Chevrolet 2008 Equinox Owner's Manual page 30

5. To make the lap part tight, pull up on the
shoulder belt.
It may be necessary to pull stitching on the
safety belt through the latch plate to fully
tighten the lap belt on smaller occupants.
1-26
To unlatch the belt, just push the button on the buckle.
For outboard seating positions, when the safety
belt is not in use, slide the latch plate up the safety
belt webbing. The latch plate should rest on the
stitching on the safety belt, near the guide loop.
Before you close a door, be sure the belt is out of
the way. If you slam the door on it, you can damage
both the belt and your vehicle.