You don't HAVE to touch the coolant if you don't want to. And actually if you add coolant it will be the same because coolant is just the general term, now I think you meant don't just add antifreeze.
98.5 SVT
91 Escort GT (almost sold)
96 ATX Zetec (i brake to watch you swerve)
FS: SVT rear sway bar
WTB: Very cheap beater
CEG Dragon Run - October 13-15