The sides of the backrest can be adjusted to provide side support. Both the multi-function control on the seat and the centre display can be used in order to change the settings. The range of settings is shown in the centre display.
To adjust the side support:
Activate the multi-function control by turning the it up/down 
. The seat settings view will be shown in the centre display.
- Press the front section of the four-way button to increase side support
. - Press the rear section of the four-way button to decrease side support
.