Hello all, newbie member and owner with a quick question..

I noticed this plastic tube hanging down behind my front driver's side tire and am curious what it is for. I can't see anything obvious that it attaches to, and when I follow it up it seems to be coming from somewhere underneathe where the battery is mounted. Any help is greatly appreciated, thanks in advance!

Link: View image: IMG 20140705 00276

 

vent tube for the battery tray

 

Awesome, thanks so much. So it's all good?