A method comprising: at a device with one or more processors, non-transitory memory, and a display: while the device is in communication with an alert system integrated into a vehicle, the operation of the vehicle being at least partially automated, displaying, on the display, a user interface that is unrelated to operating the vehicle, wherein the device is a handheld device that is separate from the vehicle; characterised in that : while displaying the user interface on the display, receiving, from the alert system integrated into the vehicle, an alert indication that a driver's attention is needed for operating the vehicle and that the vehicle will decrease the respective degree of autonomous control; and in response to receiving the alert indication: disabling at least a portion of the displayed user interface; and displaying, on the display, a take-control indication that the driver's attention is needed for operating the vehicle and that the vehicle decrease the respective degree of autonomous control. at a device with one or more processors, non-transitory memory, and a display: while the device is in communication with an alert system integrated into a vehicle, the operation of the vehicle being at least partially automated, displaying, on the display, a user interface that is unrelated to operating the vehicle, wherein the device is a handheld device that is separate from the vehicle; characterised in that : while displaying the user interface on the display, receiving, from the alert system integrated into the vehicle, an alert indication that a driver's attention is needed for operating the vehicle and that the vehicle will decrease the respective degree of autonomous control; and in response to receiving the alert indication: disabling at least a portion of the displayed user interface; and displaying, on the display, a take-control indication that the driver's attention is needed for operating the vehicle and that the vehicle decrease the respective degree of autonomous control. while the device is in communication with an alert system integrated into a vehicle, the operation of the vehicle being at least partially automated, displaying, on the display, a user interface that is unrelated to operating the vehicle, wherein the device is a handheld device that is separate from the vehicle; characterised in that : while displaying the user interface on the display, receiving, from the alert system integrated into the vehicle, an alert indication that a driver's attention is needed for operating the vehicle and that the vehicle will decrease the respective degree of autonomous control; and in response to receiving the alert indication: disabling at least a portion of the displayed user interface; and displaying, on the display, a take-control indication that the driver's attention is needed for operating the vehicle and that the vehicle decrease the respective degree of autonomous control. while displaying the user interface on the display, receiving, from the alert system integrated into the vehicle, an alert indication that a driver's attention is needed for operating the vehicle and that the vehicle will decrease the respective degree of autonomous control; and in response to receiving the alert indication: disabling at least a portion of the displayed user interface; and displaying, on the display, a take-control indication that the driver's attention is needed for operating the vehicle and that the vehicle decrease the respective degree of autonomous control. disabling at least a portion of the displayed user interface; and displaying, on the display, a take-control indication that the driver's attention is needed for operating the vehicle and that the vehicle decrease the respective degree of autonomous control. <EOS>