2009 Lexus SC 430 Owners Manual - Page 228

4-3. Do-it-yourself maintenance Power steering fluid n Fluid level The fluid level should be within the appropriate range. 1 2 3 4 Full line when hot. Add fluid if at or below line when hot. Full line when cold Add fluid if at or below line when cold. Hot : If the vehicle has been driven around 50 mph (80 km/h) for 20 minutes (slightly longer in frigid temperatures), the fluid is hot (140°F 175°F or 60°C - 80°C). Cold: If the engine has not been run for about five hours, the fluid is cold. (about room temperature, 50°F - 85°F or 10°C - 30°C). n Checking the fluid level Make sure to check the fluid type and prepare the necessary items before checking. Fluid type Items Automatic transmission fluid DEXRON® II or III Rag or paper towel and funnel (only for adding fluid) Clean all dirt off the reservoir. Remove the reservoir cap by turning it counterclockwise and wipe the dipstick clean. Reinstall the reservoir cap. Remove the reservoir cap again and look at the fluid level. 232