Had ACC set on 80 MPH on the hiway yesterday. A vehicle was passing me and the Tesla suddenly applied heavy brake pressure to the point of tires screeching. Speed dropped very quickly to about 50 MPH. I had not touched the brake pedal. Brakes released and speed resumed to 80 MPH. VERY SCARY and high risk of rear end collision. Lucky nobody was behind me. Don’t want to experience that again.
2025 Tesla Model 3 acceleration complaints
Page 2 of 2: complaints 11 to 15 of 15, newest first, as owners wrote them.
Automatic Emergency Braking, for no reason, occurred twice while on autopilot. Driving on a remote interstate, during the day, no one and nothing in front of me (and I had a passenger that can confirm), and suddenly the car rapidly braked extremely hard. If I hadn't slammed the accelerator immediately I would have been rear ended the first time. The second time, no one was near me. I am attempting to report this to Tesla, although that is somewhat difficult as I am just getting bounced around their automated systems. My passenger and I, and the car behind us were put at serious risk of collision at ~ 85 mph, due to the completely unexpected and extremely rapid braking. This was under simple autopilot, no FSD or other driving assist. Nothing has been inspected yet, or reproduced past these 2 incidents. No warnings or symptoms occurred before or after this issue. Slightly terrified to use autopilot now, as if a semi-truck had been behind me, we would have been flattened. It is also difficult to turn off this so-called "assist" with emergency braking, it auto-reverts to on every start up, which is also dangerous.
I have had this happen twice, once on city streets going to work the car was not in auto pilot and it went from 40mph to 0mph instantly. If there was a car behind me I would have gotten slammed into. The second time, my mother was in the passenger seat and I was on the freeway going about 75 to 80mph and it was on auto steer and the car went from the speed I was going to almost 0 and I instantly took control of the vehicle. We both could have been killed because of the last incident and I thought the cameras saw something on the road but there was nothing there. No cars were near me when both events occurred.
I went to drop my son to a summer program to a park. After dropping him, as soon as I started, car just accelerated very fast and went on the sides. I was able to turn the steering back into road but it kept speeding and went on the other sides. In the process, cars tires got impacted. Within 5-10 secs, car got from one side walks to the other side walk and then car stopped somehow. Fortunately, it did not impact any other cars parked or other cars on the road. But the whole thing was very scary.
As I was pulling into a parking spot with my new 2025 Model 3 Tesla, I removed my foot from the gas to slow the car - the appropriate way to do so which is called Tesla's One Pedal Driving. The car did slow but then suddenly surged forward at an alarming rate. I have 100% certainty that my foot was not on the gas at this moment. The car was stopped by a large concrete planter just in front of me, however, if that planter was not there, my car would have been through the glass of an office building or in a head on collision with another car in the lot. If there was a person walking into the building, they would have been dead. A witness approached me and mentioned that the car seemed to act erratically. I have been in touch with Tesla about the issue and am awaiting response.
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