After pressing the "Clear Personal Data" button on the touchscreen the following settings will be available:
When this feature is selected it will remove personal data including Bluetooth devices and presets. To remove personal information, press the "Clear Personal Data" button and a pop-up will appear asking Are you sure you want to clear all personal data?" select "OK" to Clear, or "Cancel" to exit. Once the data has been cleared, a pop up appears stating Personal Data Cleared."