O'Reilly Auto Parts Store #3696 in Renton, Washington, offers a wide range of auto parts, tools, and services to customers. Located at 307 Rainier Avenue South, the store provides helpful services such as free battery testing, wiper blade and bulb installation, and Check Engine light testing. Additionally, it resurface brake rotors and drums, and features a free Loaner Tool program for special tools, with a refundable deposit. The staff includes knowledgeable parts professionals who are friendly and ready to assist customers. Customer reviews highlight a mix of experiences. Many praise the staff's friendliness and helpfulness, especially mentioning employees who go out of their way to assist with repairs and customer service. One customer appreciated the free diagnostic service, which included code printing and part pricing, along with help from staff during a DIY repair in the parking lot. Terrence and Holly are specifically recognized for their excellent customer service. However, some reviews point out issues with staff attentiveness and store organization. There are concerns about theft happening in the store, with shelves often found empty or tampered with, and staff seeming indifferent or unable to manage the situation. One reviewer noted that only a few staff members, particularly one who managed the rush at the register, stood out positively, while others appeared to do little to help. Overall, O'Reilly Auto Parts in Renton is a convenient place for auto parts and services, with helpful staff and useful tools, though some customers wish for better store management and staff engagement.