This O'Reilly Auto Parts store in Hickory Hills has received a lot of positive feedback from customers. The staff is often described as helpful, knowledgeable, and friendly, which is a big plus for a business that deals with complex car parts and services. The store's cleanliness and organization are also consistently praised, making it a convenient place to shop for auto parts. Some customers have even mentioned that the staff goes above and beyond to assist with tasks such as installing parts and diagnosing car problems. However, there are some instances where customers have reported receiving subpar service, with some staff members being unfriendly or unhelpful. Despite this, the store's overall rating remains high, indicating that the positive experiences outweigh the negative ones. It's worth noting that one customer mentioned an instance where an employee refused to return a product under warranty because it wasn't purchased from that store, which is not the kind of customer service you'd expect from a reputable business like O'Reilly Auto Parts.