2017 TOYOTA SIENNA engine

509
SIENNA_OM_OM08007U_(U)
7-3. Do-it-yourself maintenance
7
Maintenance and care
Air conditioning filter
Turn the engine switch to the “LOCK” position (vehicles without a
smart key system) or off (vehic les with a smart key system).
Open the glove box. Slide off
the damper.
Push in each side of the glove
box to disconnect the claws.
Remove the filter cover.
The air conditioning filter must be changed regularly to maintain
air conditioning efficiency.
Removal method
1
2
3
4

514
SIENNA_OM_OM08007U_(U)
7-3. Do-it-yourself maintenance
Checking and replacing fuses
Turn the engine switch to the “LOCK” position (vehicles without a
smart key system) or off (vehic les with a smart key system).
Open the fuse box cover.
Remove the fuse.
Only type A fuses can be removed
using the pullout tool.
If any of the electrical components do not operate, a fuse may
have blown. If this happens, check and replace the fuses as nec-
essary.
1
2
Engine compartmentDriver’s side instrument panel
Push the tab in and lift the lid off. Remove the lid.
3

SIENNA_OM_OM08007U_(U)
5237-3. Do-it-yourself maintenance
7
Maintenance and care
■Fog lights (if equipped)Remove the engine under
cover bolt and pull down the
engine under cover.
Unplug the connector while
pushing the lock release.
Turn the bulb base counter-
clockwise.
1
2
3

524
SIENNA_OM_OM08007U_(U)
7-3. Do-it-yourself maintenance
Install a new light bulb.
Align the 3 tabs on the light bulb
with the mounting and insert.
Turn clockwise and secure
the bulb base.
Install the connector.
Shake the connector gently to
check that it is not loose, turn
the fog lights on once and visu-
ally confirm that no light is leak-
ing through the mounting.
When installing the engine under cover, reverse the step .
4
5
6
71

535
SIENNA_OM_OM08007U_(U)
8When trouble arises
8-1. Essential informationEmergency flashers .......... 536
If your vehicle has to be stopped in an
emergency ...................... 537 8-2. Steps to take in an
emergency
If your vehicle needs to be towed ......................... 539
If you think something is wrong .............................. 543
Fuel pump shut off system ............................ 544
If a warning light turns on or a warning buzzer
sounds ............................ 545
If a warning message is displayed ......................... 554
If you have a flat tire (vehicles with
run-flat tires) .................... 570
If you have a flat tire (vehicles with a compact
spare tire) ........................ 572
If the engine will not start ................................. 586
If the electronic key does not operate properly
(vehicles with a smart
key system) ..................... 588
If the battery is discharged ...................... 590
If your vehicle overheats ........................ 594
If the vehicle becomes stuck ............................... 597

536
SIENNA_OM_OM08007U_(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.

537
SIENNA_OM_OM08007U_(U)
8
When trouble arises
8-1. Essential information
If your vehicle has to be stopped in an emergency
Steadily step on the brake pedal with both feet and firmly depress it.
Do not pump the brake pedal repeatedly as this will increase the effort
required to slow the vehicle.
Shift the shift lever to N.
If the shift lever is shifted to N
After slowing down, stop the vehicle in a safe place by the road.
Stop the engine.
If the shift lever cannot be shifted to N
Keep depressing the brake pedal with both feet to reduce vehicle
speed as much as possible.
Vehicles without a smart key
system: Stop the engine by
turning the engine switch to the
“ACC” position.
Vehicles with a smart key sys-
tem: To stop the engine, press
and hold the engine switch for 2
consecutive seconds or more,
or press it briefly 3 times or
more in succession.
Stop the vehicle in a safe place by the road.
Only in an emergency, such as if it becomes impossible to stop
the vehicle in the normal way, st op the vehicle using the follow-
ing procedure:
1
2
3
4
3
4
Press and hold for 2 seconds or
more or press briefly 3 times or
more
R

5388-1. Essential information
SIENNA_OM_OM08007U_(U)
WARNING
■If the engine has to be turned off while driving
●Power assist for the brakes and steering wheel will be lost, making the
brake pedal harder to depress and the steering wheel heavier to turn.
Decelerate as much as possible before turning off the engine.
● Vehicles without a smart key system: Never attempt to remove the key, as
doing so will lock the steering wheel.