There is a possibility to change the size of the panel. To do this, move the mouse to the edge of the panel, and when you see the arrow/ , drag the edge to set the size of the panel.
"Object" tab
The Object tab contains a photo/image of an object (you can see how to add, change or delete a photo/image in the section Settings - Vehicle fleet - Connection).
The Driver tab contains a photo of the object's driver, personal data (Full name, phone number) (you can see how to add, change or delete the photo in the section Settings - Drivers) and also the Call button (see the section Settings - SIP Phone).