In_Vehicle_UXIn Vehicle UX

In-Vehicle UX

Best Practices for Implementing Traffic Jam Assist and Adaptive Cruise Control Features

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Report Summary:

Strategy Analytics conducted an expert evaluation of adaptive cruise control and traffic jam assist features in several 2015 model-year vehicles in order to construct a series of UX and HMI-focused best practices for these systems.  When all subsystems controlling speed and steering operate as expected, the semi-automated driving modes function smoothly and comfortably.  However, in all systems a notification is not reliably provided when a subsystem fails.  Recommendations include clear indication of system state at all times, clear control labeling, and avoidance of excessive warnings.

Table of Contents

1  Executive Summary
2  Introduction and Methodology
3  BMW i3
     3.1  HMI
     3.2  Assessment
4  Mercedes S-Class
     4.1  HMI
     4.2  Assessment
5  Volkswagen Passat
     5.1  HMI
     5.2  Assessment
6  Recommendations
     6.1  Labeling
     6.2  Notifications
     6.3  Attention Warnings
     6.4  Displays
     6.5  Driver Intervention
7  Conclusions
8  Analyst Contacts

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