Using this Fender American Professional 5 - String Jazz Bass Guitar is a breeze. First, make sure the strings are properly tuned. You can use a standard guitar tuner for this. When you play, place your fingers on the frets gently to get the right notes. Press too hard and it might sound sharp; press too lightly and it could be dull. As for maintenance, keep the guitar in a dry and clean place. Wipe it down with a soft cloth after each use to remove any sweat or dirt. Also, check the strings regularly. If they start to sound dull or look worn out, it's time to replace them. Avoid exposing the guitar to extreme temperatures or humidity, as this can damage the body and the fretboard.