Fiat 2016 500X Owner's Manual page 224

222 SAFETY
3. Slide the latch plate upward over the folded webbing.
The folded webbing must enter the slot at the top of
the latch plate.
4. Continue to slide the latch plate up until it clears the
folded webbing and the seat belt is no longer twisted.
Adjustable Upper Shoulder Belt Anchorage
In the driver and front passenger seats, the top of the
shoulder belt can be adjusted upward or downward to
position the seat belt away from your neck. Push or
squeeze the anchorage button to release the anchorage,
and move it up or down to the position that serves you
best.
Adjustable Anchorage Up
As a guide, if you are shorter than average, you will
prefer the shoulder belt anchorage in a lower position,
and if you are taller than average, you will prefer the
shoulder belt anchorage in a higher position. After you
release the anchorage button, try to move it up or down
to make sure that it is locked in position.