Peugeot 308 Key Fob Replacement
Peugeot's 308 might seem slightly old but it's attractive. It's not the most luxurious car in its class - the Ford Focus or Volkswagen Golf will isolate you even better from sloping surfaces - but it's still a pleasant and a civilized drive.
Here at Coded Car Keys we are often asked to replace peugeot 308 key fobs. The following suggestions will aid whether the issue is constant or intermittent.
Water Damage
If you leave your key fob in a puddle or splash it with water while swimming, kayaking, canoeing, rafting, or canyoning, it's more likely to sustain water damage. Keep your key fob in a dry, dry bag each time you go outside or engage in activities that could expose it to excessive water.
It's also crucial to ensure sure the fob has completely dried out prior to opening it and use it again. If you smell any odors from the fob (such as industrial liquid or windshield washer fluid), this is another indication that it's been submerged.
A circuit that is wet can cause the battery's charge to be drained or even explode. If you can pull the 308 keyfob from the water it is best to turn the button side up and shake as much water out as you can before opening the casing. After opening it, take off the battery and wipe the circuit board using the help of a cotton swab that has been dipped in 90 percent isopropyl alcohol.
Other reasons that your Peugeot 308 remote entry keyless system might not function could be due to a dead coin-cell battery or receiver module issues signal interference, or a malfunctioning chip. If none of these is the issue, try resetting the system by disconnecting the battery at 12 volts for around 15 minutes.
Dead Coin Battery
Peugeot cars come with a remote-start system which allows the driver to start the car from a distance, warming up or cooling down the vehicle prior to stepping inside. This feature is extremely beneficial especially during the cold winter months. The remote start system can not function due to a variety of reasons, such as the dead battery in the coin-battery.
A coin-shaped battery that is in the key fob can last for a period of between two and four years, depending on how often it's used and where it's purchased. The date of use is usually found on the packaging or in the manual.
If the key fob stopped functioning after exposure to water that is clean, you should remove the battery, clean the chip with a paper towel and isopropyl Alcohol, then dry it thoroughly before replacing it. In case of exposure to soapy or salty water, the chip could be fried and you will have to replace the key fob in total.

If you're unsure if the battery is defective you can check its voltage with a multimeter that is set to the car's voltage range and connected to the minus and plus terminals. If the voltage is lower than 12-13 volts, you need to replace the battery. Alternately, you could try to reset the onboard computer by disconnecting the battery at 12 volts for a few minutes and then reconnecting it in reverse order (positive cable first and then negative). The engine should then start after this.
Faulty Receiver Module
If you aren't seeing the "Key Detected", it could be the receiver module not working properly. It is the part that transmits the signal when your key fob turns on. It also acts as an alarm, and stops the car from starting if you don't have the correct key.
This could result from a variety of causes, such as water damage or simply getting old. If the electronic chip inside your Peugeot 308 keyfob has been damaged due to dirty tap water it could be because the keyfob was exposed it. In this case you'll have to take the unit apart and thoroughly clean it with isopropyl alcohol or electronic cleaner. When the battery is clean, you can try again.
If the issue persists, it's probably a good idea to see an area Peugeot specialist or locksmith. They can use a diagnostic tool in order to pinpoint the problem and fix it.
The loss of your Peugeot car keys can be an extremely stressful experience. A certified auto locksmith will be able to solve the issue in a matter of minutes. They can program your vehicle and cut a new working key for you. Click here to find a local locksmith near you.
Faulty Electronic Chip
The electronic chip in the Peugeot 308 key fob plays a crucial part in the remote control system. If it becomes damaged, your car may not start or receive a message stating "anti-theft active". In this situation the only option is to replace the key. Luckily, professional auto locksmiths can complete the task in the shortest time.
The chip inside the key fob of your Peugeot 308 may fail due to different reasons, such as water damage, sweat or dirt. If your Peugeot 308 key fob is exposed to soapy water, you should take it to the cleaners immediately. You can clean the electronic component with a paper towel soaked in isopropyl Alcohol. Then, you need to let the battery completely dry.
Sometimes the key fob may stop working because of radio interference. This is usually caused by other devices operate on the same frequencies as your Peugeot keyfob. It could also be caused by weather conditions or objects that are in the vicinity of the vehicle. It is recommended that you visit a Peugeot dealer in the event of this problem.
The Peugeot 207/308 key fob is extremely delicate and requires care. www.g28carkeys.co.uk is not recommended to drop it or throw it around. If you lose it, try to find it as quickly as possible. You can reset your on-board computer by disconnecting the battery for a couple of minutes. Remove the negative cable before the positive.