The ornamental design for a lighted vehicle gear-shift knob, as shown and described.
FIG. 1 is a perspective view of a lighted vehicle gear-shift knob showing may new design. The gear shift lever is shown in broken lines for illustrative purposes only and forms no part of the claimed design;
FIG. 2 is a front elevational view thereof, the rear side, left side and right side being a mirror image thereof;