2018 Toyota 4Runner Owners Manual and Warranty - Toyota Toyota Owner manuals and warranty information are the keys to quality maintenance for your vehicle. No need to hunt down a separate Toyota repair manual or Toyota service manual. From warranties on Toyota replacement parts to details on features, Toyota Owners manuals help you find everything you need to know about your vehicle, all in one place. Toyota 4-Runner Free Workshop and Repair Manuals Toyota 4-Runner The Toyota 4Runner is a mid-size sport utility vehicle (SUV) produced by the Japanese manufacturer Toyota and sold throughout the world from 1984 to present. It was manufactured with various body styles: two-door pickup, three-door wagon and five-door wagon.