2010 Acura TL Owner's Manual - Page 519

Transmission Fluid 5. If the level is below the lower mark, add fluid into the filler hole to bring it to the level between the upper and lower marks. 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 indicated by a maintenance message on the multi-information display. If you are not sure how to check and add fluid, contact your dealer. 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. 516 2010 TL