How to Program a 2012 Buick LaCrosse Keyless Entry Remote Fob Smart Key
Step by Step How to Programming Instructions:
Note: You need one good working key to use these instructions and you will need to have the key blade on your new key cut by a locksmith before you begin.
1. Insert the good working key into the ignition, and turn to the ON position (without starting the engine) and remove key.
2. Within 5 seconds, insert new un-programmed key into ignition and and start vehicle.
3. Turn key off and remove and test all functions of the remote flip key.