Starting jitter estimation is the problem of clutch pressure plate, separation and combination of power transmission between the engine and transmission when stepping on the clutch, the separation bearing will press to the pressure plate in the middle of the spring power output is cut off and vice versa. But you have run more than 80,000 kilometers, it is estimated that the warranty period is long gone, and the general clutch part is only 20,000 kilometers, because this part is easy to be damaged by human operation. Like you this kind of long-term often in the semi-linkage state is easier to damage the clutch part, the specific warranty policy you can look at your hand maintenance manual, it will explain, if not marked then you can also pull up the maintenance manual above the customer service phone, and they will know the warranty policy, and then you decide the specific maintenance program.