HONDA 2015 Civic Si Sedan - Owner's Manual - Manual (Page 61)

uu Child Safety u Safety of Infants and Small Children
60
Safe Driving
6. Make sure the child seat is firmly secured by
rocking it forward and back and side to
side; little movement should be felt.
7. Make sure any unused seat belt that a child
can reach is buckled, the lockable retractor
is activated, and the belt is fully retracted
and locked.
1 Installing a Child Seat with a Seat Belt
To deactivate a lockable retractor, release the buckle
and allow the seat belt to wind up all the way.