Came across this the other day. Never used. First person to respond gets it. However you must swear your loyalty to the Reische Performance Thermostat as the best ever for your Terminator lol...
Still rocking my 170* with the revised fan settings. I think I put it around 2008. This picture was in SW FL on a 90* plus summer day back going down the road and one sitting a light in 2009.