Using these StopTech brake pads is easy. Just follow the standard installation process for brake pads on your 1989 - 1996 Nissan 300zx. When driving, you'll immediately notice the improved pedal feel and response. For normal use, these pads are great and require little special attention. However, if you're using them on the track, make sure to let them cool down properly after each session. As for maintenance, regularly check the pads for wear. If you hear any unusual noises or feel a change in the pedal response, it might be time to inspect the pads closely. Also, keep in mind that these pads work well in different weather conditions, but extreme cold or heat could affect their performance slightly. Overall, these pads are a reliable choice for a variety of driving scenarios.