The mechanism at the rear of guide gearboxes is complex, involving interlocking enamel and shifting mechanisms. You may view a visible demonstration of handbook gear transmission Within this video clip by Lesics. To find out more about the way forward for vehicle gears, browse this information at Volkswagen's Web page.  https://jeffreyuwvtp.theisblog.com/34129338/the-definitive-guide-to-automobile-gearbox