2010 Acura RL Owner's Manual - Page 462

Automatic Transmission Fluid Pour the fluid slowly and carefully so you do not spill any. Clean up any spill immediately; it could damage components in the engine compartment. Always use Acura ATF-Z1 (automatic transmission fluid). 6. Insert the dipstick all the way back into the transmission securely as shown in the illustration. The transmission should be drained and refilled with new fluid when this service is shown by a maintenance message on the multi-information display. If you are not sure how to add fluid, contact your dealer. Maintenance UPPER MARK LOWER MARK 3. Insert the dipstick all the way into the transmission as shown. 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 into the dipstick hole to bring it to the level between the upper and lower marks. Use only Acura ATF-Z1 (automatic transmission f luid). Do not mix with other transmission f luids. Using transmission f luid other than Acura ATF-Z1 may cause deterioration in transmission operation and durability, and could result in damage to the transmission. Damage resulting f rom the use of transmission f luid other than Acura ATF-Z1 is not covered by the Acura new vehicle warranty. 459 2010 RL