How do you unlock a kenwood ddx512 car dvd player?

Security

• Forced Power-ON mode (all models)

Even when security is permitted, by pressing and holding

[Q] and [4] keys and pressing RESET simultaneously, power

can be ON for 30 minutes. After 30 minutes, recovered only

by reset.

• Simplified security code clearing procedure (simplified security

model)

1. While code is requested, press and hold [AUTO] key and

press [ ] key for 3 seconds. ("- - - -" disappears.)

2. Enter "KCAR" by remote control.

Press the remote control [5] key 2 times, display "K",

and press the [ ] key.

Press the remote control [2] key 3 times, display "C",

and press the [ ] key.

Press the remote control [2] key once, display "A", and

press the [ ] key.

Press the remote control [7] key 2 times, display "R",

and press the [ ] key.

3. Security is cleared and the source is set to STANDBY.

4. If a wrong code is entered, code request mode is displayed.