2003 Buick Lesabre Key Programming. Security light should turn on and stay on. How to Program a 2003 Buick LeSabre Ignition Transponder Chip Key.
Need keyless entry key fob programming instructions for your Buick LeSabre. The LeSabre was sold between 1959 2005 being redesigned lots of times in the process. After the engine has started turn the key to off and remove the key.
Insert the original already programmed key in the ignition and start the engine.
The vehicle must be OFF. Several factors can affect how well your 2003 Buick Lesabre handles the heat. Close the drivers door. Insert the original already programmed key in the ignition and start the engine.