With the gear selector in manual gear position (+/-) the internal combustion engine is permanently in operation. The driver must then change manually and the car engine brakes when the accelerator pedal is released, see Automatic gearbox - Geartronic.
To prevent damage to any drive system components, the working temperature of the gearbox is checked. If there is a risk of overheating, a warning symbol is illuminated in the combined instrument panel in conjunction with a text message being shown. Follow the recommendation given in the text message.