Park the vehicle on a level, level ground.
With the engine idling, turn the steering wheel from lock to lock 2 or 3 times and set the wheels to drive straight ahead.
Turn off the engine.
The reservoir is mounted on the power steering pump. Wipe the tank, unscrew the nut and remove the cap from the tank.
Check the fluid level, which should be between the MIN and MAX marks located on the plastic sleeve, which is attached to the stud for attaching the reservoir cap.
If necessary, add fluid to the tank to the required level. Install the cover and secure it with the nut.