Montgomery Auto Sales Park 3311 Briggs Chaney Road - Silver Spring, Maryland 20904 Tel.:(301)890-1800, (410)813-2226, 1-800-898-3515(For Mid-Atlantic States) Fax:(301)890-1812 TDD :(301)890-1817 (All Departments, For the Hearing Impaired Customers) Hours: Monday-Friday: 09:00a.m. - 09:00p.m. Saturday: 9:00 a.m. - 6:00 p.m.