Segway Villain SX10 Owner's Manual page 6

The meaning of these signs：
WARNING indicates a hazardous situation which, if not avoided,
COULD result in death or serious injury.
CAUTION indicates a hazardous situation which, if not avoided,
COULD result in minor to moderate injury.
NOTICE provides key information by clarifying instructions.
IMPORTANT provides key reminders during disassembly,
assembly, and inspection of components.
The Prohibition
Safety Sign
indicates an
action NOT to
take in order to
avoid a hazard.
WARNING
!
CAUTION
!
NOTICE
IMPORTANT
The Mandatory
Action Sign
indicates an action
that NEEDS to be
taken to avoid a
hazard.