Purpose: to activate engine preheating so that both the engine and the vehicle interior are heated. In the factory, only the vehicle interior is heated and there is no engine preheating.
Information: Works with auxiliary heating option. This modification reduces indoor heating energy or takes longer until the interior is used.
Procedure :
1 – Engine off, ignition off, connect your official VAG-COM VCDS cable to the computer, then plug the other end into your vehicle’s diagnostics socket.
2 – Switch on the ignition and run the VCDS program.
Line 1 :
3 – Click on“Select”, then click on“18 – Auxiliary heating”.
4 – Click on “Coding – 07” then “Long Coding Helper”
5 – Select Byte 0:
Uncheck Bit 3
