Tire cleaning
If possible, do not clean tires with a steamer. If you hold the steam nozzle close to the tire, the rubber layer will break down within a few seconds, especially after a subsequent treatment with cold water. A tire cleaned in this way must be replaced for safety reasons.
A tire that has been in contact with oil, grease or fuel for a long time should also be replaced. The tire in the corresponding place first swells, but then returns to its original shape and looks outwardly as having no damage. However, the bearing capacity of the tire is reduced.
Tire storage
Tires should be stored in a cool, dark and dry place. They must not come into contact with oil, grease and fuel.
Tires should be stored in a garage or basement lying down or rimmed. Tires without rims must be stored standing up.
Before removing the wheels, you should slightly increase the pressure in the tires (by about 0.3-0.5 bar).
For tires with a winter tread pattern, use your own rims, since remounting tires on the same rims is not economically viable.
Tire break-in
New tires have a very smooth surface from the moment they are made. So new tires (this also applies to the spare wheel) must be run in for approximately 300 km with a careful driving style. During the break-in process, due to the incipient wear, smooth surfaces become rough and the grip of the tires with the road surface improves.
When driving a car with new tires up to 300 km, you should be especially careful when driving on wet surfaces.
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