Adaptive Cruise Control is out to get me

[037]

As per title, the main issue of this thread will be ACC or Adaptive Cruise Control.

A little background:

I drive a 2012 Genesis Sedan, tech/premium packages.

1. Sometime around March of 2013 a TPMS light came in, took it to dealer and they removed all wheels/tires, checked it and found no other issues

2. Some time later I changed dealerships (the one in Brooklyn, NY went under) and showed them the light and complained that TPMS light was on and at one point I was trying to use ACC and it just turned off in the middle of the road and refused to turn back on.

2a. My wife later noted that while TPMS light is on, cruise control refuses to turn on. When TPMS light is off, cruise control works perfectly!

3. After troubleshooting Hyundai corporate agreed to replace the ECU at the dealer cost of around $6,000 to fix the cruise control issue as something somewhere wasn't responding to their diagnostics. At this point dealer notified me that I was lucky anything was replaced under warranty as my Escort Laser Shifter ZR4 caught their eye and they were happy to blame all the problems on it.

4. Two days ago I went out for a weekend in PA and TPMS light came on again, I checked and saw that cruise control is working fine (as far as turning it on).

5. I proceeded to drive with cruise control, I immediately noticed that the distance it was keeping was not as great as normal (3 bars were on, meaning maximum following distance). A small bend in the road and the car accelerated as if no one was in front and when the road straightened out the car slowed down abruptly.

5a. At first I thought the calibration was off as the car seemed to be near sighted, but then, out of nowhere, my car barreled at full speed towards the rear end of the car in front of it, no bends in the road, no blinding rain or snow, nothing out of the ordinary. This was the last straw.

6. Took the car to the dealer today and let them have it (in fairly calm tones, considering the situation). I let the manager (Hyundai of LIC) know that I have a feeling his techs did not properly test drive the car and essentially gave me a death trap on wheels. The manager said he was offended that I was trying to "accuse" him of this. Asked for them to write the car up and told me it will be a couple of days before they even look at it as I came in without an appointment.

Now, after talking with the service advisor I got the feeling these guys will do anything and everything to try to void the warranty just because I got a laser jammer on my car (Escort ZR4) which I have owned for over 2 years, mounted to this very car with no issues.

Question to the community: Did anyone else experience ACC issues of similar sort?

Question 2: Did anyone ever have any laser jammer caused issues or suspected issues for cruise control?

Thanks all in advance, I know the post is lengthy, but I just want to see if anyone else had issues, and at the same time to vent a little as my dealer was not fully appreciating the safety of my family, me, or anyone else on the road.

037

 

[EXBMWGUY]

Question 1: no.
Question 2: n/a

I think the dealer has attitude. The dealer probably thinks you have attitude, but either way, I'd be looking for another dealer.

 

[shagnat]

Wow! First off, I'm glad there were no accidents.

From there, I'd stick by my guns. Hyundai is not known to be a customer service oriented company but I think with enough persistence from you, even to "escalating" the issue as high as necessary, you may get your problem fixed pro-bono. At least that would be the hope.

And as far as the dealership wanting to blame your Escort, that's the way corporate America is today. Example: I took my car in today (bought used 1 week ago) and had a couple of issues that were agreed to be fixed at the time of purchase. One issue was neither of the 12v outputs (cigarette lighter included) didn't work. I had a "module" which had 3 additional 12v outlets if I plugged the "master" end into a working 12v output. Welp, since neither of the two in my "new/used" Genesis had worked, I never used my "module". Welp, the tech saw it in the back seat and immediately blamed that on the cause. I told them I had never plugged it in 'coz the outlets in the car had never worked.... looked at me like I was a unicorn!!! Welp, they've set the tone for being accusatory and I'll forever be on the defensive with them...... sucks, doesn't it?!

 

[nfetterly]

I have the same car, just over 6,000 miles on it (bought it new with 5,000 miles on it). Really like the adaptive cruise control, but hesitant to fully trust it. I've been running it at 1 bar of distance, maybe I should open that up a bit.

I'm interested in future updates on your problem.

 

[037]

Got a call from advisor, he asked how to turn the jammer off. Called again later and asked if one of the techs can drive the car home. I said sure, something like 40 mi should be a good test, here in NY there really isn't reason to travel more than 15. He said 40mi each way!!!!

Not even sure long island is even that long, almost feel like someone is about to go for a joy ride in my car...

Anyway, will check in tomorrow with an update.

 

[brfatal]

Joy ride? It's a V6 powered Hyundai, not a Lamborghini or some other sports car.

 

[WowCool]

Hi, I noticed that when turning On ACC it needs a few seconds to sync speed etc.. every time you press the + it ups the speed by 5mph..so let it sync before you press +..............(I always hit Set after turning On ACC.)
Initially I was impatient & pressed the + like crazy "and away we went"

 

[037]

Joy ride? It's a V6 powered Hyundai, not a Lamborghini or some other sports car.

not sure what kind of Joy you're thinking, but most people are buying cars with give or take 200hp.

Now we're talking about a car here that on the highway runs right next to bmw 335i and out runs hemi's.

 

[037]

Hi, I noticed that when turning On ACC it needs a few seconds to sync speed etc.. every time you press the + it ups the speed by 5mph..so let it sync before you press +..............(I always hit Set after turning On ACC.)
Initially I was impatient & pressed the + like crazy "and away we went"

now back on topic, modifying speed on the cruise control was not an issue, cruise was set at a constant speed and never changed.

 

[037]

Got the car from the dealer today, they admitted no fault what so ever but the tech took it home and back (98 miles!).

What he did do was perform a driving calibration.

TPMS sensor was replaced in one of the wheels.

Now what the tester also managed to do is smoke in my car, a lot. I couldn't get the smell out on the drive home with all the windows down.

Also, he managed to burn through half a tank of gas.

This dealership is finding new ways to tick me off, I will spend the weekend testing out the car more extensively before I consider this fixed. This is the 3rd time I have gotten the car back from these guys and a 4th overall visit for TPMS counting my other dealership experience.

______________________________

Help support this site so it can continue supporting you!

 

[JasTheAce]

Got the car from the dealer today, they admitted no fault what so ever but the tech took it home and back (98 miles!).

What he did do was perform a driving calibration.

TPMS sensor was replaced in one of the wheels.

Now what the tester also managed to do is smoke in my car, a lot. I couldn't get the smell out on the drive home with all the windows down.

Also, he managed to burn through half a tank of gas.

This dealership is finding new ways to tick me off, I will spend the weekend testing out the car more extensively before I consider this fixed. This is the 3rd time I have gotten the car back from these guys and a 4th overall visit for TPMS counting my other dealership experience.

They should pay to have the inside of your car professionally detailed. You need to contact corporate because a tech smoking in your car is unacceptable.

 

[geneswede]

Just got my 2011 and took it for a freeway ACC test. L O V E I T ! Perfect for my congested Boston commute home.

 

[WowCool]

now back on topic, modifying speed on the cruise control was not an issue, cruise was set at a constant speed and never changed.

Snarky..Unnecessary comments...Did You miss your ""cookie"" this morning?

 

[037]

Snarky..Unnecessary comments...Did You miss your ""cookie"" this morning?

I'm not sure what you mean by snarky, but hitting the + button and waiting for the car to accelerate seems like something an infant can figure out. Watching the speedometer helps of course.

Either way, this weekend will be the official highway test drive to see if they really fixed the cruise. If not, I'm setting up 2 GoPro's and will make a video for Hyundai corporate.

 

[037]

Tpms and cruise control are 100% back and operational. I didn't have to turn the jammer off. Relieved...

 

[brfatal]

not sure what kind of Joy you're thinking, but most people are buying cars with give or take 200hp.

Now we're talking about a car here that on the highway runs right next to bmw 335i and out runs hemi's.

Your profile says you have a V6, which will do none of the above. It has +300 hp but the car is heavy and the gearing is not the best for pulls. My car may make "429 crank hp" but it's slower in the quarter mile than many cars that make 100 hp less. The 5.0s still run mid to low 13s in the quarter mile. One of the other cars listed in my signature made similar power to my R-Spec 2 years ago and it would have destroyed my Genesis from both a roll and a dig.

Another point is that hp has little to do with it. You'll find that a 170 hp Mini Cooper S and 190 hp Lotus Elise are more likely to be "taken out" than a large 550i that makes more hp than both combined. Base Genesis sedans are geared for the same segment as Toyota Camrys, Honda Accords, Lexus ES350s, and BMW 530is. Not exactly a segment of cars that people think of as fast, zippy, or high performance.

Trust me, bloated luxury sedans are not joy ride cars. I wouldn't worry about that.

 

[037]

you have read correctly, I do drive a V6, the only "mod" being a K&N drop in filter. As far as taking on the cars that I said I did, well... I did.

And as I specified, on the highway, where Hyundai isn't holding anything back due to tranny/engine warranty.

The only "trick" I use is to shift for myself, as long as the car is in the right gear, it goes head to head with 335i, no problem.

Just yesterday I went head to head with 335is and because he hesitated for a split second I blew past him before he knew what car I was driving (and yes, he did try to stage a come back and failed).

It's not a racing machine by any means, but Hyundai power is no joke.

You can let the transmission shift for it self...then it is in fact a joke.

037

Your profile says you have a V6, which will do none of the above. It has +300 hp but the car is heavy and the gearing is not the best for pulls. My car may make "429 crank hp" but it's slower in the quarter mile than many cars that make 100 hp less. The 5.0s still run mid to low 13s in the quarter mile. One of the other cars listed in my signature made similar power to my R-Spec 2 years ago and it would have destroyed my Genesis from both a roll and a dig.

Another point is that hp has little to do with it. You'll find that a 170 hp Mini Cooper S and 190 hp Lotus Elise are more likely to be "taken out" than a large 550i that makes more hp than both combined. Base Genesis sedans are geared for the same segment as Toyota Camrys, Honda Accords, Lexus ES350s, and BMW 530is. Not exactly a segment of cars that people think of as fast, zippy, or high performance.

Trust me, bloated luxury sedans are not joy ride cars. I wouldn't worry about that.

 

[DRS]

037... Too many folks in these rooms take pot shots at the actual street stories.. Why I have no idea. Could be those who are not owners.. Or could be those who are frustrated owners. In any case, both the 3.8 and 5.0 are very fast. Yes, the nanny tranny and CPU get in the way, especially off the line. No matter, as you experience, when rolling the Genny keeps up or blows away many European or domestic sedans.

 

[037]

quick update

Cruise control is still function as normal.

TPMS light came back on. It is going to be a 5th time a dealer will be looking at this issue and 4th time in a row for Hyundai of LIC, New York.

I've never had to come back for an issue 4 times before...but this will give me a chance to express my joy to them burning through half my tank and enjoying some cigarettes.

Hyundai corporate will be mentioned.

On the other side of the coin, my brothers Sonata is also in for service at the same dealership, based on my recommendation (mostly due to location). This is going to be a good story...

 

[Kenp]

Well, I have just read this and I have the exact situation. I have a 2012 Genesis. I was recently heading down the road here with ACC on. It works a short time and then I get the red light warning and it all goes dead. I took it in today for service and they claim the ACC module is bad and needs replacement. Exact as you described. To do this they say it is in the $4K range. Ridiculous!! Before I expend that money I would do a lot of research or just sell as is. I was a happy customer but this is wrong on many counts.