Your parking pass gives access to Eagle Gate Parking at 139 South Temple. It's located just down the street from Brigham Apartments on the West side.
To access the garage you'll need to drive down an alley that looks like this:
Hold your card up to the card reader to enter and exit the garage. The bar will only move if you are in a car. You can park in any spot that is not reserved.
Not sure you're in the right place? This white building should be across the street from the alley you turn down:
Below is a map to the garage from the V School campus.