1999 Honda Odyssey Owner's Manual - Page 244

Automatic Transmission Fluid DIPSTICK UPPER MARK LOWER MARK DIPSTICK Premium Formula Automatic Transmission Fluid (ATF). If it is not available, you may use a DEXRON® III automatic transmission fluid as a temporary replacement. However, continued use can affect shift quality. Have the transmission drained and refilled with Honda ATF as soon as it is convenient. 6. Insert the dipstick all the way back into the transmission. Check the fluid level with the engine at normal operating temperature. 1. Park the vehicle on level ground. Shut off the engine. 2. Remove the dipstick (yellow loop) from the transmission and wipe it with a clean cloth. 3. Insert the dipstick all the way into the transmission. 4. Remove the dipstick and check the fluid level. It should be between the upper and lower marks. 5. If the level is below the lower mark, add fluid to bring it to the upper mark. Remove the fill plug to add fluid. Always use Honda The transmission should be drained and refilled with new fluid according to the time and distance recommendations in the maintenance schedule. If you are not sure how to add fluid, contact your Honda dealer. Maintenance