Calibration Procedure
WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
Use the following steps to perform the calibration update:
- Turn OFF the ignition.
- Remove the battery positive voltage circuit fuse of the HVAC Control Module.
- Wait 60 seconds.
- Install the fuse.
IMPORTANT:
The module memory will not clear if the battery positive voltage circuit fuse is installed in less than 60 seconds.