suspension INFINITI QX30 2017 Owners Manual

Other supplemental front-impact air
bag precautions
WARNING
•Do not place any objects on the steering
wheel pad or on the instrument panel. Also,
do not place any objects between any occu-
pant and the steering wheel or instrument
panel. Such objects may become dangerous
projectiles and cause injury if the front air
bags inflate.
•Immediately after inflation, several front air
bag system components will be hot. Do not
touch them; you may severely burn your-
self.
•No unauthorized changes should be made
to any components or wiring of the supple-
mental air bag system. This is to prevent
accidental inflation of the supplemental air
bag or damage to the supplemental air bag
system.
•Do not make unauthorized changes to your
vehicle’s electrical system, suspension sys-
tem or front end structure. This could affect
proper operation of the front air bag system.
•Tampering with the front air bag system
may result in serious personal injury. Tam-
pering includes changes to the steering
wheel and the instrument panel assembly
by placing material over the steering wheel
pad and above the instrument panel or by
installing additional trim material around
the air bag system.
•Removing or modifying the front passenger
seat may affect the function of the air bag
system and result in serious personal in-
jury.
•Modifying or tampering with the front pas-
senger seat may result in serious personal
injury. For example, do not change the front
seats by placing material on the seat cush-
ion or by installing additional trim material,
such as seat covers, on the seat that are not
specifically designed to assure proper air
bag operation. Additionally, do not stow
any objects under the front passenger seat
or the seat cushion and seatback. Such ob-
jects may interfere with the proper opera-
tion of the occupant classification sensor
(pressure sensor).
•No unauthorized changes should be made
to any components or wiring of the seat belt
system. This may affect the front air bag
system. Tampering with the seat belt sys-
tem may result in serious personal injury.
•It is recommended that you visit an INFINITI
retailer for work on and around the front air
bag. It is also recommended that you visit
an INFINITI retailer for installation of electri-
cal equipment. The Supplemental Restraint
System (SRS) wiring harnesses* should not
be modified or disconnected. Unauthorized
electrical test equipment and probing de-
vices should not be used on the air bag
system.
•A cracked windshield should be replaced
immediately by a qualified repair facility. A
cracked windshield could affect the func-
tion of the supplemental air bag system.
* The SRS wiring harness connectors are
yellow and orange for easy identification.
When selling your vehicle, we request that you
inform the buyer about the front air bag system
and guide the buyer to the appropriate sections
in this Owner’s Manual.
Safety — seats, seat belts and supplemental restraint system1-51

•Right after inflation, several side air bag
and curtain air bag system components will
be hot. Do not touch them; you may severely
burn yourself.
•No unauthorized changes should be made
to any components or wiring of the side air
bag and curtain air bag systems. This is to
prevent damage to or accidental inflation of
the side air bag and curtain air bag systems.
•Do not make unauthorized changes to your
vehicle’s electrical system, suspension sys-
tem or side panel. This could affect proper
operation of the curtain air bag systems.
•Tampering with the side air bag system
may result in serious personal injury. For
example, do not change the front seats by
placing material near the seatbacks or by
installing additional trim material, such as
seat covers, around the side air bag.
•It is recommended that you visit an INFINITI
retailer for work on and around the front air
bag. It is also recommended that you visit
an INFINITI retailer for installation of electri-
cal equipment. The SRS wiring harnesses*
should not be modified or disconnected. Un-
authorized electrical test equipment and
probing devices should not be used on the
side air bag or curtain air bag systems.
Driver and passenger supplemental
knee air bags
The driver’s knee air bag deploys under the
steering column, while the passenger’s knee air
bag deploys under the glove box. All of the
information, cautions and warnings in this
manual apply and must be followed. The driv-
er’s and passenger’s knee air bags are trig-
gered together with the front air bag. The knee
air bags are designed to inflate in higher sever-
ity frontal collisions, although they may inflate
if the forces in another type of collision are
similar to those of a higher severity frontal
impact. They may not inflate in certain colli-
sions.
Vehicle damage (or lack of it) is not always an
indication of proper knee air bag operation.
When a knee air bag inflates, a fairly loud noise
may be heard, followed by release of smoke.
This smoke is not harmful and does not indicate
a fire. Care should be taken not to inhale it, as
it may cause irritation and choking. Those with
a history of a breathing condition should get
fresh air promptly
The knee air bags help to cushion the impact
force on the knees of the driver and front
passenger. They can help reduce serious inju-
ries. However, an inflating knee air bag maycause abrasions or other injuries. The knee air
bag provides restraint to the lower body.
The knee air bag inflates quickly in order to help
protect the occupants. Because of this, the
force of the knee air bag inflating can increase
the risk of injury if the occupant is too close to,
or is against, this air bag module during infla-
tion. The knee air bag will deflate quickly after
the collision is over OR the knee air bag will
remain inflated for a short time.
The knee air bags operate only when the ignition
switch is placed in the ON position. After placing
the ignition switch in the ON position, the
supplemental air bag warning light illuminates.
The supplemental air bag warning light will turn
off a few seconds after the engine starts if the
system is operational.
WARNING
•Do not place any objects between the knee
bolster and the driver’s seat. Such objects
may become dangerous projectiles and
cause injury if a knee air bag inflates.
•Right after inflation, the knee air bag sys-
tem components will be hot. Do not touch
them; you may severely burn yourself.
Safety — seats, seat belts and supplemental restraint system1-53

•No unauthorized changes should be made to
any components or wiring of the knee air bag
system. This is to prevent damage to or acci-
dental inflation of the knee air bag system.
•Do not make unauthorized changes to your
vehicle’s electrical system or suspension
system. This could affect proper operation
of the knee air bag system.
•Tampering with the knee air bag system
may result in serious personal injury. For
example, do not change the driver knee bol-
ster or install additional trim material
around the knee air bag.
•It is recommended that you visit an INFINITI
retailer for work on and around the front air
bag. It is also recommended that you visit an
INFINITI retailer for installation of electrical
equipment. The SRS wiring harnesses* should
not be modified or disconnected. Unauthorized
electrical test equipment and probing devices
should not be used on the knee air bag system.
* The SRS wiring harness or connectors are
yellow or orange for easy identification.
When selling your vehicle, we request that you
inform the buyer about the knee air bag system
and guide the buyer to the appropriate sections
in this manual.
Seat belt with pretensioner(s)
WARNING
•The pretensioner(s) cannot be reused after
activation. They must be replaced together
with the retractor and buckle as a unit.
•If the vehicle becomes involved in a colli-
sion but pretensioner(s) are not activated,
be sure to have the pretensioner system
checked and, if necessary, replaced. It is
recommended that you visit an INFINITI re-
tailer for this service.
•No unauthorized changes should be made
to any components or wiring of the preten-
sioner system. This is to prevent damage to
or accidental activation of the pretension-
er(s). Tampering with the pretensioner sys-
tem may result in serious personal injury.
•It is recommended that you visit an INFINITI
retailer for work on and around the preten-
sioner system. It is also recommended that
you visit an INFINITI retailer for installation
of electrical equipment. Unauthorized elec-
trical test equipment and probing devices
should not be used on the pretensioner sys-
tem.
•If you need to dispose of the pretension-
er(s) or scrap the vehicle, it is recommended
that you visit an INFINITI retailer for this
service. Incorrect disposal procedures
could cause personal injury.
The pretensioner system may activate with the
supplemental air bag system in certain types of
collisions. Working with the seat belt retractor,
the pretensioner(s) help tighten the seat belt
when the vehicle becomes involved in certain
types of collisions, helping to restrain front seat
occupants. The pretensioner(s) are encased
within the seat belt retractor and to the seat
belt anchor affixed to the floor of the vehicle.
These seat belts are used the same way as
conventional seat belts. When pretensioner(s)
activate, smoke is released and a loud noise
may be heard. This smoke is not harmful and
does not indicate a fire. Care should be taken
not to inhale it, as it may cause irritation and
choking. Those with a history of a breathing
condition should get fresh air promptly. After
the pretensioner(s)’s activation, load limiters
allow the seat belt to release webbing (if nec-
essary) to reduce forces against the chest. The
supplemental air bag warning light is used to
1-54Safety — seats, seat belts and supplemental restraint system

•The LDW system is primarily intended for
use on well-developed freeways or high-
ways. It may not detect the lane markers in
certain roads, weather or driving condi-
tions.
•Do not use the LDW system under the fol-
lowing conditions as it may not function
properly:
–During bad weather (rain, fog, snow,
etc.).
–When driving on slippery roads, such as
on ice or snow, etc.
–When driving on winding or uneven
roads.
–When there is a lane closure due to road
repairs.
–When driving in a makeshift or tempo-
rary lane.
–When driving on roads where the lane
width is too narrow.
–When driving without normal tire condi-
tions (for example, tire wear, low tire
pressure, installation of spare tire, tire
chains, non-standard wheels).
–When the vehicle is equipped with non-
original brake parts or suspension parts.
•The camera may not detect lane markers in
the following situations and the LDW sys-
tem may not operate properly.
–On roads where there are multiple par-
allel lane markers; lane markers that are
faded or not painted clearly; yellow
painted lane markers; non-standard lane
markers; or lane markers covered with
water, dirt, snow, etc.
–On roads where the discontinued lane
markers are still detectable.
–On roads where there are sharp curves.
–On roads where there are sharply con-
trasting objects, such as shadows,
snow, water, wheel ruts, seams or lines
remaining after road repairs. (The LDW
system could detect these items as lane
markers.)
–On roads where the traveling lane
merges or separates.
–When the vehicle’s traveling direction
does not align with the lane marker.
–When traveling close to the vehicle in
front of you, which obstructs the lane
camera unit detection range.
–When rain, snow or dirt adheres to the
windshield in front of the lane camera
unit.–When the headlights are not bright due
to dirt on the lens or if the aiming is not
adjusted properly.
–When strong light enters the lane cam-
era unit. (For example, the light directly
shines on the front of the vehicle at sun-
rise or sunset.)
–When a sudden change in brightness
occurs. (For example, when the vehicle
enters or exits a tunnel or under a
bridge.)
–When there is poor visibility. (For ex-
ample, due to insufficient illumination of
the road, or due to snow, rain, fog or
spray.
–When there is glare. (For example, from
oncoming traffic, the sun or reflection
when the road is wet).
5-32Starting and driving

CAUTION
•If wheels or tires other than INFINITI recom-
mended ones are used, the power steering
system may not operate properly and the
[Power Steering Malfunction See Operators
Manual] warning may appear in the vehicle
information display.
•Do not modify the vehicle’s suspension. If
suspension parts such as shock absorbers,
struts, springs, stabilizer bars, bushings
and wheels are not INFINITI recommended
for your vehicle or are extremely deterio-
rated, the power steering system may not
operate properly and the [Power Steering
Malfunction See Operators Manual] warn-
ing may appear in the vehicle information
display.
•Do not modify the vehicle’s steering. If
steering parts are not INFINITI recom-
mended for your vehicle or are extremely
deteriorated, the power steering system
may not operate properly and the [Power
Steering Malfunction See Operators
Manual] warning may appear in the vehicle
information display.
•Do not place the ignition switch in the on
position while the steering wheel or a tire is
removed.
•Do not turn the steering wheel as much as
possible while the ignition switch is in any
position other than the ON position.
•Installing an accessory on the steering
wheel, or changing the steering wheel, may
reduce the steering performance.
NOTE
When the steering wheel is operated repeatedly
or continuously while parking or driving at a very
low speed, the power assistance for the steering
wheel will be reduced. This is to prevent over-
heating of the electric power steering system
and protect it from becoming damaged. While
the power assistance is reduced, steering wheel
operation will become heavy. When the tem-
perature of the electric power steering system
decreases, the power assistance level will return
to normal. Avoid repeating such steering wheel
operations that could cause the electric power
steering system to overheat.The brake system has two separate hydraulic
circuits. If one circuit malfunctions, you will still
have braking ability at two wheels.
BRAKE PRECAUTIONS
WARNING
While driving on a slippery surface, be careful
when braking, accelerating or downshifting.
Abrupt braking or accelerating could cause the
wheels to skid and result in an accident.
Vacuum assisted brakes
The brake booster aids braking by using engine
vacuum. If the engine stops, you can stop the
vehicle by depressing the brake pedal. How-
ever, greater foot pressure on the brake pedal
will be required to stop the vehicle. The stop-
ping distance will be longer.
WARNING
•If the engine is not running or is turned off
while driving, the power assist for the
brakes will not work. Braking will be harder.
•Do not coast with the engine stopped.
BRAKE SYSTEM
Starting and driving5-87

The Vehicle Dynamic Control (VDC) system uses
various sensors to monitor driver inputs and
vehicle motion. Under certain driving condi-
tions, the VDC system helps to perform the
following functions.
•Controls brake pressure to reduce wheel slip
on one slipping drive wheel so power is
transferred to a non slipping drive wheel on
the same axle.
•Controls brake pressure and engine output
to reduce drive wheel slip based on vehicle
speed (traction control function).
•Controls brake pressure at individual wheels
and engine output to help the driver maintain
control of the vehicle in the following condi-
tions:
– understeer (vehicle tends to not follow
the steered path despite increased steer-
ing input)
– oversteer (vehicle tends to spin due to
certain road or driving conditions).
The VDC system can help the driver to maintain
control of the vehicle, but it cannot prevent loss
of vehicle control in all driving situations.When the VDC system operates, the VDC warn-
ing light in the instrument panel flashes so note
the following:
•The road may be slippery or the system may
determine some action is required to help
keep the vehicle on the steered path.
•You may feel a pulsation in the brake pedal
and hear a noise or vibration from under the
hood. This is normal and indicates that the
VDC system is working properly.
•Adjust your speed and driving to the road
conditions.
SeeVehicle Dynamic Control (VDC) warning
lightin the2. Instruments and controlssec-
tion.
If a malfunction occurs in the system, the VDC
warning light
illuminates in the instrument
panel. The VDC system automatically turns off.
WARNING
•The VDC system is designed to help the
driver maintain stability but does not pre-
vent accidents due to abrupt steering opera-
tion at high speeds or by careless or danger-
ous driving techniques. Reduce vehicle
speed and be especially careful when driv-
ing and cornering on slippery surfaces and
always drive carefully.
•Do not modify the vehicle’s suspension. If
suspension parts such as shock absorbers,
struts, springs, stabilizer bars, bushings
and wheels are not INFINITI recommended
for your vehicle or are extremely deterio-
rated, the VDC system may not operate
properly. This could adversely affect vehicle
handling performance, and the VDC warning
light
may illuminate.
•If brake related parts such as brake pads,
rotors and calipers are not INFINITI recom-
mended or are extremely deteriorated, the
VDC system may not operate properly and
the VDC warning light
may illuminate.
•If engine control related parts are not
INFINITI recommended or are extremely de-
teriorated, the VDC warning light
may
illuminate.
VEHICLE DYNAMIC CONTROL (VDC)
SYSTEM
5-90Starting and driving

REMOVING SPOTS
Remove tar and oil spots, industrial dust, in-
sects, and tree sap as quickly as possible from
the paint surface to avoid lasting damage or
staining. Special cleaning products are avail-
able at an INFINITI retailer or any automotive
accessory store.
UNDERBODY
In areas where road salt is used in the winter, it
is necessary to clean the vehicle’s underbody
regularly in order to prevent dirt and salt from
building up and causing the acceleration of
corrosion on the underbody and suspension.
Before the winter and again in the spring, the
underseal must be checked and, if necessary,
re-treated.
GLASS
Use glass cleaner to remove smoke and dust
film from the glass surfaces. It is normal for
glass to become coated with a film after the
vehicle is parked in the hot sun. Glass cleaner
and a soft cloth will easily remove this film.
CAUTION
When cleaning the inside of the windows, do
not use sharp-edged tools, abrasive cleaners
or chlorine-based disinfectant cleaners. They
could damage the electrical conductors, radio
antenna elements or rear window defroster
elements.
WHEELS
•Wash the wheels when washing the vehicle
to maintain their appearance.
•Clean the inner side of the wheels when the
wheel is changed or the underside of the
vehicle is washed.
•Do not use abrasive cleaners when washing
the wheels.
•Inspect wheel rims regularly for dents or
corrosion. This may cause loss of pressure or
damage the tire bead.
•INFINITI recommends that the road wheels
be waxed to protect against road salt in
areas where it is used during winter.
ALUMINUM ALLOY WHEELS
Wash the wheels regularly with a sponge damp-
ened in a mild soap solution, especially during
winter in areas where road salt is used. The salt
residue from road salt could discolor the wheels
if it is not washed off regularly.
CAUTION
Follow the directions below to avoid staining
or discoloring the wheels:
•Do not use a cleaner that uses strong acid or
alkali contents to clean the wheels.
•Do not apply wheel cleaners to the wheels
when they are hot. The wheel temperature
should be the same as ambient tempera-
ture.
•Rinse the wheel to completely remove the
cleaner within 15 minutes after the cleaner
is applied.
CHROME PARTS
Clean all chrome parts regularly with a nonabra-
sive chrome polish to maintain the finish.
Appearance and care7-3

Steering gear and linkage, axle and suspension
parts, drive shaft boots:
Check for damage, looseness, and leakage of
oil or grease. Under severe driving conditions,
inspect more frequently
Tire rotation:
Tires should be rotated every 6,000 miles
(10,000 km) for 2WD, every 3000 miles (5000
km) for 4WD/AWD according to the instructions
underTire rotation*earlier in this section“Ge-
neral maintenance” in this section. When rotat-
ing tires, check for damage and uneven wear.
Replace if necessary.
Transmission fluid/oil, differential oil, transfer
case oil:
Visually inspect for signs of leakage at specified
intervals.To ensure smooth, trouble-free, safe and eco-
nomical driving, INFINITI provides two mainte-
nance schedules that may be used, depending
upon the conditions in which you usually drive.
These schedules contain both distance and
time intervals, up to 120,000 miles (192,000
km)/144 months. For most people, the odom-
eter reading will indicate when service is
needed. However, if you drive very little, your
vehicle should be serviced at the regular time
intervals shown in the schedule.
After 120,000 miles (192,000 km)/144 months,
continue maintenance at the same mileage/time
intervals.
ADDITIONAL MAINTENANCE ITEMS
FOR SEVERE OPERATING SYSTEMS
Additional maintenance items for severe oper-
ating conditions; should be performed on ve-
hicles that are driven under especially demand-
ing conditions. Additional maintenance items
should be performed if you primarily operate
your vehicle under the following conditions:
•Repeated short trips of less than 5 miles in
normal temperatures or less than 10 miles in
freezing temperatures.
•Stop-and-go traffic in hot weather or low
speed driving for long distances.
•Driving in dusty conditions or on rough,
muddy or salt-spread roads.
•Towing a trailer, or using a camper or car-top
carrier.
OIL CHANGE MONITOR
This vehicle is equipped with oil change moni-
tor. It calculates engine oil and filter change
interval base on driving conditions. Driving in
severe conditions will shorten the engine oil
and filter change interval. When the Engine Oil
– Service Due Now warning appears in the
vehicle information display, the engine oil and
filter need to be replaced.
NOTE
For vehicles operated in Canada, both standard
and severe maintenance items should be per-
formed at every interval.
MAINTENANCE SCHEDULES
Maintenance and Schedules9-7

CHASSIS & BODY MAINTENANCE
Abbreviations: I = Inspect and correct or replace as necessary, R = Replace
MAINTENANCE OPERATIONmiles x 1,000MAINTENANCE INTERVAL
Perform at number of miles,
kilometers or months, whichever
comes first.51015202530354045505560
(km x 1,000) (8) (16) (24) (32) (40) (48) (56) (64) (72) (80) (88) (96)
months 6 12 18 24 30 36 42 48 54 60 66 72
Brake lines and cables I I I I I I
Brake pads and rotors* I I I I I I
Brake fluid * R R R
Automatic transmission fluid I I I
Automatic transmission fluid and
filterReplace every 60,000 miles or 60 months
Differential gear oil I I I I I I
Steering gear and linkage, axle and
suspension parts*III
Tire rotation See NOTE (1)
Propeller shaft & drive shaft boots
(4WD models)*IIIIII
Exhaust system* I I I
In-cabin microfilter R R R
I-key battery R R R R
NOTE:
(1) Refer toTire rotation*earlier in this section.
9-12Maintenance and Schedules

Abbreviations: I = Inspect and correct or replace as necessary, R = Replace
MAINTENANCE OPERATIONmiles x
1,000MAINTENANCE INTERVAL
Perform at number of miles, kilome-
ters or months, whichever comes first.65 70 75 80 85 90 95 100 105 110 115 120
(km x 1,000) (104) (112) (120) (128) (136) (144) (152) (160) (168) (176) (184) (192)
months 78 84 90 96 102 108 114 120 126 132 138 144
Brake lines and cables I I I I I I
Brake pads and rotors* I I I I I I
Brake fluid* R R R
Automatic transmission fluid I I I
Automatic transmission fluid and
filterReplace every 60,000 miles or 60 months
Differential gear oil I I I I I I
Steering gear and linkage, axle and
suspension parts*II I
Tire rotation See NOTE (1)
Propeller shaft & drive shaft boots
(4WD models)*IIII I I
Exhaust system* I I I
In-cabin microfilter R R R
I-key battery R R R R
NOTE:
(1) Refer toTire rotation*earlier in this section.
* Maintenance items with “*” should be performed more frequently according toMaintenance under severe driving conditionslater in this section
Maintenance and Schedules9-13