... 2.Support steering wheel control Sharing Digital 7'' Car GPS Navigation for CITROEN C4 C-Triomphe C-Quatre (2005-2009) ... bus box to Support steering wheel controlr4). Built-in GPS system ( wince 6.0 )4). Dual zone function ( ... Canada , Singapore + Malaysia , Iran, Israel ,USA, ThailandMenu Languages & Navigation Voice: English, Chinese, Arabic, German, French, Italian, Portuguese, Spanish, Russia ...