Chevrolet 2003 Monte Carlo Owner's Manual page 13

Head Restraints
Seatback Latches
There is a latch located on
the lower back of the front
seat that enables the
front seatback to
fold forward.
This allows more room for entry and exit of rear seat
passengers.
Adjust your head restraint so that the top of the restraint
is closest to the top of your head. This position
reduces the chance of a neck injury in a crash.
To fold the locked seatback forward, push the seatback
toward the rear and lift the latch. The seatback will
fold forward. The latch must be down for the seat to
work properly.
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