GMC 2003 Yukon Denali User Manual page 276

I
These hooks, when used, are under a 1st 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 be injured
from
the chain or cable
snapping back.
Notice: Never use recovery hooks to tow the
vehicle. Your vehicle could be damaged and it would
not be covered by warranty.
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