ui::text : lane_guidance text: "" coords_l: 200, 0 coords_r: 824, 100 font: "font/license_plate.font" color: 0xFFFFFFFF text_h_align: center

guidance = laneOffset > 0 ? ">> " : " <<";

import keyboard import time from telemetry_sdk import Telemetry telemetry = Telemetry() last_error = 0

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For full self-driving, you need an that simulates keyboard input based on telemetry data. This guide gives you both approaches. Start with the ACC mod, then expand to external control if you need steering automation.

sound_data: autopilot_engage name: "/sound/autopilot_engage.ogg" volume: 0.7 looped: false

telemetry.Controls.CruiseControlSetSpeed = kmh / 3.6f; telemetry.Controls.CruiseControlEnable = true;

# Add to def/vehicle/truck/your_truck/dashboard.sii ui::text : autopilot_indicator text: "<img src=/ui/autopilot_icon.dds>" coords_l: 800, 400 coords_r: 840, 440 visible: false

else if (Math.Abs(laneOffset) > 0.3f)

// Update UI text telemetry.UI.SetText("lane_guidance", guidance); Step 6.1: Define Keyboard Shortcuts (def/control_config.sii) SiiNunit

public void Update() distanceToFront <= 0) SetCruiseSpeed(targetSpeed); return; // Calculate safe speed based on distance float safeSpeed = CalculateSafeSpeed(distanceToFront); float desiredSpeed = Math.Min(targetSpeed, safeSpeed); // Emergency braking if (distanceToFront < 8.0f) telemetry.Controls.Brake = 1.0f; telemetry.Controls.Throttle = 0.0f; ShowWarning("EMERGENCY BRAKE!"); return; // PID control for smooth following float speedError = desiredSpeed - mySpeed; float throttle = Math.Clamp(speedError * 0.05f, 0.0f, 1.0f); float brake = Math.Clamp(-speedError * 0.1f, 0.0f, 1.0f); telemetry.Controls.Throttle = throttle; telemetry.Controls.Brake = brake; // Adjust cruise control setpoint SetCruiseSpeed(desiredSpeed);

vehicle_autopilot_config : .autopilot.data

telemetry.UI.SetVisible("autopilot_indicator", accActive); Step 7.1: Add sound definitions (def/sound/autopilot_sounds.sii) SiiNunit

This guide focuses on the approach: ACC + Auto Emergency Braking + Visual Lane Guidance. Part 2: Required Tools | Tool | Purpose | |------|---------| | SCS Blender Tools | Modeling dashboard displays | | ETS2 Studio | Mod structure & definitions | | SiSL's Telemetry SDK | Real-time data access (speed, steering, distance to vehicle ahead) | | Notepad++ / VS Code | Editing .sii, .sui files | | DXTbmp / Paint.NET | Texture editing for UI | | Telemetry Server (optional) | For external C#/Python scripts | Part 3: Mod Architecture Your mod folder structure: