The meaning is as follows

The Volvo car key icon is the Volvo brand icon.

Volvo means comfort, elegance, but also quality, safety and environmental protection. Volvo is Latin, meaning rolling forward. Its car logo consists of three parts: the circle in the first part represents ancient Rome. Mars, the god of war, is also the symbol of the Swedish steel industry; the second part is the diagonal line, whose purpose is to fix the Mars symbol on the grille, making it the most obvious symbol of Volvo cars; the third part is Volvo The company's registered trademark, which uses an ancient Egyptian font. This logo has been in use since the first Volvo car and has become a distinctive symbol of Volvo's cars.