Collision Avoidance Systems

 

A month ago, I bought a new 2022 GMC pickup equipped with what GM calls a "collision avoidance system" It uses an array of sensors to detect objects in the road ahead and automatically applies the brakes to avoid a collision.

Systems like this have been available for a couple of years now but it's new to me. Overall, I like the feature but I had an incident earlier this week that scared the daylights out of me!

I was driving on a recently repaved section of two lane highway where the pavement markings had not yet been re-applied. I was traveling at around 50 mph when I met a truck coming the other way. He was on his side of the road but we met on a section that had a shallow "S" curve. Apparently, the collision avoidance sensors thought the truck was in my lane and, sensing a high speed head on collision, slammed on the brakes!

Luckily, I didn't swerve or loose control. Fortunately, the car behind me had sufficient distance to brake without rear ending me! I don't know if it was the road conditions or a defect in the system but I'm going to have the dealer check it out. In the mean time, I disabled the system.

It would have made an interesting insurance claim had there been an accident!

Has anyone else had any similar incidents with these new systems?

2022 Acura RDX and don’t like its system

I have a 2022 Acura RDX with what Honda calls Collision Mitigation Braking System (TM) and like you I’m not crazy about it. One thing in the Acura it has to be disabled each time you restart the vehicle. Quoting from the manual

“The CMBS (TM) is turned on every time you start the engine, even if you turned it off the last time you drove the vehicle.”

I’ve had several situations where I was thankful no one was behind me.

--
John from PA

2018 Subaru

My Crosstrek with Eyesight that I've driven for over three years now hasn't had an issue like that. It can slow down a bit and even "tap the brakes" when in its adaptive cruise mode when a car ahead of me is slow to merge right for an exit ramp. It also warns me if it senses me backing when another vehicle is coming in from the side. The front braking is controlled by dual cameras and the rear, I think, by radar. I've never had an issue with oncoming traffic in its own lane triggering the system. The Eyesight camera system also monitors lane lines ahead of me in case I drift a little over the lane marker and maybe it's also used to confirm oncoming traffic is in its lane coming towards me and is not a threat.

2019 subaru

I have the same system as Craig but my area has heavy traffic with aggressive drivers. When someone "cuts me off," that is, changes lanes to get in front of me, so that I have to take evasive action or slam on the brakes, the EyeSight system slams on the brakes before I can. It can use maximum braking. It also sees the lanes based on pavement markings. I think the automatic system is a plus.

There was one quick stop where the system saved me from a rear-end collision. There was heavy traffic exceeding the speed limit. All cars were tailgating. I had no forward visibility because a larger car was in front of me. The traffic stopped quickly and I was not ready, but the system slammed on the brakes. That incident alone made any difficulty with the system acceptable.

Bdhsfz6, I think the fact that no lines were on the road confused the system. If a double yellow line and shoulder lines were there it would not have applied the brakes.

My stinger has this garbage

My stinger has this garbage too. For a year it was unintrusive until one day few weeks ago. It slammed on the brakes as I was about to make a fast lane change with what I'd consider plenty of room.

So now there's a routine I go through when starting the car.

1) Disable the auto start stop - I want the engine running unless I choose to have it shutdown (mostly at long lights), not every time I come to a stop.

2) Once I'm rolling I hit the voice button and say "Search settings for forward". After a few seconds it brings up the screen to turn off the active forward collision. I've found this to be the easiest and quickest way to access that section of settings without digging 5 levels deep in the menus.

I generally keep a good distance (5-10 seconds worth) and will never tailgate on the highway. Bad things can happen when you have inadequate time to react. I drive the drivers behind me nuts when it's heavy traffic, but too bad.

My distractions are minimal. Phone is in airplane mode 100% of the time unless i'm on road trip on the open highway.

It seems this safety garbage has become mandatory and will be present on all new cars moving forward. My stinger is a '22 base model. At least it can be disabled, even if not permanently.

The forward collision is the least favorite of the safety suite the car offers. It has a backup camera with audio alert as well as pedestrian/car something or other where hazards approaching from the rear sides generate an alert as well as active braking. Supposedly I can't back into something, car will brake on its own too. Haven't tested this yet.

Ahhh

Yes.. interesting how these collision avoidance systems seem to work.

My 2017 honda has the same stuff. I don't know about the other systems, but I can how far it looks in front of the car..

1,2, 3, 4 car lengths.

If it's set to far (anything beyond 2) it sees things that it shouldn't. I've actually had the system come to a complete stop when there's no other cars. Walls. Or anything else.

Setting the look ahead distance to 1, the system panics and abruptly throws out the anchor if it sees a car transitioning from one lane through my lane to the other ER r side of me.

To make it worse, its tied into the cruise control system and it can't be disabled.

I've thought about placing something over the camera lense in the windshield. I've also considered putting a mirror in front of the camera and showing the system "just sky."

In my opinion, these systems aren't quite up to the task and it's painfully obvious there are more conditions / situations these systems just aren't capable of handling. WhTs worse, it appears these systems don't have any way to "learn."

Then, onto of this, I'm not a fan of these systems.

--
Never argue with a pig. It makes you look foolish and it anoys the hell out of the pig!

Ahhh

Yes.. interesting how these collision avoidance systems seem to work.

My 2017 honda has the same stuff. I don't know about the other systems, but I can how far it looks in front of the car..

1,2, 3, 4 car lengths.

If it's set to far (anything beyond 2) it sees things that it shouldn't. I've actually had the system come to a complete stop when there's no other cars. Walls. Or anything else.

Setting the look ahead distance to 1, the system panics and abruptly throws out the anchor if it sees a car transitioning from one lane through my lane to the other ER r side of me.

To make it worse, its tied into the cruise control system and it can't be disabled.

I've thought about placing something over the camera lense in the windshield. I've also considered putting a mirror in front of the camera and showing the system "just sky."

In my opinion, these systems aren't quite up to the task and it's painfully obvious there are more conditions / situations these systems just aren't capable of handling. WhTs worse, it appears these systems don't have any way to "learn."

Then, onto of this, I'm not a fan of these systems.

--
Never argue with a pig. It makes you look foolish and it anoys the hell out of the pig!

Ahhh

Yes.. interesting how these collision avoidance systems seem to work.

My 2017 honda has the same stuff. I don't know about the other systems, but I can how far it looks in front of the car..

1,2, 3, 4 car lengths.

If it's set to far (anything beyond 2) it sees things that it shouldn't. I've actually had the system come to a complete stop when there's no other cars. Walls. Or anything else.

Setting the look ahead distance to 1, the system panics and abruptly throws out the anchor if it sees a car transitioning from one lane through my lane to the other ER r side of me.

To make it worse, its tied into the cruise control system and it can't be disabled.

I've thought about placing something over the camera lense in the windshield. I've also considered putting a mirror in front of the camera and showing the system "just sky."

In my opinion, these systems aren't quite up to the task and it's painfully obvious there are more conditions / situations these systems just aren't capable of handling. WhTs worse, it appears these systems don't have any way to "learn."

Then, onto of this, I'm not a fan of these systems.

--
Never argue with a pig. It makes you look foolish and it anoys the hell out of the pig!

I don't like them either,

I don't like them either, but for an entirely different reason, they drive my RADAR detector nuts. ;p

--
. 2 Garmin DriveSmart 61 LMT-S, Nuvi 2689, 2 Nuvi 2460, Zumo 550, Zumo 450, Uniden R3 radar detector with GPS built in, includes RLC info. Uconnect 430N Garmin based, built into my Jeep. .

Something worth exploring

Not all car do this, but I recently learned that if you take the rear view mirror selector switch and leave it in the right mirror position, when you select reverse gear, the right mirror tilts downward so you can see the curb.

A friend with a 2022 Subaru didn't think his car had it but then found that it was tied to the memory on seating position. Adjust the driver seat to your linking, then put the car in reverse with mirror switch in the right position, adjust the mirror, then reprogram the seat position.

--
John from PA

Interesting

BarneyBadass wrote:

Yes.. interesting how these collision avoidance systems seem to work.
...
To make it worse, its tied into the cruise control system and it can't be disabled.
...

That's interesting. The best non-"safety" feature of my Eyesight system is its adaptive cruise control and I had thought until now that it would be universally loved.

With the old cruise control systems that always use engine power to try to maintain a desired speed, I hated slowly creeping up to a vehicle ahead of me traveling 0+ to around 3 mph under my set speed where I'd have to disable the cruise until I had a safe time to pass, then resume cruise once I was ahead of it. With adaptive cruise, mine maintains the set speed until it gets too close to the vehicle ahead, and like yours, I have four settings of separation I can choose before it kicks in. To me, it's a perfect system. There is a little learning curve when switching from old cruise to adaptive cruise but I quickly learned that when following a car 5-10 mph under my speed setting, I can't assume I'm still going at my desired speed and I should find a time to pass the vehicle when able.

My car has more safety features besides the front and rear braking and I love them all: blind spot detection, lane departure, etc. The blind spot detection (a flashing orange light on the outside rearview mirror) does go ballistic when I'm in a double left turn lane with my left blinker on when the system sees a vehicle in the leftmost lane and warns me of a potential conflict even though we're both turning left in our own lanes. Lane departure warnings may also annoy those drivers who switch lanes without signaling. I find these features cute while others may hate them. But then, I do always signal before turns or lane changes. cool

no standardization

My '17 F-350 has none of this stuff. It does have crank windows (best for a crank driver).

My problem with all these "features" isn't that they are so far "imperfect". It is that there is no standardization. What if you have two or more cars? What if you rent a car?

I hope that I'm wrong. Tell me that I'm wrong.

Ok

minke wrote:

My '17 F-350 has none of this stuff. It does have crank windows (best for a crank driver).

My problem with all these "features" isn't that they are so far "imperfect". It is that there is no standardization. What if you have two or more cars? What if you rent a car?

I hope that I'm wrong. Tell me that I'm wrong.

Your wrong and likely are politically left, no MAGA right, wait perhaps independent.. perhaps I should have stopped at your wrong.. just wrong! smile

--
Never argue with a pig. It makes you look foolish and it anoys the hell out of the pig!

I don't know if it was a collision avoidance but

I had to drive a rental a couple years ago. I believe it was a caravan. I was on cruise on the interstate and went out to pass. I was completely in the passing lane and I was know being slowed down by the car with other cars coming up on me quickly. This was now a panic mode because I wasn't sure what I could do.

--
Nuvi 2460LMT.

F-350 possible adaptive cruise control

minke wrote:

My '17 F-350 has none of this stuff. It does have crank windows (best for a crank driver).

I’m not familiar with Ford products but if an F-350 is the same as “Super Duty” it may have adaptive cruise control, as well as perhaps other features. See https://www.fordservicecontent.com/Ford_Content/vdirsnet/Own....

One thing about the manuals on these modern cars is they tend to be 600 pages and up, so many features get overlooked.

--
John from PA

higher trim levels

John from PA wrote:
minke wrote:

My '17 F-350 has none of this stuff. It does have crank windows (best for a crank driver).

I’m not familiar with Ford products but if an F-350 is the same as “Super Duty” it may have adaptive cruise control, as well as perhaps other features. See https://www.fordservicecontent.com/Ford_Content/vdirsnet/Own....

One thing about the manuals on these modern cars is they tend to be 600 pages and up, so many features get overlooked.

Yes, it is a Super Duty model.

Those features are indeed available but at higher trim levels than the one I bought. The only feature that I require is basic cruise control. As a right-lane-slug and the slowest guy around I don't need a adaptive cruise control because there is no one else to slow down for!

I'd

be curious to know what makes sense, and what does not.

Keep in mind our cars are 1998, 2006, 2007, 2011, so behind the times (I was surprised 2/4 have black boxes?).

All 4 have ABS, 3/4 have stability. I'm generally ok with this except for one thing.

On the car with a manual, the rear brakes wear out 2X as fast as the fronts because the rear brakes are always grabbing for x ms as one takes off from a stop. THIS IS MORONIC.

On the other hand, people on the forum with my car, have said they took stability off (I have never done so I think it's 2 step), and wrecked the vehicle.

A lot doesn't add up--what did people do prior to ABS and stability, let alone self parking driving auto cruise cars? Then keep in mind they weren't on the phone while driving--this is not new and not going to go away. I think I mentioned someone was driving a Ferrari behind me and holding a phone talking. I'm sure that car has bluetooth but it's just not how many people choose to talk.

It would appear collision avoidance applies brakes, does it steer as well? I can't think of any instance where it is a benefit without a driver knowing how it works...my .02