For the sake of safety and proper use of this car DVD player head unit,it is highly recommended that the product is installed by professional staff or an authorized dealer. dismantling or repairing this car DVD machine by yourself is not a good idea to save a little money but in fact paying more.This advice is just to avoid additional damage or accident.The content of the car radio sat nav head unit determine that you had better treat it carefully.So I will say Something you should pay attention to about DVD player replacement for Android 4.4.4 2004-2007 Mercedes-Benz C Class W203.No matter who install it,remember that you should remove all the metal or other hard objects to avoid the seat or interior trim of the car being damaged when installing the product.Starting the engine before you install this car nav machine,then check the display of the auto dashboard.After that,check all the buttons in the car.Also checking if there are any scratches outside or inside the car surface.If so,you should notify the client immediately.
Put the components away when replacement to avoid interior trim being damaged.To avoid short circuit,any joints must be done well and insulated.To prevent damaging active components when in the process of connecting wires(such as the steering wheel control,throttle and brake pedal etc.)Keeping the connection wires safe(such as GPS antenna,cassette mechanism wire,reverse wire etc.)Remembering that do not connect the wires or accessories when in the boot-up state to avoid the host computer and accessories being damaged.The information about the ports in the back of the car DVD player is here.
Put car into reverse gear after installing a rear view camera. GPS antenna should be installed correctly to make sure that the GPS navigation system can work normally.And this is the most important function in the car DVD player for users.So you had better check this function carefully to make sure it is in the right state while using it.While our professional staffs will test it again and again at first,we should consider about the external factors like transportation etc.Then I will introduce the way to install the GPS antenna. Separating the GPS antenna and power wire when connecting.For testing,place the GPS antenna on the passenger seat. After replacement is complete,checking the GPS position and signal reception etc.When connecting these wires you should get the right port to connect them to avoid damaging the pins on them.If you have the professional install it,he must know these matters need attention.Wish you have a great driving journey after installing our android car DVD player!