Table of signs of malfunction
| Sign of malfunction | Diagnostic procedure |
| Water is leaking | Check if the drain pipe is clogged. Check if there is a gap between the glass seal and the roof panel. Check for defects and whether the glass seal or drain gutter is installed correctly. Check if there is a gap between the gutter seal and the roof panel. |
| The sound of the wind | Check if there is excessive clearance between the glass seal and the roof panel. |
| Electric motor noise | Check if the electric motor mount is loose. Check if the gear or bearing is worn. Check that the cable assemblies are not deformed. |
| The glass does not move, but the electric motor works | Check if the gear or inner cable is in good condition. Check if there is a foreign object stuck between the guide and the slider. Check if the inner cable is loose. Make sure the cable assemblies are secured properly. |
| The glass does not move and the electric motor does not work (the glass can be moved with a hatch key) | Check if the fuse has blown. Check if the sunroof switch is working properly. Check the limit switch. Check if the battery is discharged. Check if the electric motor is broken. Check if the relay is working properly. |