The ornamental design of a vehicletaillight, as shown in the figures and described.
FIG. 1 is a rear view of a vehicle tail light illustrating the design of the present invention;
FIG. 2 is a left-side view of the vehicle tail light of FIG. 1;
FIG. 3 is a front perspective view of the vehicle tail light of FIG. 1;
FIG. 4 is a front view of the vehicle tail light of FIG. 1;
FIG. 5 is a right-side view of the vehicle tail light of FIG. 1;
FIG. 6 is a top view of the vehicle tail light of FIG. 1; and,
FIG. 7 is a bottom view of the vehicle tail light of FIG. 1.
In the figures, shading represents contour and not any particular color. Structure and elements that are not part of the claimed design are represented in the figures by broken lines.