Car Model: Prius 2011 Have any of you tried installing Cruise Control unit in your cars? I saw the Cruise Control device in ebay and wondering whether its ok to install it. Is there any reason for not to do it? not sure whether its risky to install it like this. Thanks in advance for your advice. This is the device I am looking at. Toyota Corolla 2008 2014 Cruise Control 84632 08021 8463208021 | eBay