This replacement HVAC control module is specifically designed to provide optimal performance at a more affordable price than replacement at the dealer. It has undergone extensive testing to ensure proper function in specific vehicle applications. Direct replacement - this HVAC control module was specifically designed to match the performance of the original equipment functionality-tested - modules has been tested to ensure the same operation as the stock moduleSimple installation - no advanced vehicle knowledge is required for proper installation and setup matching design - modules look similar to the original design so that they blend in seamlessly with the interior