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. ...

Mute
Press button 6 on the remote control. The sound is switched on/off. ...

Notes on driving
If the vehicle is heavily laden, check the tire pressures and correct them if necessary. When parking your vehicle, make sure that the tires do not get deformed by the curb or other obstacl ...