Calibration Procedure

WARNING: This page is about a different car, the 2008 Chevrolet HHR. However, it is still accessible from the selected car via links, so may be relevant.

Install a scan tool.
Select Diagnostics.
Turn ON the ignition, with the engine OFF.
Select the vehicle.
Select Body.
Select Radio.
Select Body Control Module.
Select Module Setup.
Select the BPPS calibration procedure and follow the directions displayed on the screen.