2005 Mercedes-Benz SL500 Q&A

2005 Mercedes-Benz SL500 Question: replaced keyless batterys

when i replaced the k less batterys the both doors didnt open, i used the secondary to open the doors. car startrd up, dont forget it s about 25/30 degrees out.then the radio goes on then shuts dwn, sometimes it works, the fan started out slow for the heat then about 5 min or so everything was fine.i had both batterys checked their fine. my cig/lighter does work. guys what do you think ? -
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