Missed my Crossfire so very much that I just got another, 130K miles, has issues as I guessed that it would and hate to see these cuties fall into disrepair with no one to love them - ssoooo - am finding out that what the seller described as "needs batteries" may be much more serious. Neither key fob works, and interior lights also - which I have just read and learned may be associated. I am no mechanic but do I understand that replacing the key fob may not be the solution? Previous owner did an "upgrade" by adding some sort of a pack so that the halogen lights he installed did not get to hot. Could this be the issue with the whole electrical system malfunction?