BUICK LUCERNE 2010 Workshop Manual

Q: What is wrong with this?
A:The shoulder belt is too loose. It will not give as
much protection this way.
{WARNING:
You can be seriously hurt if your shoulder belt is
too loose. In a crash, you would move forward too
much, which could increase injury. The shoulder
belt should fit snugly against your body.
2-19

Q: What is wrong with this?
A:The lap belt is too loose. It will not give nearly as
much protection this way.
{WARNING:
You can be seriously hurt if your lap belt is too
loose. In a crash, you could slide under the lap
belt and apply force on your abdomen. This could
cause serious or even fatal injuries. The lap belt
should be worn low and snug on the hips, just
touching the thighs.
2-20

Q: What is wrong with this?
A:The belt is buckled in the wrong buckle.
{WARNING:
You can be seriously injured if your belt is buckled
in the wrong place like this. In a crash, the belt
would go up over your abdomen. The belt forces
would be there, not on the pelvic bones. This
could cause serious internal injuries. Always
buckle your belt into the buckle nearest you.
2-21

Q: What is wrong with this?
A:The belt is over an armrest.
{WARNING:
You can be seriously injured if your belt goes over
an armrest like this. The belt would be much too
high. In a crash, you can slide under the belt. The
belt force would then be applied on the abdomen,
not on the pelvic bones, and that could cause
serious or fatal injuries. Be sure the belt goes
under the armrests.
2-22

Q: What is wrong with this?
A:The shoulder belt is worn under the arm. It should
be worn over the shoulder at all times.
{WARNING:
You can be seriously injured if you wear the
shoulder belt under your arm. In a crash, your
body would move too far forward, which would
increase the chance of head and neck injury.
Also, the belt would apply too much force to the
ribs, which are not as strong as shoulder bones.
You could also severely injure internal organs like
your liver or spleen. The shoulder belt should go
over the shoulder and across the chest.
2-23

Q: What is wrong with this?
A:The belt is behind the body.
{WARNING:
You can be seriously injured by not wearing the
lap-shoulder belt properly. In a crash, you would
not be restrained by the shoulder belt. Your body
could move too far forward increasing the chance
of head and neck injury. You might also slide
under the lap belt. The belt force would then be
applied right on the abdomen. That could cause
serious or fatal injuries. The shoulder belt should
go over the shoulder and across the chest.
2-24

Q: What is wrong with this?
A:The belt is twisted across the body.
{WARNING:
You can be seriously injured by a twisted belt. In a
crash, you would not have the full width of the belt
to spread impact forces. If a belt is twisted, make
it straight so it can work properly, or ask your
dealer to fix it.
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Lap-Shoulder Belt
All seating positions in the vehicle have a lap-shoulder
except for the center front passenger position (if
equipped), which has a lap belt. SeeLap Belt
on
page 2‑32for more information.
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, just let the belt
go back all the way and start again.
Engaging the child restraint locking feature in the
right front seating position may affect the
passenger sensing system. See Passenger
Sensing System
on page 2‑67for more
information.
3. Push the latch plate into the buckle until it clicks.
If the latch plate will not go fully into the buckle,
check if the correct buckle is being used.
Pull up on the latch plate to make sure it is secure.
If the belt is not long enough, see Safety Belt
Extender
on page 2‑33.
Position the release button on the buckle so that
the safety belt could be quickly unbuckled if
necessary.
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4. If equipped with a shoulder belt height adjuster,move it to the height that is right for you. See
“Shoulder Belt Height Adjustment” later in this
section for instructions on use and important safety
information.
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.
To unlatch the belt, push the button on the buckle. The
belt should return to its stowed position. Slide the latch
plate up the safety belt webbing when the safety belt is
not in use. The latch plate should rest on the stitching
near the guide loop on the side wall.
Before a door is closed, be sure the safety belt is out of
the way. If a door is slammed against a safety belt,
damage can occur to both the belt and the vehicle.
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Shoulder Belt Height Adjuster
The vehicle has a shoulder belt height adjuster for the
driver and right front passenger seating positions.
Adjust the height so that the shoulder portion of the belt
is centered on the shoulder. The belt should be away
from the face and neck, but not falling off the shoulder.
Improper shoulder belt height adjustment could reduce
the effectiveness of the safety belt in a crash.
Press the release
button (A) and move the
height adjuster to the
desired position. The
adjuster can be moved up
by pushing up on the
shoulder belt guide.
After the adjuster is set to the desired position, try to
move it down without pressing the release button to
make sure it has locked into position.
Safety Belt Pretensioners
This vehicle has safety belt pretensioners for front
outboard occupants. Although the safety belt
pretensioners cannot be seen, they are part of the
safety belt assembly. They can help tighten the safety
belts during the early stages of a moderate to severe
frontal or near frontal crash if the threshold conditions
for pretensioner activation are met. And, if your vehicle
has side impact airbags, safety belt pretensioners can
help tighten the safety belts in a side crash.
Pretensioners work only once. If the pretensioners
activate in a crash, they will need to be replaced, and
probably other new parts for the vehicle's safety belt
system. See Replacing Restraint System Parts After a
Crash on page 2‑75.
2-28