The ornamental design for an exteriorrearviewmirror, as shown and described.
FIG. 1 is a perspective view of an exterior rearview mirror showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof;
FIG. 8 is an enlarged view of the indicated portion in FIG. 2 with a pattern for warning light;
FIG. 9 is an enlarged view of the indicated portion in FIG. 2 with another pattern for warning light;
FIG. 10 is an enlarged view of the indicated portion in FIG. 2 with another pattern for warning light;
FIG. 11 is an enlarged view of the indicated portion in FIG. 2 with another pattern for warning light; and,
FIG. 12 is an enlarged view of the indicated portion in FIG. 2 with another pattern for warning light.
The dashed broken lines in FIGS. 1, 3-7 illustrate portions of the article that form no part of the claimed design. The dashed broken lines in FIGS. 8-12 illustrate the patterns for warning light that form no part of the claimed design.