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Hi, A couple of months ago, it became difficult to start the engine on my Super MkIII. I had to press harder on the ignition switch and/or press several times before the engine started. I tried to clean the contacts with a contact cleaner spray, without unmouting the switch; It did work better, but not for long. So, I decided to have a go at it, and it's a simple fix really. First, you need to take off the bottom cover of the steering column. There is one Torx screw underneath the steering column. Once removed, you can slide the top part towards the steering wheel, and lift it up: this part is just clipped in place. Rotate the steering wheel when you have lifted the top cover: two more Torx screws appear on each side. Unscrew them and the bottom cover will fall. Unplug the two connectors, one for the antenna, one for the switch. To get the switch out, insert two small screwdrivers from the inside of the bottom cover, in the slots on each side of the switch. It will pop off. Once you have extracted the switch, you need to open it: it is quite straight forward, 4 tabs to lift (delicately) on the top, no springs inside so nothing will jump away. This switch is build like the gaming controllers: four conductive silicone pads make contact on a copper plate. I found the silicon pads and the copper plate to be quite dirty. I cleaned them with a soft pad soaked in contact cleaner, and, after drying, applied a very light coat of conductive grease on each side. It works like a charm now, I can start the engine with the slightest touch from the tip of my pinky. Of course, the other solution is to buy a new switch, but I doubt the construction of the switch has changed and the switch is quite expensive (for what it is). But I enclose a pic of the part's references in case you need it.

Evening all. I have 2014 Superb estate 2.0 TDI DSG. I am posting this up as information. Hope it is of use to somebody as it took a while to isolate first time round. This has now happened twice on my car, although over 100K miles each time. APOLOGIES if already discussed elsewhere. The symptoms for this problem are: The water temperature gauge needle starts to rise and drop, particularly when the temperature is cold, i.e. early morning. This can result in NO warm blowing into the car, even on hottest setting. The part that needs replacing is the thermostat mounted on top of the oil cooler. Fairly simple job once airbox is removed. Have included picture of the part number should somebody need it.