Using this pushbutton is straightforward. Connect it to your device using the small solder lugs. You can use it for basic On/Off functions easily. Just press the button to engage the latching operation. When it comes to the LED, make sure the voltage you supply is within the 5 - 12V range. You can check the branding on the button to be sure. As for maintenance, since it has an IP65 weatherproof rating, it can withstand some environmental conditions. However, try to keep it away from extreme heat or moisture. If you notice any issues with the switch operation or the LED illumination, check the connections first. Also, refer to the datasheet for more detailed technical information if needed.