How Do You Troubleshoot Common Problems With A Gps Navigation Unit?
• The gps navigation unit doesn’t start up/ could not open the gps navigation unit. • The key is not turned to ACC or IGNITION position. • Turn the vehicle key to ACC or IGNITION position. • The power cable has not been connected to the gps navigation unit. • Connect the power cable to the gps navigation unit. • Blown fuse behind the gps navigation unit or in the radio system. • Replace the blown fuse with a fuse of the same amps. • Flat battery. • Replace or charge up the flat battery. • The remote controller is running out of battery power. • Change the remote control battery. • No sound output/ could not hear voice/ no voice • Speaker wires are not connected to the gps navigation unit • Make sure that the speaker wires are properly connected to both the gps navigation unit and the speakers. • The gps navigation unit is on “Mute”. • Press “Mute” key or VOLUME (+/-) key. • The volume it excessively low. • Press VOLUME(+) key. • Front/Rear speaker; Left/Right speaker. • Press the remot