According to foreign media reports, the autopilot of electric vehicle manufacturer Tesla is regarded as one of the most advanced driver assistance driving systems, providing considerable convenience and unique experience for its owners. However, the system has also been involved in a number of fatal accidents, and U.S. regulators have announced an investigation. A fatal car accident in 2019 may provide us with more inside information < p > < / P > < p > on the evening of April 25, 2019, George Brian McGee, financial manager of Florida, USA, drove model s home with Tesla driver assistance driving system autopilot activated. He was on the phone, but his cell phone fell down and Maggie bent down to check. Neither he nor autopilot noticed the end of the road, and model s drove past stop signs and red lights. Subsequently, the car hit a parked Chevrolet Tahoe, killing 22-year-old college student Nabel Benavides on the spot < p > Maggie is one of the more and more parties involved in fatal accidents involving Tesla autopilot system, but his situation is somewhat different because he survived the accident and told the investigators what happened. Maggie admitted that he was distracted and chose to trust autopilot. In other fatal accidents, Tesla drivers who enable autopilot often die, so investigators have to look for clues from the stored data and videos recorded by the car < p > according to the video taken by the police, Maggie said to the police officer dealing with the accident: "I was talking on the phone while driving, but my mobile phone fell down. As I was looking down, the car passed the stop sign and hit the car. " McGee's testimony to investigators, accident reports and court records depict a tragic picture of over reliance on technology. They also show that autopilot fails to realize the basic functions developed by engineers many years ago, including automatic emergency braking. But many newer cars, including models that are much cheaper than Tesla, can slow down or stop in the event of a possible accident < p > on Monday local time, the National Highway Traffic Safety Administration (NHTSA) announced that it had launched a formal investigation into autopilot. The agency said it had noticed 11 Tesla car accidents since 2018. In these accidents, Tesla cars collided with police cars, fire engines and other emergency vehicles parked on streets and highways. In one of the accidents, a Tesla crashed into a fire truck in Indiana in December 2019, resulting in the death of a passenger and serious injury to the driver < p > distracted driving can be fatal in any vehicle. However, safety experts say autopilot can distract people by inducing them to think their cars are more capable than human drivers. Moreover, there are no safeguards in the system to ensure that drivers always pay attention to the road ahead and regain control in case of problems < p > Maggie told the investigators that at 9:05 p.m. on April 25, 2019, he drove 256 kilometers from Boca Raton's office to his home in Key Largo. At that time, he called American Airlines to book a flight to attend the funeral of relatives and friends. According to the investigation of the Florida Highway Patrol, the call lasted more than five minutes until model s hit Tahoe. Florida's law makes it illegal to text while driving, but the state does not prohibit drivers from talking with handheld devices, except in schools or workplaces < p > Maggie called the emergency number and then talked to the police dealing with the accident. In the two recorded conversations, Maggie's voice sounded shocked, but made it clear. He said that when he looked up and saw that he was about to hit Tahoe, he immediately tried to stop < p > turning to electric vehicles < / P > < p > as the world's most valuable carmaker, Tesla and its CEO Elon Musk described autopilot as making driving easier and safer. Although it is called autopilot, the system does not actually allow Tesla cars to drive automatically. The automotive industry rated autopilot and similar systems provided by general motors and other companies as L2 automatic driving, while vehicles that can drive automatically at any time will be rated as L5 < p > critics of Tesla say autopilot has several weaknesses, including that drivers like Maggie can't use it on local roads. With the help of GPS and software, general motors, Ford and other car manufacturers limited their systems to highways without stop signs, traffic lights or pedestrians. Tesla's manual warns customers not to use autopilot on city streets. "Failure to follow these instructions may result in damage, serious injury or death," the company wrote in the 2019 manual < p > Jason K. Levine, executive director of the center for automotive safety, a non-profit organization headquartered in Washington, said: "this technology exists to limit the operation range of autopilot, but Tesla allows drivers to use it on roads they shouldn't use. You have made such a decision, which has led to an avoidable tragedy. " Neither musk nor Ryan McCarthy, Tesla's deputy general counsel, responded to requests for comment < p > regulators are investigating other potential autopilot failures. The system includes cameras, radar and software, and sometimes cannot recognize other vehicles and stationary objects. In July this year, a Tesla car collided with an SUV parked at the scene of the accident on the highway near Santiago. Police said the Tesla driver started autopilot and fell asleep. Later, it was found that he failed the wakefulness test. That year, a couple in California sued Tesla in connection with an accident in 2019 that killed their 15-year-old son < p > the National Highway Traffic Safety Administration (NHTSA) is investigating more than 20 accidents caused by the use of Tesla autopilot system, which resulted in at least 10 deaths < p > lack of security mechanism < / P > < p > Maggie, 44, bought his own model s in 2019. On the night of the accident, he left Boca Raton and drove south on the highway. According to the data obtained by the police from the car, Maggie started the autopilot and set the speed to 44 miles per hour (70.8 kilometers) < p > at about the same time, Benavides, who was killed in the accident, was dating Dillon Angulo. Angulo drove his motherThe black Tahoe, and parked the car on a gravel strip, and then got off. According to the survey, Benavides got up from the passenger seat and walked to the driver's seat < p > according to the data from Tesla, the model s accelerated from 44 mph to 60 mph (96 km) a few seconds before hitting Tahoe. It is not clear whether autopilot or Maggie himself improved the speed. Vehicle data and brake marks show that Maggie pressed the brake less than a second before the crash. He told the police that when he started looking for his mobile phone, he could not judge how far he was from the intersection < p > Benavides' relatives have sued Tesla in the Miami Dade County District Court, saying the company's cars were "damaged and unsafe". Her attorney Todd Posts said McGee was expected to testify in the case. Bosz also said that another lawsuit against Maggie had been settled, but he would not disclose the relevant provisions < p > Tesla submitted a brief response in court, which disputed the claim without further explanation. In similar cases, the company said that the responsibility was entirely on the car driver. Like other accidents involving autopilot, the system does not seem to have played much role in ensuring that Maggie pays attention to the road < p > Tesla recently started the on-board camera on some newer models to monitor the driver, but it can't be seen in the dark. The video released by Tesla owners on YouTube shows that sometimes the camera will not notice that the driver looks away from the road. If they cover the lens, the camera may be fooled. When the camera detects that the Tesla driver looks away from the road, an audible warning will be issued, but the autopilot system will not be turned off < p > GM and Ford systems use infrared cameras to monitor the driver's eyes. If the driver looks away for more than two or three seconds, the warning will remind you to look forward. If the driver fails to do this, the systems of GM and Ford will shut down and instruct the driver to control the car < p > Benavides immigrated from Cuba in 2016 and lived in Miami with his mother. While attending community college, she worked in a pharmacy and clothing store in Walgreen. Neima, a 34 year old sister who is an estate administrator, said that naibel has always been trying to improve her English and hopes to get a university degree. "Benavides always smiles and makes people laugh," NEMA said. Her favorite pastime is going to the beach. She goes to meet her friends almost every day, or just sits alone and reads a book. " < p > NIMA said she hoped the lawsuit would promote Tesla to make autopilot safer. "Maybe something can be changed so that others don't have to go through a life and death crisis," she said < p > in the 911 call, Maggie reported that a man was lying on the floor unconscious and his mouth was bleeding. Angulo was taken to hospital. He later told the investigators that he did not remember what accident had happened or why they stopped at the intersection < p > a medical worker found a women's sandal under Tahoe's car and asked others to search the area for another victim. Finally, Benavides' body was found about 25 meters away（ Small) < / P > < p >