An interior rearview mirror assembly for a vehicle includes a mirror casing, a mirror reflective element disposed at the mirror casing, and an indicator disposed at the mirror reflective element. The mirror reflective element and mirror casing are adjustably mounted at an interior portion of a vehicle via a mounting structure. The indicator includes a plurality of light emitting diodes, with each light emitting diode of the plurality of light emitting diodes being individually operated to emit light of a particular color. Responsive to one of a plurality of triggers, the indicator electrically powers a particular one or particular ones of the light emitting diodes for that trigger. The indicator electrically powers the particular one or ones of the light emitting diodes to emit light of one or more colors to convey colored information associated with that trigger to a driver of the vehicle.