How to Disable Kiosk mode in Android

I enabled Kiosk mode in Android and I forgot to add USB debugging on. now When I press EHS , it only shows me calculator app and it doesn't show the setting app as well in normal mode.  I need know 3 things

1. How to disable Kiosk mode ?

2. How to add another app to Kiosk mode instead of  Calculator app ?

3.How to add setting app to normal mode