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Old 02-09-2013, 05:25 PM   #1
captderrick
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Using cruise control

Have 2012 Tundra max crew, 5.7 v8, 6speed auto. tow mode, full tow pkg, rated up pulling 9k. Towing 25' Passport UltraLite fully loaded never over 6500 lbs. I suffer from gout and artiritis in feet and knees. Can I use cruise control ?
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Old 02-09-2013, 05:30 PM   #2
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Originally Posted by captderrick View Post
Have 2012 Tundra max crew, 5.7 v8, 6speed auto. tow mode, full tow pkg, rated up pulling 9k. Towing 25' Passport UltraLite fully loaded never over 6500 lbs. I suffer from gout and artiritis in feet and knees. Can I use cruise control ?
Yes.....the only reason to not use it is on icy/wet road conditions. Climbing steep hills may be another reason to not use it if the transmission is searching for the right gear.
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Old 02-09-2013, 05:35 PM   #3
Bob Landry
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You can use it, but it's not going to be an enjoyable drive. The truck is going to downshift at every rise in the road. Been there, done that.
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Old 02-09-2013, 05:46 PM   #4
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You can use it, but it's not going to be an enjoyable drive. The truck is going to downshift at every rise in the road. Been there, done that.
That won't happen in Tow/Haul mode. What brand/year truck do you own?
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Old 02-09-2013, 07:18 PM   #5
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No reason not to. Give it a try. I use it quite often when we tow. On windy roads I often don't because of the constant speed changes for corrners. But on steady speed roads it's CC all the time.
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Old 02-09-2013, 07:35 PM   #6
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Originally Posted by IdahoSRT10 View Post
That won't happen in Tow/Haul mode. What brand/year truck do you own?
Tow/Haul only raises the shift points of the transmission. It doesn't do anything relative to the function of cruise control. The TV is going to sense every hill and increase accordingly.

I tow with a 2011 Tundra/5.7L
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Old 02-09-2013, 07:38 PM   #7
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No reason not to. Give it a try. I use it quite often when we tow. On windy roads I often don't because of the constant speed changes for corrners. But on steady speed roads it's CC all the time.
I can agree with that on a flat open road, it will probably do OK, but in any kind of uneven terrain, the cruise is going to be a PITA when pulling a heavy load.
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Old 02-09-2013, 07:46 PM   #8
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Originally Posted by Bob Landry View Post
Tow/Haul only raises the shift points of the transmission. It doesn't do anything relative to the function of cruise control. The TV is going to sense every hill and increase accordingly.

I tow with a 2011 Tundra/5.7L
OK....maybe thats the way it affects a Toyota's truck shifting patterns when you are maxed out in towing weight. He will have to jam the throttle with his foot without the cruise set anyways.
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Old 02-09-2013, 08:30 PM   #9
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I use it all the time but I get better fuel mileage without it. Cruise does not anticipate hills like your foot does. If you accelerate a little just before the hill the cruise may take over when you reach the set speed and not have to down shift as often. One good thing is that it helps control your downhill speed somewhat without braking. JM2¢, Hank
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Old 02-09-2013, 09:40 PM   #10
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If you accelerate a little just before the hill the cruise may take over when you reach the set speed and not have to down shift as often.
Never thought of trying that. Will give it a shot next trip -- Thanks!
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Old 02-10-2013, 12:09 AM   #11
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Originally Posted by hankpage View Post
I use it all the time but I get better fuel mileage without it. Cruise does not anticipate hills like your foot does. If you accelerate a little just before the hill the cruise may take over when you reach the set speed and not have to down shift as often. One good thing is that it helps control your downhill speed somewhat without braking. JM2¢, Hank
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Old 02-10-2013, 02:53 AM   #12
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If I couldn't use my cruise, I would buy a larger tow vehicle. I have only had a couple times on very long grades that my truck has shifted out of overdrive.
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Old 02-10-2013, 03:27 PM   #13
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I use it all the time and don't have to worry about creeping up in speed. And with the new GMs they have a cruise braking feature. When desending a grade it will let you get a couple MPH above the cruise setting, then will start down shifting to get more benifit from the exhaust brake. We travel south through the Blue Ridge Mt and never use the foot brake except to stop for fuel and potty breaks.
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Old 02-10-2013, 07:15 PM   #14
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I have a 2012 Tundra 5.7L....owner's manual clearly states not to use cruise control while towing. It doesn't explain.....that's good enough for me......

Have never towed with cruise control with my Tundra.........
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Old 02-11-2013, 07:41 AM   #15
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Originally Posted by chris199 View Post
I have a 2012 Tundra 5.7L....owner's manual clearly states not to use cruise control while towing. It doesn't explain.....that's good enough for me......

Have never towed with cruise control with my Tundra.........
Follow your owners’ manual they tested and wrote this information for a reason. Just like my RAM’s owner manual states do not use the EXHAUST BRAKE on ICE ROADS there is a reason for this.
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Old 02-11-2013, 09:12 PM   #16
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Not familiar with the Toyota; can you manually select which gear you're in? If so you could force it to stay in top gear while in CC, and just pop in out and take on hills yourself. I can't see why towing flat, long sections would cause any issue if your tranny temp is safe.
Normally I stick to the owners manual but its uncomfortable for you to drive extended periods then let the truck do some of the work. I'd make sure the trucks fluids are synthetic and in great shape
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Old 02-12-2013, 06:04 AM   #17
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Chris199, When you made your statement about the Tundra owner's manual saying not to use cruise when towing, I thought that's strange, wonder why???

I downloaded the Tundra OM, read through it and the only reference to not towing with cruise control is in the "Caution Box" in the cruise control operation section. Also in that box are the standard cautions about using cruise on wet roads, slick roads, icy roads, on curves, and on long downhill runs where the engine may overspeed.

Pretty much, what I saw was just the "lawyer-ese" to keep them from being sued if you run off the road while using cruise control.

Did you see anything else about cruise control operation while towing? If so, where in the OM is it? I couldn't find other references to towing with cruise.

Ultimately, it's your choice whether you use cruise or not, I wouldn't question your decision, I'm just trying to find a logical "limitation" on the Toyota cruise equipment that makes it unreliable to use or that would cause equipment damage to the vehicle. It seems rather strange that the other vehicle manufacturers provide equipment that is "usable" while towing and Toyota can't (or won't) use similar equipment. In this competitive world we live in, that's just about unheard of.
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Old 02-12-2013, 07:39 AM   #18
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OK....maybe thats the way it affects a Toyota's truck shifting patterns when you are maxed out in towing weight. He will have to jam the throttle with his foot without the cruise set anyways.
No, at around 8,000lbs I'm not maxed out and my truck tows it all day at 60mph/2000RPM with no struggle at all. I can adjust easily with the accelerator, but with cruise control, it will very often downshift when it feels the increased load instead of merely accelerating. BTW, what is your experience with Toyota trucks?
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Old 02-12-2013, 10:19 AM   #19
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Page 226.....situations unsuitable for cruise control....when your vehicle is towing a trailer.

I think there's another reference in the towing section as well...will check later today and post findings. The statement above is pretty clear.

I wish I could use cruise...my heel hurts on long drives....have to loosen my sneaker and wear two socks as a cushion.

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Old 02-12-2013, 04:19 PM   #20
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Also...on page 292 of the 2012 Tundra Owner's Manual clearly says...Do not use cruise control while towing......



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