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137
3-3. Adjusting the seats
3
Operation of each component
4RUNNER (U)
When the occupant’s lower back
presses against the seatback
during a rear-end collision, the
head restraint moves slightly for-
ward and upward to help reduce
the risk of whiplash to the seat
occupant.
■ The auto away function for exiting the driver seat
If the seat is already close to the rearmost position, the auto away function
may not operate when the driver exits the vehicle.
■ Active head restraints
Even small forces applied to the seatback may cause the head restraint to
move. Pushing up a locked head restraint forcibly may appear the head
restraint inner structure. These do not indicate problems.
Active head restraints
Inner
structure
During
rear-end
collision
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