Even i have this problem.. i tried to escalate to many people in tata, fiat but they say that this is teh usual behaviour.. I have left the vehicle in the showroom "Tejaswi Motors" Hyd. and using my old car.. I'm constantly speaking with them but still there is no reply.. I'm palnning to shoot a vedio and telecast in HMTV, E TV, NTV and post a complaint in consumer forum.