Honda GOLDWING GL1800/A 2015 Owner's Manual page 22

Flashes when either turn signal operates.
Lights when the reverse system is engaged.
Lights when the transmission is in neutral.
Lights when the transmission is in overdrive (5th gear).
Lights when engine oil pressure is low enough to cause engine damage. If the
low oil pressure indicator lights during operation, pull safely to the side of the
road. See page 243
turn signal indicator (green)
reverse system indicator (amber)
neutral indicator (green)
overdrive indicator (amber)
low oil pressure indicator (red)
for instructions and cautions. Lamp Check.
Gauges & Indicators
Instruments & Controls
17