Treadwear indicators

Narrow bars (tread wear bars) that are distributed over the tire tread. If the tire tread is level with the bars, the wear limit of 1/16 in (1.6 mm) has been reached.

    See also:

    Brow of hill
    When driving up an uphill gradient, slightly reduce pressure on the accelerator immediately before reaching the brow of the hill. Use the vehicle's own impetus to drive over the top of the hill. ...

    Driving on sand
    WARNING   Do not reduce the tire inflation pressure before driving through sand. However, if you do so, remember to correct the tire inflation pressure before continuing your trip. Drivi ...

    Underinflated tires
    WARNING Follow recommended tire inflation pressures. Do not underinflate tires. Underinflated tires wear excessively and/or unevenly, adversely affect handling and fuel economy, and are more ...