If you don't want to touch buttons with the coronavirus going around, then use the metal part of a small bulldog clip, a BIC lighter and this 3D printed part to create a self sanitising button pusher. Push the button with the metal part, and then use the cleansing power of fire to burn away those nasty bad guys.

Print Settings

Printer Brand:

Prusa

Printer:

Rafts:

No

Supports:

Resolution:

0.2

Infill:

Filament: Generic PLA Black