Mazda 3 Sedan 2019 Manual page 112

Features
Entertainment
Resetting the PIN code
If you forgot the programmed PIN code, you can reset it using the following procedure.
1. Select "Change PIN Code".
2. Select 10 times while nothing is input.
Playing a locked DVD
If you want to play a DVD which has been locked by the parental lock function, it can be
unlocked by inputting the PIN code.
1. If you try to play a locked DVD, the PIN code input screen is displayed.
2. Input the current PIN code.
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