Toyota 2009 Yaris Hatchback Owner's Manual page 64

1-3. Adjustable components (seats, mirrors, steering wheel)
Removing the head restraints
n
Front seats
Rear seats (split rear seats: type A)
Rear seats (split rear seats: type B)
Rear seats (non-split rear seat)
50
Pull the head restraint up while pushing
the lock release button.
Pull the head restraint up while pushing
the lock release button.
Pull the head restraint up while pushing
the lock release button.
Pull the head restraint up while pushing
the lock release button.