In reality, all cars are vulnerable if the cat converter is easy to reach. Easily recognisable hybrids are more prone to theft, so a Prius or RAV4 - for example - are more at risk than your Jazz. But there are preventative steps you can take if you're concerned, including getting a cat converter lock device fitted. You can see our advice here: kit.honestjohn.co.uk/top-tens/top-10-ways-to-preve.../