1999 Lexus LS 400 Owners Manual - Page 436

CHASSIS 63L003b " 1 If cold O.K. 2 If hot O.K. 3 Add fluid 1. Clean all dirt off the reservoir. 2. Remove the filler cap by turning it counterclockwise and wipe the dipstick clean. 3. Reinstall the filler cap. 4. Remove the filler cap again and look at the fluid level. If the fluid is cold, the level should be in the "COLD" range on the dipstick. Similarly, if it is hot, the fluid level should be in the "HOT" range. If the level is at the low side of either range, add automatic transmission fluid DEXRON¡II or III to bring the level within the range. 5. After replacing the filler cap, visually check the steering box case, vane pump and hose connections for leaks or damage. 420