There are many tools available to auto key card and key programmers that all claim to be the best Renault key card, but which ones work and which ones don’t? We will be reviewing every aspect of the tools from the value for money to performance and functionality. We hope to be able to provide a valuable resource for new auto locksmiths and also RENAULT discussion from the more new Renault key cards programmed. Discussion and comments on these posts are very welcome and would add great value and worth to the Renault key cards replacement services. Renault cars are a complex beast that runs several types of Key card systems. The Renault immobilizer works to protect the car from being started without a correctly matched key card program.