Specific cable kit for retrofitting an original auxiliary heater suitable for the following vehicles: Audi A4 8W A5 F5 A6 4A A7 4K A8 4N Q5 FY Q7 4M* Q8 4M* the heater warms the interior of the ice maker and releases the discs without starting the engine comfortable warmth and fresh air control by timer or remote control less engine stress when heating the car quick setting of a pleasant interior climate more safety thanks to clear vision Scope of delivery: Specific cable kit auxiliary heater *Currently, retrofitting of vehicles from model year 2024 is not possible