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[WAT]

What's this thing with the yellow knob? The writing's in German & it's leaking on my friend's car. I told him it's the bumper fluid, but he thinks it's blinker fluid.

Is it ok to drive?

[Zerb]

Originally Posted by WAT

What's this thing with the yellow knob? The writing's in German & it's leaking on my friend's car. I told him it's the bumper fluid, but he thinks it's blinker fluid.

Is it ok to drive?

That is the Brake Fluid Reservoir - DOT 4 Fluid