Hummer 2004 H2 - Manual (Page 284)

{ CAUTION:
These loops, when used, are under a lot of
force. Keep people away from the vicinity of
the loops and any chains or cables during use.
Always pull the vehicle straight out. Never pull
on the loops at a sideways angle. The loops
could break off and you or others could be
injured from the chain or cable snapping back.
Notice: Never use the recovery loops to tow the
vehicle. Your vehicle could be damaged and it would
not be covered by warranty.
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