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volkswagen keys replacement g28carkeys.co.uk is a small car that is available in saloon, hatchback and estate variants. It is renowned for offering good value for money. If your Polo key fob has been damaged through exposure to clean tapwater, try cleaning the chip with isopropyl or an electrical cleaner. If the battery is dead, this will restore functionality. Keys If you're a brand new car owner or an experienced one having spare VW keys is always useful to keep. These keys can be used to open doors and windows or remotely start your car. There are a variety of reasons for your key fob to not function properly. These include a dead coin battery or accidental water damage. You'll need to take the device to a specialist if this is the situation. The easiest method to determine whether your key fob has batteries that are dead is to check the button on it. When you press the button it should flash or light up. If it doesn't, it's time to get a new battery. You can easily install the new CR2032 batteries at any auto shop. Make sure the new battery has the same voltage and similar in size to the old one. It is recommended to leave the job to a professional if you are not sure the best way to replace your battery. If your Volkswagen Polo won't lock and unlock after changing the battery on the coin, it could be because of an issue with the internal chip. It's not cheap to fix, but it's possible. Keep the key in a secure place and only use it when needed. This will stop it from being accidentally pressed, which can trigger an alarm or windows to be accidentally opened. Transponders I spoke with one of my business contacts recently and he was shocked at the cost of a key fob that he was trying to purchase for his Volkswagen. The dealer was asking for more than R10K for a single key fob. I was able to purchase the key fob from a local locksmith at only a fraction of that cost. A transponder is a small microchip embedded into the key fob. It contains a unique code that is specific to the specific vehicle you're driving. When the key fob is fitted into the ignition barrel, it sends a signal to the car's computer that tells it that you have the correct key. The computer then starts the engine and opens the door locks. This technology also enables you to drive straight through tollbooths along the turnpike without stopping to pay. It's a quick, but effective way to add the security of your vehicle. Duplicating a transponder key is slightly more expensive than simply cutting a standard key blank because of the cost of the key fob as well as the equipment required to program it (like the JMD Handy Baby or MiroClone). The Philips Crypto code transponder can be more expensive due to the fact that software like AutoCode, CodesExpress, or InstaCode costs per key code or annual subscriptions. You can still duplicate keys using free key code generator apps like JMD useful Baby or MiroClone, and key biting software for free AutoCode -VIN to Key Code Generator and Bitting App. Remotes The key fob of the Volkswagen Polo can control several functions, such as opening and closing windows or sunroofs, as well as start your vehicle remotely. It's also a fantastic device to prevent theft. If your key fob does not work is an indication that the battery is dying or that there is an issue with the transmitter in the car. The good news is that you can normally fix this by yourself. The most common cause for a dead VW Polo key fob is a faulty battery for the coin-cell. The good news is that you can replace this in a matter of minutes. It is essential to use the same size battery as the original one in order to prevent damaging the transmitter. A dead or damaged antenna could also be the cause of an unreturned VW Polo remote key. The dirt or debris that is in the antenna coil of your car can hinder the transmission of radio waves to and from your key fob. Connect the diagnostic device to the OBDII port, and test it. The tool will prompt for some details like the vehicle's make, model and the engine type. You might also try using an extra VW key to determine if it works. If the key doesn't work you should contact the dealer and get it changed. Check the owner's manual for your vehicle for instructions on how to reprogram the VW key. Programming For VW Polo owners who are looking to get a spare remote there are a few options. The dealership can offer them keys for a new keyfob or a locksmith who specializes in Volkswagen keys can cut it for them. The cost ranges between $50 and $150, and the key needs to be programmed with the vehicle. The Volkswagen Polo is equipped with a system that prevents the vehicle from starting when it cannot find the right key. This is called an immobilizer, and it's made to stop thieves from wringing hot the vehicle. The immobilizer is an RFID chip that is integrated into the key. This technology has made cars much harder to steal, but it's also created problems for locksmiths. VW dealers do not provide the RFID code available to locksmiths working on cars, so they need to use a software called VCDS in order to retrieve information from the transponder. Replacing the battery in a Volkswagen key fob is simple and inexpensive, but it can be risky if you do it wrong. It is best to replace the battery in an authorized Volkswagen service center to avoid damaging your key fob. You'll need a flathead screwdriver, an updated CR2032 battery and a piece of tape to minimize damage. You will need to remove the back cover of the key fob. Then, you need to open the key bit and then remove the cap from the handle of the driver's side door.