SMART forfour Operating Instructions Manual page 21

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Adjusting the seats
Lumbar support*
The driver's seat in addition has a lum
bar support that can be adjusted by turn
ing the adjusting wheel.
1 14 Getting acquainted
Adjusting head restraints
The height of the head restraints on all
seats can be adjusted.
Danger of injury!
If the occupant's head is not or
incorrectly supported by a head re
straint in the event of an accident, the
head or neck could sustain serious in
juries.
For this reason, never drive without the
head restraints engaged in position
and adjusted to the correct height on
all seats that are occupied.
Ensure that the back of the head is sup
ported at eye level.
Adjusting upwards
Pull the head restraint upwards.
Adjusting downwards
Press the adjustment catch (A) on the
seat and hold it tight.
> The head restraint can be pushed
down.
Removing head restraints
Pull the head restraint upwards.
> The head restraint can be pulled up
wards and removed.
Fitting head restraints
Insert the head restraint in the guides.
Press the adjustment catch (A).
> You can now insert the head re
straint.