Use the following steps to perform the calibration update:

1. Install a scan tool.
2. Turn ON the ignition, with the engine OFF.
3. With a scan tool, select Heating and Air Conditioning.
4. Select Special Functions.
5. Select Miscellaneous Test.
6. Select HVAC Recalibration.
7. Follow scan tool prompts.

1. Turn OFF the ignition.
2. Remove the battery positive voltage circuit fuse of the Instrument Panel Control Module.

Important: The module memory will not clear if the battery positive voltage circuit fuse is installed in less than 60 seconds.

3. Wait 60 seconds.
4. Install the fuse.