Toyota and Nissan are both accelerating development of lockouts that would make it difficult or impossible for a tippler to travel. Nissan's contemplating a very long PIN code that would be hard for a drunk to operate, while Toyota's playing with breathalyzer technology. The effort follows a rash of media coverage in the land of the rising sun following a number of high-profile drunk-driving incidents, including one where an inebriated motorist knocked a car off a bridge, killing three children.
Japanese automakers developing cars that refuse drunk drivers [Mainichi Daily News]
Saab Develops Breathalizer Key [Internal]