Buick RIVIERA 1993 Manual page 20

Front Seatback Latches
To fold
a
seatback forward, push the seatback toward the
Your seatback will move back and forth freely, unless
you come to a sudden stop. Then it will lock in place.
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There's one time the seatback
may
not fold without
some help from you. That's if your vehicle is parked
going down a fairly steep
b
hill.
I
1 A
CAUTION:
'
If the seatback isn't locked, it could move
forward in a sudden stop or crash. That ca
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1
cause injury to the person sitting there. Always
press rearward on the seatback to be sure it is
locked in place.