Seat functions and operation
Lumbar support
The curve of the backrest cushion can be in-
dividually adjusted by pressing the upper and
lower switches.
This increases both the seating comfort and
the performance of the driver.
Backrest adjustment
The backrest is adjusted using the locking
lever (arrow).
The locking lever must latch into the
desired position. It should not be possible to
move the backrest into another position when
it is locked.
Fore/aft isolator
Under certain driving conditions (for example
with a trailer attached), it is useful to activate
the fore/aft isolator. This means that shock
impacts in the driving direction can be better
absorbed by the driver seat.
Position 1 = fore/aft isolator off
Position 2 = fore/aft isolator on
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