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Unprompted emergency stop

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793 views 27 replies 13 participants last post by  Steverino  
#1 ·
We've experienced this twice now
Any one else? This is scary.
 
#2 ·
In what situation? Was it a full stop or a tap of the brakes? The car will react to perceived dangers and either do an Emergency stop or slow the vehicle for you to respond. You can usually push through it by pressing on the accelerator, GM even notes this in the User Manual.

If this was happening when reversing in the rain that's an issue with over sensitive sensors and GM gives you the button to turn them off.

My Bolt will react to some vehicles approaching from the side but it's never scary once you understand how the vehicle reacts.
 
#10 ·
I have turned off all the auto stop systems. I would rather make those decisions myself.
I turned off the automatic braking systems on day one. My wife insisted that I also turn off the vibrating seat warnings or she’d refuse to drive the car.

A couple weeks ago our mail lady got a new mail truck but couldn’t back out of our driveway because the truck sensed bushes and kept slamming on the brakes. I saw last week she got herself assigned a different model mail truck.
 
#13 ·
I turned off the Front Collision Alert on both my Bolt and now on my ☰. I gave the ☰ a chance, but like the Bolt it simply false alarms too often.

Most of my false alarms were the car seeing an object that was not actually a threat, reacting to the threat by locking the brakes (tires squeal), realizes it made a mistake and releases the brakes. In such a situation, overriding the computer by pressing on the accelerator is not an option. It's all over before you can react.

I love the idea of the feature but the tech is not smart enough yet. More trouble than it's worth.
 
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#15 ·
use it on my Bolt EUV all the time and the false alarms are minor bumps and easy to get through I've never felt concerned about it. It has only ever reacted to vehicles or large objects on a tight turn just to slow the vehicle, never small objects.

I've had one Jarring experience in slow traffic but knowing how the system works with long and short range radar I understand it and was fine with it being cautious.

I also use ACC a lot and my foot is always ready to react, either to stop or go.

Though I will say if you have Super Cruise Equipped (like me) it will be more aware/enhanced.
 
#16 ·
If you've ever had the car slam on the brakes in reaction to an oncoming car driving within its lane you tend to think twice. I am slightly more concerned about getting rear-ended than I am about missing an object in front of the car that the cameras will catch.

To each own. Just personal preference.
 
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#17 ·
I've had it react to on-coming cars on sharp bends when the cars drift but never was it a hard brake. I've also had my vehicle slow or hit the brakes a little as a vehicle in front begins to slow abruptly or straddle turn lanes. Not unrecoverable or dangerous.
 
#20 ·
Does this automatic braking action sound like it makes you and the other highway users safer, or does it seem to create potentially hazardous situations? “Freaks out the car behind me” doesn’t sound like a desirable outcome, rather like the unnecessary braking is creating problems more than avoiding them. I have disabled the automatic braking features in the car’s settings. This technology is not yet ready for prime time.
 
#21 ·
If I recall correctly we're in the non-compulsory phase. When it becomes compulsory to equip cars with this feature I don't know if you'll be able to turn it off.

In 9 months and 17K km I've yet to experience unwarranted emergency braking.
 
#22 ·
Other than backing out of my sloped driveway on two dark and rainy nights, emergency braking kicked in once when I was in a turn lane and the car in front of me came to an abrupt stop. I’m sure that I would have stopped in time, but the emergency braking engaged and that stopped me about two feet from the vehicle in front of me.

Reading all of these posts, I’m tempted to turn off the automatic emergency braking. However, if I never had a problem like some of the members here, I probably should just leave it on.
 
#25 ·
Reading all of these posts, I’m tempted to turn off the automatic emergency braking. However, if I never had a problem like some of the members here, I probably should just leave it on.
In the first 3 months of ownership, I had two phantom reverse braking coming out of my gently sloped driveway that was jarring. In the same time period, I had front braking situation occur where some at ~15 mph where some one wanted to cut into a lane that was the last chance to get on an onramp feom city street, which I was willing to allow and even waved them in, when the car abruptly stopped. I nearly was rear ended beciase the car was following close and getting ready to enter the onramp.

With limited parts availability and no ETA on parts, I chose to remove all auto brake functions allowed by the car. I've driven 40 years without them and figured I could continue that trend.
 
#24 ·
Yes, happened to us yesterday on creeping traffic. Stalled car on right, driver (not me) swung Equinox EV to left in slow traffic heading into the late day sun (not sure whether turn signal was used). As the car nosed into the left lane, WHAM! I thought we'd been hit from behind. Car behind hit their horn instead. My guess is the car saw the slow moving car in front as an obstacle relative to our speed, or was confused by the all the light reflections from the lowering sun. I doubt the turn signal was involved one way or another. Anyway, it was unnerving, yes. I think having AEB off may be safer than relying on the car following to hit it's brakes too.
 
#27 ·
It's happened several times in my driveway, which is annoying, but we have had one scary situation. We were driving downtown in a city, came up to a stoplight, getting ready to turn right, no car directly in front of us, a person on a bike on the sidewalk to our right, but a good 10-15 feet away from us, not right up next to us. We're going maybe 10 mph, and the car slams on the emergency brake. It felt like we'd hit something, but after I put it in park (in the middle of the road with other traffic around us), and released the emergency brake, I could go again, but it was a very scary situation. Thankfully, the person behind us wasn't that close to us; otherwise, we likely would have been rear-ended.