Security Code for Renault Radio Head Unit

When battery was disconnected for vehicle repair.
After battery reconnected and the radio is protected by a four digit code.
If you don't remember radio code or lost and don't find, you can recover it quickly and easily with this app via precode security.
Note: precode security is rear side of head unit radio.

You need step by step:
- Remove the stereo from the dashboard
- See the unit precode. Unit pre-code = 1 letter and 3 digit, for example: V248, D833, H635
- Input precode to this app

How to input radio code ?
1. With Preset Buttons
･ Press 1 Button repeatedly for 1st digit to be displayed
･ Press 2 Button repeatedly for 2nd digit to be displayed
･ Press 3 Button repeatedly for 3rd digit to be displayed
･ Press 4 Button repeatedly for 4th digit to be displayed
･ Press and HOLD preset button 6 (or 5) to store your code (10 seconds)

2. With Stalk Control
･ Press switch on the CD radio. When CD will display 0 0 0 0.
･ Rotate the thumb wheel for the 1st digit. Next press the bottom button to move on.
･ Rotate the thumb wheel for the 2nd digit. Next press the bottom button to move on.
･ Rotate the thumb wheel for the 3rd digit. Next press the bottom button to move on.
･ Rotate the thumb wheel for the 4th digit.
･ Press and hold the bottom button button to finish.

3. With Remote Control
･ Press the [ ¬] button then rotate the thumb wheel for 1st digit
･ Press the [ ¬] button then rotate the thumb wheel for 2nd digit
･ Press the [ ¬] button then rotate the thumb wheel for 3rd digit
･ Press the [ ¬] button then rotate the thumb wheel for 3rd digit
･ Press and hold the [ ¬] button to store the code (10 seconds)