See also:

Treadwear indicators
Narrow bars (tread wear bars) that are distributed over the tire tread. If the tire tread is level with the bars, the wear limit of 1/16 in (1.6 mm) has been reached. ...

Activating AUX mode
AUX drive Select AUX in the menu using the buttons on the remote control and press the button to confirm. The AUX menu appears. Select Source from the AUX menu and press the button to ...

Driving with summer tires
Observe the notes in the "Winter operation" section. ...