For the high GPS navigation technology, more and more people choose to install their own car GPS navigation systems. Inevitably, when you run the gps naivgation system, maybe there are some problems. Some issues need to be resolved by Professionals, but most of the problems you can solve by yourself. For this article, we will post the most common problems for you.

1. For the high GPS navigation technology, more and more people choose
to install their own car GPS navigation systems. Inevitably, when
you run the gps navigation system, maybe there are some problems.
Some issues need to be resolved by Professionals, but most of the
problems you can solve by yourself. For this article, we will post
the most common problems for you.
QA 1. The gps navigation unit doesn’t start up/ could not open the
gps navigation unit.
a. The key is not turned to ACC or IGNITION position
Re: Turn the vehicle key to ACC or IGNITION position.
b.The power cable has not been connected to the gps navigation unit
Re:Connect the power cable to the gps navigation unit
c.Blown fuse behind the gps navigation unit or in the radio system
Re:Replace or change up the flat battery
d. Flat battery
Re: Replace or charge up the flat battery
e. The remote controller is running out of the battery
Re: Change the remote control battery
QA 2. No sound output/ could not heard voice/ no voice
a. Speakers wires are not connected to the gps navigation unit
Re:Make sure that the speaker wires are properly connected behind the
gps navigation unit
b. The gps navigation unit is on “Mute”
Re: Press “Mute” key or VOLUME (+/-) key
c. The volume it excessively low
Re: Press VOLUME(+) key

2. d. Front/Rear speaker; Left/Right speaker
Re: Press the remote control panel “OSD” or adjust the “Option”
“Audio”
QA 3.Touch panel is not calibrated
Re: Press “calibration” to calibrate the monitor again
“Menu”->”Option”->”System”->”calibration”
QA 4. No response from the touch screen
a. Possible that the system is still processing the precious task
given to it
Re: If there is still no response after a long period time, please
contact the after-sale service department to have this issue looked
at
QA 5. Can not play DVD
a. Disc loaded inaccurately
Re: Please load the disc with the graphic side showing towards the
windscreen
b. Dameged disc
Re: Please clean the disc before reloading it again
c. disc does not play at all
Re: Please check the disc format before playing it
QA 6. Screen is too dark or not bright enough
a. Brightness or contrast adjustment is at the lowest setting
Re: Press “OSD” on the remote controller and re-adjust suitable
brightness, contrast and chroma settings
QA 7. Bad radio reception and can not locate many radio stations
a. The radio antenna is not plugged in corretly

3. Re: Re-plug in the radio antenna
b. This problem can also related to the current position of the
vehicle, especially in the areas with tall buildings
Re: Try it again when the vehicle is away from the built up areas. If
the problem persists, please contact your local product
distributor/reseller
QA 8. No image from the reversing camera
a. Resersing camera is installed, but it is not plugged into the gps
navigation unit
Re: Connect the reverse camera to the gps navigation unit, then press
the “CDD” button on the remote controller, if it still does not
work, please contact your local product distributor/reseller
QA 9. No GPS reception
a. GPS antenna is not plugged in
Re: Plug in the GPS antenna
b. No GPS reception in the current location
Re: Please contact your nearest product distributor/reseller for
further assistance
QA 10. GPS can not pin point the current location
a. Some remote areas are not covered in the maps loaded in the system
Re: Future updated maps might cover those remote locations
QA 11. GPS can not find the location that I am looking for
Re: Confirm the address and re-enter it again. If the system still
can not locate it, it is most likely that the map in the system will
need to be updated
QA 12. Map does not appears on the monitor

4. a. It is possibly that the scale of the navigaiton map is either too
small or too large
Re: Try to change the scale of the map, you should be able to see the
navigation map on the monitor now. If the map still has not appeared,
try to make a search again and if the problem persists, please
contact your nearest product distributor/reseller for further
assistance
QA 13. Bluetooth can not work
a. Bluetooth device is not connected
Re: Paire your cellphone with this Navi system
a. Can not find the bluetooth serial port
Re: Please contact your nearest product distributor/reseller for
further assistance.