Enables oxysterol binding activity. Involved in several processes, including dendritic cell homeostasis; leukocyte chemotaxis; and leukocyte differentiation. Acts upstream of or within leukocyte chemotaxis. Predicted to be located in plasma membrane. Is expressed in several structures, including Peyer's patch; central nervous system; genitourinary system; immune system; and intestine. Orthologous to human GPR183 (G protein-coupled receptor 183). [provided by Alliance of Genome Resources, Apr 2022]