The National Highway Traffic Safety Administration says auto makers need to talk to each other about information security issues. Automobile makers are famously slow to adapt and change their methods. A broken update or successful attack on a vehicle could have serious real-world effects, not just a browser crash. The automotive industry is that, and, unlike technology or banking, it has product cycles that are measured in years or sometimes decades. The need for industry wide sharing of vulnerability and threat information is real, and the consequences for mistakes or lax responses are extremely high in the auto industry.
Source: https://threatpost.com/information-sharing-on-threats-seen-as-a-key-for-auto-makers/108185/