How do I improve the bad radio signal in my 2007 Jaguar XK?

I have a 2007 Jaguar XK convertible. The radio reception is very poor and appears to be because of a bad aerial. The rest of the sound system is fine. I wondered where the aerial is and whether it can...

What's causing a satnav fault in my Mercedes-Benz ML 420CDI?

I have a 2008 Mercedes-Benz ML 420CDI, which has had an intermittent satnav function for several months. After prolonged diagnostic testing at the local MB dealer they replaced the antenna at considerable...

Replacing an aerial on a Ford B-MAX

The new car I am considering is a Ford B-Max. This is much the same footprint as my current Fiesta, and should still fit inside my garage length and width-wise but is significantly taller. I calculate...

Is it common for the Volkswagen sat nav system, as fitted to my 2010 Golf GTI, to malfunction?

I have a Golf GTI bought in March 2010 with Volkswagen satnav installed. It worked fine until a couple of months ago. At that time the direction arrow on the map went adrift. Often it was miles off the...