Page 688 of 872
688
4-3. Do-it-yourself maintenance
SIENNA_OM_OM45483U_(U)
Tires
Replace or rotate tires in accordance with maintenance sched-
ules and treadwear.
■Checking tires
New tread
Treadwear indicator
Worn tread
The location of treadwear
indicators is shown by the
“TWI” or “ ” marks, etc.,
molded on the sidewall of
each tire.
Vehicles with compact spare
tire: check spare tire condi-
tion and pressure if not
rotated.
Page 761 of 872
5
When trouble arises
761
5-2. Steps to take in an emergency
SIENNA_OM_OM45483U_(U)
If you have a flat tire (vehicles with standard tires)
Remove the flat tire and replace it with the spare tire provided.
■Before jacking up the vehicle
●Stop the vehicle on a hard, flat surface.
● Set the parking brake.
● Shift the shift lever to P.
● Stop the engine.
● Turn on the emergency flashers.
■ Location of the spare tire, jack and tools
Spare tire Jack
Wheel nut wrench
Jack handle Tire bag
Adapter socket
Tire strap
Page 769 of 872
5
When trouble arises
769
5-2. Steps to take in an emergency
SIENNA_OM_OM45483U_(U)
Clip clasp to outboard hook.
Clip other clasp to center or
opposite hook location.
Pull strap to tighten and secure
tire.
STEP3
STEP4
STEP5
■The compact spare tire
●The compact spare tire is identifi
ed by the label “TEMPORARY USE
ONLY” on the tire sidewall.
Use the compact spare tire temporarily, and only in an emergency.
●Make sure to check the tire inflation pressure of the compact spare
tire. ( P. 808)
Page 814 of 872
814
6-1. Specifications
SIENNA_OM_OM45483U_(U)
Tire infor mation
Typical tire symbols
Run-flat tire or standard tire
Compact spare tireTire size ( P. 817)
DOT and Tire Identification Number (TIN) ( P. 816)
Uniform tire quality grading
For details, see “Uniform Tire Quality Grading” that follows.
Location of treadwear indicators ( P. 688)
Page 864 of 872

864 Alphabetical index
SIENNA_OM_OM45483U_(U)
Spare tireInflation pressure................... 808
Storage location .................... 761
Spark plug ................................ 803
Specifications........................... 798
Speech command switch ........ 551
Speedometer ............................ 246
Steering wheel Adjustment ............................ 138
Audio switches ...................... 479
Column lock release...... 229, 235
Stop lights
Replacing light bulbs ............. 724
Storage feature......................... 588
Storage precautions ................365
Stuck If your vehicle becomes stuck ................................... 793
Sunshades Rear door .............................. 619
Roof....................................... 151
Sun visors................................. 606
Switch
Engine switch ................ 228, 231
Fog light switch ..................... 284
Ignition switch................ 228, 231
Light switches........................ 270
Power back door .....................82
Power door lock switch ...........61
Power window switch .... 145, 149
Window lock switch ............... 145
Wiper and washer switch .......................... 286, 294 Tachometer .............................. 246
Tail lights
Replacing light bulbs ............. 724
Switch ................................... 270
Wattage................................. 809
Talk switch ............................... 551
Telephone switch..................... 551
Theft deterrent system Alarm..................................... 163
Engine immobilizer system ... 160
Theft prevention labels ........... 167
Tire inflation pressure ............. 699
Tire information Glossary ................................ 821
Size ....................................... 807
Tire identification number...... 816
Uniform tire quality grading................................ 818
Tires Chains ................................... 369
Checking ............................... 688
If you have a flat tire...... 759, 761
Inflation pressure .................. 699
Information ............................ 814
Replacing .............................. 761
Rotating tires ......................... 689
Size ....................................... 807
Snow tires ............................. 369
Tire pressure warning system ........................ 688, 748
Tools ......................................... 761
Total load capacity .................. 368T