2017 TOYOTA SIENNA ignition

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SIENNA_OM_OM08007U_(U)
7-3. Do-it-yourself maintenance
Press and hold the tire pres-
sure warning reset switch
until the tire pressure warn-
ing light blinks slowly 3 times.
Vehicles without a smart key system: Wait for a few minutes with
the engine switch in the “ON” position and then turn the engine
switch to the “ACC” or “LOCK” position.
Vehicles with a smart key system: Wait for a few minutes with the
engine switch in IGNITION ON mode and then turn the engine
switch off.
◆Registering ID codes
The tire pressure warning valve and transmitter is equipped with a
unique ID code. When replacing a tire pressure warning valve and
transmitter, it is necessary to register the ID code. Have the ID code
registered by your Toyota dealer.
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5488-2. Steps to take in an emergency
SIENNA_OM_OM08007U_(U)
*1: Parking brake engaged warning buzzer:P. 558
*2: If equipped
*3: Open door warning buzzer:P. 555
*4: Driver’s seat belt buzzer:
The driver’s seat belt buzzer sounds to alert the driver that his or her seat
belt is not fastened. Once the engine switch is turned to the “ON” position
(vehicles without a smart key system) or IGNITION ON mode (vehicles
with a smart key system), the buzzer sounds for 6 seconds. If the vehicle
reaches a speed of 12 mph (20 km/h), the buzzer sounds once. If the
seat belt is still unfastened after 30 seconds, the buzzer will sound inter-
mittently for 10 seconds. Then, if the seat belt is still unfastened, the
buzzer will sound in a different tone for 20 more seconds.
Front passenger’s seat belt buzzer:
The front passenger’s seat belt buzzer sounds to alert the front passen-
ger that his or her seat belt is not fastened. The buzzer sounds once if the
vehicle reaches a speed of 12 mph (20 km/h). If the seat belt is still unfas-
tened after 30 seconds, the buzzer will sound intermittently for 10 sec-
onds. Then, if the seat belt is still unfastened, the buzzer will sound in a
different tone for 20 more seconds.

5588-2. Steps to take in an emergency
SIENNA_OM_OM08007U_(U)
Indicates a malfunction in the tire pressure
warning system
Stop the vehicle in a safe place and turn
the engine switch off then “ON” position
(vehicles without a smart key system) or
IGNITION ON mode (vehicles with a
smart key system) again.
If the tire pressure warning indicator
flashes for 1 minute then illuminates,
have the vehicle inspected by your Toy-
ota dealer.
Indicates that:
• The brake fluid level is low; or
• The brake system is malfunctioning
 Immediately stop the vehicle in a safe place
and contact your Toyota dealer. Continuing
to drive the vehicle may be dangerous.
Indicates that the vehicle is being driven at 3 mph
(5 km/h) or more with the parking brake still
engaged A buzzer also sounds.
 Release the parking brake.
Warning messageDetails/Actions
(U.S.A.) (Canada)
(U.S.A.) (Canada) (Flashes)

5918-2. Steps to take in an emergency
SIENNA_OM_OM08007U_(U)
8
When trouble arises
Connect the jumper cables according to the following procedures:Connect a positive jumper cable clamp to the positive (+) battery
terminal on your vehicle
Connect the clamp on the other e nd of the positive cable to the
positive (+) battery terminal on the second vehicle
Connect a negative cable clamp to the negative (-) battery termi-
nal on the second vehicle
Connect the clamp at the other end of the negative cable to a
solid, stationary, unpainted metallic point away from the battery
and any moving parts, as shown in the illustration.
Start the engine of the second vehicle. Increase the engine speed
slightly and maintain at that le vel for approximately 5 minutes to
recharge the batter y of your vehicle.
Vehicles with a smart key system only: Open and close any of the
doors of your vehicle with the engine switch off.
Maintain the engine speed of t he second vehicle and start the
engine of your vehicle by turni ng the engine switch to the “ON”
position (vehicles without a smart key system) or turning the engine
switch to IGNITION ON mode (v ehicles with a smart key system).
Once the vehicle’s engine has started, remove the jumper cables in
the exact reverse order from which they were connected.
To install the engine cover, conduct the removal procedure in
reverse. After installing, check that the fixed pins are inserted
securely.
Once the engine starts, have the vehicle inspected at your Toyota
dealer as soon as possible.4
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SIENNA_OM_OM08007U_(U)
9-1. Specifications
Cooling system
Capacity
Without towing package
12.2 qt. (11.5 L, 10.1 Imp.qt.)
With towing package
12.5 qt. (11.8 L, 10.4 Imp.qt.)
Coolant type Use either of the following.
• “Toyota Super Long Life Coolant”
• A similar high-quality ethylene glycol-basednon-silicate, non-amine, non-nitrite, and non-
borate coolant with long-life hybrid organic
acid technology
Do not use plain water alone.
Ignition system
Spark plug
Make
Gap DENSO FK20HBR8
0.03 in. (0.8 mm)
NOTICE
■
Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust spark plug gap.
Electrical system
Battery
Open voltage* at
68 F (20 C): 12.3 V or more
If the voltage is lower than the standard value,
charge the battery.
(
*: Voltage checked 20 minutes after the engine
and all the lights turned off)
Charging rates 5 A max.

650What to do if... (Troubleshooting)
SIENNA_OM_OM08007U_(U)
What to do if... (Troubleshooting)
●If you lose your keys or mechanical keys, new genuine keys or mechanical
keys can be made by your Toyota dealer. (P. 107)
●If you lose your keys or electronic keys, the risk of vehicle theft increases
significantly. Contact your Toyota dealer immediately. ( P. 109)
●Is the key battery weak or depleted? (P. 511)
●Vehicles with a smart key system
Is the engine switch in IGNITION ON mode?
When locking the doors, turn the engine switch off. ( P. 229)
●Vehicles with a smart key system
Is the electronic key left inside the vehicle?
When locking the doors, make sure that you have the electronic key on
your person.
●The function may not operate properly due to the condition of the radio
wave. (P. 107, 145)
●Is the child-protector lock set?
The sliding door cannot be opened from inside the vehicle when the lock is
set. Open the sliding door from outside and then unlock the child-protector
lock. (P. 125)
If you have a problem, check the following before contacting
your Toyota dealer.
The doors cannot be locked, unlocked, opened or closed
You lose your keys
The doors cannot be locked or unlocked
The sliding door cannot be opened

651What to do if... (Troubleshooting)
SIENNA_OM_OM08007U_(U)
●Is the shift lever in P? (P. 225)
●Is the steering wheel unlocked? ( P. 226)
●Is the battery discharged? (P. 590)
●Did you press the engine switch while firmly depressing the brake pedal?
( P. 228)
●Is the shift lever in P? ( P. 228)
●Is the electronic key anywhere detectable inside the vehicle? ( P. 143)
●Is the steering wheel unlocked? (P. 231)
●Is the electronic key battery weak or depleted?
In this case, the engine can be started in a temporary way. ( P. 588)
●Is the battery discharged? (P. 590)
●Is the engine switch in the “ON” position (vehicles without a smart key sys-
tem) or IGNITION ON mode (vehicles with a smart key system)?
If you cannot release the shift lever by depressing the brake
pedal with the engine switch in the “ON” position (vehicles without a smart
key system) or IGNITION ON mode (vehicles with a smart key system).
( P. 238)
If you think something is wrong
The engine does not start
(vehicles without a smart key system)
The engine does not start
(vehicles with a smart key system)
The shift lever cannot be shifted from P even if you depress
the brake pedal

652What to do if... (Troubleshooting)
SIENNA_OM_OM08007U_(U)
●Vehicles without a smart key system:
It is locked to prevent theft of the vehicle if the key is removed from the
engine switch. (P. 226)
●Vehicles with a smart key system:
It is locked automatically to prevent theft of the vehicle. ( P. 231)
●Is the window lock switch pressed?
The power window except for the one at the driver’s seat cannot be oper-
ated if the window lock switch is pressed. (P. 184)
●The auto power off function will be operated if the vehicle is left in ACCES-
SORY or IGNITION ON mode (the engine is not operating) for a period of
time. ( P. 230)
The steering wheel cannot be turned after the engine is
stopped
The windows do not open or close by operating the power
window switches
The engine switch is tu rned off automatically
(vehicles with a smart key system)