FORD 2015 F-550 v.1 - Manual (Page 35)

Use only extensions manufactured by the
same supplier as the safety belt.
Manufacturer identification is located at
the end of the webbing on the label. Also,
use the safety belt extension only if the
safety belt is too short for you when fully
extended.
SAFETY BELT HEIGHT
ADJUSTMENT
WARNING
Position the safety belt height
adjuster so that the belt rests across
the middle of your shoulder. Failure
to adjust the safety belt properly could
reduce the effectiveness of the safety belt
and increase the risk of injury in a crash.
E145664
Adjust the height of the shoulder belt so
the belt rests across the middle of your
shoulder.
To adjust the shoulder belt height:
1. Pull the button and slide the height
adjuster up or down.
2. Release the button and pull down on
the height adjuster to make sure it is
locked in place.
SAFETY BELT WARNING LAMP
AND INDICATOR CHIME
This lamp illuminates and an
audible warning will sound if the
driver's safety belt has not been
fastened when the vehicle's ignition is
turned on.
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Super Duty (), enUSA
Safety Belts