GMC 2003 Sierra - Manual (Page 333)

A CAUTION:
These hooks, when usedj arc under a lot of
force. Always pull the vehicle straight out.
Never pull on the hooks at a sideways angle.
The hooks could break off and you or others
could tie injured from the chain or cable
snapping back.
Notice: Never use recovery hooks to low the
vehicle. Your vehicle could be ctafnaged and tt would
not be covered by warranty.
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