The ornamental design for a wirelesscharger for a car, as shown and described.
FIG. 1 is a front perspective view of a wireless charger for a car showing my design.
FIG. 2 is a bottom rear perspective view of the wireless charger for a car.
FIG. 3 is a front elevation view thereof.
FIG. 4 is a rear elevation view thereof.
FIG. 5 is a left side elevation view thereof.
FIG. 6 is a right side elevation view thereof.
FIG. 7 is a top plan view thereof.
FIG. 8 is a bottom plan view thereof.
FIG. 9 is an exploded front perspective view thereof; and,
FIG. 10 is a front perspective view thereof, shown in an environment of use.
The broken lines shown in the drawings are for the purpose of illustrating environmental structure and portions of the wireless charger for a car which form no part of the claimed design.