Here is CANEMU CAN Filter 3-in-1 Emulator connection manual for Renault Laguna III
Remove instrument cluster and change mileage in 24C16 EEPROM.
For first prepare CANEMU board: solder 3 configuration point. Use fine KYNAR wire for installation.
Install CANEMU board like in picture:
http://www.obdexpress.co.uk/wholesale/canemu-can-filter-3-emulator-bmw-mercedes-benz-renault.html