Abs Indicator Light - Honda GOLDWING GL1800/A 2015 Owner's Manual

Braking
It is important to follow the tire recommendations (see page 207). The ABS
computer works by comparing wheel speed.
Non-recommended tires can affect wheel speed and may confuse the ABS
computer.
ABS does not function at very low speeds (approximately 5 mph (8 km/h) or
below).
ABS does not function if the battery is discharged.

ABS Indicator Light

(Models equipped with ABS)
Normally, this light comes on when the ignition is turned ON and goes off after
starting to ride. If there is an ABS problem, the indicator light comes on and
remains on or blinks. The ABS system does not operate when the ABS indicator
light is on or blinking.
ABS indicator light
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Basic Operation & Riding