1993 Honda Civic Owner's Manual - Page 120
1993 Honda Civic Manual
Page 120 highlights
Transmission Oil Automatic Transmission DIPSTICK 5. If the level is below the lower mark, add fluid into the tube to bring it to the upper mark. Use Honda Premium Formula Automatic Transmission Fluid ® or an equivalent DEXRON II Automatic Transmission Fluid (ATF) only. 6. Insert the dipstick all the way back in the transmission. UPPER MARK LOWER MARK Check the fluid level with the engine at normal operating temperature. 1. Park the car 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 into the transmission. 4. Remove the dipstick and check the fluid level. It should be between the upper and lower marks. The transmission should be drained and refilled with new fluid every 24 months or 30,000 miles (48,000 km), whichever comes first. Maintenance