Haier 43E4500R User Manual page 59

To erase all parental control settings:
1. From the Home screen menu, navigate to Settings > Parental controls, and then enter your PIN.
2. In the Parental controls screen, highlight Reset parental controls.
3. Follow the instructions on the screen to confirm that you want to erase all parental control settings.
Tip: Resetting parental controls also erases your parental control PIN.
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