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Discussion Starter · #1 ·
Are there any other manual Toyotas with this system? I'm just wanting to know if pushing the clutch in and downshifting is going to cancel my cruise setting, and if the cruise will have a minimum speed.
 

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Discussion Starter · #3 ·
Actually with the ACC Mr. Toyoda himself will fly in and shift it for you, so your tootsies don't have to touch anything!
Wow, what a bargain for a standard feature!
 

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My ‘21 Corolla Hatchback has it. It pretty much works how it should—by maintaining the programmed speed.

If you need to accelerate after a slowdown, you have to downshift yourself for it to accelerate in the optimal powerband.

I mean that’s pretty much how a manual transmission operates…lol.

Best combo is ACC and iMT in traffic. It did pretty well. I’ve never checked if the car goes up to redline or what happens if you don’t shift lol.
 

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I got to imagine clutching in will cancel the cruise - it does on every car I have ever driven.

I drove a RAV4 and it will stop, and resume. I drove a Tacoma (4cyl auto) and it had a minimum speed - 25 mph, like most conventional cruise controls.

I can’t imagine the car will stop in gear with cruise, so I would guess it will get the 25 lower limit.
 

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My ‘21 Corolla Hatchback has it. It pretty much works how it should—by maintaining the programmed speed.

If you need to accelerate after a slowdown, you have to downshift yourself for it to accelerate in the optimal powerband.

I mean that’s pretty much how a manual transmission operates…lol.

Best combo is ACC and iMT in traffic. It did pretty well. I’ve never checked if the car goes up to redline or what happens if you don’t shift lol.
does shifting gears de-activate the ACC? or is it kinda like a no-lift-shift where you don't have to touch the gas pedal?
 

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does shifting gears de-activate the ACC? or is it kinda like a no-lift-shift where you don't have to touch the gas pedal?
Shifting does not deactivate. I do remember that I used the engine’s momentum to shift up without gas a few times while it was accelerating and it shifted smooth.

I didn’t even think about whether the car cancels ACC if I clutch it. There must be a grace period because I was experimenting with it using iMT and all.

I’ll check it out again on my way home I’m curious now too.
 

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Alright so I drove with ACC in city and highway.

- Minimum speed is 19mph for it to activate but shows 20 mph on system and can be manually increased by 1 mph increments.

- When you shift, obviously throttle stops and rpm‘s drop. Once you complete the gear change there is a fraction of second delay before it starts to self-apply throttle and self-accelerate again to the programmed speed. This happens both when upshifting and down shifting.

- ACC cancels after you keep the clutch in for 4-5 seconds.

- You can still press gas if needed during shifting whether you are downshifting or upshifting.

I’d say it’s pretty thought out as far as a manual transmission adaptive cruise control goes.
 

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Thats nice! I guess with drive by wire and eletronic controls, they can do this with ease now. Im used to old school cruise disengaging as soon as you touched clutch and have to press resume to get going again.
 

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On the tacoma's you can do a little dance to disable the adaptive cruise control. Personally, I love it... with all the crazy people on the 401....
 

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The more citified my city becomes, the more I want ACC. I got to drive a Mustang with it once, and it was super nice to have. Excited to see it in a manual transmission. Yeah, I wanna rip the car around plenty, but sometimes I just want to get home with as little effort as possible.
 

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My '18 Mazda 3 hatch had a 6MT and ACC. You could shift freely while cruise was active and it would not cancel your speed setting. There was also a recommended gear indicator inside the tach which would tell you when to downshift, etc. I'm not sure if it would just stall out or cancel cruise if you slowed too much since I never tried to do that. You could swap between ACC and regular fixed-speed cruise through holding the CC button on the steering wheel. I would bet $50 the Toyota system on the GRC will work the exact same way.

My '18 JL Wrangler cancels cruise when I clutch in, but it doesn't have any of the advanced driving/safety features like my Mazda3 did. It's just a 4-door Sport S with the only option being a hard top so it's a pretty basic Wrangler vs. the $50k+ ones you usually see driving around.
 

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My '18 Mazda 3 hatch had a 6MT and ACC. You could shift freely while cruise was active and it would not cancel your speed setting. There was also a recommended gear indicator inside the tach which would tell you when to downshift, etc. I'm not sure if it would just stall out or cancel cruise if you slowed too much since I never tried to do that. You could swap between ACC and regular fixed-speed cruise through holding the CC button on the steering wheel. I would bet $50 the Toyota system on the GRC will work the exact same way.

My '18 JL Wrangler cancels cruise when I clutch in, but it doesn't have any of the advanced driving/safety features like my Mazda3 did. It's just a 4-door Sport S with the only option being a hard top so it's a pretty basic Wrangler vs. the $50k+ ones you usually see driving around.
Good info! Thanks!

Yeah, my Focus ST is the same as your Wrangler. Clutch in cancels CC until I manually re-enable it.
 

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Discussion Starter · #18 ·
Who needs one? I don't, for a car like this, enjoy the full control.

Well this is just me.
It's going to be my daily. There are several stretches of road on my drive to work where being able to set ACC and forget about it would be fantastic.
 

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Discussion Starter · #19 ·
Will we be able to fully deactivate the adaptive part of the cruise control system? I really do not enjoy using it. Also is there a max speed allowed for engaging the cruise control?
On my mom's RAV-4 you can disable the adaptive part of the cruise control. Not sure on the max engagement speed. The max I've had it set in that car is 90mph.
 
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I have a frequent destination spot about 4 hours away from my house, and driving a work vehicle with ACC (usually our 2020 Outback XT) is so nice on that drive, but the one downside is that it seems a bit "trigger" happy on the adaptive part, i.e. if I'm cruising in the right lane and there's a slower car coming up, it wants to brake the second before I'm ready to change lanes to go around them, and it brakes rather aggressively IMO. I probably drive more aggressively than some though. I'm looking forward to the ACC in the GRC.
 
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