How do you replace the cassette player with a CD player in a Renault megane sport?

To replace the cassette player with a CD player in a Renault Megane Sport, first, disconnect the car battery for safety. Use a trim removal tool to carefully pry off the dashboard panel surrounding the cassette player. Unscrew and remove the cassette unit, then connect the CD player using the existing wiring harness and secure it in place. Finally, reattach the dashboard panel and reconnect the battery before testing the new CD player.