GMC 2016 Sierra Owner's Manual page 68

vehicle have a lap-shoulder belt
except for the center front
passenger position (if equipped),
which has a lap belt. See Lap
Belt 0 70.
The following instructions explain
how to wear a lap-shoulder belt
properly.
1. Adjust the seat, if the seat is
adjustable, so you can sit up
straight. To see how, see
Seats in the Index.
2. Pick up the latch plate and pull
the belt across you. Do not let
it get twisted.
The lap-shoulder belt may lock
if you pull the belt across you
very quickly. If this happens, let
the belt go back slightly to
unlock it. Then pull the belt
across you more slowly.
If the shoulder portion of a
passenger belt is pulled out all
the way, the child restraint
locking feature may be
engaged. If this happens, let
the belt go back all the way
and start again.
Engaging the child restraint
locking feature may affect the
passenger sensing system,
if equipped. See Passenger
Sensing System 0 80.
Seats and Restraints
If the webbing locks in the latch
plate before it reaches the
buckle, tilt the latch plate flat to
unlock.
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