Buick REGAL 1997 Manual page 250

Attach T-hook chains into
slots in the bottom of the
floor pan, just ahead of the
rear wheels, on both sides.
These slots are to be used when securing to
car-carrier equipment.
Attach a separate safety
chain around the outboard
end of both lateral arms.
I
NOTICE:
Take care not to damage the brake pipes
and cables.
5-14