How do you deactivate an immobiliser on a Renault megane 1.6e?

To deactivate the immobiliser on a Renault Megane 1.6e, you typically need to use the key fob to unlock the vehicle. If the immobiliser is still active, try inserting the key into the ignition and turning it to the "ON" position without starting the engine for about 10 seconds. If issues persist, consult the vehicle's manual or a professional locksmith, as tampering with the immobiliser system can lead to further complications.