Rearview Mirror Replacement

Turn the rearview mirror base (A) 90°.

Fig 1: Identifying Rearview Mirror Base
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Slide the rearview mirror (A) down toward the bottom of the windshield to detach it from the spring (B) in the mount (C).

Fig 2: Identifying Rearview Mirror, Spring And Mount
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Install the rearview mirror in the reverse order of removal.