2012 TOYOTA MATRIX tire size

476 6-1. Specifications
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)
■ Tire dimensions
Section width
Tire height
Wheel diameter

480 6-1. Specifications
Tire related termMeaning
Normal occupant
weight 150 lb. (68 kg) times the number of occupants
specified in the second column of Table 1
* that
follows
Occupant distribution Distribution of occupants in a vehicle as speci-
fied in the third column of Table 1
* below
Production options
weight The combined weight of installed regular pro-
duction options weighing over 5 lb. (2.3 kg) in
excess of the standard items which they
replace, not previously considered in curb
weight or accessory weight, including heavy
duty brakes, ride levelers, roof rack, heavy duty
battery, and special trim
Rim A metal support for a tire or a tire and tube
assembly upon which the tire beads are seated
Rim diameter
(Wheel diameter) Nominal diameter of the bead seat
Rim size designation Rim diameter and width
Rim type designation The industry manufacturer's designation for a
rim by style or code
Rim width Nominal distance between rim flanges
Vehicle capacity
weight (Total load
capacity) The rated cargo and luggage load plus 150 lb.
(68 kg) times the vehicl
e's designated seating
capacity
Vehicle maximum load
on the tire The load on an individual tire that is determined
by distributing to each axle its share of the
maximum loaded vehicle weight, and dividing
by two
Vehicle normal load
on the tire The load on an individual tire that is determined
by distributing to each axle its share of curb
weight, accessory weight, and normal occu-
pant weight (distributed in accordance with
Ta b l e 1
* below), and dividing by two

487
6
Vehicle specifications
6-3. Initialization
Items to initialize
ItemWhen to initializeReference
Maintenance data
(U.S.A. only) After the maintenance is performed P. 337
Tire pressure warning
system (if equipped) • When rotating the tires on vehicles
differing with front and rear tire infla-
tion pressure.
• When changing the tire size. P. 366
The following items must be initia
lized for normal system operation
in cases such as after maintenance is performed on the vehicle.

512 Alphabetical index
SunshadeRoof.........................................62
Switch Emergency flasher switch ..... 404
Engine switch ........................ 118
Fog light switch ..................... 141
Hazard light switch ................404
Ignition switch........................ 118
Light switches........................ 138
Power door lock switch ...........31
Power window switch ..............59
Window lock switch .................59
Wiper and washer switch ...... 143
Tachometer............................... 132
Tail lights Replacing light bulbs ............. 394
Switch.................................... 138
Wattage ................................. 469
Talk switch................................ 267
Telephone switch ..................... 267
Theft deterrent system Engine immobilizer system .....68
Theft prevention labels..............70
Tie-down belts .......................... 318
Tire inflation pressure ............. 374
Tire information Glossary ................................ 479
Size ....................................... 476
Tire identification number ...... 475
Uniform tire quality
grading ................................ 477 Tires
Chains ................................... 161
Checking ............................... 365
If you have a flat tire.............. 424
Inflation pressure .................. 374
Inflation pressure sensor....... 366
Replacing .............................. 424
Rotating tires ......................... 365
Size ....................................... 467
Snow tires ............................. 161
Spare tire .............................. 424
Tonneau cover ......................... 320
Tools ......................................... 424
Total load capacity .................. 160
Towing Dinghy towing ............... 181, 182
Trailer towing ................ 165, 166
TRAC ......................................... 153
Traction control ....................... 153
Trip meter ................................. 132
Turn signal lights Replacing light bulbs ............. 394
Switch ................................... 129
Wattage................................. 469
Vanity mirrors .......................... 308
Vehicle control and operation data recording ........ 19
Vehicle identification number ................................... 455
Vehicle stability control .......... 153
VSC ........................................... 153
T
V