Touareg: 2006 V6
Join Date: Jan 2014
Second Vehicle: is not a VW
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Not sure about the rest, but for the parking sensors I had a similar problem. For mine it was a faulty sensor, if 1 sensor is faulty it will register with 2 red light either side.
What I did was to activate the parking sensors, you may need a second person in the car, or just do it with ignition on, then put your ears very close to each sensor. You should here a ticking sound, if you don't then the sensor is faulty.
I ended up replacing all 6 of my front sensors, had to remove the front bumper. But this is very easy and another story.