O'Reilly Auto Parts in Conroe provides a range of automotive parts, tools, and services, including free battery testing, wiper blade installation, and a loaner tool program. Customer reviews consistently highlight positive experiences with the staff, who are described as friendly, knowledgeable, and extremely helpful. Multiple customers report good experiences with battery services, noting the staff was able to efficiently test, charge, or replace batteries without taking long. The service is noted for being quick, with one customer receiving a warranty battery replacement in less than ten minutes. Staff members are commended for going above and beyond, making customers feel welcomed and not like a nuisance, especially when assisting with car issues close to closing time. The team is also helpful in finding items not in stock by checking other locations. The overall sentiment is one of excellent and helpful customer service that encourages customers to return.