2012 Acura RDX Owner's Manual - Page 434

Automatic Transmission Fluid Always use Acura ATF DW-1 (automatic transmission fluid). HOT MARK UPPER MARK LOWER MARK FILL PLUG 3. Insert the dipstick all the way into the transmission securely as shown in the illustration. 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, remove the fill plug, then add the fluid into the fill hole to bring it to the level between the upper and lower marks on the dipstick. Pour the fluid slowly and carefully so you do not spill any. Clean up any spills immediately; it could damage components in the engine compartment. Use only Acura ATF DW-1 (automatic transmission fluid). Do not mix with other transmission fluids. Using transmission fluid other than Acura ATF DW-1 may cause deterioration in transmission operation and durability, and could result in damage to the transmission. Damage resulting from the use of transmission fluid other than Acura ATF DW-1 is not covered by the Acura new vehicle warranty. 6. Insert the dipstick all the way back into the transmission securely as shown in the illustration. If you are not sure how to add fluid, contact your dealer. 428