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 ...

Certification for the Hands-free system
NOTE ● This device complies with Part 15 of the FCC Rules and with RSS-Gen of IC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interfere ...

If the light illuminates steadily
If the light illuminates steadily while driving or does not turn off after the engine starts, an emission control system malfunction has been detected. You should have your vehicle checked by an auth ...