Change oil light on Honda cbr 600 RR?

I have question just recently I noticed that when ever I turn the key on when all the lights Check engine and change oil ect come on the change oil one stays on and doesn't go off but when ever I start it up it goes away I figured I need an oil change but the guy at Firestone said if it did the light would be on while riding I was still concerned so I called my buddy who knows a lot about street bikes and he said it probably doesn't show while riding because the bulb for the light is weak does anybody have a general idea of what it could mean?

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