Using this switch is a breeze. First, make sure to turn off the power before installation. Align the switch with the cutout size of 33mm X 22mm and fit it in place. Connect the 6.4mm spade terminals to the appropriate wires. When it's all set, turn the power back on and your switch is ready to use. As for maintenance, keep it clean and dry. Wipe it with a soft cloth if it gets dirty. Avoid exposing it to excessive moisture or high temperatures. If you ever encounter any issues, don't worry as it's fully guaranteed.