I have a porsche 2000 Carrera. Just replaced the battery in the key fob. But now the fob led blinks slowly and remote unlock/lock does not work.
Each vehicle is different put the key in the ign. turn key on press door lock/unlock at the same timehold button for 10 sec see if any lights on the dash inst. panel blink if they do that means that the key fob was programmed to your vehicle i recommend a new key fob this will give you definative instructions on how to reprogram your fob
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left new battery out overnight and installed it in the morning and works fine. Porsche Carrera 2000.
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