Attention: After using the anti-icing agent, the door lock cylinders must be lubricated without fail.
2. Check that all hinges, latches and locks function properly, are secure and clear, and make appropriate adjustments if necessary. Check the functioning of the single lock.
3. Check up a condition and serviceability of functioning of an emphasis of a door of a back - an emphasis should reliably hold a door in the lifted position. Replace failed components.
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