2014 INFINITI Q50-HYBRID inflation pressure

8-34Maintenance and do-it-yourself
gives the tire’s ratio of height to
width.
4.R: The“R”stands for radial.
F: The “F”after “R”indicates Self-
Supporting type run-flat tire.
5.Two-digit number (16): This num-
ber 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 because it
is not required by law.
7.H: Tire speed rating. You should
not drive the vehicle faster than
the tire speed rating.
SDI1607
Example
*2TIN (Tire Identification Number)
for a new tire (example: DOT XX XX
XXX XXXX)
1.DOT: Abbreviation for the “Depart-
ment of Transportation”. The sym-
bol can be placed above, below or
to the left or right of the Tire
Identification Number.
2.Two-digit code: Manufacturer’ s
identification mark
3.Two-digit code: Tire size
4.Three-digit code: Tire type code
(Optional)
5.Three-digit code: Date of Manu-
facture
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 sidewall 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
pressure
This number is the greatest amount
of air pressure that should be put in
the tire. Do not exceed the maximum

permissible inflation pressure.
*5Maximum load rating
This number indicates the maximum
load in kilograms and pounds that
can be carried by the tire. When
replacing the tires on the vehicle,
always use a tire that has the same
load rating as the factory installed
tire.
*6Term of “tubeless” or“tube type”
Indicates whether the tire requires an
inner tube (“ tube type”) or not
(“tubeless”).
*7The word “radial”
The word “radial”is shown, if the tire
has radial structure.
*8Manufacturer or brand name
Manufacturer or brand name is
shown.
Other tire-related terminology:
In addition to the many terms that
are defined throughout this section, Intended Outboard Sidewall is (1) the
sidewall that contains a whitewall,
bears white lettering or bears manu-
facturer, brand and/or model name
molding that is higher or deeper than
the same molding on the other side-
wall of the tire, or (2) the outward
facing sidewall of an asymmetrical
tire that has a particular side that
must always face outward when
mounted on a vehicle.
TYPES OF TIRES
WARNING
.
When changing or replacing tires, be
sure all four tires are of the same type
(Example: Summer, All Season or Snow)
and construction. An INFINITI retailer
may be able to help you with information
about tire type, size, speed rating and
availability.
. Replacement tires may have a lower
speed rating than the factory equipped
tires, and may not match the potential
maximum vehicle speed. Never exceed the maximum speed rating of the tire.
. Replacing tires with those not originally
specified by INFINITI could affect the
proper operation of the TPMS.
. For additional information regarding
tires, refer to “Important Tire Safety
Information” (US) or“Tire Safety Infor-
mation” (Canada) in the Warranty In-
formation Booklet.
All season tires
INFINITI specifies all season tires on some
models to provide good performance all
year, including snowy and icy road condi-
tions. All Season tires are identified by ALL
SEASON and/or M&S (Mud and Snow) on
the tire sidewall. Snow tires have better
snow traction than All Season tires and
may be more appropriate in some areas.
Summer tires
INFINITI specifies summer tires on some
models to provide superior performance on
dry roads. Summer tire performance is
substantially reduced in snow and ice.
Summer tires do not have the tire traction
rating M&S on the tire sidewall.
If you plan to operate your vehicle in snowy
Maintenance and do-it-yourself8-35

9-18Technical and consumer information
cargo and luggage load capacity
of your vehicle.
Before driving a loaded vehicle,
confirm that you do not exceed the
Gross Vehicle Weight Rating (GVWR)
or the Gross Axle Weight Rating
(GAWR) for your vehicle. (See “Mea-
surement of weights” (P.9-18).)
Also check tires for proper inflation
pressures. See the Tire and Loading
Information label.
LOADING TIPS
.The GVW must not exceed GVWR or GAWR as specified on the F.M.V.
S.S./C.M.V.S.S. certification label.
.Do not load the front and rear axle
to the GAWR. Doing so will exceed
the GVWR.
WARNING
.Properly secure all cargo to help
prevent it from sliding or shifting.
Do not place cargo higher than the seatbacks. In a sudden stop or
collision, unsecured cargo could
cause personal injury.
.Do not load your vehicle any
heavier than the GVWR or the
maximum front and rear GAWRs.
If you do, parts of your vehicle can
break, tire damage could occur, or
it can change the way your vehicle
handles. This could result in loss
of control and cause personal
injury.
.Overloading could not only short-
en the life of your vehicle and the
tires, but also could lead to
hazardous vehicle handling and
long braking distance. This may
cause a premature tire malfunc-
tion, which could result in a
serious accident and personal in-
jury. Failures caused by overload-
ing are not covered by the
vehicle’s warranty.
MEASUREMENT OF WEIGHTS
Secure loose items to prevent weight
shifts that could affect the balance of
your vehicle. When the vehicle is
loaded, drive to a scale and weigh
the front and the rear wheels sepa-
rately to determine axle loads. In-
dividual axle loads should not
exceed either of the gross axle
weight ratings (GAWR). The total of
the axle loads should not exceed the
gross vehicle weight rating (GVWR).
These ratings are given on the
vehicle certification label. If weight
ratings are exceeded, move or re-
move items to bring all weights
below the ratings.

Ignition switch ............................................. 5-14
Power door lock switch .................................. 3-5
Rear window and outside mirror
defroster switch ........................................... 2-41
Turn signal switch ........................................ 2-47
Vehicle Dynamic Control (VDC) off switch ..... 2-48
T
Tachometer ......................................................... 2-8
TemperatureEngine coolant temperature gauge ............... 2-33
Theft (INFINITI Vehicle Immobilizer System)
Engine start ................................................. 2-37
Thigh extension .................................................. 1-5
Three-way catalyst .............................................. 5-4
Tilt/telescopic steering ...................................... 3-24
Tire Flat Tire - Visit dealer warning ..................... 2-26
Run-flat tires .................................................. 6-4
Tire replacement indicator ............................ 2-29
Tire rotation ................................................. 8-38
Tire pressure Low tire pressure warning light .................... 2-15
Tire Pressure Low - Add Air warning .................. 2-25
Tires Flat tire .......................................................... 6-3
Low tire pressure warning system ... 5-4, 6-3, 8-30
Run-flat tires ................................................ 8-36
Tire and Loading information label ...... 8-31, 9-13
Tire chains ................................................... 8-37
Tire dressing .................................................. 7-4 Tire pressure................................................ 8-30
Tire Pressure Monitoring
System (TPMS) .............................. 5-4, 6-3, 8-30
Types of tires ............................................... 8-35
Uniform tire quality grading ......................... 9-19
Wheel/tire size .............................................. 9-9
Wheels and tires .......................................... 8-30
Towing Flat towing ................................................... 9-19
Tow truck towing ............................................ 6-8
Towing a trailer ............................................ 9-19
TPMS Tire Pressure Monitoring System ... 5-4, 6-3, 8-30
TPMS, Tire pressure monitoring system TPMS with Tire Inflation Indicator................... 5-7
Trailer towing .................................................... 9-19
Transceiver HomeLink
®Universal Transceiver ................. 2-61
Transmission
Automatic transmission fluid (ATF) ............... 8-15
Driving with automatic transmission ............ 5-14
Transmission shift lever lock release ............ 5-18
Transmitter (See remote keyless entry system) ... 3-14
Traveling or registering your vehicle in
another country ................................................ 9-11
Trip computer ................................................... 2-31
Trip odometer ................................................... 2-33
Trunk Interior trunk lid release .............................. 3-21
Light ............................................................ 2-60
Trunk hooks ................................................. 2-53 Trunk lid ...................................................... 3-19
Trunk lid release switch ............................... 3-19
Trunk open request switch ........................... 3-19
Trunk release power cancel switch ............... 3-20
Turn signal switch ............................................. 2-47
U
Underbody cleaning ............................................ 7-3
Uniform tire quality grading .............................. 9-19
V
Vanity mirror ..................................................... 3-28
Vanity mirror lights ........................................... 2-60
Vehicle Dimensions .................................................. 9-10
Recovery (freeing a stuck vehicle) ................ 6-11
Vehicle Dynamic Control (VDC) off switch ..... 2-48
Vehicle Dynamic Control (VDC) system ....... 5-108
Vehicle Dynamic Control (VDC)
warning light ............................................... 2-18
Vehicle identification number (VIN) ................... 9-11
Vehicle information display ............................... 2-21
Vehicle loading information .............................. 9-16
Vehicle security system ..................................... 2-35
Ventilators .......................................................... 4-2
W
Warning Blind Spot Warning (BSW) system ................ 5-38
10-7