I noticed quite a few drivers reported the unintended acceleration when they drove Tesla. I was a big fan of Tesla motors and have bought a model S for my family in 2014 and another one for my company in 2017. I have never imagined the bad accident happen on my second Tesla model S. It happened three weeks ago, the car was suddendly and unintended accelerated when it was slowly moving on a highway exit after the toll gate in Shenzhen, south China. The brake pedal was too hard to press down by feet. The car hit the curb of the road while it avoided the vehichel ahead, an Audi Q5. The driver of the Q5 made a harsh turn to give the way to the Tesla, as a result, the Q5 hit the opposite curb of the road with a tyre burst. The Tesla continued to move in a speed of around 70KM/H to a main road after finishing the highway exit path. During the five to six seconds, the brake was completely no functional because it can not be pressed down. On the main road, a wide one with four lanes, the Tesla was stopped after making two circular turns at the exact location. Then the policemen came and towed the accidental vehicle to the nearest Tesla service center in Shenzhen. At the Tesla service center, the staff showed the log data of the car. The data illustrated that during the 10 seconds of the accident occurance, the acceleration pedal was pressed even with 100% amplitude at certain points. And the brake pedal was not touched during the whole phase. And the signal of brake pedal came at the point when the velocity of the car was zero. The staff at the local Tesla service center examined the data and car before telling that the car was completely in a normal condition. The drive didn't press the brake pedal but wrongly on the acceleration pedal. The accident is all because of human operation error. I questioned Tesla how the vehicle was stopped if the brake pedal was not pressed, according to the log data, the brake signal was triggered at the speed of zero. I never got an answer from the staff. From web search, the unintended acceleration seems not a rare case for Tesla, I think Tesla should take it serious and make more investigation instead of simply concluding drivers' mistake. I was a big fan of Tesla, however, I don't know how to face the Model S after it is repaired although it is now in the service center. Do WE dare to continue driving the car?