You must yield the right-of-way to police cars or emergency vehicles which are sounding a siren or flashing a red light by
A
pulling to the right edge of the roadway and stopping
Explaination
You must yield the right-of-way to police cars, fire trucks, ambulances, and other emergency vehicles which are sounding a siren or bell or flashing a red light by pulling to the right edge of the roadway and stopping.