Typically, you can use 1/3 of the vinegar you normally would if your machine calls for less.

You can use the clean cycle instead of brewing if you have this option on your coffee maker. An automated clean cycle usually starts and stops, allowing different parts of the machine to soak in the solution.

Consider doing 1 to 2 more brew cycles with warm water if you can still smell vinegar.

Make sure that you clean off all of the coffee stains that may have accumulated over time.

You can use a Q-tip to clean heard-to-reach places.

A product called Quick n Brite can take off stubborn lime deposits that may have formed inside of your carafe. To use, pour some of the product into the carafe, let it sit for a few minutes, and then rinse it out.