Invest and save - don't put more money into an asset which looses value every day!!!!
The only circumstance would indeed be if your investments actually provide you will less return than the interest on the note (which you indicated is not the case).
2016 435 xdrive GC white on black leather interior, Msport1, Msport2, premium package
2015 Lincoln MKX, silver on brown leather, premium package - that's right! Techno-Groovy baby