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Replace Toyota Car Key Batteries If your Toyota key fob is running slow, you might need to replace the battery. Replacing the Toyota key fob battery is an easy procedure, but you'll have to open the case. Professional locksmiths and dealerships offer key replacement services. They focus on speed and accessibility, simplifying the process for customers. Rekeying It is not necessary to replace your entire car key fob if you are having problems with it. Rather than buying a new key fob, or relying on an alternative that is less reliable You can get your Toyota keys rekeyed to work with another existing key. This procedure is simple and affordable, and it's the best way to ensure that nobody else can access your vehicle. The car key has many components which include a chip that communicates with an immobilizer system. Key fobs also contain an electronic receiver as well as a physical key and codes that allow it to operate the ignition of your car and lock. If one or more of these parts fail it is essential to get them repaired as quickly as possible to ensure that you can drive safely. Depending on the root of your problem, you may require having the entire key fob replaced or just the internal components, such as the battery or transmitter. Luckily, there are several alternatives available when it comes to Toyota key replacement, so you will be able to determine the best option for your needs. A locksmith professional can change the key on your Toyota keys, or you can visit the nearest dealership to have a new one made. Regardless of which option you choose, it's important to provide the professional with all the necessary details about your Toyota vehicle, including the model and year. The dealer will also have to confirm that you are the owner of the vehicle before they cut a new key. The cost of rekeying your Toyota keys is less than replacing them completely. This procedure involves changing the code that controls the lock to match the key of a different one, which means it will only open using the new key. This is useful in the event that you have a spare key when your keys are wearing out due to frequent use. If you have a key that's changed, it will still function normally provided that the electronic components inside are functioning properly. However, if you've lost your key, or it's been stolen, you'll need to have the key fob replaced entirely. Transponder Chip Replacement If you have a Toyota car key that has a transponder chip, you will need to replace it if the car's immobiliser system fails to recognise it when it is inserted into the ignition. The transponder chip inside the key transmits an unique code to the computer in the vehicle's system and the system checks this code to verify that it is valid and authorised. If key fob for toyota is not valid, the system will prevent the vehicle from getting started. Transponder keys are more effective in deterring thefts than an ordinary remote key. However, that doesn't mean the car is impossible to steal. If a determined or experienced criminal knows how to work with these systems, he can still hot-wire a vehicle using a transponder-equipped key and start it. The good news is that if the chip isn't functioning it can be replaced by an expert locksmith or your local car dealership. The key fob will need to be opened, and the green circuit board inside the case is then removed. The key fob is then closed and a brand new battery can be placed in the case. You can try to open the key fob by using the key blade built-in to open the case, or you can use a flat tool or screwdriver that fits into a small slot on the side of the case. Once you have accessed the green circuit board take note of the kind of battery it's using (most models will have a CR2032 battery) and then replace it with a different one. Close the case, and test it and you're good to go. While the key fob can be fairly costly to replace, it is much cheaper than cutting the entire key and programmed. A lot of dealers charge a premium to replace damaged or lost keys however it is possible to negotiate the best price with a professional locksmith or independent locksmith for cars. When you contact these companies, it is important to give as much information about the vehicle as you can including the make and model, year and VIN. Key Fob Battery Replacement If your key is working but does not start your car you might need the replacement. You can replace it yourself if you know how, or visit your local Toyota dealer for a quick, affordable service. First, take your key from the key fob. If it isn't able to slip out you can press a button, or use a latch to open the case. You may need a flat tool or a screwdriver to get in. If you're using a screwdriver insert it into the little groove on the back of the fob and twist. After you've opened the case out and you can see a tiny circuit board with an battery. Note down the type of battery you can see and where it is in the case, as this will aid you in locating the replacement. Take a photo of the battery with your phone to refer to later. The majority of key fobs require the use of a coin-style battery. They are available in hardware stores and big box retailers. Replace the old battery with a new one, making sure to insert it properly. By pressing the lock/unlock or start buttons should work, however, if not, you can open it back up and verify that the new battery is properly in place. When you're ready to put your key fob back together, make sure that the clip over the battery is closed. If not, you can open it up again and lift the clips upwards using a screwdriver. Be careful not to damage the case or any of its parts. Particularly the small plastic clip which holds the battery. Some key fobs come with clips that cover the circuit board. Make sure you lift them gently and not forcefully. You can snap the two halves back together and then test the key fob. If it doesn't work, you'll need to take your owner's manual to a battery specialist or dealer for assistance. You may be able to buy a replacement fob from the dealership, but it will be more expensive than having it rekeyed. Lost Key Replacement It's best to call a locksmith or dealer immediately if you lose your car keys. The first step is to gather all the important information about your Toyota and the model, make, year, and VIN number. You'll also require an ID with a valid photo and proof of ownership. Once you have all the required information, you can begin the process of requesting a new Toyota car key. Finding a new key or fob for your Toyota is more complicated than you think. The process requires special programming to work with the immobilizer system in the vehicle. This stops theft and unauthorised hot-wiring of the vehicle. The dealer will need computers to reprogram the new key. This will disable the engine immobilizer. Transponder chips are found in the keys of most modern automobiles to stop theft. Toyota was one of the first automakers to use this technology. This makes their cars safer than ever. This technology has made it more difficult to obtain replacement keys. If you lose your keys, the cost of replacing it is more expensive than in the past. Visit the dealer for an additional key. The dealer will require the key code and VIN. These can be found on your owner's manual or jambs for the driver's door. The dealer will disable the immobilizer and make keys for you. You will be able to drive within a couple of hours. You can purchase an extra key for your Toyota on eBay or at a few automotive stores, but it will be more difficult to program it to the security features of your car. In addition the spare key may not be compatible with the transponder chip installed in your car, which could cause issues with the immobilizer. Keep a spare Toyota key in your pocket in case of any stress in the event you lose your keys, or break. Check your insurance policy for coverage of lost keys. This could aid in recovering the expenses associated with buying a new key. It's also recommended to compare the costs of different sources and ensure you're not paying too much.