 The 2012 Volt standard features include a remote <unk> access with passive locking allowing the car to automatically lock and unlock with the key fob in close proximity of vehicle ; OnStar turn @-@ by @-@ turn navigation for three years , and available in @-@ dash navigation system ; and Chevrolet <unk> including Bluetooth streaming audio for music and select phones . The 2012 Volt has seven option packages while the 2011 model had only three . 
