The car was on vibration & shaking condition for about 10 minutes a aprox. 80 km/h. after a traffic congestion!?! At the same time, sonor signal (same as seat belt) was heard! No special light on the dash! I stop the car on the side of the road. Restart & the problem was gone. I try again today to see if the problem will hapen. Nothing? Anybody live this situation? What is the source of the problem?