Monitoring of blind zones is unobtrusive — the bulbs on the racks do not blink, but wink, if I may say so. The level of fatigue of the driver XC60 determines by the indications of the position sensors of the steering wheel and the gas pedal, but we are not well familiar so that Volvo can determine my habits. But behind the signs of speed restrictions he watched properly, recalling me a signal to return to the corridor limited by the rules.