inputs.text: radar not work nav systehem takes long load additional features redundant - sold combo radar nav need separate power cables unless 2 handy power sockets use one time cables cabin car battery life without nav 5 10 mins max radar detector makes nice beep plug doesnt actually detect anything drove past 3 police cars highway set highway mode nothing sits dash nav pretty good takes load first booted works charged due short battery life user manual lays additonal features like mp3 goodies dont work