Does the ICC hold the set speed when going downhill, or does it allow the truck to coast and gain speed? I ask because the ICC in my 2023 Frontier allows the truck to coast and gain whatever speed the grade dictates. If a vehicle is ahead within the set ICC distance the truck will brake, but with no vehicle ahead the truck does not brake.
2mileshigh
Does Intelligent Cruise Control Hold the Set Speed Downhill?
In my experience, it doesn't. It just maintains the distance between vehicles. As with all cruise controls, down hill driving will increase speed. It will come down to the set speed as momentum decreases.
Thanks. My recent F 150 and Ram did hold the set speed downhill. I can't remember when I last had a vehicle that did not. I do a lot of mountain driving in Colorado, so it's a feature I notice.
The Frontier's CC programming is vastly different than the other vehicles I've owned over the last 10 years. On even milder uphill grades It allows the truck to lose about 5 MPH, then it downshifts 3 gears and accelerates like a bat out of hell to 5K RPM to regain speed. On steeper grades it will downshift 4 gears and rev to 6K RPM to regain lost speed. I've never experienced anything like it. I wish I had read the manual before purchasing the truck. Nissan recommends against using the Frontier's CC on hills. That makes it all but useless here in Colorado.
The Frontier's CC programming is vastly different than the other vehicles I've owned over the last 10 years. On even milder uphill grades It allows the truck to lose about 5 MPH, then it downshifts 3 gears and accelerates like a bat out of hell to 5K RPM to regain speed. On steeper grades it will downshift 4 gears and rev to 6K RPM to regain lost speed. I've never experienced anything like it. I wish I had read the manual before purchasing the truck. Nissan recommends against using the Frontier's CC on hills. That makes it all but useless here in Colorado.
I also live in Colorado, I don't use CC on the passes and grades on I70 in my Titan. I manual shift to the gear I need to either keep my speed or stop from coasting away.
Other than Vail pass, never had a issue with the cruise control and even if I did it wouldn't have kept me from the purchase of my Titan.
My 17 dodge 1500 company truck doesn't maintain the speed with CC on going over the pass. It either runs away, or down shifts to keep the set speed.
Other than Vail pass, never had a issue with the cruise control and even if I did it wouldn't have kept me from the purchase of my Titan.
My 17 dodge 1500 company truck doesn't maintain the speed with CC on going over the pass. It either runs away, or down shifts to keep the set speed.
Was in some mountains this weekend, mine did brake, I don't think it was traffic related. Either way, love the feature.
My 21 P4x will gain roughly 10 MPH on a steady down hill but then will apply the brake to a closer speed I have set… my 23’ Rock Creek Pathfinder holds the cruise speed almost to a T… I like the pathfinder scenario better as I am usually doing 5-7 mph more than the posted speed limit as is…
Thanks to all.
It's a mystery why Nissan hasn't programmed their truck's CC the same as their SUVs. Other manufacturers have. I know that they can't apply lane centering assist or hands-free technology to the trucks because there is no electronic/computer interface with their old-school hydraulic steering. But that's not the case with braking and shifting. Both systems interface with the computer for a number of functions. The core functionality is there. All it would take is a few lines of code.
The good news is that is doesn't sound like the Titan also suffers from the demonically possessed CC of the Frontier. Skip to 1:37 for the gist of it.
It's a mystery why Nissan hasn't programmed their truck's CC the same as their SUVs. Other manufacturers have. I know that they can't apply lane centering assist or hands-free technology to the trucks because there is no electronic/computer interface with their old-school hydraulic steering. But that's not the case with braking and shifting. Both systems interface with the computer for a number of functions. The core functionality is there. All it would take is a few lines of code.
The good news is that is doesn't sound like the Titan also suffers from the demonically possessed CC of the Frontier. Skip to 1:37 for the gist of it.
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