Use it dry only.
Don't use it when damaged.
Don't open the zipper.
Don't leave it unsupervised when turned on.
Leave it turned on for a maximum of 15 minutes. Let it cool down for atleast the same amount of time afterwards.
Dont leave or use it next to heatsources.
Don't use the device in folded state or covered. Also don't spread it out flat.
Make sure that all the movable parts can move.
Don't put pressure on the device.