This is on an R Nine T. To my knowledge it’s pointing to some kind of a light malfunction.
It’s come on in the past due to the headlight low-beam being out. Easy fix.
But now, all the lights are working. Head light high beam and low-beam, turn signals (left and right) front and back, tail light, brake light, and license plate light. Even the gauge lights are good. Am I missing any?
I think it’s about time to change the battery. But even with the battery tender on, and at full charge, as soon as I turn the key on, the warning light comes on.