See also:

Wear indicators
1) New tread 2) Worn tread 3) Tread wear indicator Each tire incorporates a tread wear indicator, which becomes visible when the depth of the tread grooves decreases to 0.063 in (1.6 mm). ...

Recommended fluid
Refer to “Fluids”. ...

To select a track/index from its beginning
Select a track/index in the same way that a track is selected when a CD is played. For details, refer to “To select a track from its beginning”. ...