Unlike the elusive and oft-memed blinker fluid ... red. DOT 4, which is a longer-lasting variety, is available in a yellow or deep red color. Available for more niche applications, DOT 5 and ...

DOT 5 Brake fluid: Comes in Purple shades ... Take it to an auto mechanic to replace your brake fluid if the strip's color falls in the “required service” category. My brake fluid read ...