How to Program a new smart key to a Renault Megane 2008 car using Chinese 3-button key with a PCF7947 chip with a Lonsdor K518ISE key programmer.
Connect K518 host with vehicle via OBD socket
Turn on ignition
Select Immobilizer->Renault->Select from vehicle-> Megane->2002-2008 VIN with VF1*M-> Smart key
Turn on the emergency light and switch ignition off
Press Start button and click OK to continue
Open Driver door
Select VIN type, if don’t know which type it belongs to, try it one by one
First try 1st option, it gave the login failed error.
So we try second VIN type option
Turn on the emergency light and switch ignition off
Press Start button and click OK to continue
Open Driver door
Insert a smart key to be programmed into card slot
Programming completed
Press YES to program next key or NO to exit
Lonsdor K518 Learning key success
The new key can start car and the remote control works as well.
Done.