What is service code B12 on a 2015 Honda Civic LX?

Service code B12 on a 2015 Honda Civic LX indicates a specific maintenance requirement. The "B" signifies a more comprehensive service, which typically includes an oil change and the replacement of the oil filter, along with a multipoint inspection. The "1" indicates that the air filter should be replaced, and the "2" signifies that the cabin air filter also needs to be replaced. It's recommended to follow these services to maintain optimal vehicle performance.