Toyota 2011 Tundra, Owner'S Manual, Page: 563 / 753

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4-3. Do-it-yourself maintenance
Power steering fluid
n
Fluid level
The fluid level should be within the appropriate range.
Full (when cold)
Add fluid (when cold)
Full (when hot)
Add fluid (when hot)
Hot: Vehicle has been driven around 50 mph (80 km/h) for 20
minutes, or slightly longer in frigid temperatures. (Fluid
temperature, 140°F - 175°F [60°C - 80°C])
Cold: Engine has not been run for about 5 hours. (Room tem-
perature, 50°F - 85°F [10°C - 30°C])
n Checking the fluid level
Make sure to check the fluid type and prepare the necessary items.
Clean all dirt off the reservoir.
Remove the cap by turning it counterclockwise.
Wipe the dipstick clean.
Reinstall and remove the reservoir cap again.
Check the fluid level.
Fluid type Automatic transmission fluid DEXRON
®
II or III
Items Rag or paper towel
CAUTION
n Checking the fluid level
Take care, as the reservoir may be hot.