Improving Usefulness of Automated Driving by Lowering Primary Task Interference through HMI Design

Table 1

Auditory HMI speech output for system manoeuvres (translated from German into English).

Situation	Wording
Speed limit	“Speed limit ahead. Adjusting speed.”
Avoiding	“Obstacle ahead. Adjusting lane position to avoid.”
Lane change	“Intersection ahead. Changing lane and following navigation.”