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). A tir ...

For U.S.A.
The following information has been compiled according to Code of Federal Regulations “Title 49, Part 575”. ...

High/low beam change (dimmer)
High/low beam change (dimmer) To change from low beam to high beam, push the turn signal lever forward. When the headlights are on high beam, the high beam indicator light “” on the combi ...