Netflix Remove Parental Controls. Then it is time to set the PIN protection. To access the parental controls you have to go to Netflixs website.

Choose Require a PIN to access the selected profile. From a web browser go to your Account page. Create a profile with a specific maturity rating.
Turn autoplay on or off.
Choose maturity ratings or block titles. Choose maturity ratings or block titles. Click Add Profile add your kids name and check the box next to Kid. Sign in to your account click your profile icon in the top-right corner and scroll to Manage Profiles.