How do you program a keyless entry remote 2007 buick lucerN?

To program a keyless entry remote for a 2007 Buick Lucerne, sit inside the car and close all doors. Insert the key into the ignition and turn it to the "On" position (without starting the engine) and back to "Off" five times within 10 seconds. After the fifth turn, the locks will cycle to indicate the vehicle is in programming mode. Press and hold the lock and unlock buttons on the remote simultaneously for about 15 seconds until you hear a confirmation sound, then test the remote.