The Tesla Model 3 stops at a line of traffic before the car is seen suddenly accelerating and hitting the back of the truck in front. The incident took place near San Jose in California and comes after allegations Tesla vehicles have faults where the car can suddenly accelerate.
Uploading the clip online, Alan Zavari said: “A happy Model 3 owner here. Driven 20k mi on Autopilot.
“Wondering why my car started moving when the semi in front of me was stopped. Why ALL sensors SUDDENLY ignored the giant semi? I hope @Tesla can provide answers as I’m not confident to use AP again.” (sic)
In a later statement, the motorist claimed he had not noticed the issue before having driven thousands of miles in his car.
He added Tesla’s technology was improving but the accident was the most serious issue he had encountered while on the road.
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The car hit the transporter while on autopilot
There have been fears cars such as their Model S and Model 3 have an acceleration fault
Commenting on the video, another road user also claimed his car was once creeping towards a trailer before he was forced to hit the brakes himself to prevent a collision.
The video has been released just days after a complaint was filed by the National Highway Traffic Safety Administration (NHTSA) claiming cars were crashing due to unintended acceleration.
The complaint posted last week claimed 127 different Tesla cars were involved in incidents caused by the sudden acceleration.
NHTSA’s complaint claimed all three of the manufacturer’s top-selling Model X, Model; S and Model 3 designs had suffered from the issue.
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Problems with acceleration were said to have accused 110 accidents where 52 people were injured.
Details of the complainants were not disclosed but many of the issues involved parking the vehicle.
The allegations were immediately rebuffed by the electric car brand in an online statement posted on their website.
In the statement, the company said the claims were false after investigations revealed the cars in question had operated as they were designed.
It said: “We are transparent with NHTSA, and routinely review customer complaints of unintended acceleration with them.
“Over the past several years, we discussed with NHTSA the majority of the complaints alleged in the petition.
“In every case we reviewed with them, the data proved the vehicle functioned properly.”
Tesla claims the cars are designed to cut off any motor torque if any small technological errors are detected.
They say pressing the brake pedal and the accelerator at the same time will override torque and will slowly bring the car to a stop.
Tesla’s autopilot software claims to include traffic-aware cruise control features which maintain speed in relation to surrounding vehicles.
The company said all cars built after October 2016 include eight external cameras and 12 ultrasonic sensors to detect obstacles.
In-built radars can see through difficult weather conditions and even under cars to register risks in milliseconds.
However, Tesla said motorists must keep their hands on the steering wheel at all times and should always maintain control and responsibility for their cars even when Autopilot mode is activated.
Express.co.uk contacted Tesla who refused to comment on the issue.