BMW 530XD - Manual (Page 45)

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4 Backrest *
Additional, depending on seat:
1 Backrest width *
2 Shoulder support *
3 Thigh support *
4 Lumbar support * , see further below
Shoulder support: the adjustable upper section
of the seat back supports the shoulder area of
the occupant's body. This results in a relaxed
seated position and reduces the load on the
shoulder muscles.
Adjusting lumbar support*
The seat back contour can be altered to provide
more support to the curved, lumbar section of
the spine.
The upper edge of the pelvis and the spinal col-
umn are supported, to encourage an upright but
relaxed seated position.
> To increase or reduce the curvature: press
switch at front or rear edge.
> To move the curved section up or down:
press switch at top or bottom.
Active backrest width adjustment*
First adjust the width of the backrest to a com-
fortable position, see further above. Using the
selected backrest width as the basis, lateral
support is automatically adapted to the current
driving situation.
The extent to which the backrest is adjusted
and the speed with which this takes place
depend on the program. You can choose from
three programs, ranging from comfortable to
sporty.
Each press of the button switches between the
programs:
> "Comfort" program: one LED
> "Normal" program: two LEDs
> "Sport" program: three LEDs
To switch off: press and hold down button.
Easy entry/exit*
To facilitate entry and exit, the backrest width is
temporarily opened fully.
Online Edition for Part-No. 01 41 0 159 725 © 09/05 BMW AG