A photothermographic material includes on a support a non-photosensitive sliver salt, a photosensitive sliver halide, a nucleation agent, and a binder, and a layer containing specific compounds is formed on an outer side of the image forming layer. The ECU is operative to determine whether the previously depressed brake is in the \u201cON\u201d or \u201cOFF\u201d state when the vehicle is determined as being not travelling on a bad road, the accelerator being in the \u201cON\u201d state, and the brake being in the \u201cON\u201d state. 3-Isopropyl-6-4–oxazol-5-yl-1,2,4triazolo-4,3-apyridine is useful in the treatment of inflammation, osteoarthritis, rheumatoid arthritis, cancer, reperfusion or ischemia in stroke or heart attack, autoimmune diseases and other disorders.