The ornamental design for a carinteriorbarrier, as shown and described.
FIG. 1 is a left-perspective view of a car interior barrier in a deployed configuration, showing my new design;
FIG. 2 is a front view of a car interior barrier in an undeployed configuration;
FIG. 3 is a rear view thereof;
FIG. 4 is a right-side view thereof;
FIG. 5 is a left-side view thereof;
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.
The broken lines depicting hooks illustrate portions of the car interior barrier that form no part of the claimed design. The broken lines on the straps of the car interior barrier depict stitching which forms no part of the claimed design. The broken lines showing a vehicle interior, in FIG. 1, depict environmental structure that forms no part of the claimed design.