You are driving on the motorway in a motor vehicle with a gross vehicle weight rating in excess of 7.5 t. The heavy snowfall has reduced visibility to less than 50 m. What must you do?

You are driving on the motorway in a motor vehicle with a gross vehicle weight rating in excess of 7.5 t. The heavy snowfall has reduced visibility to less than 50 m. What must you do? Practice this and other German driving theory questions for your driving license.