2009 Toyota Sienna Owners Manual - Page 474
2009 Toyota Sienna Manual
Page 474 highlights
4-3. Do-it-yourself maintenance CAUTION n Checking the fluid level Take care, as the reservoir may be hot. NOTICE n When adding fluid Avoid overfilling, or the power steering may be damaged. n After replacing the reservoir cap Check the steering box case, vane pump and hose connections for leaks or damage. 4 Maintenance and care 449