Here is how to reset your Renault Megane key fob:
1. Start by putting the key into the ignition barrel and turning it to the "On" position.
2. While the key is in the "On" position, press the "Lock" button on the key fob and hold it down for 5 seconds.
3. After 5 seconds, the key fob should make a beeping noise to indicate the key has been successfully reset.
4. Remove the key from the ignition, and the reset is complete.
