A safety accessory for mounting on a vehicle comprises a housing having a front side and a back side, and a laterally extending mounting portion for connecting to the vehicle, a mirror mounted on the front side, and a bulb assembly within the housing facing the back side. The bulb assembly comprises a plurality of white, amber and red light sources, and a control circuit connected between light sources and a plurality of inputs. The control circuit causes the white light sources to be on when power is received at a first input, the amber light sources to flash in a standard flash pattern when power is received at a second input, the red light sources to flash in the standard pattern when power is received at a third input, and the amber light sources to flash in an emergency strobe pattern when power is received at a fourth input.