GMC 2009 Savana - Manual (Page 30)

Shoulder Belt Height Adjuster
The vehicle has a shoulder belt height adjuster for the
driver and right front passenger 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 of the shoulder.
Improper shoulder belt height adjustment could reduce
the effectiveness of the safety belt in a crash.
To move it down, pull on
the center adjuster control
labeled PULL. You can
move the height adjuster
up just by pushing up
on the shoulder belt guide.
After the adjuster is set to the desired position, try to
move it down without pushing in to make sure it
has locked into position.
Safety Belt Pretensioners
If the GVWR (Gross Vehicle Weight Rating) of the
vehicle is below 8,500 lb (3 855 kg) then the vehicle has
safety belt pretensioners for the front outboard
occupants. See Loading the Vehicle on page 4-18 to
locate the certification label which contains the GVWR.
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, near frontal, or rear
crash if the threshold conditions for pretensioner
activation are met. And, if the vehicle has side impact
airbags, safety belt pretensioners can help tighten
the safety belts in a side crash or a rollover event.
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