According to the traffic rules you must give free passage, and stop if necessary for:

Emergency vehicles with flashing blue lights

Trams and trains

Pedestrians in groups under the supervision of a leader, processions, funeral processions, convoys of military vehicles or convoys of civil defence vehicles

You are not required to give free passage to emergency vehicles without flashing blue lights or sirens. You must give way to buses at bus stops if the speed limit is 60 km/h or lower, but you do not have a duty to give free passage. You are not required to give free passage to emergency vehicles without flashing blue lights or sirens. You must give way to buses at bus stops if the speed limit is 60 km/h or lower, but you do not have a duty to give free passage.