Honda Prelude 2026
Development build required. Lane-centering assistance is available with sunnypilot staging or openpilot nightly-dev on comma four or comma 3X.
openpilot’s stable release does not list this configuration yet. Staging and development builds change frequently and may be unstable. Check the build, equipment and control limits before buying.
Check equipment and setupCompare software optionsSoftware options for this car
2 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.
openpilotDevices: comma 4 and comma 3Xdevelopment · nightly-devListed by project
Official comma.ai baseline.
Development build required: verified in nightly-dev, not listed for these years/hardware in the checked stable release. Optional alpha openpilot speed control disables Honda CMBS, including automatic emergency braking (AEB) and forward-collision warnings (FCW).
Steering: All listed speeds · Gas and brakes: Factory cruise · Experimental speed: Non-release only
sunnypilotDevices: comma 4 and comma 3Xstaging · stagingListed by project
Added driving and convenience settings.
Staging build on comma four or comma 3X. Factory adaptive cruise controls speed by default. Optional alpha software speed control disables Honda CMBS, including automatic emergency braking (AEB) and forward-collision warnings (FCW). Honda Bosch B connector.
Steering: All listed speeds · Gas and brakes: Factory cruise · Experimental speed: Optional alpha control
Check 8 other projects
FrogPilotDevices: comma 3X and comma 3Not verified
Extensive driving and interface controls.
We have not confirmed this software for your exact car and equipment. Ask the project’s community before installing; support may still be available.
IQ.PilotDevices: comma 4, comma 3X and comma 3Not verified
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.
BluePilotDevices: comma 4 and comma 3XNot verified
Ford-focused sunnypilot fork.
We have not confirmed this software for your exact car and equipment. Ask the project’s community before installing; support may still be available.
StarPilotDevices: comma 4, comma 3X and comma 3Not verified
FrogPilot-derived feature fork.
The car table names the 2026 Prelude, but the Honda platform definitions at the same revision do not include it. Support remains unconfirmed. Ask StarPilot’s community before installing for this car.
dragonpilotDevices: comma 3X and comma 3Not verified
Driving and device customization.
We have not confirmed this software for your exact car and equipment. Ask the project’s community before installing; support may still be available.
OPKRDevices: comma 3 and comma 2Not verified
Hyundai, Kia, and Genesis focus.
We have not confirmed this software for your exact car and equipment. Ask the project’s community before installing; support may still be available.
OPGMDevices: comma 3Not verified
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.
ZoompilotDevices: No reviewed device listNot verified
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.
Controls with openpilot nightly-dev
- Steering
- openpilot helps keep you centered in your lane.
- Gas and brakes
- Factory adaptive cruise by default in the checked development build.
- Your role
- Watch the road and stay ready to steer or brake.
Optional alpha openpilot speed control disables Honda CMBS, including automatic emergency braking (AEB) and forward-collision warnings (FCW).
This entry covers the 2026 Prelude only. For openpilot, use nightly-dev on comma four or comma 3X; older comma devices and Chestnut builds were not verified.
What you need
- Factory equipment
- All packages listed for this exact configuration.
- Connection
- Honda Bosch B connector. Confirm the complete harness, cable and power kit for your device.
- Software and device
- Choose one of the listed builds above for your device. The verified openpilot build is nightly-dev on comma four or comma 3X. Other devices and Chestnut builds were not verified for this configuration.
Use the installation guide and current branch list for your chosen project. Its normal stable installer may use an older car definition and does not establish support for this configuration.
Source and build
Checked 2026-10-19 against exact source code, including controls and connector definitions. This is a source review, not an on-road test or a stable-release listing.
Exact nightly-dev car definition