Specific wiring for auxiliary heating in VW, Skoda, PQ35. The auxiliary heater warms the passenger compartment and defrosts the windows without starting the engine. Convenient control of heat and fresh air via a timer or remote control. Increased safety thanks to a clear view. Rapidly achieves a comfortable interior climate. Reduced engine stress during vehicle warm-up. Suitable for the following vehicles: VW Caddy 2K, SA, VW EOS 1F, VW Golf 5, VW Golf 6, VW Jetta 1K, VW Jetta 5C, VW Passat 3C, VW Passat B7, VW Scirocco 137, VW Sharan 7N, VW Tiguan 5N, VW Touran 1T, Skoda Octavia 1Z, Skoda Superb 3T. Heater features: E10 compatible. The intelligent control system calculates the optimized heating time in terms of time and energy. Two selectable heating modes. Note: Only for vehicles with Climatronic.