The ornamental design for an instrumentpanel for an automobile, as shown and described.
FIG. 1 is a right-front, perspective view of a console for an automobile of our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a top view thereof;
FIG. 4 is a bottom view thereof;
FIG. 5 is a left-side view thereof, and,
FIG. 6 is a right-side view thereof.
The rear of the console is not seen during ordinary use and forms no part of the claimed design. Our design includes the mirror image of the embodiment depicted.