would like to know how to disconnect the on star sustem because after reaDING ALL THE ABOVE I AM 99 % SURE THAT IT IS MY PROBLEM
BRAND NEW BATTERIES ARE BEING DRAINED AFTER APPROX 2 TO 4 WEEKS ...CAR HAS NOT BEEN DRIVEN ON BRAND NEW BATTERY. GO TO START IT AND ITS TOTALLY DEAD. EVERYTHING ELECTRIC IS TURNED OFF.