Love ACC and One Pedal Drive – But Not Together

[JossiEnd]

Hi all,

I've really come to love both the Adaptive Cruise Control (ACC) and the One Pedal Drive in my Mach-E. They’re both amazing features that make driving more enjoyable and smooth—but not when used together.

The issue I’ve run into is that when ACC unexpectedly disengages (for example, due to unclear road markings or sudden weather conditions), the car immediately starts active regenerative braking because One Pedal Drive is still on. This results in a pretty intense deceleration, which can be jarring—especially when you’re not expecting it.

It would be great if there was a short delay (even just a couple of seconds) before the regen braking kicks in after ACC disengages. That way, you'd have time to take over and gently press the accelerator yourself, making the transition smoother and more comfortable.

Yes, I know you can turn off One Pedal Drive before enabling ACC, but that kind of defeats the purpose of having both features easily available. It just feels a bit clunky to toggle back and forth.

Curious if anyone else has noticed this or found a better workaround? Would love to hear your thoughts!

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[geftsnowball]

From my experience, it sounds like different driving styles will affect the perception of how well this works. I have not had this issue using both.

Not meaning to offend, but this sounds like a "you're doing it wrong" () kind of thing? I could see the argument that if you're getting such a drastic deceleration before you can regain control you're using it in an unsafe/unintended manner (e.g., "why isn't your foot near enough to the accelerator pedal?"). Maybe it's also drive mode (e.g., unbridled?) resulting in the high deceleration? I've switched to always using engage because I got tired of it switching me out of unbridled (and/or too lazy to toggle back from engage when the weather warmed up... plus I like the blue color theme more )

Personally, I use ACC and OPD in 95%+ of my driving (yes, even on those 25-45 MPH streets around town in addition to highway driving, basically 20 or above and it's on). With that said, my foot is always near the brake/accelerator and also my left hand is always on the steering wheel in what I think of as "the Blue Cruise grip™" (lol) and am constantly entering/exiting ACC and adjusting my speed throughout my drive (e.g., coming up to a light with stopped cars: stop ACC and manually control deceleration to a stop -- Resume ACC when cars are back in motion, 25-45 transition? hold up on the speed adjust so it ticks up in increments of 5 and manually adjust as it's close to that target number).

There are many points where ACC will lose lane keep and I never recall any intense/jarring deceleration (in-town or highway driving). I do have the alerts on and when lane keep is lost, my experience is that it beeps and I maintain control. I don't recall ACC dropping completely, only lane keep.

Now that I've said all that, it occurs to me that you stated "ACC unexpectedly disengages (for example, due to unclear road markings or sudden weather conditions)" and I equated that to lane keep disengaging. In my use, ACC doesn't fully disengage unless you ignore the multiple warnings? There are a few particularly sharp curves in my daily drive that lane keep beeps at me and I just steer through them (lane keep disengages) while ACC keeps the car moving. Have you disabled all safety warnings? I know some people get really annoyed by all the beeps and chimes but I don't mind them and they also provide ample warning (again, in my experience) before the system completely disengages. It sounds like maybe an adjustment to how you use it might resolve this issue?

 

[Mach-Lee]

ACC has only disengaged for me about twice in three years of driving, and I use it every day. It is such a rare event that the radar sensor gets blocked (only heavy rain and snow). There is an orange messaged displayed about the sensor blocked and the car starts slowing down at a moderate pace, but nothing crazy and I’m on the pedal to correct that within one second anyway. To me it’s a rare minor inconvenience, not enough reason to discontinue use of 1PD.

Does your car have frequent radar blockages? If so there might be a problem with the sensor or front license plate placement.

The “cancelled” ding if it can’t see the lines doesn’t disengage ACC, just lane centering. Speed should be unaffected.

 

[E90alex]

My experience so far echos Mach-Lee. ACC will still control speed even if lane assist is cancelled. So I’m not sure what is causing your ACC to cancel as well and therefore start slowing down. Unless you are reflexively pressing the button or tapping the brake to turn off cruise control every time it alerts you.

 

[luckie]

Hi all,

I've really come to love both the Adaptive Cruise Control (ACC) and the One Pedal Drive in my Mach-E. They’re both amazing features that make driving more enjoyable and smooth—but not when used together.

The issue I’ve run into is that when ACC unexpectedly disengages (for example, due to unclear road markings or sudden weather conditions), the car immediately starts active regenerative braking because One Pedal Drive is still on. This results in a pretty intense deceleration, which can be jarring—especially when you’re not expecting it.

It would be great if there was a short delay (even just a couple of seconds) before the regen braking kicks in after ACC disengages. That way, you'd have time to take over and gently press the accelerator yourself, making the transition smoother and more comfortable.

Yes, I know you can turn off One Pedal Drive before enabling ACC, but that kind of defeats the purpose of having both features easily available. It just feels a bit clunky to toggle back and forth.

Curious if anyone else has noticed this or found a better workaround? Would love to hear your thoughts!

Back in early 2022 I had a similar experience in the first week driving the Mach-E on the highway at 70mph. I think it was memorable since 1PD was so new to me and I moved my foot to the brake as a fear reaction to the deceleration or something. It was also memorable since my wife did not like the experience and was a bit scared. Ever since, as a habit, I just turn OFF 1PD when I start a long multi-hour road trip on the highway. I believe the conventional wisdom is the 1PD utility on the highway is minimized greatly, so I just turn it off.

Interestingly (to me) I just drove a new 2025 Mach-E home from the dealership last week and as soon as I pressed ON the ACC button, the car took over, engaged self-driving with BlueCruise 1.5 and started passing other vehicles, lol. That car was not shy about passing others. Needless to say, my wife did not like this either.

I find it interesting that the default factory setting for a brand newbie owner of a 2025 Mach-E, who clicks on Cruise Control, is currently a surprising "Hold my beer, dude, I'm taking over and passing people now". lol.

 

[Scarpia]

I have the same issue as OP, but due to a different cause. I have a fairly long drive very early morning and use BC, and the freeway has many bumpy areas that cause me to have the front camera fault so BC disengages. The car immediately slows down drastically because I use 1PD. I've taken to disengaging 1PD so when it happens the car doesn't slow down much.

OP: I don't believe you have to turn off 1PD before engaging ACC (at least I don't have to do it with BC). You should be able to turn it off while ACC is on, since that works for me with BC.

And yes, I'll take the car in and have the front camera cable checked out at some point.

 

[4sallypat]

No 1PD for me - too jarring of a ride in bumper to bumper traffic in Los Angeles.

2PD Engage mode is perfect blend of regen and smooth ride even if I have to jump on the brakes a lot.

 

[AliRafiee]

I haven’t used ACC by itself, I use BC. When that disengages, the car keeps its speed. I guess in that case the ACC is still active and lane center is inactive.

 

[leehinde]

Personally, I use ACC and OPD in 95%+ of my driving (yes, even on those 25-45 MPH streets around town in addition to highway driving, basically 20 or above and it's on).

I'm glad to see someone else doing this. All the major throughways around me have speed limits set 5 mph lower than when the first were built, because the rated speed was too damn fast. BUT, most people cruise at the 'built speed.'

Anyway, I routinely use ACC on city streets so I don't get carried away and keep up with the speed demons. (and, yes, I stay out of the way of said demons.)

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