Chevrolet Cruze Owner's Manual page 46

42 Seats, restraints
Height adjustment
1. Pull belt out slightly.
2. Press button.
3. Adjust height and engage.
Adjust the height so that the belt lies
across the shoulder. It must not lie
across the throat or upper arm.
Do not adjust while driving.
Removing
To release belt, press red button on belt
buckle.
Seat belts on the rear seats
The three point seat belt for the rear
centre seat can only be withdrawn from
the retractor if the backrest is in the rear
position.