How do you fill a 1989 GM vandura power fluid reservoir?

To fill the Power Steering fluid reservoir on a 1989 GM Vandura, first locate the reservoir, which is typically near the engine compartment. Remove the cap and check the fluid level with the dipstick or markings on the inside of the cap. Add the appropriate power steering fluid, ensuring it meets GM specifications, until it reaches the recommended level. Replace the cap securely and check for any leaks or issues after filling.