1996 SL500 my remote does not work to lock/unlock my doors anymore, although I can see the alarm red/green leds flash on/off. My indie tells me the remote needs to be reprogrammed and has to go to the dealer.

Is it possible for me (or my indie) to reprogram the key? Thanks guys!

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2007 Corvette Convertible Torch Red
1996 MBz SL500
2008 Harley Davidson Night Rod Special