The ornamental design for an electronicstoragebox for vehicles, as shown and described.
FIG. 1 is a rear perspective view of the electronic storage box showing my new design;
FIG. 2 is a front perspective view of FIG. 1 in a closed configuration with its tray up;
FIG. 3 is a front perspective view of FIG. 1 in an open configuration with its tray down;
FIG. 4 is a rear view thereof;
FIG. 5 is a front view thereof;
FIG. 6 is a top view thereof;
FIG. 7 is a bottom view thereof; and,
FIG. 8 is a right side view thereof; the left side view being a mirror image thereof.
The ornamental design which is claimed is shown in the solid lines in the drawings. The broken lines shown in the drawings are for the purpose of illustrating environmental structure and form no part of the claimed design.