setTau(string, double) -> None

        Sets the driver's tau-parameter (reaction time or anticipation time depending on the car-following model) in s for this vehicle.

def setTau(self, vehID, tau):
        """setTau(string, double) -> None

        Sets the driver's tau-parameter (reaction time or anticipation time depending on the car-following model) in s for this vehicle.
        """
        self._connection._sendDoubleCmd(
            tc.CMD_SET_VEHICLE_VARIABLE, tc.VAR_TAU, vehID, tau)