See also:

Engine exhaust gas (carbon monoxide)
- Never inhale engine exhaust gas. Engine exhaust gas contains carbon monoxide, a colorless and odorless gas which is dangerous, or even lethal, if inhaled. - Always properly maintain the ...

Aluminum wheels
Aluminum wheels can be scratched and damaged easily. Handle them carefully to maintain their appearance, performance, and safety. ● When any of the wheels is removed and replaced for tire rot ...

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 ...