Uniform Tire Quality Grading (UTQG)

For details, refer to “Uniform tire quality grading standards”.

    See also:

    Brake booster
    The brake booster uses engine manifold vacuum to assist braking force. Do not turn off the engine while driving because that will turn off the brake booster, resulting in poor braking power. ...

    Corrosion protection
    Refer to “Corrosion protection” F10-4. ...

    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 ...