my maitnence required light is on. I think its becasue all the freon leaked out becasue of a hose leak that i am getting fixed tommorow. could no freon pressure be why? or what are some other common reas0on for the maint required light to be on. the engine runs good and smooth and has no changes in performance. any help? thanks. p.s. this is a 99 accord ex. -mike