The gearshift indicator tells the driver when it is the ideal time to change gear.
The gearshift indicator installed in many Audi models makes sure you are always running the engine at the optimum revs. A signal on the driver information system shows when it's advisable to change gear.
Changing to the most suitable gear has been proven to save fuel. The driver benefits from an advanced level of driving technology – and visible efficiency.
Article source: www.audi.co.uk