside the key fob has a lifespan of between two and four years, based on how often it is used and where it is purchased. The date of use is usually printed on the packaging or marked in the manual.
If the key fob is not functioning after exposure to water that is clean and you want to remove the battery, clean the electronic chip using a paper towel and isopropyl ethanol, then dry it completely before replacing it. If the key fob was exposed to soapy or salty water, it may have fried the chip. You'll need to replace it.
If you're unsure if the battery is defective You can test the voltage with an instrument set to the vehicle's voltage range and connected to the plus and minus terminals. The voltage should read approximately 12-13 volts but if it is lower, the battery should be replaced. You can also reset your onboard computer by disconnecting and reconnecting the 12 volt batteries in reverse order. (positive cable first, then negative cable). The engine should now begin.
Faulty Receiver Module
If you're unable to see the "Key Detected" message on your dashboard, then it's possible that your receiver module has developed a fault. It's the part that sends an alarm to the car when the key fob is activated that also acts as an immobiliser and prevents it from starting until the correct key is in place.
This could be due to a range of factors including water damage or simply aging. If your Peugeot 308 key fob has been exposed to dirty tap water, for instance the electronic chip inside the device will be damaged. In this instance, you'll need to take the unit apart and clean it thoroughly with isopropyl alcohol, or electronic cleaner. When the battery is dry, you can try again.
If the issue persists, it is a good idea to visit an area Peugeot expert or locksmith. They can use a diagnostic tool in order to identify the issue and repair it.
Losing your Peugeot keys to your car can be an extremely stressful experience. However, a reputable auto locksmith can fix the issue in just a few minutes. They can program your car and cut a brand new, working key for you. Click here to find a local locksmith near you.

Faulty Electronic Chip
The electronic chip in your Peugeot 308 key fob is an important component of the remote control system. If the chip is damaged, you could encounter issues starting your car or receive a message that says "anti-theft". In this case, the only solution is to replace the key. Luckily, auto locksmiths who are professionals are able to provide this service in the shortest amount of time.
The chip inside the chip of your Peugeot 308 key fob can be damaged due to sweat, water damage dirt, or any other cause. If your Peugeot 308 key fob has been exposed to soapy water, clean it right away. You can employ a paper towel as well as isopropyl alcohol for cleaning the electronic component. The battery should be allowed to completely dry.
Sometimes keys can not function due to radio interference. peugeot 207 key fob replacement can happen when other devices operate on the same frequency as your Peugeot keyfob. This could be due to poor conditions or objects close to the vehicle. If you have this issue you should visit a Peugeot dealership.
The Peugeot Key Fob 207/308 is fragile and requires special attention. It should not be dropped or throw it around. If you lose it, try to locate it as quickly as possible. You can reset your on-board computer by disconnecting the battery for a few minutes. Disconnect the negative cable prior to the positive.