FIG. 1 is a perspective view of a car headlight in accordance with the present design; FIG. 2 is a front view of the car headlight; FIG. 3 is a rear view of the car headlight; FIG. 4 is a left side view of the car headlight; FIG. 5 is a right side view of the car headlight; FIG. 6 is a top plan view of the car headlight; and, FIG. 7 is a bottom plan view of the car headlight.