Buick PARKAVENUE 1994 Manual page 208

Rear Towing Hookups
Attach "T" hook chains to
the slots in the bottom of
the floor pan of the rear
wheels on both sides.
Position the lower sling crossbar directly under the rear
bumper. A 4" x 4" wood beam is not needed.
Attach a separate safety chain around the outboard end
of each lower control arm.
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