My 2017 is a bit low on AF. It takes the yellow VCS. I thought since I'm buying a jug, I might as well drain and refill as it hasn't been done since new. Is it really necessary to drain from three different locations? Is there space for a tray or do I let it run into the bilge and collect from the drain? Is there a bleed procedure after adding new or do you just fill to max, run a few minutes, then top up? Does anyone have part numbers for the o-rings? All I can find is this which shows a drain location on the belt side while mentioning two others not shown,
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