How to use V3.5 VDM UCANDAS to diagnose cars?

Here is an instruction of how to diagnose a car with V3.5 VDM UCANDAS.
Step 1. First, connect VDM to the OBD port of a car. Let us say, Mercedes Benz.
Step 2. Start UCANDAS software after the power indicator comes on.
Step 3. Connect the USB cable to your PC or use WIFI connection to make the tool communicate with your PC. The first time you use WIFI, it may takes some time. The fixed SSID of VDM is UCANDAS. If the WIFI connection fails, you can try to set it manually. When WIFI is connected successfully, the VDM wireless icon will illuminate.
Step 4. After hooking up the wireless internet, click UCANDAS car diagnose icon like this . You will then see a page as shown below.

Step 5. Select the brand of your car. Let us assume you have a Mercedes Benz, so we choose Europe and then Mercedes Benz.
Step 6. A window as below will come up after you select the car brand, please press “accept”. The tool will then go to diagnosis page.