WE THANK YOU FOR YOUR SERVICE. TODAY AND EVERY DAY. QUICK CHANGE A OIL 714 W Holly St., Sidney, MT 59270 (406) 488-1915 Mon.-Fri.: 7am-5:30pm Sat. & Sun.: Closed WE THANK YOU FOR YOUR SERVICE. TODAY AND EVERY DAY. QUICK CHANGE A OIL 714 W Holly St., Sidney, MT 59270 (406) 488-1915 Mon.-Fri.: 7am-5:30pm Sat. & Sun.: Closed