One clear task
The redesign puts the generator first, then keeps every instruction and recovery path on the same page.
Project Overview
A fast, mobile-first unlock code generator for compatible Renault and Dacia radios. Enter the four-character precode and the four-digit radio code appears immediately, with clear instructions for classic button radios, steering-column controls, and Media Nav touchscreens.
Core Highlights
- Instant four-digit code generation from a supported precode
- Separate guidance for classic radios and Media Nav systems
- Alternative instructions for steering-column controls
- Clear precode discovery and troubleshooting help
- Responsive from 320 px mobile screens to large desktops
Technical Stack
Project Status
From locked to listening
The complete recovery flow
The interface follows the questions drivers actually have, in the order they need the answers.
- 01
Find the precode
Use the radio shortcut, check the label on the original head unit, or consult the vehicle records for one letter followed by three digits.
- 02
Generate the code
Enter a supported precode such as A123. The four-digit result is calculated immediately in the browser.
- 03
Unlock the radio
Follow the instructions for physical buttons, steering-column controls, or a Media Nav touchscreen to confirm the code.

Built for the dashboard
Useful on the device already in your hand
The generator remains readable and easy to operate on narrow screens, so the precode, result, and radio instructions can stay beside you in the car. Large controls, strong contrast, and direct language keep the process moving.
Private by default
Nothing is uploaded or stored
The code is calculated entirely on the device. There is no account, application database, or server request containing the precode. The project is independent and intended only for radios you own or are authorised to unlock.