Toyota Sienna 2010-2021 Owners Manual: Seat heaters
- For driver’s seat
- For front passenger’s seat
- On
The indicator light comes on. - Adjusts the seat temperature The further you move the dial upward, the warmer the seat becomes.
- The seat heaters can be used when the engine switch is in the “ON” position (vehicles without a smart key system) or IGNITION ON mode (vehicles with a smart key system).
- When not in use, move the dial fully downward. The indicator light turns off.
Heated steering
wheel
Turns the heated steering wheel
on/off
The indicator light comes on when
the heated steering wheel is operating.
The heated steering wheel can be used when the engine switch is in
IGNITI ...
Other materials:
Lumbar support adjuster assembly
INSPECTION
1. INSPECT LUMBAR SUPPORT ADJUSTER ASSEMBLY
Check operation of the lumbar support adjuster
motor.
Check if the lumbar support adjuster moves
smoothly when the battery is connected to the
lumbar support adjuster motor connector
terminal.
OK
If the r ...
ECM Power Source Circuit
DESCRIPTION
When the ignition switch is turned to the ON position, the battery voltage is
applied to terminal IGSW of
the ECM. The ECM MREL output signal causes a current to flow to the coil,
closing the contacts of the EFI
relay and supplying power to terminal +B of the ECM.
If the igniti ...
Customize parameters
1. Seat Belt Buzzer ON/OFF Setting
The seat belt buzzer ON/OFF setting, which is a setting
of the buzzer function of the combination meter, can
disable the driver side seat belt buzzer and front
passenger side seat belt buzzer.
NOTICE:
These buzzers should be on for safe driving.
Perform ...