ok here is the low down i will gladly donate i promis. if i can get a soluation, my wife drives this car for a living and it has been a great. but last week the radio started to blink SYS and then would shut off and then clock and pre-sets would reset, but drove just fine, after a week the Battery light came on and then on the way to geat it tested it completly died on me , so i replaced the battery which was under warrenty put in feb of 2011, now new then tested the system and the alternator was bad, which i installed in june of 2012, so i came home and changed out the alternator and to day it ran great but by the end of the day the radio was displaying SYS again...what should i do the only thing i can think of would be to replace the terminals on the post of the battery . but i did clean them up real good tho ... what do you think??