1, when the hub temperature is high, it should be allowed to cool and then clean, do not use cold water to clean. Otherwise, will damage the aluminum alloy hub, and even make the brake disc deformation and affect the braking effect. In addition, cleaning the aluminum alloy wheels with a cleaning agent at high temperatures can cause chemical reactions on the surface of the hub, loss of gloss, and aesthetics.
2, when the hub is difficult to remove the asphalt, if the general cleaning agent to no avail, you can try to clear the brush, but do not use the brush, especially the iron brush, so as not to damage the wheel surface. Here, to the private owners to introduce a clear asphalt remedies: that is, use the medicinal "active oil" rubbed, you can get unexpected results, may wish to try.
3, where the vehicle is wet, the wheels should be washed, so as not to salt on the aluminum surface corrosion.
4, if necessary, clean, the wheels can be waxed maintenance, so that it will never end.