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Cruise control... like a roller coaster
The first 6 months of HL ownership have been eventful and I'm very grateful for the forum's insights. I picked up my 2013 Limited with just under 80K miles. The first 100 days saw the replacement of the intermediate steering shaft, the radiator, and the timing chain cover oil seal (I think I have that correct). All told, over $3500 in repairs. I believe this is mostly due to labor costs associated with the removal of the engine. I didn't get a clear breakdown of the costs because it was a Certified Used Vehicle and the warranty that comes with it picked up nearly all the costs.
Currently my only complaint with the HL is the cruise control.
Lots of people like to ride in the front of their favorite roller coaster, but I've always liked the back. That feeling of acceleration that you get as the majority of the coaster's weight begins to plunge over the top of the drops and the sensation of weightlessness as the coaster rockets over the apex is what I enjoy. I DO NOT, however, like that same sensation while driving the HL with the cruise control on.
When climbing shallow to moderate hills, the HL will not downshift out of 5th and will simply increase throttle. The speed will sometimes drop slightly, maybe 1-2 mph, but as the grade reduces near the top, the increased throttle remains... even beyond the target speed and sometimes I'll find myself 3-4 mph above the target speed. This may not sound like much, but if you set your cruise 2-3 over the speed limit (OK, 4 mph over) you easily put yourself at risk of an unscheduled meeting with a State Trooper. Moderate to steep grades are no issue as they are enough to force the HL to downshift into 4th and the cruise holds the target speed as it should... it's only when it stays in 5th.
I asked the dealership if the shift points could be manipulated when I took it in for all those repairs. When I picked it up they said they also noticed the issue, reflashed the ECM, but that there was nothing else they could do. After several searches I couldn't find where anyone else was having an issue with this, only the occasional post about how MPGs were reduced because of the HL cruise control in hilly terrain. I've gotten into the habit of keeping the shifter in Manual and just bumping it up or down myself, but I'm thinking about the trip I'm taking to Massachusetts in a month. This will become tedious for 3 days as I travel through AR, TN, VA, PA... not known for flat roadways like West Texas.
Anyone else experiencing this? Any ideas on how to mitigate the effects?
2013 Highlander Limited
2004 Corolla CE
1998 Dodge Ram 1500
(to haul the 2 wheeled machines)