An ornamentaldesign for a vehicle lower grille, as shown and described.
FIG. 1 is a top plan view of a vehicle lower grille;
FIG. 2 is a bottom plan view of the vehicle lower grille;
FIG. 3 is a front elevational view of the vehicle lower grille;
FIG. 4 is a left side elevational view of the vehicle lower grille;
FIG. 5 is a right side elevational view of the vehicle lower grille; and,
FIG. 6 is a perspective view of the vehicle lower grille.
The broken lines and surface members shown in faded lighter tones and enclosed in broken lines are for illustrative purpose only and form no part of the claimed design.