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I drove on Autopilot on the A14 through the new A1/Cambridge section yesterday & the car started to brake heavily from 72 mph at one point, virtually an emergency stop. Luckily nothing was following & I took control almost instantly. The sky was grey & I wasn't driving under anything so no shadows, straight piece of road, one car a long way in front & nothing visible in the rear view mirror.
Google maps navigation showed the new road correctly so I can only assume that the car somehow picked up a former road (or a tiny bit from a construction contraflow) in its path at that point. On other roads I occasionally notice that the speed symbol on the screen is different to the actual road.
It begs the question - what does Tesla actually use to determine a roads' speed?
This was part of a mammoth journey from Chester via M6/A14 to assist my Father (outdoors) near Bury-St-Edmunds, supercharging at Elveden for the return - around 11 hours driving including the supercharger stop.
At one point near the Gravelly Hill Interchange when using Autopilot/Autosteer in heavy traffic the moving graphic display locked up & Autopilot disengaged for a couple of minutes - looked like the car lost sight of the lane lines so my car and those around remained static on the screen for about 1/2 mile even after the traffic spread out and we moved on. It then corrected, I switched back to Autopilot & everything was fine. I hope that's a one-off.
.....It's made me much more wary about these sort of things happening when using Autopilot.
(if anyone here driving a blue LR, followed by a blue M3P passed a white LR, M6 near Coventry yesterday morning, that was me!)
Tesla cannot with either way, without phantom braking there will be plenty more of these incidents.
Tesla In Taiwan Crashes Directly Into Overturned Truck, Ignores Pedestrian, With Autopilot On
I don’t understand how phantom braking adds to safety? Surely phantom braking is braking for a hazard that doesn’t exist, so doesn’t that indicate that it’s not functioning as it should?
For all the talk of FSD, phantom braking is clear real life evidence the 'vision' these cars have in real life is very limited. It might seem easy for us to tell the difference between a bill board 800 meters away above/near the road and a stationary truck, but for a computer its incredibly hard, even with radar or LIDAR.
The killer Uber car a few years ago actually 'saw' the pedestrian crossing the road, but Uber had deactivated self braking at high speed, presumably because there were too many 'false positives' events. Phantom braking is actually by far the safest way for a system to proceed if its unsure, but us humans find it annoying to have sudden deceleration events every time the system develops uncertainty.
Phantom braking is Tesla's way to give the AP computer time to 'check' if the object ahead it thinks is a real life obstacle or not.
Just because you don't see an obstacle doesn't mean AP doesn't see one. From what I understand AP forms its vision from sampling very small pixels areas, so even a random bit of dirt on the camera could trigger an phantom braking event.
Ultimate what's worse news for Tesla, more phantom braking events or another death because the car failed to see a clear obstacle in the road?
FSD is still a long long away, can any one here seriously put the lives of their families in hands of a system that still cannot 'see' a over turned truck blocking the road in board day light??!!
Our 2016 VW Golf 1.4 SE has adaptive cruise control as standard. Radar based. It works perfectly and in four years of ownership we’ve never experienced phantom braking.
Our 2016 VW Golf 1.4 SE has adaptive cruise control as standard. Radar based. It works perfectly and in four years of ownership we’ve never experienced phantom braking.
Our 2016 VW Golf 1.4 SE has adaptive cruise control as standard. Radar based. It works perfectly and in four years of ownership we’ve never experienced phantom braking.
Same with two Audi A6s. It’s also much smoother in the way it brakes and accelerates. In other words it feels like an experienced driver is in control rather than a 17 year old on their second driving lesson.
What folks are noting is that the basics feel sub-standard compared to well established systems in the cars Tesla is trying to get people out of.
Tesla’s innovation is commendable, but do they need to reinvent the wheel as well?
The adaptive cruise control system in your 2016 Golf will have zero chance of avoid a crash with a stationary object when the closing speed is greater than 30mph.