Specific cable set for upgrading the original auxiliary heating system (5Q0 or 5Wa heater). The heater warms the passenger compartment and clears ice from the windows without starting the engine. Comfortable regulation of heating and fresh air via timer (menu in the radio or navigation system) or remote control. In summer, the auxiliary heater acts as supplementary ventilation and carries fresh air from outside into the interior. By replacing the climate control unit, you get a button for instant heating. Increased safety thanks to a clear view. Rapid stabilization of a comfortable interior climate. Less engine stress during vehicle warm-up. Selectable options: Version 1: VW Golf 7 VII, VW Touran 5T, VW Tiguan AD1, AX1, VW Tiguan Allspace BW2, BJ2, VW Passat B8, VW Arteon 3H, Audi A3 8V, Audi Q2 GA, Skoda Octavia 5E, Skoda Superb 3V, Skoda Karoq NU7, Skoda Kodiaq NS7. Version 2: Audi A3 8Y, Audi Q3 F3, VW Golf 8 VIII, Seat Formentor KM, Seat Leon KL, Skoda Octavia NX. Version 3: VW Caddy SB. Scope of delivery: cable set. Note: Only for vehicles with Climatronic. Some vehicles require replacement of the climate control panel.