Need an advanced Scan Tool to perform this Necessary to take it to the dealer .
Making Key Fobs
Try this site: http://ebiz.netopia.com/pyr/door/.
The key fobs are not user programable. I have heard there are some locksmiths that can program the keys but I live is Texas and so far have found none to program any for my car. The only solution is to pay Mercedes to order a key from the Mercedes headquarters. If you choose this route make sure you have your title or registration along with the drivers license or they will not be able to order the key for u.
keys
To reprogram the key fobs for a 2005 Jaguar XJR, first, ensure you have all the key fobs you wish to program. Insert the key into the ignition and turn it to the "On" position without starting the engine. Within five seconds, press and hold the lock button on the key fob for about 10 seconds, then release it. Repeat this process for any additional fobs, turning the ignition off to complete the programming.
Yes, you can have two different key fobs together and use them interchangeably for the same vehicle. Each key fob will have its unique code that the car's system recognizes, allowing multiple key fobs to be used with the same vehicle.
Typically, key fobs are not designed to be combined with each other. Each key fob is paired specifically to its corresponding vehicle or access point. If you have multiple key fobs for different vehicles or places, they should be kept separate for proper functioning.
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Most (if not all) key fobs can be recoded. You may want to inquire with your dealership or a good locksmith.
As much as you don't want to hear this, the only way to program a key less entry remote for a 2004 tibby is to take both key fobs and the car to the dealer. Don't shoot the messenger.
I'm pretty sure the dealership has to program the fobs. I programmed my key using the instructions in the owner's manual. They're really simple if you follow them step-by-step, but I'm not sure if the instructions for the fob are in there.
Personalized key fobs can be bought online from some of the companies that trade through Amazon. They can also be bought from jewelers who also do engraving.