Hummer 2007 H3 - Manual (Page 145)

2. Remove the end cap. 3. Pull the lever labeled “PULL” from left to right
to loosen the crossrail.
4. Repeat Steps 1 through 3 to the opposite end
of the crossrail.
5. Once both sides of the crossrail are loose,
adjust the crossrail to the desired position.
6. Push the lever labeled “PULL” from right to
left to lock the crossrail in place.
7. Reinstall end cap and lock by turning the key
clockwise.
8. Repeat Steps 5 through 7 to the opposite end
of the crossrail.
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