What's the 2006 Toyota Sienna power steering fluid type?

The power steering fluid type used on the 2006 Toyota Sienna is Prestone power steering fluid. The main purpose of power steering fluid is to act as the pass through which power is transferred from the steering wheel to the steering mechanism of the vehicle. It also will act as a lubricant to protect moving parts within the system.Power steering fluid is what keeps the energy flow within Your steering system working properly. This hydraulic fluid is key for protecting seals, O-rings; which can become brittle and broken causing serious damage to other parts of Your steering system, such as the power-steering pump.If Your wheel feels "hard" and tough to turn, You might need power steering fluid. Loud steering: Steering shouldn't make sounds. The minute You notice that Your steering wheel is making loud noises, it's time to check the power steering fluid level in Your vehicle.