Assembly including a vehicle equipment designed to detachably hold an electrically powered electronic appliance (3) provided with a display screen (5) and manually activatable function keys (7), is characterized in that the equipment has a cavity (11) in which the appliance (3) is held and which for that purpose is open at the front where the cavity (11) is bordered by a part (13a) made of soft material connected to a plate (15) mounted so that it can rotate about an axis (15a) that is transverse to the back of the cavity (11), the appliance (3) being pressed up behind and/or against this part made of soft material (13a) under the effect of first and second thrusting elements.