Hands On History - Motor Vehicle Hand Signals

Vehicle Hand Signals
From TM 10-460 Driver's Manual
May 6, 1942

Extend left arm at an
angle of 45 degrees
above horizontal

Extend left arm
straight out.

Extend left arm at an
angle of 45 degrees
below horizontal.

PASSING

Sound your horn before passing another vehicle except when darkness makes it possible to warn by flicking your headlight beams.