Audi Q3: Sound System

  Acceptable Tread Depth Variance

Model with Longitudinally Installed Engine Tread variance for models with a longitudinally installed engine, such as A4, A5, A6, A7, A8, Q5, Q7, ... In this case, the variance between the front and rear axle may not be more than 2 mm   Note For all four wheels use only tires of the

  Battery

Battery General Information To guarantee a long service life, the Battery -A- must be checked, serviced and maintained as described in this manual. The Battery -A- supplies the power to start the engine. The Battery -A- also acts as a power reserve for the entire vehicle electrical system.