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HMI Driver Cluster

Atomic Design / UX Design / HMI Driver Cluster

HMI Design · 2025

HMI Driver Cluster

Designing Intelligent, Intuitive & Immersive Mobility Experiences

HMI Automotive UI Interaction Design
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Overview

Modern vehicles are evolving into intelligent ecosystems where information, safety, and experience converge. This project focused on designing a next-generation automotive cluster display HMI that moves beyond static dashboards — creating a dynamic, modular, and scalable interface system that delivers real-time driving intelligence, context-aware UI adaptation, and seamless integration of vehicle, navigation, and infotainment.

Disciplines

HMI Design

Information Architecture

Interaction Design

Prototyping

Year

2025

The Challenge

Problem
Statement

Traditional automotive dashboards suffer from information overload, poor prioritisation of critical data, lack of contextual adaptability, and a fragmented user experience across driving modes. The core design challenge was to build a system that prioritises, adapts, and communicates information intuitively based on driving context.

"From data to driving experience — we design interfaces that feel natural, predictive, and human."

Information overload

Poor data prioritisation

No contextual adaptability

Fragmented UX across modes

Design Principles

Three pillars of the design

Focused

Navigation-first design with a clear visual hierarchy. Speed anchored permanently at centre. Every other element earns its place.

Dynamic

Adapts in real-time to driving context and conditions. 14 display modes, 4 trigger types, automatic mode transitions based on vehicle state.

Intuitive

Information appears exactly when needed, reducing cognitive load. Critical alerts cannot be dismissed. Passive information never competes.

Process

How we approached it

01

Research &
Benchmarking

Cross-category inspiration drawing from automotive and consumer tech. We studied cluster systems across Hyundai Creta, Tata Sierra, and Renault Duster to understand where the industry stood — and where it needed to go.

Benchmark cluster displays — Hyundai Creta, Tata Sierra, Renault Duster

Hyundai Creta · Tata Sierra · Renault Duster — benchmark analysis

02

Information
Architecture

A five-zone cluster layout with 14 display modes, structured around a Time-to-React model — ensuring the most critical information is always closest to the driver's focus.

T1 — Immediate

Collision, over-speed, system fault. < 0.3s · Dead centre.

T2 — Tactical

Navigation, lane assist. 1–5s · Central canvas.

T3 — Strategic

Efficiency, trip totals. > 10s · Left & right dials.

T4 — Background

Clock, temperature, media. When convenient.

HMI Information Architecture — Time-to-React Model

Cluster IA · Time-to-React Model · Mode Intelligence Map

Five-Zone Cluster Layout

Status

Time

ADAS

Media

Temp

Left Dial

ECO

78%

Efficiency

Central Zone — Always On

72

km/h — permanent anchor

Right Dial

560

km

Range

Rail

Range

Gear

ODO

Mode

03

Wireframes

Translating the IA into clear, glanceable layouts. Four directions were explored in parallel before converging on a centre-weighted hierarchy that balanced the familiar with the futuristic.

Central Focus (speed-first)

Dual Dial (familiar structure)

Navigation-led (route priority)

Modular Widgets (adaptive UI)

HMI Wireframes

Wireframe exploration — Map Full Focus · Trip View · Hybrid Flow · Night Focus · Sport Performance

07. Map Full Focus

10:30 AM 24°C

ECO

78%

READY

→ 300m

Outer Ring Road

2.4 km · 4 min

72

km/h

COMFORT

D

ODO 15236

RANGE

560km

FULL

560 km

300m Outer Ring

|↑|

LKA Active

🚗

100 km/h Set

80

Speed Limit

Balance of familiar + futuristic · Scalable across all 14 modes

04

Interaction
Design

Four trigger types govern how the cluster moves between modes. Safety overrides can never be dismissed by the driver until the condition clears.

Manual

Steering-wheel toggle · Cycles baseline modes · Driver is always in control · Single press returns to prior manual mode

Contextual Auto

Vehicle state changes trigger mode — Sport on → Sport Performance · Dusk → Night Focus · Climate on → Media Priority

Route Auto

Destination set → Navigation · Manoeuvre < 500m → Turn Alert · Driver can dismiss Turn Alert; Nav persists until arrival

Safety Override

Active alert → Zone ③ replaced by amber/red alert card · Haptic on wheel · Cannot be dismissed until condition clears

05 — 06

Prototyping &
Validation

Clickable real-time simulations across all 14 modes. Validated for usability and engineering feasibility — including degraded states.

Speed glanceable at dead centre in 0.3s

Safety alerts non-dismissable

Manual override always available

Degraded states amber-flagged (GPS fail, ADAS fault, low fuel)

Mode Precedence Stack — Highest to Lowest Priority

1

Safety Override

2

Safety Context

3

Route Alert

4

Active Navigation

5

Drive-mode Context

6

Environment

7

Media Context

8

Driver Manual

9

Default Baseline

Final Design

Atomic Flow — the UI system

14 fully resolved display modes. Each with a single driving intent, activation context, and a complete P1/P2/P3 information hierarchy.

Map Full Focus
1

Map Full Focus

Navigation-led layout. Full-width map in the central zone, speed anchored, eco score and range visible at a glance.

Comfort Calm
2

Comfort Calm

Ambient scenic backdrop, soft UI palette. Eco score, seat comfort, and drive mode surfaced — nothing to stress the driver.

Sport Performance
3

Sport Performance

Red-accented, tachometer-forward. G-force, power output, and track data elevated. The cluster transforms to match the drive.

All 14 Atomic Flow display modes

All 14 Display Modes

ATOMIC FLOW · 2025

Deliverables

Deliverables

  • 5-zone cluster information architecture
  • 14 display mode catalogue
  • Time-to-React model (4 tiers)
  • Mode intelligence map with trigger logic
  • Full wireframe set across all modes
  • High-fidelity UI system — 'Atomic Flow'
  • Interactive prototype & state diagrams

Outcome

The result

A validated, scalable HMI system with 14 distinct display modes and a clear mode intelligence framework. The 'Atomic Flow' UI language established a design vocabulary that is modular enough to adapt across different vehicle platforms while maintaining a consistent driver experience.

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