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How to Change a Subaru Spare Key
Get a locksmith in touch if you have lost your Subaru key. Locksmiths are usually able to cut you a key cheaper than the dealer.
Subaru car keys are typically either intelligent "push-to-start" fob remote keys or plain metal keys. The Fob key needs to be modified.
Keyless Entry System
A key fob can be used to lock or unlock your Subaru from a distance. You can even open the trunk or lift gate of your vehicle. These remotes work with a keypad inside your car to communicate with the computer system of your vehicle.
Subaru models include a less known feature called PIN Code Access. This lets you utilize a personal sequence of numbers to open and start your vehicle. If you own a newer Subaru Forester, Outback, Crosstrek, WRX, WRX STI or Impreza that has this feature, refer to the owner's manual for instructions on how to make use of it.
If your keys stop working, there's a high possibility that the battery in the key fob is dying. You can check the battery life of your key fob using an electronic tester that you can carry around or a multimeter that you have in your garage.
The next step is to remove the key fob from its case and inspect the circuit board of its transmitter. You will see two or three sets of 8-digits. Note down the first so you remember it. Once you've done that you can put the key fob back together and you'll be ready to program it at home. The procedure for doing this is different based on the model and year of your car but it's usually easy enough to complete by yourself.
Key Fobs
Subaru's latest models all feature key fobs that don't just unlock the doors however, they also turn on your lights, lock your gas cap, and even start your car. That last trick is especially beneficial if your experience includes arriving at the pump only to find that your car isn't starting because the battery in the key fob has died.
It's likely that your Subaru's key fob, regardless of whether it's new or old and can be replaced. It's important to keep in mind that models with a high level of technological sophistication could require a trip to the dealership. However, with a little time and effort, you can get your new key fob waiting to be used at home.
Start by examining the circuit board of the transmitter in your key fob (instructions for opening the case should be provided in the owner's manual). There should be one or two serial numbers that have 8 numbers each. Note down the first number in the series and keep it in your wallet to refer to later on.

Then, get into your driver's seat and close all the doors. Turn the key ten times to start your car, and then turn off. Press the lock button on the key fob, then open the door to test whether your doors work correctly. Then close the door and remove the key from the ignition. You should hear your vehicle beep again, indicating that the key fob has been programmed.
Ignition System
The key battery may be dead If your Subaru keys don't work as they should. You can replace the key fob battery on your own if know how. A replacement battery is cheap and fairly easy to find. If the key fob isn't responding to your commands It could be a different problem. To obtain a spare key, it's advisable to go to a dealer. They will ensure that the key is an original Subaru key, that is in warranty, and is programmed to your vehicle. This is far safer and more convenient than purchasing an aftermarket key from a retailer on the internet.
The dealer is also able to cut keys for you, provided you give them your VIN number and as evidence of ownership. They'll use this information to create a code for the replacement key in order to be accepted by the immobilizer. This process is more complex than simply cutting a new one, and the dealer will typically charge more for this service.
Once the new key is programmed, it is possible to switch it to your existing key. replacement subaru key cost takes only five seconds to insert the new key, so make sure to keep your working key close to fingertips. You can remove the key after the security light stopped flashing, and then test it.
Battery Replacement
Subaru fobs are very useful because they can switch on the power windows and sunroof of your vehicle with just one button press. The battery in your Subaru fob wasn't made to last forever, and it will have to be replaced eventually. Fortunately, replacing the battery is a simple process that you can complete yourself with the help of this quick guide from Capitol Subaru.
You'll first need to find the small crevice that separates the front from the back of your keyfob. Using a small flathead screwdriver you can pop this seam open to reveal a small space inside which is the battery. Take out the old battery and then put in a new one, making sure it is facing the right side up. Once everything is reassembled then you can use the new key fob to lock, unlock, and start your vehicle without difficulty!
Always have a spare set keys, particularly if yours is damaged or has been lost. You can purchase a replacement key from your local dealership or have it cut by locksmiths. It is essential that your key fob works efficiently as soon as you can so you can drive safely.