Assistance device for a vehicle driver of autonomous driving for the time management tasks

A device (DA) is used for assisting the driver of a vehicle (V) in autonomous driving and comprising equipment that can perform tasks and a screen (EA1) displaying information representative of the completion of a current task and / or a result of a current task. The device (DA) comprises analysis means (MAN) adapted to estimate the total time of a task or a driving phase, and, when this task or control phase is started, estimating the remaining time before schedule estimated end of the task or control phase and then to activate the on-screen display (EA1) of an embodiment of the remaining time in addition to the corresponding information, while when this task or phase driving must begin at an estimated moment to trigger the display on the screen (EA1) of information representative of this task or driving phase scheduled and the time remaining before the time estimated.