This morning, I was driving along a road that had one lane going each way. There was no shoulder; to my right was just a field. Up ahead, there was an emergency vehicle coming toward me.
Pull over to the right edge, stop, and wait until the emergency vehicle has passed. Do it safely.
[...] the driver of every other vehicle shall yield the right-of-way and shall immediately drive to the right-hand edge or curb of the highway, clear of any intersection, and thereupon shall stop and remain stopped until the authorized emergency vehicle has passed.
The provisions of Section 21806 shall not operate to relieve the driver of an authorized emergency vehicle from the duty to drive with due regard for the safety of all persons and property.