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I have purchased a used LX key with remote and intend to cut and program it for my LX so it can be used as a back up key. While the cutting is simple and any lock smith can do it for me, I would like to know about the programming.
How can I program the used key for my LX?
Does the old LX information need to be erased before it can be programmed for my LX? or does it automatically erase when the new LX is programmed?
Can anyone provide step-by-step instructions?
As I only have one existing key, I am keen to use program the other key asap to avoid any unforeseen problems.
You can program additional keys to the car yourself. The attachment is for when you lost all your keys and will reset the ECU. Unless something has changed, it can store 4 keys. If you add the 5th key than you will lose the 1st key (oldest) from the system. Do a search for programming additional keys. The procedures haven't changed, but you will need the master to do it.