2014 TOYOTA SIENNA run flat

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)

815
6-1. Specifications
6
Vehicle specifications
SIENNA_OM_OM45483U_(U)
Run-flat tire (RFT) or standard tire
( P. 759)
This vehicle can be equipped with eit her run-flat tires (RFT) or stan-
dard tires. An “RFT” or “DSST” mark is molded on the sidewall of
the run-flat tire.
Tire ply composition and materials
Plies are layers of rubber-coated parallel cords. Cords are the
strands which form the plies in a tire.
Radial tires or bias-ply tires
A radial tire has “RADIAL” on the sidewall. A tire not marked
“RADIAL” is a bias-ply tire.
TUBELESS or TUBE TYPE
A tubeless tire does not have a tube and air is directly put into the
tire. A tube type tire has a tube inside the tire and the tube main-
tains the air pressure.
Load limit at maximum cold tire inflation pressure ( P. 693)
Maximum cold tire in flation pressure ( P. 807)
This means the pressure to which a tire may be inflated.
Summer tires or all season tires ( P. 694)
An all season tire has “M+S” on the sidewall. A tire not marked
“M+S” is a summer tire.
“TEMPORARY USE ONLY” ( P. 769)
A compact spare tire is identified by the phrase “TEMPORARY USE
ONLY” molded on its sidewall. This tire is designed for temporary
emergency use only.

817
6-1. Specifications
6
Vehicle specifications
SIENNA_OM_OM45483U_(U)
Tire size
■ Typical tire size information
The illustration indicates typical tire size.
Tire use
(P = Passenger car,
T = Temporary use)
Section width (millimeters)
Aspect ratio
(tire height to section width)
Tire construction code
(R = Radial, D = Diagonal)
Wheel diameter (inches)
Load index (2 or 3 digits)
Speed symbol
(alphabet with one letter)
Run-flat tire code
■ Tire dimensions
Section width
Tire height
Wheel diameter

826 6-1. Specifications
SIENNA_OM_OM45483U_(U)
Tire related termMeaning
Reinforced tire A tire designed to operate at higher loads and
at higher inflation pressures than the corre-
sponding standard tire
Section width The linear distance between the exteriors of
the sidewalls of an inflated tire, excluding ele-
vations due to labeling, decoration, or protec-
tive bands
Sidewall That portion of a tire between the tread and
bead
Sidewall separation The parting of the rubber compound from the
cord material in the sidewall
Snow tire A tire that attains a traction index equal to or
greater than 110, compared to the ASTM E-
1136 Standard Reference Test Tire, when
using the snow traction test as described in
ASTM F-1805-00, Standard Test Method for
Single Wheel Driving Traction in a Straight Line
on Snow-and Ice-Covered Surfaces, and which
is marked with an Alpine Symbol ( ) on at
least one sidewall
Te s t r i m The rim on which a tire is fitted for testing, and
may be any rim listed as appropriate for use
with that tire
Tread That portion of a tire that comes into contact
with the road
Tread rib A tread section running circumferentially
around a tire
Tread separation Pulling away of the tread from the tire carcass

855
Abbreviation list
SIENNA_OM_OM45483U_(U)
ABBREVIATIONSMEANING
I/M Emission inspection and maintenance
LATCH Lower Anchors and Tethers for Children
LED Light Emitting Diode
MAX Maximum MIN Minimum
MMT Methylcyclopentadienyl Manganese Tricarbonyl
M + S Mud and Snow
MTBE Methyl Tertiary Butyl Ether OBD On Board Diagnostics
PCS Pre-Collision System RFT Run-Flat Tire
SRS Supplemental Restraint System
TIN Tire Identification Number
TPMS Tire Pressure Warning System TRAC Traction Control
TWR Trailer Weight RatingVAR Variation
VDIM Vehicle Dynamics Integrated Management
VIN Vehicle Identification Number
VSC Vehicle Stability Control

867
SIENNA_OM_OM45483U_(U)
What to do if...
What to do if...
A tire puncturesP. 759/P. 7 6 1If you have a flat tire
The engine does not start
P. 776If the engine will not start
P. 160Engine immobilizer system
P. 784If the battery is discharged
The shift lever cannot be
moved outP. 778If the shift lever cannot be shifted
from P
The engine coolant temperature
gauge enters the red zone
Steam can be seen coming
from under the hood
P. 790If your vehicle overheats
The key is lostP. 780If you lose your keys
The battery runs outP. 784If the battery is discharged
The doors cannot be locked
P. 6 0Front doors
P. 6 7Siding doors
P. 8 2Back door
The horn begins to soundP. 163Alarm
The vehicle is stuck in
mud or sandP. 793If the vehicle becomes stuck