A 2012 Jaguar XJ smart key
will need to be programmed to your vehicle before it will work for you.
Programming can only be done at a local automotive locksmith or dealership,
where they will also be able to cut the emergency key blade to match your
original. There are no onboard programming instructions for 2012 Jaguar XJ
smart keys. They can only be programmed using special diagnostic equipment.
This smart key comes with a brand new battery and is tested for functionality
before sending. This Smart key comes with 5 buttons and if you look on the inside
of the unit, you may see some of these numbers: KOBJTF10A - 3521A-5TF-10B - 315
Mhz . Use these numbers to confirm that your Smart key will match this product
and that it will work for your vehicle.