Chevrolet 2010 Corvette Convertible Owner's Manual page 61

The manufacturer's instructions that come with the
booster seat, state the weight and height limitations for
that booster. Use a booster seat with a lap-shoulder belt
until the child passes the below fit test:
Sit all the way back on the seat. Do the knees
bend at the seat edge? If yes, continue. If no,
return to the booster seat.
Buckle the lap-shoulder belt. Does the shoulder
belt rest on the shoulder? If yes, continue. If no,
then return to the booster seat.
Does the lap belt fit low and snug on the hips,
touching the thighs? If yes, continue. If no, return
to the booster seat.
Can proper safety belt fit be maintained for the
length of the trip? If yes, continue. If no, return to
the booster seat.
An older child should wear a lap-shoulder belt and
get the additional restraint a shoulder belt can
provide. The shoulder belt should not cross the face
or neck. The lap belt should fit snugly below the
hips, just touching the top of the thighs. This applies
belt force to the child's pelvic bones in a crash.
It should never be worn over the abdomen, which
could cause severe or even fatal internal injuries
in a crash.
According to accident statistics, children and infants are
safer when properly restrained in rear seating positions
than in the front seating positions.
In a crash, children who are not buckled up can strike
other people who are buckled up, or can be thrown out
of the vehicle. Older children need to use safety belts
properly.
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