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TABLE OF CONTENTSIndex
6
SIENNA_OM_OM45472U_(U)
4-1. Maintenance and careCleaning and protecting the vehicle exterior ........... 646
Cleaning and protecting the vehicle interior ............ 651
4-2. Maintenance Maintenance requirements .................... 655
General maintenance ......... 658
Emission inspection and maintenance (I/M)
programs .......................... 662
4-3. Do-it-yourself maintenance Do-it-yourself service precautions ...................... 663
Hood................................... 667
Positioning a floor jack ....... 669
Engine compartment .......... 671
Tires ................................... 688
Tire inflation pressure......... 699
Wheels ............................... 703
Air conditioning filter ........... 706
Wireless remote control/ electronic key battery ....... 709
Checking and replacing fuses ................................ 712
Light bulbs .......................... 725 5-1. Essential information
Emergency flashers ............ 738
If your vehicle needs to be towed ....................... 739
If you think something is wrong ............................ 743
Fuel pump shut off system .............................. 744
5-2. Steps to take in an emergency If a warning light turns on or a warning
buzzer sounds... ............... 745
If a warning message is displayed ....................... 760
If you have a flat tire (vehicles with
run-flat tires) ..................... 761
If you have a flat tire (vehicles with
standard tires) .................. 763
If the engine will not start .... 778
If the shift lever cannot be shifted from P ................... 780
If you lose your keys ........... 782
If the electronic key does not operate properly ......... 783
If the battery is discharged ........................ 786
If your vehicle overheats..... 791
If the vehicle becomes stuck ................................. 794
If your vehicle has to be stopped in
an emergency ................... 796
4Maintenance and care5When trouble arises
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549
3-5. Using the hand
s-free phone system (for cellular phone)
3
Interior features
SIENNA_OM_OM45472U_(U)
■Steering wheel telephone switches
Vo l u m e
The voice guidance volume
cannot be adjusted using
this button.
Hands-free phone system
off/ends a call/refuses a call
Hands-free phone system
on/starts a call
Press: Voice command sys-
tem on
Press and hold: Voice com-
mand system off
■ Microphone
Page 645 of 876
Maintenance and care4
645
SIENNA_OM_OM45472U_(U)
4-1. Maintenance and careCleaning and protecting the vehicle exterior ......... 646
Cleaning and protecting the vehicle interior .......... 651
4-2. Maintenance Maintenance requirements .................. 655
General maintenance....... 658
Emission inspection and maintenance
(I/M) programs ............... 662
4-3. Do-it-yourself maintenance Do-it-yourself service precautions .................... 663
Hood ................................ 667
Positioning a floor jack ..... 669
Engine compartment ........ 671
Tires ................................. 688
Tire inflation pressure ...... 699
Wheels ............................. 703
Air conditioning filter......... 706
Wireless remote control/ electronic key battery ..... 709
Checking and replacing fuses .............................. 712
Light bulbs........................ 725
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664 4-3. Do-it-yourself maintenance
SIENNA_OM_OM45472U_(U)
ItemsParts and tools
Engine oil levelP. 673)
• “Toyota Genuine Motor Oil” or
equivalent
• Rag or paper towel
• Funnel (used only for adding engine oil)
Fuses (P. 712)• Fuse with same amperage rating
as original
Light bulbs (P. 725)
• Bulb with same number and watt-
age rating as original
• Phillips-head screwdriver
• Flathead screwdriver
• Wrench
Radiator and condenser (P. 680)
Tire inflation pressure ( P. 699)• Tire pressure gauge
• Compressed air source
Washer fluid (P. 687)
• Water or washer fluid containing
antifreeze (for winter use)
• Funnel (used only for adding water or washer fluid)
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712
4-3. Do-it-yourself maintenance
SIENNA_OM_OM45472U_(U)
Checking and replacing fuses
If any of the electrical components do not operate, a fuse may have
blown. If this happens, check and replace the fuses as necessary.
Vehicles without a smart key system
Turn the engine switch off.
Vehicles with a smart key system
Turn the “ENGINE START STOP” switch OFF.
Open the fuse box cover.
Engine compartment Push the tab in and lift the lid
off.
Driver’s side instrument panel Remove the lid.STEP1
STEP2
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713
4-3. Do-it-yourself maintenance
4
Maintenance and care
SIENNA_OM_OM45472U_(U)
After a system failure, see “Fuse layout and amperage rat-
ings” (
P. 715) for details about which fuse to check.
Take out the pullout tool.
Only type A fuses can be
removed using the pullout tool.
Check if the fuse has blown.
Ty p e A Normal fuse
Blown fuse
Replace the blown fuse with a
new fuse of an appropriate
amperage rating. The amper-
age rating can be found on the
fuse box lid.
Ty p e BNormal fuse
Blown fuse
Replace the blown fuse with a
new fuse of an appropriate
amperage rating. The amper-
age rating can be found on the
fuse box lid.
STEP3
STEP4
STEP5
12
ITY42C012
12
ITY42C013
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717
4-3. Do-it-yourself maintenance
4
Maintenance and care
SIENNA_OM_OM45472U_(U)
FuseAmpereCircuit
24 FAN 60 A Electric cooling fans
25 HAZ 15 A Turn signal lights, gauges and
meters
26 RSE 15 A Rear seat entertainment system
27 MIRROR
*310 A Outside rear view mirror control,
outside rear view mirror heaters
28 AMP 30 A Audio system
29 VSC NO.2 30 A Vehicle dynamics integrated man-
agement, ABS, vehicle stability
control
30 ST 30 A Starting system
31 P/I 40 A Horn, left-hand headlight (low
beam), right-hand headlight (low
beam)
32 H-LP MAIN
*140 A Discharge headlight
SPARE
*430 A Spare-fuse
33 AM2
*530 A “ST NO.2”, “GAUGE NO.2” and
“IG2” fuses
34 VSC NO.1 50 A Vehicle dynamics integrated man-
agement, ABS, vehicle stability
control
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719
4-3. Do-it-yourself maintenance
4
Maintenance and care
SIENNA_OM_OM45472U_(U)
*1: Vehicles with discharge headlights only
*2: Vehicles with a 1AR-FE engine only
*3: Vehicles with a 2GR-FE engine only
*4: Vehicles without discharge headlights only
*5: Vehicles without a smart key system only
*6: Vehicles with a smart key system only
FuseAmpereCircuit
43 INJ 25 A Multiport fuel injection system/
sequential multiport fuel injection
system, “IG NO.2” and “IG2” fuses
44 ECU-B NO.2 7.5 A Air conditioning system
45 AM2 NO.2
*67.5 A Multiplex communication system,
starting system
46 EFI NO.1 25 A Multiport fuel injection system/
sequential multiport fuel injection
system, “ECT” and “EFI NO.2”
fuses
47 SMART
*65 A Smart key system
48 DRL 30 A Daytime running light system, “H-
LP LH (HI)” and “H-LP RH (HI)”
fuses
49 EPS 60 A Electric power steering