Wifes Spark has Maintenance Required in display. Came on at 50 hours. Having trouble with my service manual, any ideas what this is and how to reset it?

Hello. Earlier this evening, I was checking out my new '17 Spark 900HO 3-seater when I noticed that it has just one drain plug. There is another "tube" on the other side of the nozzle that looks like it should have one, too, but it doesn't. Did I lose a plug, or is there only supposed to be...

There has been some discussion of whether towing a tube or wakeboard behind the Spark is possible (which it is), what the legality of that is, and tips on how to do it best. I did a little research and here is what I found. So my first order of business was to figure out if it was even...

Manual has no info on do it yourself oil change. Can oil be changed without removing upper body? The manual says first change at 50 hours. I don't want to wait that long. What about pumping out from fill and replacing oil but waiting until 50 hours for filter and oil?

Anybody install any kind of speakers on there spark that you can use through your phone or iPod if so pics please