See also:

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

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 tire ...

Car phone/cell phone and driving
Do not use a car phone/cell phone while driving; it may distract your attention from driving and can lead to an accident. If you use a car phone/cell phone, pull off the road and park in ...