Toyota 2009 4runner Owner's Manual page 88

Second seats (vehicles with third seats)
Lock release button
Third seats
Lock release button
Removing the head restraints
n
1-3. Adjustable components (seats, mirrors, steering wheel)
Pull the head restraint up while pushing
the lock release button.
Vertical adjustment
Up
Down
Push and hold the lock release
button when lowering the head
restraint.
Vertical adjustment
Up
Down
Push and hold the lock release
button when lowering the head
restraint.
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