2011 INFINITI EX tire pressure

SIZE COLD TIREINFLATION
PRESSURE
FRONT
ORIGINAL TIRE P225/
55R18 97V
230 kPa,
33 PSI
P245/
45R19 98V 230 kPa,
33 PSI
REAR
ORIGINAL TIRE P225/
55R18 97V
230 kPa,
33 PSI
P245/
45R19 98V 230 kPa,
33 PSI
SPARE TIRE T165/
80R17 420 kPa,
60 PSI
T165/
80D17 420 kPa,
60 PSI
TIRE LABELING
Federal law requires tire manufacturers
to place standardized information on the
sidewall of all tires. This information
identifies and describes the fundamen-
tal characteristics of the tire and also
provides the tire identification number
(TIN) for safety standard certification.
The TIN can be used to identify the tire in
case of a recall.
1Tire size (example: P215/60R16 94H)
1.P: The “P” indicates the tire is de-
signed for passenger vehicles. (Not all
tires have this information.)
2.Three-digit number (215): This num-
ber gives the width in millimeters of
the tire from sidewall edge to side-
wall edge.
3.Two-digit number (60): This number,
known as the aspect ratio, gives the
tire’s ratio of height to width.
4.R: The “R” stands for radial.
Example
SDI1575
Example
SDI1606
Maintenance and do-it-yourself8-31

5.Two-digit number (16): This number is
the wheel or rim diameter in inches.
6.Two- or three-digit number (94): This
number is the tire’s load index. It is a
measurement of how much weight
each tire can support. You may not
find this information on all tires be-
cause it is not required by law.
7.H: Tire speed rating. You should not
drive the vehicle faster than the tire
speed rating.
2TIN (Tire Identification Number) for a
new tire (example: DOT XX XX XXX
XXXX)
1.DOT: Abbreviation for the “Depart-
ment of Transportation”. The symbol
can be placed above, below or to the
left or right of the Tire Identification
Number.
2.Two-digit code: Manufacturer’s iden-
tification mark
3.Two-digit code: Tire size
4.Three-digit code: Tire type code (Op-
tional)
5.Three-digit code: Date of Manufacture
6.Four numbers represent the week and
year the tire was built. For example,
the numbers 3103 means the 31st
week of 2003. If these numbers are
missing, then look on the other side-
wall of the tire.
3Tire ply composition and material
The number of layers or plies of
rubber-coated fabric in the tire.
Tire manufacturers also must indi-
cate the materials in the tire, which
include steel, nylon, polyester, and
others.
4Maximum permissible inflation pres-
sure This number is the greatest amount
of air pressure that should be put in
the tire. Do not exceed the maximum
permissible inflation pressure.
Example
SDI1607
8-32Maintenance and do-it-yourself

CHANGING WHEELS AND TIRES
Tire rotation
INFINITI recommends rotating the tires
every 7,500 miles (12,000 km). (See
“FLAT TIRE” in the “6. In case of emer-
gency” section for tire replacing proce-
dures.)
As soon as possible, tighten the wheel
nuts to the specified torque with a torque
wrench.Wheel nut tightening torque:
80 ft-lb (108 N·m)
The wheel nuts must be kept tightened to
the specification at all times. It is recom-
mended that wheel nuts be tightened to
the specification at each tire rotation in-
terval.
WARNING
●After rotating the tires, check and ad-
just the tire pressure.
●Retighten the wheel nuts when the ve-
hicle has been driven for 600 miles
(1,000 km) (also in cases of a flat tire,
etc.).
●Do not include the T-type spare tire or
any other small size spare tire in the tire
rotation.
●For additional information regarding
tires, refer to “Important Tire Safety In-
formation” (US) or “Tire Safety Informa-
tion” (Canada) in the Warranty Informa-
tion Booklet.
1. Wear indicator
2. Wear indicator location mark
Tire wear and damage
WARNING
●Tires should be periodically inspected
for wear, cracking, bulging or objects
caught in the tread. If excessive wear,
cracks, bulging or deep cuts are found,
the tire(s) should be replaced.
SDI1662SDI1663
Maintenance and do-it-yourself8-35

●The original tires have built-in tread
wear indicators. When wear indicators
are visible, the tire(s) should be
replaced.
●Tires degrade with age and use. Have
tires, including the spare, over 6 years
old checked by a qualified technician,
because some tire damage may not be
obvious. Replace the tires as necessary
to prevent tire failure and possible per-
sonal injury.
●Improper service of the spare tire may
result in serious personal injury. If it is
necessary to repair the spare tire, con-
tact an INFINITI retailer.
●For additional information regarding
tires, refer to “Important Tire Safety In-
formation” (US) or “Tire Safety Informa-
tion” (Canada) in the Warranty Informa-
tion Booklet.
Replacing wheels and tires
When replacing a tire, use the same size, tread
design, speed rating and load carrying capacity
as originally equipped. (See “SPECIFICATIONS”
in the “9. Technical and consumer information”
section for recommended types and sizes of
tires and wheels.)
WARNING
● The use of tires other than those recom-
mended or the mixed use of tires of different
brands, construction (bias, bias-belted or ra-
dial), or tread patterns can adversely affect
the ride, braking, handling, ground clear-
ance, body-to-tire clearance, tire chain
clearance, speedometer calibration, head-
light aim and bumper height. Some of these
effects may lead to accidents and could re-
sult in serious personal injury. ●
If the wheels are changed for any reason,
always replace with wheels which have the
same off-set dimension. Wheels of a differ-
ent off-set could cause premature tire wear,
degrade vehicle handling characteristics
and/or interference with the brake
discs/drums. Such interference can lead to
decreased braking efficiency and/or early
brake pad/shoe wear. See “WHEELS AND
TIRES” in the “9. Technical and consumer
information” section of this manual for
wheel off-set dimensions.
● When a spare tire is mounted or a wheel is
replaced, the TPMS will not function and the
low tire pressure warning light will flash for
approximately 1 minute. The light will re-
main on after 1 minute. Contact your INFINITI
retailer as soon as possible for tire replace-
ment and/or system resetting.
● Replacing tires with those not originally
specified by INFINITI could affect the proper
operation of the TPMS.
● Do not install a damaged or deformed wheel
or tire even if it has been repaired. Such
wheels or tires could have structural damage
and could fail without warning.
● The use of retread tire is not recommended.
8-36Maintenance and do-it-yourself

●For additional information regarding tires,
refer to “Important Tire Safety Information”
(US) or “Tire Safety Information” (Canada) in
the Warranty Information Booklet.
All-Wheel Drive (AWD) models
CAUTION
● Always use tires of the same type, size,
brand, construction (bias, bias-belted or ra-
dial), and tread pattern on all four wheels.
Failure to do so may result in a circumference
difference between tires on the front and
rear axles which will cause excessive tire
wear and may damage the transmission,
transfer case and differential gears.
● ONLY use spare tires specified for the AWD
model.
If excessive tire wear is found, it is recom-
mended that all four tires be replaced with tires
of the same size, brand, construction and tread
pattern. The tire pressure and wheel alignment
should also be checked and corrected as nec-
essary. Contact an INFINITI retailer.
Wheel balance
Unbalanced wheels may affect vehicle handling
and tire life. Even with regular use, wheels can
get out of balance. Therefore, they should be
balanced as required.
Wheel balance service should be performed with
the wheels off the vehicle. Spin balancing the
wheels on the vehicle could lead to mechanical
damage.
For additional information regarding tires, refer
to “Important Tire Safety Information” (US) or
“Tire Safety Information” (Canada) in the
INFINITI Warranty Information Booklet.
Care of wheels
See “CLEANING EXTERIOR” in the “7. Appear-
ance and care” section for details about care of
the wheels.
Spare tire (TEMPORARY USE ONLY
(T-type) spare tire)
Observe the following precautions if the T-type
spare tire must be used, otherwise your vehicle
could be damaged or involved in an accident.
WARNING
● The T-type spare tire should be used for
emergency use. It should be replaced with
the standard tire at the first opportunity to
avoid possible tire or differential damage.
● Drive carefully while the TEMPORARY USE
ONLY spare tire is installed. Avoid sharp
turns and abrupt braking while driving.
● Periodically check spare tire inflation pres-
sure. Always keep the pressure of the TEM-
PORARY USE ONLY spare tire at 60 psi (420
kPa, 4.2 bar). Always keep the pressure of
the full size spare tire (if so equipped) at the
recommended pressure for standard tires,
as indicated on the Tire and Loading Infor-
mation label. For Tire and Loading Informa-
tion label location, see “Tire and Loading
Information label” in the index of this
manual.
● With the TEMPORARY USE ONLY spare tire
installed do not drive your vehicle at speeds
faster than 50 MPH (80 km/h).
● When driving on roads covered with snow or
ice, the TEMPORARY USE ONLY spare tire
should be used on the front wheels and origi-
nal tire used on the rear wheels (drive
wheels). Use tire chains only on the two rear
original tires.
Maintenance and do-it-yourself8-37

WHEELS AND TIRES
Road wheel
TypeSize Offset in (mm)
Conventional 18 × 8J 1.85 (47)
19×8J
Spare 17 × 4T 1.18 (30)
Tire
TypeSize Pressure PSI (kPa) [Cold]
Conventional P225/55R18
33 (230)
P245/45R19
Spare (T-type) T165/80R17
60 (420)
T165/80D17
9-8Technical and consumer information

F.M.V.S.S./C.M.V.S.S. CERTIFICATION
LABEL
The Federal/Canadian Motor Vehicle Safety
Standards (F.M.V.S.S./C.M.V.S.S.) certification
label is affixed as shown. This label contains
valuable vehicle information, such as: Gross
Vehicle Weight Ratings (GVWR), Gross Axle
Weight Rating (GAWR), month and year of
manufacture, Vehicle Identification Number
(VIN), etc. Review it carefully.
EMISSION CONTROL INFORMATION
LABEL
The emission control information label is at-
tached as shown.
TIRE AND LOADING INFORMATION
LABEL
The cold tire pressure is shown on the Tire and
Loading Information label affixed to the pillar as
illustrated.
STI0493STI0422STI0567
Technical and consumer information9-11

Intelligent Key battery discharge indicator . .2-24
Intelligent Key insertion indicator.......2-23
Intelligent Key removal indicator ........2-23
Intelligent Key system ..............3-6
Battery replacement .............8-22
Key operating range .............3-8
Key operation ................ .3-9
Warning light ................ .2-14
Warning signals ............... .3-11
Intelligent Key warning light ..........2-14
Interior light control switch ...........2-55
Interior light replacement ............8-26
Interior lights .................. .2-54
iPod player operation .............4-79
ISOFIX child restraint ..............1-22
J
Jump starting .................. .6-8
K
Keyless entry (See remote keyless entry
system) ..................... .3-13
Keys ........................ .3-2
For Intelligent Key system ..........3-6
L
Labels Air bag warning labels ............1-49
Air conditioner specification label .....9-12
Emission control information label .....9-11
Engine serial number ............9-10 F.M.V.S.S./C.M.V.S.S. certification label . .9-11
Tire and Loading information label .8-29, 9-11
Vehicle identification number (VIN) . . . .9-10
Lane Departure Prevention (LDP) ON indicator
light ....................... .2-18
Lane Departure Prevention (LDP) system . . .5-20
Lane departure warning (LDW) system .....5-18
Lane Departure Warning (LDW) system/Lane
Departure Prevention (LDP) system .......5-17
Lane departure warning chime .........2-20
Lane departure warning light ..........2-14
LATCH system .................. .1-22
License plate, Installing front license plate . .9-12
Lift gate ..................... .3-16
Light Air bag warning light ............1-49
Bulb

replacement ............. .8-24
Cargo light ................. .2-56
Fog light switch .............. .2-39
Headlight switch .............. .2-35
Headlights bulb replacement ........8-25
Indicator lights ............... .2-17
Interior light control switch .........2-55
Interior lights ................ .2-54
Map lights ................. .2-54
Personal lights ............... .2-55
Replacement ................ .8-24
Vanity mirror lights .............2-56
Warning/indicator lights and audible
reminders .................. .2-12
Xenon headlights ............. .2-34
Lights, Exterior and interior light
replacement .................. .8-26
Loading information (See vehicle loading
information) ................... .9-13Lock
Automatic door locks .............3-5
Door locks .................. .3-4
Lift gate lock ................ .3-16
Power door lock ............... .3-4
Locking with mechanical key ...........3-4
Low fuel warning ................ .2-24
Low tire pressure warning light .........2-15
Low tire pressure warning system (See tire
pressure monitoring system (TPMS)) ......5-3
Low washer fluid warning ............2-24
Luggage hooks ................. .2-48
M
Maintenance Battery .................... .8-13
General maintenance .............8-2
Indicators for maintenance .........2-26
Inside the vehicle .............. .8-3
Maintenance precautions ...........8-5
Maintenance requirements . . . .......8-2
Outside the vehicle ............. .8-2
Seat

belt maintenance ............1-18
Malfunction indicator light (MIL) ........2-18
Map lights ................... .2-54
Master warning light .............. .2-16
Mechanical key (Intelligent Key system) . . . .3-3
Memory storage, Automatic drive positioner .3-26
Meter Trip computer ................ .2-27
Meters and gauges ............... .2-5
Instrument brightness control . . .....2-38
Mirror Inside mirror ................ .3-21
10-4