The Korean tech giant first unveiled the Connect Auto solution during the Mobile World Congress trade show held in Barcelona in February, hinting at its US launch in the second quarter.The solution is a little plastic box powered by Samsung’s own Tizen OS that plugs directly into a vehicle’s on-board diagnostics to monitor the car’s operation, provide updates on eco driving efficiency and offer Internet connections for entertainment.In June 2015, Samsung invested US$6.5 million into US connected-car start-up Vinli.By Lee Ji-yoon ( jylee@heraldcorp.com