you need to pay much attention to the process of its car DVD with GPS navigation installation. You know, small mistakes may cause big problems. We can briefly divide this into three steps.
Firstly, you need to demount the original stereo in your car. Before you start your task, it is better to clean it up then pull down the original parts step by step, the decoration boards and the main board.
Secondly, you need to secure the compact of the new one car GPS device or make sure it is suitable for the car, the brackets, GPS antenna and decoration boards, etc.
Thirdly, don't miss any little pieces, after the installation process. A checking out is necessary. Make sure it is perfect and avoid any leaks.
Finally you can start your car and turn on the GPS device to test its performance.