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Toyota Sienna 2010-2018 Owners Manual: Active head restraints

Toyota Sienna. Active head restraints


When the occupant’s lower back presses against the seatback during a rear-end collision, the head restraint moves slightly forward and upward to help reduce the risk of whiplash on the seat occupant

Active head restraints

Even small forces applied to the seatback may cause the head restraint to move. When a locked head restraint is pushed up forcibly, the head restraint inner structure may appear. This does not indicate a problem.

Toyota Sienna. Active head restraints


WARNING

When adjusting the seat position

  • Take care when adjusting the seat position to ensure that other passengers are not injured by the moving seat.
  • Do not put your hands under the seat or near the moving parts to avoid injury.

    Fingers or hands may become jammed in the seat mechanism.

  • Make sure to leave enough space around the feet so they do not get stuck.

Seat adjustment

  • Be careful that the seat does not hit passengers or luggage.
  • To reduce the risk of sliding under the lap belt during a collision, do not recline the seat more than necessary.

    If the seat is reclined too far, the lap belt may slide past the hips and apply restraint forces directly to the abdomen or your neck may contact the shoulder belt, increasing the risk of death or serious injury in the event of an accident.

    Adjustments should not be made while driving as the seat may unexpectedly move and cause the driver to lose control of the vehicle.

  • Manual seat: After adjusting the seat, make sure that the seat is locked in position.
Adjustment procedure
Manual seat Seat position adjustment lever Seatback angle adjustment lever Vertical height adjustment lever (driver’s side only) Lumbar support adjustment switch (driver’s side ...

Rear seats
...

Other materials:

On-vehicle inspection
1. CHECK AUTO SLIDE-OPEN / CLOSE FUNCTION Check that the sliding roof switch can operate the sliding roof glass as follows while the tilt-up / DOWN function is not operating. Standard HINT: The sliding roof stops partway when the sliding roof switch is pushed on either side during AU ...

Short to B+ in Door System Communication Bus Malfunction/ Short to GND in Door System Communication Bus Malfunction
DTC B1214 Short to B+ in Door System Communication Bus Malfunction DTC B1215 Short to GND in Door System Communication Bus Malfunction DESCRIPTION DTCs B1214 and B1215 are output when a short to +B or the body ground occurs on the communication bus. Detecting this condition disables all the ...

Check for short circuit
(a) If the wire harness is ground shorted (Fig. 5), locate the section by conducting a resistance check with the body ground (below).   (b) Check the resistance with the body ground. (1) Disconnect connectors A and C and measure the resistance. Standard resistance (Fig. 6) HIN ...

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