My friend gave me a filterqueen defender air perifier but never told me how to take aprt and clean, i feel so dumb cause i can't figure it out. please how do you clean it and take it apart?

SOURCE: Mother gave me her filterqueen defender.. no

The light is a reminder to change the filter, it does not sense if the filter has been changed or not.
When the red light is blinking, press and hold both up and down arrows until the red light blinks RAPIDLY, release both for a second or two, and press and hold both again until it stops blinking.