Yamaha BIG BEAR 400 Owner's Manual page 87

When riding in an area where you might not
easily be seen, such as desert terrain, mount
a caution flag on the ATV. DO NOT use the
flag pole bracket as a trailer hitch.
WARNING
POTENTIAL HAZARD
Operating in areas where you might not
be seen by other off-road vehicles.
WHAT CAN HAPPEN
You could be in a collision. You could
be injured.
HOW TO AVOID THE HAZARD
Always mount a caution flag on the ATV
to make you more visible. Watch care-
fully for other vehicles.
Do not ride in areas posted "no trespassing".
Do not ride on private property without getting
permission.
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