Traffic jam assist provides gentle acceleration, braking and steering guidance when traveling at speeds between 0 and 40 mph. (audiusa.com)
The gauge also tells you that under gentle acceleration, the electric motor might kick in to help, allowing the engine to still operate on just three cylinders. (articles.orlandosentinel.com)
The sound of the motor is drowned out by wind and road noise at motorway speeds, but anything other than gentle acceleration anywhere else brings with it a coarse, loud rattle. (autoexpress.co.uk)