| –
| Install in reverse order of removal. |

Note | Assembly sequence: Insert right backrest into outer and centre backrest bearings. Then insert left backrest into backrest bearings. |
| –
| Close locking hooks in outer backrest mounts using screwdriver. |

WARNING | Carry out a functional check after assembly! |
|
| –
| Engage backrest in lock. |
| l
| Red seat backrest locking mechanism marking must not be visible! |
| –
| Check locking by pulling on upper backrest surface. |
| –
| Release backrest and fold forwards. |
| l
| Red seat backrest locking mechanism marking must be visible! |
| –
| Engage backrest in lock again. |
|
|
|