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Discussion Starter · #1 ·
So has anyone tested the "smart" cruise control to see if it actually slows down or speeds up when traffic flows change? I did try it in local traffic but was a little afraid to trust the car to brake as I approached a red light and a few cars were at a complete stop, so I just manually hit the brake. I will try it on the highway soon where I won't feel so nervous about crashing into the car in front of me. (LOL) Anyone try it and have it completely stop on it's own?
 

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LOL now why would you feel more comfortable hitting someone on the highway rather than on a local road at much lower speeds ?! That's my first question haha!

I haven't personally ever tried it, those things scare the **** out of me for that specific reason. My instincts would kick in and hit the brakes before anything.
 

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Discussion Starter · #3 ·
more time to react on the open highway with less cars/traffic
hey are we the only 2 members on this site? seems so..
 

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Oh.. okay yea, I can see that in the sense of not hitting anyone kinda thing.

I think there's someone else that's on here from time to time too. But it'll pickup soon once people start taking ownership of their G80s.
 

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Smart cruise control works well at highway speeds. In traffic, it will come to a complete stop and then start to move again on its own as long as you're stopped for 5 seconds or less, otherwise the car requires you to re-engage smart cruise by selecting the right side rocker switch on the steering wheel.

That being said, there is a risk of running into the car in front while in heavy traffic if someone cuts in front of you. The smart cruise seems to not be able to re-calculate the distance in time to react to the situation of a car cutting in front in traffic and so you still need to be ready to manually break in that situation. Otherwise it works pretty good and I do use it when I'm in traffic.
 

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Hm.. It'll take some tinkering around with some trial and error (hopefully no serious error). It seems like it'll really take the stress of traffic away, it just intimidates me is all I guess. Gotta get used to it... like a new dog.
 

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Update to smart cruise control

The feature can be slow to respond and does not react quickly enough to changing conditions, such as a car changing lanes ahead and close to you in traffic. In this case the car will continue ahead and does not detect the new object ahead. I've had to intervene on several occasions where smart cruise did not slow the car down to avoid a collision. This feature still needs some work and hopefully Genesis will update the software. Sadly, without manual intervention a collision would be likely.
 

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I've found the cruise control overly sensitive, even with distance set to minimum. It starts slowing down long before I am contemplating a lane change to pass. The other tricky condition is on a winding highway; it will pick up slow traffic in another lane in the curves and slow down quickly.
 

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From my limited time (a month, 1K miles); On open highway system performs "as advertised". A vehicle swerving, or "cutting in" is NOT immediately noticed (calculated), so DRIVER awareness is necessary/mandatory. Overall, am learning to use feature where appropriate. Think it's good.
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I've used it a couple of times and along with the lane correcting it all come together well. It does feel strange when the brakes come on, but it works very well on I95 at 75mph.
 

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SCC works well at highway speeds on long stretches. On curved roads, I have occasionally experienced it mis-calculating what it thinks is a car ahead when they are really in the other lane, but for the most part it works good on curves. It doesn't work so well in congested/slow traffic for a few reasons.

#1 - In slow traffic conditions, in many cases the response time isn't quick enough to detect a car ahead that changes into your lane. The SCC does not react quickly enough to slow down and avoid a collision with the car ahead. I assume the emergency breaking would kick in to avoid a collision but I'm not that brave.

#2 - The SCC sets an upper limit to the speed. For example, in slow traffic, you might have it set to 20mph. Then when the traffic flow momentarily goes to 30 or 35, unless you want to continue going 20mph and slow down everyone, your forced to manually re-set the upper limit by adjusting the cruise toggle switch. This is an annoyance. I find myself having to re-adjust the upper limit up and down to coordinate with the surrounding traffic flow. SCC should auto adjust to the surrounding traffic speed on its own.

#3 - In heavily congested traffic, the start/stop feature disables after 6 seconds at full stop. This is super annoying to have to re-engage the SCC so many times in stop and go traffic. The whole point of it is so you don't have to hassle with it. Out of the 3 issues this is probably my biggest annoyance.

Hopefully Genesis takes notes of this and upgrades its software.
 
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