Chevrolet 2006 HHR Owner's Manual page 17

4. Move the safety belt out of the way before lowering
the seatback. Do not let the safety belt get caught
between the seatback and seat cushion as the
seatback is folded.
6. Keep folding the seatback forward until it lies flat.
5. Pull up on the knob
located on the top
of the seatback on
the outboard side to
release the seatback.
With your other hand,
pull the seatback
forward.
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