If you're going to the trouble to mount a light bar, you should at least take advantage of the horizontal space to do the running sequence from right to left that says in universal language "go the fark around".

you know

. . . . X
. . . X X
. . X X X
. X X X X
X X X X X

. . . . X
. . . X X
. . X X X
. X X X X
X X X X X