2009 Acura MDX Owner's Manual - Page 403

Main Menu Table Of Contents Automatic Transmission Fluid The transmission should be drained and refilled with new fluid when this service is shown on a maintenance message in the multi-information display. Check the fluid level with the engine at normal operating temperature. 1. Park the vehicle on level ground. Start the engine, let it run until the radiator fan comes on, then shut off the engine. For accurate results, wait about 60 seconds (but no longer than 90 seconds) before doing step 2. DIPSTICK UPPER MARK LOWER MARK DIPSTICK 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 securely as shown in the illustration. 4. Remove the dipstick and check the fluid level. It should be between the upper and lower marks. Maintenance CONTINUED 2009 MDX 399