See also:

Information on the navigation data
1. "Navigation" 2. Open "Options". 3. "Navigation system version": information on the data version is displayed. ...

The concept
The following can be displayed or operated using the buttons and the thumbwheel on the steering wheel and the display in the instrument cluster: ▷ Current audio source. ▷ Programs ...

Uniform Tire Quality Grading
Quality grades can be found where applicable on the tire sidewall between tread shoulder and maximum section width. For example: Treadwear 200 Traction AA Temperature A ...