12:11. Check of a protector of tires
Intensive wear of tires is promoted by a sports manner of driving, intensive accelerations and sharp braking.
Tires can be operated up to the depth of protector of 1,6 mm (depth of flutes of a protector on all surface of the tire has to be not less than 1,6 mm). However for safety it is recommended to make replacement of tires with a depth of protector of 3 mm.
Sheena M+S (winter) on snow have sufficient coupling with the road with a depth of protector not less than 4 mm.
It is necessary to survey the tire on existence of cuts and to establish their depth. If cuts reach a cord, the steel cord will korrodirovat from the getting moisture.