1. Check up presence of signs разлохмачивания a belt and other defects. Check up also work of locks and mechanisms of a tension of belts, an inhaling of bolts of fastening of buckles of belts to a body.
2. Check up ignition of a control lamp of a belt.
3. Check up work натяжителей belts.
4. At detection of malfunctions or defects belts replace.