Fault description Possible cause Troubleshooting
Seat fore/aft adjustment does not operate
after pulling or pushing the lever for seat
fore/aft adjustment.
• Lever for seat fore/aft adjustment is
defective.
• Seat fore/aft adjustment is defective.
Replace the lever for seat fore/aft
adjustment (see Chapter 3.40).
Replace the seat fore/aft adjustment
(see Chapter 3.40).
Backrest too much play or Backrest rattles in
unloaded condition.
Play in backrest locking/lock too big. Bowden pull wire for backrest
adjustment – inspection and
adjustment (Chapter 3.12).
Play in the backrest locking
mechanism – inspection and
adjustment (Chapter 3.56).