Details about Max Cooling On-The-Fly can be found in the main article: Max Cooling On-The-Fly

If you have Custom Code v7.1 or newer, see updated instructions here: Using Max Cooling On-The-Fly

This article explains how to configure Max Cooling On-The-Fly for older custom code.

Enable/Disable Max Cooling On-The-Fly:

Using Cruise Control buttons and BC button

Hold the SHORT UP button on the rocker switch for 2 seconds. Check Engine Light (CEL) will flash (blinking at a slow speed) (indicating max cooling selection mode is active)
UP and DOWN buttons on the rocker switch will change RPM to reflect max cooling state
Select your the max cooling state by pressing the RESUME or BC button (CEL will turn off and state will be updated)

Max Cooling is ENABLED when the tachometer shows 1000 RPM.

Max Cooling is DISABLED when the tachometer shows 0 RPM.

Limitations

Hold the FAR DOWN button on the rocker switch for 2 seconds. Check Engine Light (CEL) will flash (blinking at a slow speed) (indicating max cooling selection mode is active)
UP and DOWN buttons on the rocker switch will change RPM to reflect max cooling state
Select your the max cooling state by pressing the RESUME button (CEL will turn off and state will be updated)

Max Cooling is ENABLED when the tachometer shows 1000 RPM.

Max Cooling is DISABLED when the tachometer shows 0 RPM.

F series vehicles (Driver’s door must be closed):

To enable Max Cooling On-The-Fly – Switch to Sport Mode+ or Sport Mode via the Driver Experience Switch and push the Dome Light button twice within 2.5 seconds. The Check Engine Light will blink twice as a confirmation.
To disable Max Cooling On-The-Fly – Switch to Sport Mode+ or Sport Mode via the Driver Experience Switch and push the Dome Light button twice within 2.5 seconds. The Check Engine Light will blink once as a confirmation.

G series vehicles (Driver’s door must be closed):

To enable Max Cooling On-The-Fly – Sport Mode+ or Sport Mode via the Driver Experience Switch and push the ESP button four times within 2.5 seconds. The Check Engine Light will blink twice as a confirmation.
To disable Max Cooling On-The-Fly – Sport Mode+ or Sport Mode via the Driver Experience Switch and push the ESP button four times within 2.5 seconds. The Check Engine Light will blink once as a confirmation.