Table 1 shows 14 common electrical system related problems of the 2012 Volkswagen Jetta. The number one most common problem is related to the electrical system (91 problems). The second most common problem is related to the horn assembly (19 problems).
A microswitch malfunction. My car will not lock and while I am driving it there is clicking on the doors for locking and unlocking. My night lights will not shut off when I park the vehicle. There is a pinging noise when the vehicle is shut off and in park and the door is open with no lights on. Read details...
I recently bought this 2012 Jetta and the horn does not work. It does not sound when you lock the doors or hit the panic button on the key pad. There was a recall on some models for the horn, but mine doesn�t seem to be included in on that recall. Read details...
The ignition won't turn off, can't shut it down. I was able to turnit off by applying pressure on the key and tapping the end of the key with pliers. I found this solution on the internet from other Jetta owners. Read details...