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Key FOB

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Just got my 02 today, however both keys fail to do anything remotely. In order to unlock the car I have to stick it in the door. Any suggestions, I have driven with the keys but they don't seem to charge?

EDIT: Reprogrammed the key using this method, and they now work like a charm.
1) Get in and close all doors.
2) Turn on the ingition to position 1 and turn off quickly (No more than 5 seconds) to start the process.
3) Remove the 1st key from ignition.
4) Hold the key up near the rearview mirror for best reception.
5) Hold down the unlock button and press the lock button 3 times. Release the unlock button. Wait a few seconds and you should hear all the doors lock and unlock. This is your signal that the key should be programmed.
6) Quickly repeat steps 4 & 5 for key #2 etc.
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some have a battery, but I think that was pre-O2. A thorough search will yield a thread detailing the battery replacement.
 
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