You must keep your hands on the steering wheel at all times.
When the system is active and detects no steering activity for a period of time, the system alerts you to put your hands on the steering wheel. If you do not react to the warnings the system cancels and slows your vehicle down to idle speeds while maintaining steering control.
The system also alerts you if your vehicle crosses lane markings without detected steering activity.
Note:
The system could detect a light grip or touch on the steering wheel as hands-off driving.
When the system cancels due to an external condition, for example, no lane markings are available and your hands are not on the steering wheel, the system immediately alerts you to take control of the vehicle. If you ignore this alert, the system slows the vehicle while maintaining steering control.