Toyota Sienna 2010-2025 Owners Manual: Activating the Automatic High Beam system
Push the lever away from you with
the headlight switch in the 
position.
The Automatic High Beam indicator will come on when the headlights are turned on automatically to indicate that the system is active.
Automatic High Beam
The Automatic High Beam uses an in-vehicle camera sensor to
assess the brightness of streetlights, the lights of oncoming and
preceding vehicles, etc., and automatically turns high beam on
or off a ...
High beam automatic turning on or off conditions
When all of the following conditions are fulfilled, high beam will be
automatically turned on (after approximately 1 second):
Vehicle speed is above approximately 20 mph (32 km/h).
The area ahe ...
Other materials:
Precaution
1. NOTES FOR CLEARANCE SONAR SYSTEM
Under the following conditions, the sensor of the
clearance sonar may not operate properly:
Foreign matter such as snow or mud gets on the
sensor (the detection function will return to
normal when the foreign matter is no longer
prese ...
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 ...
Diagnostic trouble code chart
If a malfunction code is displayed during the DTC check,
check the circuit listed for that code in the table below.
(Proceed to the page given for that circuit.)
POWER BACK DOOR SYSTEM
DTC No.
Detection Item
Trouble Area
B2222
PBD Pulse Sensor Malfuncti ...