honda manuel transmissions check for a fill plug on passenger side back-top-above axle should have 17mm wrench head , if not found remove speedo top-back will have connector squeeze ends and pull by connector not wires remove 10mm bolt twist and slide up , check for a minxxxxmax fluid level be sure to check fluid level on flat level area flase readings if not and check owners manuel for correct fluid viscoity rating. DO NOT DRAIN TRANSMISSION FIRST ALSWAYS WAIT UNTIL YOU HAVE REMOVED THE FILL PLUG!!!!!!