1. A vehicle system configured to increase at least one of safety and comfort during autonomous driving of a host vehicle, the vehicle system comprising: an autonomous drive arrangement comprising a plurality of sensors configured to monitor at least one of a vehicle surrounding and a vehicle communication system status, a processing unit, and a control arrangement configured to control steering and velocity of the host vehicle based on information received from the sensors; wherein the vehicle system is configured to determine, by the processing unit, at least one of an estimated probability that at least one sensor will become unavailable, and an estimated time or distance ahead until at least one sensor is determined to become unavailable, the determination being based on a detected host vehicle condition or a detected host vehicle surrounding condition, by at least one of the plurality of sensors; wherein the vehicle system further is configured to activate, by the autonomous drive arrangement, at least one first countermeasure based on at least one of the estimated probability, the estimated time and the estimated distance.