самый экономичный режим

Changing from 1st to 12th gear in a 02-03 Volvo FM9 300 manual. Shifter got same patterns in the Volvo FH series too. It’s a 3 speed shifter with split and range buttons giving it a total of 12 regular forward gears and 4 reverse gears. It also got 2 crawler gears (labeled as C on the shifter). проще говоря половинки нижний и верхний ряд.