What does green engine light mean on Freightliner Cascadia?
What does green engine light mean on Freightliner Cascadia? All it means is that the jake brake has been enabled. The light will go off when you step on the accelerator again. What does a green light on a semi mean? This light is to inform surrounding vehicles that the speed of the truck running from the front, and it raised the attention to the truck for safety reasons. As seen from oncoming vehicle side, it lights in the order of 1) the right, 2) the left, and 3) the middle light. Is there check engine and engine protect on...