How to Locate Your Radio’s Serial Number
Many radios show the serial number on the screen by holding buttons like **1 + 6** or **2 + 6**. If not, the radio must be removed to view the label. For full tutorials, visit: your car’s guide.
Poisk- Gisha Forza — V- ...
It looks like you're working with a phrase that mixes Russian ("Поиск" = search/find) and possibly Italian ("Forza" = strength/force) or a name like "Gisha."