Original auxiliary heater in retrofit kit for the Audi A8 4H The heater warms the interior of the ice maker and releases the discs without starting the engine Comfortable warmth and fresh air control via timer or remote control Advantages: Less engine stress Quick setting of a pleasant interior climate More safety thanks to clear vision Features: E10 compatible The intelligent control system calculates the heating time Optimized in time and energy Two heating modes, selectable Note: The delivered material comes from test vehicles. The components have passed several functional tests. The hardware is equipped with the latest software version. You receive a 24-month warranty on the items