inputs.text: must gps - recently purchased unit reading many many reviews find blackbird wonderful guidance tool easy program contrary many reviews find little difficulty disengaging unit cradle lifting straight holding release button gets easier time must lift antenna inserting blackbird cradle initially turning unit inadvertently pressed dehemo touchpad unit would cycle around block exited dehemo experienced no problehems accessing satellites using standalone gps get approximately two hours use charges plugged charger inside car unit turns ignition maintaining charge waiting delivery 11 software update includes navteq traffic systehem sure fantastic highly recommend unit