| Sign  | Probable cause  | Elimination method  | 
| The roof hatch proceeds | Drainage hoses are hammered by dirt | Clean drainage hoses | 
| The drainage hose is hammered | Blow air a drainage hose | 
| The drainage hose or clip of a hose is damaged has defect | Check a hose and clip condition | 
| Hatch consolidation is damaged | Replace consolidation | 
| Big gap between a cover and the hatch case | Adjust the provision of a cover of the hatch | 
| Wind noise | Deflectors are incorrectly fixed or damaged | Tighten or replace deflectors | 
| Noise when moving a cover of the hatch | Extraneous particles in directing the hatch | Check a cable of a drive and directing the hatch on existence of extraneous particles | 
| Are not tightened directing and / or a hatch cover | Tighten | 
| The engine of a drive of the hatch works, however the hatch does not move or перемечается is insignificant | Extraneous particles in directing the hatch | Check a cable of a drive and directing the hatch on existence of extraneous particles | 
| Inappropriate gearing of a gear wheel of the engine with a driving cable | Check reliability of gearing of a gear wheel and absence of damage of a gear wheel | 
| Reduction of force of a friction in the engine coupling | Adjust | 
| Resistance to sliding of the hatch, cables or to consolidation is increased | Adjust or replace | 
| Noise in the engine when the hatch is completely closed or open | Inappropriate gearing of a gear wheel of the engine with a driving cable | Check reliability of gearing of a gear wheel and repeatedly tighten the engine | 
| The gear wheel bearing is worn-out or damaged | Replace | 
| The drive cable is worn-out or damaged | Replace | 
| Glass of a door does not fall down | Wrong installation of a windowpane | Adjust the provision of a windowpane | 
| The window regulator is damaged | Repair or replace a window regulator | 
| Doors do not open or closed completely | Wrong installation of a door | Adjust the provision of a door | 
| The limiter of opening of a door is incorrectly established | Replace or establish correctly | 
| Door loops are not greased | Grease door loops | 
| The cowl does not open or closed completely | The shock plate and latch are not adjusted properly | Adjust the provision of a shock plate and a latch | 
| The cowl is incorrectly established | Adjust the provision of a cowl | 
| The height of an emphasis of a cowl is incorrectly established | Adjust the provision of an emphasis of a cowl | 
| Water passes through wind and back glass | The glass sealant is damaged | Replace a glass sealant |