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sunnypilot/docs_sp/settings/mads.md
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Jason Wen 27dfd5cbf0 phase 1-5
2026-03-11 15:19:55 -04:00

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MADS Settings

MADS Settings

Fine-tune how the Modular Assistive Driving System (MADS) engages and disengages steering assistance.

Location: Settings → sunnypilot → Steering → MADS Settings

!!! info "Prerequisite" The main MADS toggle must be enabled in Steering Settings to access these settings.


Main Cruise Allowed

Property Value
Param MadsMainCruiseAllowed
Type Toggle (On/Off)
Default Off

When enabled, pressing the main cruise button (the on/off button on the steering wheel) can activate MADS steering assistance.

!!! warning "Vehicle Restrictions" - Rivian: Always forced OFF (limited settings mode) - Tesla (without vehicle bus): Always forced OFF (limited settings mode)


Unified Engagement Mode

Property Value
Param MadsUnifiedEngagementMode
Type Toggle (On/Off)
Default Off

When enabled, engaging cruise control also automatically engages MADS lateral control in a single action, rather than requiring separate activation.

!!! warning "Vehicle Restrictions" - Rivian: Always forced ON (limited settings mode) - Tesla (without vehicle bus): Always forced ON (limited settings mode)


Steering Mode on Disengage

Property Value
Param MadsSteeringMode
Type Multi-button selector
Options Remain Active · Pause · Disengage
Default Remain Active

Controls what happens to MADS steering assistance when you disengage cruise control:

Mode Behavior
Remain Active Steering assistance continues even after cruise is disengaged
Pause Steering assistance pauses but can be quickly resumed
Disengage Steering assistance fully disengages with cruise

!!! warning "Vehicle Restrictions" - Rivian: Always forced to Disengage (limited settings mode) - Tesla (without vehicle bus): Always forced to Disengage (limited settings mode)