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Discussion Starter · #1 ·
My CT is three weeks old and has a fickle Cruise Control that works flawlessly at times, then won't engage at other times. Spoke with my dealer's service manager about it last week while my ES was being serviced. He said to bring the CT in the next morning and that he would have a tech check it out. (No appointment necessary. Lexus is anxious to uncover and fix any reported problems with the CT200h.)

Enroute to the dealer the following morning I turned the cruise on and it engaged. Repeated the process close to twenty times and it never failed to set. When I arrived at the dealer I told the service manager that it seems to be working OK now, and it continued to do so for the next three days (I tested it each time I drove the car.) When I used the CT to run an errand this morning, the cruise worked fine on the outbound trip. On the return trip home on a freeway doing 65, it refused to set. Turning the system off and on a half-dozen times produced the same result: Nada.

I drive in the Normal Mode and seldom use Eco or Sport. I'm very familiar with Toyota cruise control units and fully aware that it is designed not to engage at low speeds (I've always been doing 40 or better to set it).

This is obviously an intermittent problem that might be caused by a loose contact in the system, possibly in the stalk, but I get a solid green CC indicator light on the dash every time the button is pushed to turn the system on. It has come to the point that pushing the stalk down to set the speed is a little like playing craps. Will it engage or won't it?

Looks like I'll be making another trip to see the service manager on Monday. Unfortunately, I'll be dealing with that irrefutable law of the cosmos written in stone that reads: "Intermittent automotive problems are never to reveal themselves in front of a service manager."
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2011 CT200h
2009 Lexus ES350
2006 Acura MDX
2001 Gold Wing
 

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Discussion Starter · #3 ·
Did you ever get this resolved?
Maybe, but not because a problem was found and fixed. When I took the CT in on Thursday, 4/21, and spoke with the service manager about the problem, he took it into the service bay and had one of his techs hook the car up to a computer that performed a full systems check. The printout showed no problems or anything outside of normal specs.

With the service manager behind the wheel, we took a 20 minute drive on the freeway in which he engaged the cruise control numerous times, but he couldn't get it to fail. Thinking (and hoping) that whatever caused the problem may have fixed itself, I took the car home.

The following day I used the CT to meet a friend for lunch in a town 20 miles away. I used the CC for a 5 mile stretch, then turned it off using the push button due to heavy traffic (green light went out). When traffic was light again I turned it back on (green light lit up). But when I pushed the stalk down to engage it, the mpg display on the dash remained unchanged and the CC wouldn't engage. This was on Friday, 4/22.

I took the CT back to the dealership on Monday the 25th and spoke again with the service manager. By now we had become friends as a result of conversations regarding his father's occupation matching mine and other topics not related to the CT. After discussing the situation regarding the cruise control and learning that his commute to and from work was in a neighboring city 20 miles away, I suggested that he use my CT as his work transportation for the rest of the week, or until he could get the CC to fail. Since it was my suggestion and he had little experience driving a CT (the dealership has sold less than two dozen), he seemed happy to take me up on my offer.

He called me five days later on the following Friday to say he had engaged the CC several times on each trip to and from work and could not get it to fail. Whatever the gremlin is or was, it appears to be doing what gremlins do.

While the service manager put a few hundred miles on my CT without finding and resolving the problem, the car was full of gas and absolutely spotless when I picked it up. There was another plus: When I turned the car over to him the Shark Fin antenna that had just arrived was sitting in the back seat. After he inquired about it and I told him what it was, he asked if I wanted one of his techs to install it at no charge. My answer was obvious, so my spotless, full of gas CT was also sporting the Shark Fin on the roof when I picked it up.

This was last week. The CC has worked fine the few times I have used it since. But I've got a gut feeling that the gremlin is still there waiting to pounce.
 

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Discussion Starter · #7 ·
Mine's broken as well! Every time I try and engage the CC, some liquid squirts onto the windshield.

I'm just not used to all the controls on the steering wheel/column. The DISP, radio stations, volume, automatic wipers, CC... I don't even want to think about the bluetooth!

I'm too old for all this new technology!
Funny schtick, and in most cases it applies to me as well. But trying to set the cruise control and watching liquid squirt on my windshield wasn't my problem. It could have been as I'm up there in age as well, but the CT is the 7th Toyota-made car I've owned with cruise control, so I have had years of experience with the feature. And no, the earlier post that suggested I may have tried to use the shift lever to brake doesn't apply either. In fact, I seldom use it.

As for the Bluetooth, I told my salesman that I would purchase the CT only on the condition that he pair both my cell phone and my iPod Touch 4 so I could listen to my iTunes collection wirelessly. He did, but if I was to lose the connection with either device I would have to make a return trip back to the dealer. My salesman was one of those "kids" who grew up playing video games whereas I grew up when skateboards were made at home with a pair of roller skates nailed to the front and back of a two-by-four, and when the acronym RTFM was strictly for sissies.

I will, however, admit to referring to the Owner's Manual two weeks ago after I set the parking brake in the CT and spent five minutes looking for the release lever.
 
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