Toyota Sienna 2010-2025 Owners Manual: Installing child restraints using a seat belt (child restraint lock
function belt)
Rear facing - Infant seat/convertible seat

- Place the child restraint system
on the rear seat facing
the rear of the vehicle.

- Run the seat belt through the
child restraint system and
insert the plate into the
buckle. Make sure that the
belt is not twisted.

- Fully extend the shoulder belt
and allow it to retract to put it
in lock mode. In lock mode,
the belt cannot be extended.

- While pushing the child
restraint system down into
the rear seat, allow the
shoulder belt to retract until
the child restraint system is
securely in place.
After the shoulder belt has
retracted to a point where there
is no slack in the belt, pull the
belt to check that it cannot be
extended.
Forward facing - Convertible seat

- Place the child restraint system
on the seat facing the
front of the vehicle.

- Run the seat belt through the
child restraint system and
insert the plate into the
buckle. Make sure that the
belt is not twisted.

- Fully extend the shoulder belt
and allow it to retract to put it
in lock mode. In lock mode,
the belt cannot be extended.

- While pushing the child
restraint system into the rear
seat, allow the shoulder belt
to retract until the child
restraint system is securely
in place.
After the shoulder belt has
retracted to a point where there
is no slack in the belt, pull the
belt to check that it cannot be
extended.
- If the child restraint has a top tether strap, the top tether strap
should be latched onto the top tether strap anchor.
Booster seat

- Place the child restraint system
on the seat facing the
front of the vehicle.

- Sit the child in the child
restraint system. Fit the seat
belt to the child restraint system
according to the manufacturer’s
instructions and
insert the plate into the
buckle. Make sure that the
belt is not twisted.
Check that the shoulder belt is correctly positioned over the child’s
shoulder and that the lap belt is as low as possible.
Manual seat
Fold the seatback while pulling
the strap. Return the seatback
and secure it at the 1st lock
position (most upright position).
Adjust the seatback to the
11th lock p ...
Push the buckle release button
and fully retract the seat belt.
...
Other materials:
Seat belt warning system
PARTS LOCATION
Problem symptoms table
SEAT BELT WARNING SYSTEM
Symptom
Suspected Area
Driver side seat belt waning light does not operate
Fuse
Combination meter
Center airbag sensor assembly
Front seat inner belt assembly
Wire harness
...
Cruise control main switch
COMPONENTS
Removal
1. DISCONNECT BATTERY NEGATIVE TERMINAL
2. REMOVE STEERING WHEEL COVER LOWER NO.2
(24)
3. REMOVE STEERING WHEEL COVER LOWER NO.3
(24)
4. REMOVE HORN BUTTON ASSEMBLY
5. REMOVE CRUISE CONTROL MAIN SWITCH
Disconnect the connectors.
Remove the 2 ...
Installation
1. INSTALL CRANKSHAFT POSITION SENSOR
Apply a light coat of engine oil to the O-ring on the
crankshaft position sensor.
Install the crankshaft position sensor with the bolt.
Torque: 9.0 N*m (92 kgf*cm, 80 in.*lbf)
Connect the crankshaft position sensor connector.
...