2016 TOYOTA SIENNA light

531
SIENNA_OM_OM08013U_(U)
8When trouble arises
8-1. Essential informationEmergency flashers .......... 532
If your vehicle has to be stopped in an
emergency ...................... 533 8-2. Steps to take in an
emergency
If your vehicle needs to be towed ......................... 535
If you think something is wrong .............................. 539
Fuel pump shut off system ............................ 540
If a warning light turns on or a warning buzzer
sounds ............................ 541
If a warning message is displayed ......................... 550
If you have a flat tire (vehicles with
run-flat tires) .................... 566
If you have a flat tire (vehicles with a compact
spare tire) ........................ 568
If the engine will not start ................................. 582
If the shift lever cannot be shifted from P ............. 584
If the electronic key does not operate properly
(vehicles with a smart
key system) ..................... 585
If the battery is discharged ...................... 587
If your vehicle overheats ... 591
If the vehicle becomes stuck ............................... 594

532
SIENNA_OM_OM08013U_(U)
8-1. Essential information
Emergency flashers
Press the switch.
All the turn signal lights will flash.
To turn them off, press the switch
once again.
■Emergency flashers
If the emergency flashers are used for a long time while the engine is not
operating, the battery may discharge.
The emergency flashers are used to warn other drivers when the
vehicle has to be stopped in th e road due to a breakdown, etc.

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SIENNA_OM_OM08013U_(U)
8
When trouble arises
8-2. Steps to take in an emergency
If a warning light turns on or a warning
buzzer sounds
Calmly perform the following actions if any of the warning lights
comes on or flashes. If a light comes on or flashes, but then
goes off, this does not necessarily indicate a malfunction in the
system. However, if this continues to occur, have the vehicle
inspected by your Toyota dealer.
Warning light and warning buzzer list
Warning lightWarning light/Details/Actions
(U.S.A.)
(Canada)
Brake system warning light (warning buzzer)*1
Indicates that:
• The brake fluid level is low; or
• The brake system is malfunctioning This light also comes on when the parking brake is not
released. If the light turns off after the parking brake is
fully released the system is operating normally.
 Immediately stop the vehicle in a safe place and con-
tact your Toyota dealer. Continuing to drive the vehi-
cle may be dangerous.
Charging system warning light*2
Indicates a malfunction in the vehicle’s charging system
 Immediately stop the vehicle in a safe place and con-
tact your Toyota dealer.
Low engine oil pressure warning light (warning
buzzer)
*2
Indicates that the engine oil pressure is too low.
 Immediately stop the vehicle in a safe place and con-
tact your Toyota dealer.
(U.S.A.)
(Canada)
Malfunction indicator lamp Indicates a malfunction in:
• The electronic engine control system;
• The electronic throttle control system;
• The electronic automatic transaxle control system
 Have the vehicle inspected by your Toyota dealer
immediately.

5428-2. Steps to take in an emergency
SIENNA_OM_OM08013U_(U)
SRS warning lightIndicates a malfunction in:
• The SRS airbag system;
• The front passenger occupant classification system; or
• The seat belt pretensioner system
 Have the vehicle inspected by your Toyota dealer
immediately.
(U.S.A.)
(Canada)
ABS warning light Indicates a malfunction in:
• The ABS; or
• The brake assist system
 Have the vehicle inspected by your Toyota dealer
immediately.
Electric power steering system warning light (warning
buzzer)
Indicates a malfunction in the EPS (Electric Power
Steering) system
 Have the vehicle inspected by your Toyota dealer
immediately.
(Flashes)
Pre-collision system warning light*2
Indicates a malfunction in the PCS (Pre-Collision System)
The warning light will operate as follows, even when the
system is not malfunctioning:
• The light will flash quickly when the system is operating.
(P. 298)
• The light will turn on when the pre-collision braking is disabled. ( P. 299)
• The light will turn on when the system cannot tempo-
rarily be used. ( P. 560)
 Have the vehicle inspected by your Toyota dealer
immediately.
Slip indicator
Indicates a malfunction in:
• The VSC (Vehicle Stability Control) system;
• The TRAC (Traction Control) system; or
• The hill-start assist control system
*2
The light will flash when the VSC or the TRAC system is
operating.
 Have the vehicle inspected by your Toyota dealer
immediately.
Warning lightWarning light/Details/Actions

5438-2. Steps to take in an emergency
SIENNA_OM_OM08013U_(U)
8
When trouble arises
Open door warning light (warning buzzer)*2, 3
Indicates that one or more of the doors or the back door is
not fully closed
 Check that all the doors and the back door are
closed.
Low fuel level warning light
Indicates that remaining fuel is approximately 3.0 gal.
(11.4 L, 2.5 Imp.gal.) or less
 Refuel the vehicle.
Seat belt reminder light (warning buzzer)*4
Warns the driver and/or front passenger to fasten their
seat belts
 Fasten the seat belt.
If the front passenger’s seat is occupied, the front
passenger’s seat belt also needs to be fastened to
make the warning light (warning buzzer) turn off.
Master warning light
A buzzer sounds and the warning light comes on and
flashes to indicate that the master warning system has
detected a malfunction.
 P. 550
Tire pressure warning light
When the light comes on:
Low tire inflation pressure such as
• Natural causes ( P. 545)
• Flat tire ( P. 566, 568)
 Adjust the tire inflation pressure to the specified
level.
The light will turn off after a few minutes. In case
the light does not turn off even if the tire inflation
pressure is adjusted, have the system checked by
your Toyota dealer.
When the light comes on after blinking for 1 minute:
Malfunction in the tire pressure warning system
(  P. 546)
 Have the system checked by your Toyota dealer.
Third seat warning light*2
Indicates that the third seat operation is not yet complete.
 Complete the third seat operation ( P. 159)
Warning lightWarning light/Details/Actions

5458-2. Steps to take in an emergency
SIENNA_OM_OM08013U_(U)
8
When trouble arises
■SRS warning light
This warning light system monitors the airbag sensor assembly, front impact
sensors, side impact sensors (front door), side impact sensors (rear), driver’s
seat position sensor, driver’s seat belt buckle switch, front passenger occu-
pant classification system (ECU and sensors), “AIR BAG ON” indicator light,
“AIR BAG OFF” indicator light, front passenger’s seat belt buckle switch, seat
belt assemblies, airbags, interconnecting wiring and power sources. ( P. 36)
■ Front passenger detection sensor, seat belt reminder and warning
buzzer
● If luggage is placed on the front passenger seat, the front passenger detec-
tion sensor may cause the warning light to flash and the warning buzzer to
sound even if a passenger is not sitting in the seat.
● If a cushion is placed on the seat, the sensor may not detect a passenger,
and the warning light may not operate properly.
■ If the malfunction indicator la mp comes on while driving
First check the following:
● Is the fuel tank empty?
If it is, fill the fuel tank immediately.
● Is the fuel tank cap loose?
If it is, tighten it securely.
The light will go off after several driving trips.
If the light does not go off even after several trips, contact your Toyota dealer
as soon as possible.
■ Electric power steering system warning light (warning buzzer)
When the battery charge becomes insufficient or the voltage temporarily
drops, the electric power steering system warning light may come on and the
warning buzzer may sound.
■
When the tire pressure warning light comes on
Check the tire inflation pressure and adjust to the appropriate level. Push-
ing the tire pressure warning reset switch will not turn off the tire pressure
warning light.
■The tire pressure warning light may come on due to natural causes
The tire pressure warning light may come on due to natural causes such
as natural air leaks and tire inflation pressure changes caused by temper-
ature. In this case, adjusting the ti re inflation pressure will turn off the
warning light (after a few minutes).

5468-2. Steps to take in an emergency
SIENNA_OM_OM08013U_(U)■
When a tire is replaced with a spare tire (vehicles with compact spare
tire)
The compact spare tire is not equipped with a tire pressure warning valve
and transmitter. If a tire goes flat,
the tire pressure warning light will not
turn off even though the flat tire has been replaced with the spare tire.
Replace the spare tire with the repaired tire and adjust the tire inflation
pressure. The tire pressu re warning light will go off after a few minutes.
■Conditions that the tire pressure warning system may not function
properly
 P. 4 9 7
■If the tire pressure warning light frequently comes on after blinking
for 1 minute
If the tire pressure warning light frequently comes on after blinking for 1
minute when the engine switch is turned to the “ON” position (vehicles
without a smart key system) or IGNI TION ON mode (vehicles with a
smart key system), have it checked by your Toyota dealer.
■ Customization that can be co nfigured at Toyota dealer
The vehicle speed linked seat belt reminder buzzer can be disabled.
(Customizable features P. 630) However, Toyota recommends that the seat
belt reminder buzzer be operational to alert the driver and front passenger
when seat belts are not fastened.
■ Warning buzzer
In some cases, the buzzer may not be heard because of noisy place or an
audio sound.

5478-2. Steps to take in an emergency
SIENNA_OM_OM08013U_(U)
8
When trouble arises
WARNING
■If both the ABS and the brake system warning lights remain on
Stop your vehicle in a safe place immediately and contact your Toyota
dealer. The vehicle will become extrem ely unstable during braking, and the
ABS system may fail, which could cause an accident resulting in death or
serious injury.
■ When the electric power steerin g system warning light comes on
The steering wheel may become extremely heavy.
If the steering wheel becomes heavie r than usual when operating, hold
firmly and operate using more force than usual.
■
If the tire pressure warning light comes on
Be sure to observe the following precautions. Failure to do so could
cause a loss of vehicle control and result in death or serious injury.
Vehicles with standard tires:
●Stop your vehicle in a safe place as soon as possible. Adjust the tire
inflation pressure immediately.
●If the tire pressure warning light comes on even after tire inflation pres-
sure adjustment, it is probable that you have a flat tire. Check the tires.
If a tire is flat, change it with th e spare tire and have the flat tire
repaired by the nearest Toyota dealer.
●Avoid abrupt maneuvering and braking. If the vehicle tires deteriorate,
you could lose control of the steering wheel or the brakes.
Vehicles with run-flat tires:
●Decelerate to the lowest appropriate speed as soon as possible. Do
not drive over 50 mph (80 km/h).
●Check and adjust the tire inflation pressure immediately.
●If the tire pressure warning light comes on even after tire inflation pres-
sure adjustment, it is probable that you have a flat tire. Have the tire
replaced by the nearest Toyota dealer.
●Avoid abrupt maneuvering and braking. If the vehicle tires deteriorate,
you could lose control of the steering wheel or the brakes.
■If a blowout or sudden air leakage should occur
The tire pressure warning system may not activate immediately.