Honda GOLDWING GL1800/A 2015 Owner's Manual page 80

Riding in Reverse
7. Release the start/reverse button, and the motorcycle will stop.
8. After your motorcycle is stopped, push the RVS switch to OFF. Make sure the
reverse gear indicator goes off and the neutral indicator comes on.
To avoid damaging the reverse system, do not engage or disengage reverse when
the motorcycle is moving.
If the reverse switch is in the ON position with the engine off, the engine cannot
be started.
Reverse System Overload
The reverse system is designed to move the motorcycle at a constant slow speed.
If the motorcycle begins moving slower or faster than this speed, because of
obstacles or a steep pavement angle, the system will shut off and the reverse
system indicator will turn OFF.
To resume reverse operation or normal forward operation, push the RVS switch
to the OFF position and carefully roll the motorcycle to a more level,
unobstructed surface, then start again.
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Basic Operation & Riding