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this post was submitted on 15 Oct 2024
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Enough Musk Spam
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Friend ran afoul of the Tesla's Drive-By-Wire. She had her car on automatic drive and it was speeding towards the bumper of another vehicle. She slammed on the brakes, but because the system has to switch from automatic to manual, the brakes didn't engage for a critical second. So she ended up jamming her car into the rear end of the vehicle in front of her, and her system recorded the event as "human error", because she was at the wheel when the collision occurred.
Now she's out several grand in repairs that her insurance won't cover, because she failed to let Tesla's autodrive system take responsibility for the collusion by trying to prevent it.
Stories like this are what make me incredibly hesitant to buy a Tesla.
As someone who owns a Tesla, I can attest this isn't how the brakes work. We'd heard similar rumors to this effect and it was the first thing we tried on the test drive. The brakes are 100% functional 100% of the time, regardless of driving assist.
Even if "full self driving" (quotes intentional, that shit is not fully self driving) did cause an accident, the driver is perfectly capable of avoiding it by braking or taking over steering.
P.s. Fuck Elon Musk
Is that true for all Tesla models though? I was under the impression the newer models had blended braking, which would make this story somewhat plausible.
Blended braking is when it uses the brakes to supplement low regen when the pedal is released.
To the best of my knowledge, which includes a few minutes online trying to prove myself wrong, the brakes on all Tesla models are straight friction - no blending. Regenerative braking only happens when the accelerator is released. The friction brakes alone are sufficient to kick in ABS, so regen isn't needed to help stop the car.
After giving it some thought, I suspect the car wasn't stopping fast enough, so the driver took over and just didn't brake hard enough to prevent the accident (possibly because they were anticipating some amount of assist from regenerative braking). Underestimating how hard to brake is very common and is one of the primary reasons behind adding automatic braking systems.