What is the CHECK light ? not Check engine light ?

on 1999 Acura TL

I have looked in the 1999 owners manual and there is NO mention of the CHECK light

CEL_Amber.jpg

got a p1259 code where is this located on the vehicle ?

Thank you

Get Your Car Fixed at a RepairPal Certified Shop.
We certify shops based on expertise, quality work, and verified customer reviews
1 answer
Have you looked in the section that mentions 'emissions' or 'malfunction indicator lamp' maybe? Warning lights.