Subaru 2005 Impreza Owner's Manual page 47

Seat, seatbelt and SRS airbags
5
4. To make the lap part tight, pull up on the shoulder
belt.
5. Place the lap belt as low as possible on your hips,
not on your waist.
1-20
4
HS1051BC
Adjusting the rear seat shoulder belt anchor
height (window-side seating positions only)
The shoulder belt anchor height should be adjusted to
the position best suited for you. To adjust the anchor
height, push the release button and slide the anchor
up or down. Pull down on the anchor to make sure that
it is locked in place.
Always adjust the anchor height so that the shoulder
belt passes over the middle of the shoulder without
touching the neck.
UG1075BA