Hello - My 2012 new model Kia Ceed SW has a sporadic ISG operation - some days it works, some not. Twice so far the dealer identified the issue as battery charge level, charged the battery and all was well - but only for a couple of days. Two proposals I had from the dealer are to switch the lights from automatic operation to manual, and drive at high engine revs. Sound to me like KIA a design issue never seen since alternators replaced dynamos, so other users should have come across them as well. Any one suffers from dropping battery charge levels deactivating the ISG ?