Cars.com photo by Evan Sears. Vehicle maintenance schedules vary on how often the air filter should be changed. On most Chevrolet engines, for example, the recommended interval is every 45,000 miles, but Ford says it should be done every 30,000 miles on many of its engines.
North Riverside is a village in Cook County, Illinois, United States. As of the 2010 census, it had a population of 6,672.
The La Grange Highlands is an unincorporated residential community located immediately south of the Village of La Grange and west of the City of Countryside. It is in Lyons Township, Cook County, IL. The Highlands covers an area of about 600 acres. It is one of the largest unincorporated areas in Cook County. The community received its name Highlands because of it's high elevation. It is 690 ft. above sea level, 90 feet higher than Chicago's loop, and 20 ft. higher than the Village of La Grange.