Requires Smart Cruise Control (SCC). Here is who controls what.
sunnypilot, BluePilot, StarPilot and FrogPilot offer optional alpha speed control for the listed Stinger years. Check the fork’s device support; FrogPilot’s reviewed branch covers comma 3X and comma 3. dragonpilot also has it, with a build/channel caveat.
Experimental Mode alone is not enough. Enable alpha speed control first. The standard Stinger radar-disabling path loses factory automatic emergency braking (AEB). Stay ready to steer or brake.
How to enable it in sunnypilotOfficial table checked Oct 4, 2026.
Steering
comma helps steer
Helps keep you centered in your lane. Stay ready to steer.
Gas and brakes in standard openpilot
Your car’s cruise control handles gas and brakes
The normal setup keeps your car’s own speed and distance control. Test software differs; see the details below.
Your part
Watch the road. Stay ready to take over.
You remain responsible for steering and braking whenever needed.
Two separate settings
These steps cover the reviewed sunnypilot releases for comma four and comma 3X on the listed Stingers. First install the correct version using the sunnypilot installation guide.
If alpha control is missing, or Experimental Mode stays unavailable after the restart, check the recognized car, installed branch and device support. Do not force the setting or select a different model year. Neither switch guarantees stops for lights or signs.
Source-checked October 4, 2026 on release-mici (comma four) and release-tizi (comma 3X); not a physical-device or road test. The alpha warning concerns loss of factory braking protection even when Experimental Mode is off.
Lateral control means steering. Longitudinal control means acceleration and braking. In standard openpilot, comma steers while Kia’s Smart Cruise Control handles speed.
Official alpha speed control is a non-release option. The reviewed Stinger path disables factory radar control and loses automatic emergency braking (AEB).
2021 is not listed by comma and is not verified here. The 2018–2020 and 2022–2023 groups use different harnesses.
Read the Stinger limits and setup guideYou still get openpilot’s lane-centering assistance, even with factory cruise controlling gas and brakes. For highway driving, that can be the upgrade you want.
openpilot uses a driver-facing camera to check your attention instead of asking for regular nudges of the wheel. Attention alerts and requests to take over still matter: keep watching the road and be ready to steer or brake.
comma says openpilot can drive for hours without intervention. That describes a possibility, not a promise for this car or your route. Curves, weather, road conditions, and your car’s steering limits can require your help at any time.
About standard openpilot; community software may differ. comma’s features and driving limitations · checked September 16, 2026.
Check the requirements for this carThe official list uses the US market unless the model name or a source note says otherwise. Similar trims and years are not automatically included.
Listed starting price: $999 USD. Select your car to confirm the total, including any extra parts, shipping and taxes.
Shop checked September 16, 2026. No paid subscription is required for the basic setup.
6 of 10 projects list this exact year and package in the reviewed source. A listing is not a road test. “Not verified” does not mean unsupported.
Official comma.ai baseline.
Two Stinger rows rechecked against this exact car table and control code. Factory SCC controls speed on official releases; optional alpha requires a non-release build and disables factory AEB on the reviewed radar path. Source review, not an on-road test.
Steering: All listed speeds · Gas and brakes: Factory cruise · Experimental speed: Non-release only
Added driving and convenience settings.
Two Stinger rows rechecked against this exact car table and control code. Factory SCC controls speed unless optional alpha control is enabled; alpha changes factory braking protection. Source review, not an on-road test.
Steering: All listed speeds · Gas and brakes: Factory cruise · Experimental speed: Optional alpha control
Extensive driving and interface controls.
Two Stinger rows rechecked against this exact car table and control code. Factory SCC controls speed unless optional alpha control is enabled; alpha changes factory braking protection. Source review, not an on-road test.
Steering: All listed speeds · Gas and brakes: Factory cruise · Experimental speed: Optional alpha control
Ford-focused sunnypilot fork.
Two Stinger rows rechecked against this exact car table and control code. Factory SCC controls speed unless optional alpha control is enabled; alpha changes factory braking protection. Source review, not an on-road test.
Steering: All listed speeds · Gas and brakes: Factory cruise · Experimental speed: Optional alpha control
FrogPilot-derived feature fork.
Two Stinger rows rechecked against this exact car table and control code. Factory SCC controls speed unless optional alpha control is enabled; alpha changes factory braking protection. Source review, not an on-road test.
Steering: All listed speeds · Gas and brakes: Factory cruise · Experimental speed: Optional alpha control
Driving and device customization.
Two Stinger rows rechecked against the exact table and code. Optional alpha depends on the installed build/channel: a normal 0.11.1 branch checkout is not classified as an official release by its version code. Factory SCC is used without alpha; alpha changes factory braking protection. Source review, not an on-road test.
Steering: All listed speeds · Gas and brakes: Factory cruise · Experimental speed: Optional alpha control
Hyundai, Kia, and Genesis focus.
The project lists Kia Stinger 2018, but the years or required package differ. Required equipment: SCC + LKAS.
IQ.Dynamic driving modes plus device and network tools.
We have not confirmed this software for your exact car and equipment. Ask the project’s community before installing; support may still be available.
GM Global A specialization.
We have not confirmed this software for your exact car and equipment. Ask the project’s community before installing; support may still be available.
Mazda-focused steering and cruise changes, with sunnylink access.
We have not confirmed this software for your exact car and equipment. Ask the project’s community before installing; support may still be available.
CommaGuide referral
Use our referral link at comma.ai. You get $50 off, and CommaGuide gets $50 after a qualifying purchase.
Referral offer. New customers and comma's terms apply.
In the standard release, openpilot steers while the car's factory adaptive cruise controls gas and brakes. Use the car's normal cruise controls for speed and following distance.
The stable release cannot use Experimental Mode on this car. Comma lists alpha openpilot gas and brake control, but its toggle is limited to non-release branches such as nightly-dev. Fork behavior is separate and must be checked with that project.
Chestnut gives comma four more computing power for larger driving models. The connection to the car still decides whether openpilot can send steering, gas, and brake commands. What Chestnut changes
A car may use radar, cameras, or both to see traffic. That is separate from who sends gas and brake commands. The official row does not name the sensor for this car, so CommaGuide does not guess.
Short summaries with a direct link to each full guide.
All hyundai, kia, and genesis guidesThis page describes stock openpilot capability from one exact official table row. It does not prove that a community fork supports this configuration.
Marks and logos identify their owners and are not proof of support. CommaGuide is an independent guide.
