Reprogramming Car Keys

Transponder keys are thought to be more secure for cars and are more difficult to copy by thieves. However, a key might need to be reset if it becomes damaged or lost.

You can reprogram key fobs yourself, but you must know the correct process. You must have these things to achieve the best results:

Keys

Modern cars require a transponder key in order to operate. This provides security and protection against theft. The keys must be programmed to your specific car and its systems by a licensed locksmith or dealer. It's expensive to replace them if they are lost, so it's better to keep extras on hand. You can also find replacement key fobs in various online stores and in many brick-and mortar auto shops. How can you know that the one you bought is genuine? Are you able to tell if it has been programmed for a different vehicle or if it can be reprogrammed for yours?

To program car key a new car key, you must first verify that your car key cut and programed is running. Insert the key you want to reprogram into the ignition, but do not turn it. There are only a couple of seconds before the car's system reverts the commands and exits programming mode. It is essential to move quickly and do not wait between each step. Turn off the engine to stop this. You can test the system of your car by turning the key to the "on" position, then back to the "off" position. There should be a chime signalling that the procedure was successful. The door locks will go through a cycle.