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The 2018 Lexus ES350 features a 6-speed automatic transmission that requires Dexron VI ATF fluid. You'll need 3 quarts for an initial fill or 6.9 quarts for a full fill. This hydraulic fluid aids in shifting gears, cooling the transmission, and lubricating its components. It's important to change the fluid every 30,000 miles to maintain optimal performance. When checking or adding fluid, clean the cap to prevent contamination. Signs of low or deteriorating fluid include strange noises, a burning smell, or slipping gears.
The transmission in the Lexus ES350 requires DEXRON-VI automatic transmission fluid, identified by Part Number Cq426.