|  |  | Test results | 
| 1 | CHECKS ON POSITIONING OF KNOB | All OK | Problems encountered | Operation | 
|---|
|  | 5 door version;Check that the knob is correctly positioned in relation to the casing | Move on to Step 3 | Position of knob incorrect through contact with cover | Reposition the cover correctly, eliminate any excess upholstery | 
| 1 | CHECK | All OK | Problems encountered | Operation | 
|---|
|  | 3 door version;Check that the knob is correctly positioned in relation to the casing | Move on to Step 2 | Position of knob incorrect through contact with cover | Reposition the cover correctly, eliminate any excess upholstery | 
| 2 | CHECK ON POSITIONING OF ANTI-REVERSIBILITY DEVICE | All OK | Problems encountered | Operation | 
|---|
|  | 3 door version;Check that the anti-reversibility device on which the knob is fitted is correctly positioned | Move on to Step 3 | Anti-reversibility device not correctly positioned | Reposition the anti-reversibility device correctly and reattach the knob | 
| 3 | CHECK ON CORRECT OPERATION | All OK | Problems encountered | Operation | 
|---|
|  | Check that the fault is no longer present | End of diagnosis | The fault persists | Replace the backrest assembly    Op. 7045A18  FRONT SEAT BACKREST ASSEMBLY (ONE), LEFT OR RIGHT - R.R. |