Toyota COROLLA Owner's Manual page 257

Delete personal data
Select "Delete personal data" on the "General settings" screen.
1
Select "Delete".
2
Check carefully beforehand, as
data cannot be retrieved once
deleted.
A confirmation screen will be displayed. Select "Yes".
3
The following personal data will be deleted or changed to its default
settings.
• General settings
• Audio settings
• Telephone settings
255
5-3. Setup
5