GM Service Manual Online
For 1990-2009 cars only

Suspension Position Calibration for Buick Lucerne 2007

ESCM Programming (ESC)

If the electronic suspension control module (ESCM) has been replaced, it must be programmed. Refer to Electronic Suspension Control Module Programming and Setup .

ALCM Programming (w/o ESC)

If the automatic level control module (ALCM) has been replaced, it must be programmed Refer to Service Programming System (SPS) .