brakes TOYOTA xB 2012 (in English) User Guide

298 5-2. Steps to take in an emergency
Scion_xB_U_(OM12F39U)
CAUTION
■When the electric power steerin g system warning light comes on
The steering wheel may become extremely heavy.
If the steering wheel becomes heavier than usual when operating, hold
firmly and operate using more force than usual.
■
If the tire pressure warning light comes on
Be sure to observe the following precautions. Failure to do so could
cause a loss of vehicle control and result in death or serious injury.
●Stop your vehicle in a safe place as soon as possible. Adjust the tire
inflation pressure immediately.
●If the tire pressure warning light comes on even after tire inflation pres-
sure adjustment, it is pr obable that you have a flat tire. Check the tires.
If a tire is flat, change it with th e spare tire and have the flat tire
repaired by the nearest Scion dealer.
●Avoid abrupt maneuvering and braking. If the vehicle tires deteriorate,
you could lose control of the steering wheel or the brakes.
■If a blowout or sudden air leakage should occur
The tire pressure warning syste m may not activate immediately.

5
When trouble arises
313
5-2. Steps to take in an emergency
Scion_xB_U_(OM12F39U)
CAUTION
■Replacing a flat tire
Observe the following precautions to reduce the risk of death or serious
injury:
●Do not touch the disc wheels or the area around the brakes immedi-
ately after the vehicle has been driven.
After the vehicle has been driven the disc wheels and the area around
the brakes will be extremely hot.
Touching these areas with hands, feet
or other body parts while changing a tire, etc. may result in burns.
●Have the wheel nuts tightened with a torque wrench to 76 ft•lbf
(103 N
•m, 10.5 kgf•m) as soon as possible after changing wheels.
●When installing a tire, only use whee l nuts that have been specifically
designed for that wheel.
●If there are any cracks or deformatio ns in the bolt screws, nut threads
or bolt holes of the wheel, have the vehicle inspected by your Scion
dealer.
Failure to follow these precautions could cause the wheel nuts to loosen
and the tire to fall off, result ing in death or serious injury.
■When installing the wheel nuts
Be sure to install the wheel nuts with the tapered end facing inward.
( P. 249)
■After using the tools and jack
Before driving, make sure all the tools and jack are securely in place in
their storage location to reduce the po ssibility of personal injury during a
collision or sudden braking.
■When stowing the flat tire
●Make sure the rear seats are in their original position.
●When carrying the flat tire, secure it using a tire tie-down belts. Other-
wise, the flat tire may fly out in case of the sudden braking or an acci-
dent, resulting in death or serious injury.

328 5-2. Steps to take in an emergency
Scion_xB_U_(OM12F39U)
CAUTION
■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.
● Never attempt to remove the key, as doing so will lock the steering wheel.

338 6-1. Specifications
Scion_xB_U_(OM12F39U)
Brakes
*1: Minimum pedal clearance when depressed with a force of 66 lbf (294 N,30 kgf) while the engine is running
*2: Parking brake lever travel when pulled up with a force of 45 lbf (200 N,20 kgf)
Steering
Tires and wheels
Pedal clearance*13.4 in. (87 mm)
Pedal free play 0.04  0.24 in. (1  6 mm)
Brake pad wear limit 0.06 in. (1.5 mm)
Parking brake lever travel*25  8 clicks
Fluid type SAE J1703 or FMVSS No.116 DOT 3
Free playLess than 1.2 in. (30 mm)
Tire sizeP205/55R16 89H, T135/70D17 102M
(spare)
Front and rear tire inflation
pressure
(Recommended cold tire
inflation pressure)Driving under normal conditions
Front:
35 psi (240 kPa, 2.4 kgf/cm2 or bar)
Rear:
32 psi (220 kPa, 2.2 kgf/cm
2 or bar)
Spare:
60 psi (420 kPa, 4.2 kgf/cm
2 or bar)
Wheel size 16  6 1/2 J, 17  4T (spare)
Wheel nut torque 76 ft•lbf (103 N•m, 10.5 kgf•m)

349
6-1. Specifications
6
Vehicle specifications
Scion_xB_U_(OM12F39U)
Grades B and A represent higher levels of performance on the labo-
ratory test wheel than the minimum required by law.
Warning: The temperature grades of a tire assume that is properly
inflated and not overloaded.
Excessive speed, underinflation, or
excessive loading, either sepa-
rately or in combination, can caus e heat buildup and possible tire fail-
ure.
Glossary of tire terminology
Tire related termMeaning
Cold tire inflation pres-
sure Tire pressure when the vehicle has been
parked for three hours or more, or has not
been driven more than 1 mile or 1.5 km under
that condition
Maximum inflation
pressure The maximum cold inflated
pressure to which a
tire may be inflated, s hown on the sidewall of
the tire
Recommended infla-
tion pressure Cold tire inflation pressure recommended by a
manufacturer
Accessory weight The combined weight (in excess of those stan-
dard items which may be replaced) of auto-
matic transmission, power steering, power
brakes, power windows, power seats, radio
and heater, to the extent that these items are
available as factory-installed equipment
(whether installed or not)
Curb weight The weight of a motor vehicle with standard
equipment, including the maximum capacity of
fuel, oil and coolant, and if so equipped, air
conditioning and additional weight optional
engine

350 6-1. Specifications
Scion_xB_U_(OM12F39U)
Tire related termMeaning
Maximum loaded vehi-
cle weight The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight
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