Yes, the brakes work on their own!
09-28-2018, 11:00 PM
#1
WayTooManyAcuras
Thread Starter
Yes, the brakes work on their own!
Today I was on my way into work, driving in the fast lane in the morning rush when the cars in front of me began to stop like an accordion. Whenever I have to stop quickly on a highway, I always look quickly in my rear view mirror to make sure no one is right on my butt so I can judge how hard I want to hit the brakes if I have room. I usually will ease into them to allow the guy behind me room to stop.
WELL - that's ain't happening anymore. Even though I had good distance between me and the car in front that was stopping, and I eased into the brake pedal to slow the car down, the RDX hit the brakes - hard. It was the strangest feeling I've ever had in a car. My foot was easing into the brakes but the car went into almost full stop. Of course, the guy behind me who was following too closely slammed on his brakes and turned into the breakdown lane so he had more room to stop. No accidents occurred fore or aft, but it was a real eye-opener I have to say.
I always wondered if this feature actually worked or not, but there really is no way to test it. Well, now I know it works.
Well.
WELL - that's ain't happening anymore. Even though I had good distance between me and the car in front that was stopping, and I eased into the brake pedal to slow the car down, the RDX hit the brakes - hard. It was the strangest feeling I've ever had in a car. My foot was easing into the brakes but the car went into almost full stop. Of course, the guy behind me who was following too closely slammed on his brakes and turned into the breakdown lane so he had more room to stop. No accidents occurred fore or aft, but it was a real eye-opener I have to say.
I always wondered if this feature actually worked or not, but there really is no way to test it. Well, now I know it works.
Well.
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09-29-2018, 06:59 AM
#3
Burning Brakes
Haven't had it happen with the RDX yet so good to know it does work - definitely not a feature you'd want to go out and test. Did it bring either of your vehicles to a complete stop?
I did have it occur with my '18 Toyota Highlander (guy cut me off and braked hard in order to make a freeway exit ramp
) and agree it's a very weird sensation the first time it happens, the auto braking happened before I could move my foot to the brake pedal.
I did have it occur with my '18 Toyota Highlander (guy cut me off and braked hard in order to make a freeway exit ramp
) and agree it's a very weird sensation the first time it happens, the auto braking happened before I could move my foot to the brake pedal.
09-29-2018, 08:33 AM
#4
Drifting
Join Date: Apr 2018
Location: New Yorkie, Hudson Valley
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I’m glad you got away scott-free, Obli, the new modern safety features are exactly why I bought a new car. Like airbags, this is something you cannot just test on your own, and you just have to trust that the engineers and the manufacturer know what they are doing.
Some guy on the BMW blog swears it saved his life, even though he still had a crash. He was behind a pickup truck on the highway when it suddenly swerved out of the way because a car was stopped in the middle of the highway. Before he could react, the car did some heavy braking and pretensioned the seat belts, and the crash was far milder than it otherwise could have been. When the cops got the traffic stopped, he was able to walk away with no injuries. “I will never buy a car without automatic emergency braking,” he said.
Some guy on the BMW blog swears it saved his life, even though he still had a crash. He was behind a pickup truck on the highway when it suddenly swerved out of the way because a car was stopped in the middle of the highway. Before he could react, the car did some heavy braking and pretensioned the seat belts, and the crash was far milder than it otherwise could have been. When the cops got the traffic stopped, he was able to walk away with no injuries. “I will never buy a car without automatic emergency braking,” he said.
09-29-2018, 04:45 PM
#5
Were any of you in Automatic Cruise Control when this happened, or were you in regular driving mode?
09-29-2018, 05:31 PM
#6
Suzuka Master
I have had my TLX brake when a car slowed up to make a turn suddenly. Most of these systems are not designed to avoid the collision only lessen the impact. I also had my TLX engage the brakes once with nothing in the way while making a turn. That was more scary as the car broke hard and I leaned into the gas to overcome the braking. Never happened again.
09-30-2018, 12:02 PM
#7
WayTooManyAcuras
Thread Starter
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ssacuraho (09-30-2018)
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09-30-2018, 12:56 PM
#9
So whether you're applying the brakes or not, this system will engage? Wow--that's a great feature.
09-30-2018, 01:00 PM
#10
09-30-2018, 03:04 PM
#12
Today I was on my way into work, driving in the fast lane in the morning rush when the cars in front of me began to stop like an accordion. Whenever I have to stop quickly on a highway, I always look quickly in my rear view mirror to make sure no one is right on my butt so I can judge how hard I want to hit the brakes if I have room. I usually will ease into them to allow the guy behind me room to stop.
WELL - that's ain't happening anymore. Even though I had good distance between me and the car in front that was stopping, and I eased into the brake pedal to slow the car down, the RDX hit the brakes - hard. It was the strangest feeling I've ever had in a car. My foot was easing into the brakes but the car went into almost full stop. Of course, the guy behind me who was following too closely slammed on his brakes and turned into the breakdown lane so he had more room to stop. No accidents occurred fore or aft, but it was a real eye-opener I have to say.
I always wondered if this feature actually worked or not, but there really is no way to test it. Well, now I know it works.
Well.
WELL - that's ain't happening anymore. Even though I had good distance between me and the car in front that was stopping, and I eased into the brake pedal to slow the car down, the RDX hit the brakes - hard. It was the strangest feeling I've ever had in a car. My foot was easing into the brakes but the car went into almost full stop. Of course, the guy behind me who was following too closely slammed on his brakes and turned into the breakdown lane so he had more room to stop. No accidents occurred fore or aft, but it was a real eye-opener I have to say.
I always wondered if this feature actually worked or not, but there really is no way to test it. Well, now I know it works.
Well.
Last edited by dcmod; 09-30-2018 at 03:15 PM.
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Curious3GTL (10-02-2018),
oblio98 (10-01-2018)
10-02-2018, 08:44 PM
#13
DCMOD,
Your suggestion is for the alert not the actual distance to brake.
f you have the LKAS and ACC enabled you should change the distance for the car length to follow. Also of you have enabled them they will kick in to mitigate the accident. Since we have so much construction in our city on all the freeways I have it turned off. However, I was driving with them on when I first purchased the RDX and it slammed on the brakes because I had three car lenghts set. When it slams on the brakes it does it with force and will hoist you onto the steering wheel if you are prepared. At least I know it works but since our lanes and the lines are changing it is too risky for me to run with this enabled at this time. It also happened to me on the freeway one morning and that is why I leave it off unless I use ACC while in traffic coming home.
Your suggestion is for the alert not the actual distance to brake.
f you have the LKAS and ACC enabled you should change the distance for the car length to follow. Also of you have enabled them they will kick in to mitigate the accident. Since we have so much construction in our city on all the freeways I have it turned off. However, I was driving with them on when I first purchased the RDX and it slammed on the brakes because I had three car lenghts set. When it slams on the brakes it does it with force and will hoist you onto the steering wheel if you are prepared. At least I know it works but since our lanes and the lines are changing it is too risky for me to run with this enabled at this time. It also happened to me on the freeway one morning and that is why I leave it off unless I use ACC while in traffic coming home.
10-03-2018, 04:32 PM
#14
DCMOD,
Your suggestion is for the alert not the actual distance to brake.
f you have the LKAS and ACC enabled you should change the distance for the car length to follow. Also of you have enabled them they will kick in to mitigate the accident. Since we have so much construction in our city on all the freeways I have it turned off. However, I was driving with them on when I first purchased the RDX and it slammed on the brakes because I had three car lenghts set. When it slams on the brakes it does it with force and will hoist you onto the steering wheel if you are prepared. At least I know it works but since our lanes and the lines are changing it is too risky for me to run with this enabled at this time. It also happened to me on the freeway one morning and that is why I leave it off unless I use ACC while in traffic coming home.
Your suggestion is for the alert not the actual distance to brake.
f you have the LKAS and ACC enabled you should change the distance for the car length to follow. Also of you have enabled them they will kick in to mitigate the accident. Since we have so much construction in our city on all the freeways I have it turned off. However, I was driving with them on when I first purchased the RDX and it slammed on the brakes because I had three car lenghts set. When it slams on the brakes it does it with force and will hoist you onto the steering wheel if you are prepared. At least I know it works but since our lanes and the lines are changing it is too risky for me to run with this enabled at this time. It also happened to me on the freeway one morning and that is why I leave it off unless I use ACC while in traffic coming home.
When it alerts I believe the CMBS will start to brake so the longer or shorter the distance to get the alerts as in Phase 1 and then Phase 2 ,, the longer the Phase 3 will kick in which is the braking assist
In Phase 4, it clearly says Heads up warning TIMING depends on the CMBS distance settings .. so YES , you adjust the TIMING from that settings
Read the charts
Last edited by dcmod; 10-03-2018 at 04:39 PM.
10-03-2018, 04:54 PM
#15
DCMOD,
Your suggestion is for the alert not the actual distance to brake.
f you have the LKAS and ACC enabled you should change the distance for the car length to follow. Also of you have enabled them they will kick in to mitigate the accident. Since we have so much construction in our city on all the freeways I have it turned off. However, I was driving with them on when I first purchased the RDX and it slammed on the brakes because I had three car lenghts set. When it slams on the brakes it does it with force and will hoist you onto the steering wheel if you are prepared. At least I know it works but since our lanes and the lines are changing it is too risky for me to run with this enabled at this time. It also happened to me on the freeway one morning and that is why I leave it off unless I use ACC while in traffic coming home.
Your suggestion is for the alert not the actual distance to brake.
f you have the LKAS and ACC enabled you should change the distance for the car length to follow. Also of you have enabled them they will kick in to mitigate the accident. Since we have so much construction in our city on all the freeways I have it turned off. However, I was driving with them on when I first purchased the RDX and it slammed on the brakes because I had three car lenghts set. When it slams on the brakes it does it with force and will hoist you onto the steering wheel if you are prepared. At least I know it works but since our lanes and the lines are changing it is too risky for me to run with this enabled at this time. It also happened to me on the freeway one morning and that is why I leave it off unless I use ACC while in traffic coming home.
Your suggestion if you have LKAS and ACC enabled is not related to CMBS , because CMBS is independent to LKAS and ACC , as long as you do not turn CMBS off .
10-03-2018, 05:51 PM
#16
Interesting to note that the OP was stepping on the brakes, and it applied them harder. In my Jeep GC that I just traded in for this RDX, if you were stepping on the brakes lightly, it defeated the automatic braking all together. Seems odd, but that car was built in 2014, I'm sure technology has advanced a tad since then.
I will state my wife and I were prone to disabling this...as a few times on the highway, around a slight bend, traveling at 70MPH, passing a semi, the system would go into its panic stop. Hopefully this setup is much better than that one.
I will state my wife and I were prone to disabling this...as a few times on the highway, around a slight bend, traveling at 70MPH, passing a semi, the system would go into its panic stop. Hopefully this setup is much better than that one.
10-03-2018, 07:15 PM
#17
WayTooManyAcuras
Thread Starter
Interesting to note that the OP was stepping on the brakes, and it applied them harder. In my Jeep GC that I just traded in for this RDX, if you were stepping on the brakes lightly, it defeated the automatic braking all together. Seems odd, but that car was built in 2014, I'm sure technology has advanced a tad since then.
I will state my wife and I were prone to disabling this...as a few times on the highway, around a slight bend, traveling at 70MPH, passing a semi, the system would go into its panic stop. Hopefully this setup is much better than that one.
I will state my wife and I were prone to disabling this...as a few times on the highway, around a slight bend, traveling at 70MPH, passing a semi, the system would go into its panic stop. Hopefully this setup is much better than that one.
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oz13ms (10-04-2018)
10-03-2018, 07:29 PM
#18
Drifting
Join Date: Apr 2018
Location: New Yorkie, Hudson Valley
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That was me. I was applying the brakes. The tone of this thread has turned to appear that I was not happy that the brakes were applied. On the contrary, I thought it was great. And now I know they work. This car stopped pretty damn fast, which is good to know, and as far as the jerk behind me, well F Him. I would rather get hit from behind than hit someone else from behind, because as we all know, the guy who hits someone from behind is always in the wrong, gets the ticket, and the jacked up insurance rates.
I want to stop when needed, let the Devil take the hindmost.
10-03-2018, 08:47 PM
#19
So mine is set to default and I changed it short but didnt notice a difference yet. Will check again tomorrow AM. Seems the distance is still the same as earlier today. Guess I will experiement further to see what makes the distance change. Since i turned off ACC and reduced car lengfh there is no more slamming on the brakes. I wonder what that explanation is if it isnt set in ACC distance. Keep in mind I am not driving with ACC unless in traffic.
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