Tesla Model 3 Alerts For Car Stoppage Ahead, Prevents Possible Accident


This owner’s Tesla Model 3 alerted him of a potential accident two car lengths ahead.

This new Tesla Model 3 owner took to Reddit to explain a recent situation involving his car’s safety features. The car in question is a single-motor Model 3 Long Range without Tesla Autopilot, and he’s only owned it for a few weeks, so he’s not yet fully aware of all of its features. While he plans to get Autopilot down the road, he hasn’t opted for the technology yet. Nonetheless, the car may have saved him from a collision.

Reddit user u/ihatevideogames shared:

So I was driving about 45mph on my way home tonight and I heard a really loud series of beeps that I’ve never heard before, almost like an emergency sound, I looked on the screen and see a car 2 cars ahead of me that’s red colored, instantly I think there’s an accident in front of me. As I brake and inch closer, indeed a car a few cars ahead of me stopped on the road dead in its tracks for no reason, it wasn’t an accident but the car just stopped and obviously made other cars brake, myself included.

We’ve known for some time that Tesla Autopilot “sees” cars ahead of the car you’re following. We’re also aware of the technology’s alerts. The interesting part here is that the car alerted the driver and even though it doesn’t have Autopilot. This makes sense since Autopilot is always watching and engaged behind the scenes, even if the car doesn’t have the system activated (more on that below). It’s fantastic, however, that it made the driver aware of the stoppage. Cars suddenly stopping like this tend to cause an abundance of collisions and even multi-car pileups.

The Model 3 just received a 5-Star safety rating from the NHTSA, with five stars in all categories. In addition, the Model 3 comes equipped with every NHTSA-recommend safety technology as standard, so you don’t have to opt for available equipment to get features like forward collision warning. CEO Musk has said all along that the car would be one of the safest on the road. Add in features like the one explained above and we’ve got a true winner here!

There’s a wealth of information about this in the related Reddit thread. Follow the link below to check it out.

Source: Reddit


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18 Comments on "Tesla Model 3 Alerts For Car Stoppage Ahead, Prevents Possible Accident"

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I was driving in Austin, TX on a frontage road being in the right lane with a speed closer to 50mph, it is a lane where people can make a right turn at any moment. Once my model x started beeping and braked almost to the stop because the car in front of me decided to make a right turn and as it happens, that car brake lights simply didn’t work, so as a driver I didn’t really react(bad me). It also looks like that driver started braking hard enough since I didn’t notice when distance between our cars started getting shorter. Thanks Tesla.

These radar warning systems are great, I also avoided 2 accident on the highway of cars stepping on the brakes hard to get an exit they almost missed. Thanks Volvo in my case though

I’m impressed that the presentation of the alert is clear enough that someone seeing it for the first time can immediately understand what’s going on 🙂

Definitely. And more impressive that even though Tesla could easily do like many other automakers and make this safety feature a paid option (while still being able to get the top honors for U.S. crash tests), it has chosen to make certain safety features standard nonetheless.

But let’s remember:

“Tesla has no … tech advantage, no software advantage, no battery advantage. No advantages whatsoever.”

But of course you still will see him pop-up from time to time, especially when the moon is full, to talk of many things, of cabbages and kings, and whether pigs have wings, and Tesla has no advantages.

Wasn’t this kind of talk about other users discouraged by InsideEV? Or is it approved and maybe even encouraged?

That was about Bob Lutz, not any InsideEVs user.

Really? In Europe a car cannot achieve a five star overall rating if it doesn’t have AEB enabled as standard. I’m surprised to learn the standard in the US is this much laxer.

See https://www.testsitesweden.com/sites/default/files/content/euro_ncap_asta_zerotesters_day_2017-04-25.pdf

In the US, you still get the honors, but there’s a disclaimer saying that you have to pay for that option. Or saying something like “with the necessary safety equipment.” Very few cars actually come with it as standard. Most Toyota’s do. More and more manufacturers are making it standard, but since it doesn’t have to be standard in order to get the top honors, that means there’s no push.


That collision warning is just annoying. It seems to go off without much rhyme or reason, approaching the car ahead fast or slow. Other times it does not go off when I approach another car fairly rapidly.

switch it to a less sensitive mode then.

Yo! Switch to Rocky Balboa mode. I’m driving here.
Certainly less sensitive.

I keep my Model 3 at the most sensitive mode and have never considered its alerts as in error.

Collision warning saved my butt in my Model 3 too.

The butt of an American treasure saved. It does make one misty.

Sure, this is an anecdote in which the system *potentially* contributed to avoiding am accident. Equally true would be to say just that the car sounded a warning that could have distracted the driver at a critical moment, *potentially* contributing to causing an accident. If there are any well documented cases of the system intervening before the driver has reacted, and where it is reasonably certain there would have been an accident if the driver had not responded very soon after the intervention happened, it would constitute much stronger evidence that the system at least sometimes prevents accidents. I’ve seen one video in which the automatic emergency braking appears to have been useful. Hopefully, when all Teslas get the dashcam as part of V9, the videos will be flooding YouTube, since every such intervention will from then on be caught on camera. It’ll be interesting to see if that happens, and also whether videos showing the system misjudging situations (either failing to take action, or taking action when it shouldn’t) start appearing. Usually, people are biased towards sharing the scary stuff, so if about as many videos appear showing the system working well as malfunctioning, it probably works well more… Read more »

I thought of this 15 years ago after freeway traffic was stopped miles ahead.