2019 INFINITI QX50 windshield

Skid and traction capabilities of studded
snow tires on wet or dry surfaces may be
poorer than that of non-studded snow tires.3. Tire chains may be used. For additional information, refer to “Tire chains” in the
“Do-it-yourself” section of this manual.
SPECIAL WINTER EQUIPMENT
It is recommended that the following items
be carried in the vehicle during winter:
∙ A scraper and stiff-bristled brush to re- move ice and snow from the windows
and wiper blades.
∙ A sturdy, flat board to be placed under the jack to give it firm support.
∙ A shovel to dig the vehicle out of snow- drifts.
∙ Extra washer fluid to refill the windshield-washer fluid reservoir.
DRIVING ON SNOW OR ICE
WARNING
∙ Wet ice (32°F, 0°C and freezing rain),very cold snow or ice can be slick and very
hard to drive on. The vehicle will have
much less traction or “grip” under these
conditions. Try to avoid driving on wet
ice until the road is salted or sanded.
∙ Whatever the condition, drive with cau- tion. Accelerate and slow down with
care. If accelerating or downshifting too
fast, the drive wheels will lose even more
traction.
∙ Allow more stopping distance under these conditions. Braking should be
started sooner than on dry pavement.
∙ Allow greater following distances on slippery roads.
∙ Watch for slippery spots (glare ice). These may appear on an otherwise clear
road in shaded areas. If a patch of ice is
seen ahead, brake before reaching it. Try
not to brake while on the ice, and avoid
any sudden steering maneuvers.
∙ Do not use the cruise control on slippery roads. ∙ Snow can trap dangerous exhaust gases
under your vehicle. Keep snow clear of
the exhaust pipe and from around your
vehicle.
ENGINE BLOCK HEATER (if so
equipped)
Engine block heaters are used to assist with
cold temperature starting.
The engine block heater should be used when
the outside temperature is 20°F (-7°C) or
lower.
WARNING
∙ Do not use your engine block heater withan ungrounded electrical system or a
2-pronged adapter. You can be seriously
injured by an electrical shock if you use an
ungrounded connection.
∙ Disconnect and properly store the engine block heater cord before starting the en-
gine. Damage to the cord could result in
an electrical shock and can cause serious
injury.
5-192Starting and driving

8 Do-it-yourself
Maintenance precautions.........................8-2
Engine compartment check locations ..............8-3
Engine cooling system ........................... 8-4
Checking engine coolant level ..................8-5
Changing engine coolant ......................8-5
Engine oil ........................................8-6
Checking engine oil level .......................8-6
Changing engine oil ...........................8-7
Changing engine oil filter ..................... 8-8
Continuously Variable Transmission (CVT) fluid ....8-9
Brake fluid ..................................... 8-10
Windshield-washer fluid ........................ 8-10
Windshield-washer fluid reservoir ............8-10
Battery ......................................... 8-11
Jump starting ............................... 8-12
Variable voltage control system .................8-13
Drive belt ...................................... 8-13
Spark plugs .................................... 8-14
Replacing spark plugs ....................... 8-14
Air cleaner ..................................... 8-15In-cabin microfilter
.......................... 8-15
Windshield wiper blades ........................ 8-16
Cleaning .................................... 8-16
Replacing ................................... 8-16
Brakes ......................................... 8-18
Fuses .......................................... 8-19
Engine compartment ........................ 8-19
Passenger compartment .....................8-20
Battery replacement ............................ 8-21
INFINITI Intelligent Key ......................8-22
Lights ......................................... 8-23
Headlights .................................. 8-23
Fog lights (if so equipped) ...................8-23
Exterior and interior lights ...................8-24
Wheels and tires ............................... 8-26
Tire pressure ................................ 8-26
Tire labeling ................................. 8-30
Types of tires ............................... 8-32
Tire chains .................................. 8-35
Changing wheels

and tires................... 8-36

KR20DDET engine
1. Engine coolant reservoir
2. Drive belt location
3. Air filter
4. Brake fluid reservoir
5. Battery
6. Fuse/Fusible link box
7. Windshield-washer fluid reservoir
8. Engine oil filler cap
9. Engine oil dipstick
LDI3173
ENGINE COMPARTMENT CHECK
LOCATIONS
Do-it-yourself8-3

WARNING
∙ Use only new fluid from a sealed con-tainer. Old, inferior or contaminated fluid
may damage the brake system. The use of
improper fluids can damage the brake
system and affect the vehicle’s stopping
ability.
∙ Clean the filler cap before removing.
∙ Brake fluid is poisonous and should be stored carefully in marked containers out
of reach of children.
CAUTION
Do not spill the fluid on any painted sur-
faces. This will damage the paint. If fluid is
spilled, immediately wash the surface with
water.
Check the fluid level in the reservoir. If the
brake fluid is below the MIN line
B, the brake
warning light will illuminate. Add brake fluid
up to the MAX line
A. For additional infor-
mation on the recommended type of brake
fluid, refer to “Recommended
fluids/lubricants and capacities” in the “Tech-
nical and consumer information” section of
this manual.
If the brake fluid must be added frequently,
the brake system should be thoroughly
checked. It is recommended that you visit an
INFINITI retailer for this service.
For additional information on the location of
the brake fluid reservoir, refer to “Engine
compartment check locations” in this section.
WINDSHIELD-WASHER FLUID
RESERVOIR
Fill the windshield-washer fluid reservoir pe-
riodically. Add windshield-washer fluid when
the “Low Washer Fluid” warning message
shows on the vehicle information display.
To fill the windshield-washer fluid reservoir,
lift the cap off the reservoir and pour the
windshield-washer fluid into the reservoir
opening.
LDI3161LDI3162
BRAKE FLUID WINDSHIELD-WASHER FLUID
8-10Do-it-yourself

Add a washer solvent to the washer for bet-
ter cleaning. In the winter season, add a
windshield-washer antifreeze. Follow the
manufacturer’s instructions for the mixture
ratio.
Refill the reservoir more frequently when
driving conditions require an increased
amount of windshield-washer fluid.
Recommended fluid is Genuine NISSAN
Windshield Washer Concentrate Cleaner &
Antifreeze or equivalent.
CAUTION
∙ Do not substitute engine antifreeze cool-ant for windshield-washer fluid. This
may result in damage to the paint.
∙ Do not fill the windshield-washer fluid reservoir with washer fluid concentrates
at full strength. Some methyl alcohol
based washer fluid concentrates may
permanently stain the grille if spilled
while filling the windshield-washer fluid
reservoir. ∙ Pre-mix washer fluid concentrates with
water to the manufacturer’s recom-
mended levels before pouring the fluid
into the windshield-washer fluid reser-
voir. Do not use the windshield-washer
fluid reservoir to mix the washer fluid
concentrate and water. ∙ If the battery is labeled "do not open" it is
maintenance free and battery fluid
should not be checked. It is recom-
mended that you visit an INFINITI retailer
or a qualified specialist workshop to con-
firm the battery’s performance.
∙ Keep the battery surface clean and dry. Clean the battery with a solution of bak-
ing soda and water.
∙ Make certain the terminal connections are clean and securely tightened.
∙ If the vehicle is not to be used for 30 days or longer, disconnect the negative (-) bat-
tery terminal cable to prevent discharge.
NOTE:
Care should be taken to avoid situations
that can lead to potential battery discharge
and potential no-start conditions such as: 1. Installation or extended use of elec-
tronic accessories that consume battery
power when the engine is not running
(Phone chargers, GPS, DVD players,
etc).
2. Vehicle is not driven regularly and/or
only driven short distances.
In these cases, the battery may need to be
charged to maintain battery health.
BATTERY
Do-it-yourself8-11

CLEANING
If your windshield is not clear after using the
windshield-washer or if a wiper blade chat-
ters when running, wax or other material may
be on the blade or windshield.
Clean the outside of the windshield with a
washer solution or a mild detergent. Your
windshield is clean if beads do not form when
rinsing with clear water.
Clean each blade by wiping it with a cloth
soaked in a washer solution or a mild deter-
gent. Then rinse the blades with clear water.
If your windshield is still not clear after clean-
ing the blades and using the wiper, replace
the blades.
CAUTION
Worn windshield wiper blades can damage
the windshield and impair driver vision.
REPLACING
Replace the wiper blades if they are worn.
To replace the windshield wiper blades, fol-
low the procedure below:1. When ignition switch is ON or within 60 seconds after placing the ignition
switch from the ON to OFF position,
place the windshield wiper and washer
lever into the OFF position. 2. Rapidly lift the windshield wiper and
washer lever
Aupwards twice within
0.5 seconds. This action will cause the
wipers to automatically take the service
position.
LDI2476
WINDSHIELD WIPER BLADES
8-16Do-it-yourself

3. Once the wipers are in the service posi-tion, push the release tab
C.
4. Move the wiper blade down
Band re-
move.
5. Insert the new wiper blade onto the wiper arm until it clicks into place.
6. Rotate the wiper blade so the dimple is in the groove. 7. Finally, lift the windshield wiper and
washer lever to the mist position
Donce
and release. This action will cause the
wipers to resume the set position.
CAUTION
∙ After wiper blade replacement, return the wiper arm to its original position;
otherwise it may be damaged when the
hood is opened.
∙ Make sure the wiper blades contact the glass; otherwise the arms may be dam-
aged from wind pressure. If you wax the surface of the hood, be careful
not to let wax get into the washer nozzle
F.
This may cause clogging or improper
windshield-washer operation. If wax gets
into the nozzle, remove it with a needle or
small pin
E.
LDI2785LDI2477
LDI3189
Do-it-yourself8-17

latch keeps the hood from opening when the
primary latch is released.
When driving in areas using road salt or other
corrosive materials, check lubrication fre-
quently.
Lights*:Clean the headlights on a regular
basis. Make sure that the headlights, stop
lights, tail lights, turn signal lights, and other
lights are all operating properly and installed
securely. Also check headlight aim.
Road wheel nuts (lug nuts)*: When checking
the tires, make sure no wheel nuts are miss-
ing, and check for any loose wheel nuts.
Tighten if necessary.
Tire rotation*: Tires should be rotated every
7,500 miles (12,000 km). If your vehicle is
equipped with different sized tires in the front
and rear, tires cannot be rotated.
Tires*: Check the pressure with a gauge of-
ten and always prior to long distance trips. If
necessary, adjust the pressure in all tires, in-
cluding the spare, to the pressure specified.
Check carefully for damage, cuts or excessive
wear.
Tire Pressure Monitoring System (TPMS)
transmitter components: Replace the TPMStransmitter grommet seal, valve core and cap
when the tires are replaced due to wear or
age.
Wheel alignment and balance:
If the vehicle
should pull to either side while driving on a
straight and level road, or if you detect un-
even or abnormal tire wear, there may be a
need for wheel alignment.
If the steering wheel or seat vibrates at nor-
mal highway speeds, wheel balancing may be
needed.
For additional information regarding tires, re-
fer to “Important Tire Safety Information”
(US) or “Tire Safety Information” (Canada) in
the INFINITI Warranty Information Booklet.
Windshield: Clean the windshield on a regu-
lar basis. Check the windshield at least every
six months for cracks or other damage. Have
a damaged windshield repaired by a qualified
repair facility.
Windshield wiper blades*: Check for cracks
or wear if they do not wipe properly.
Inside the vehicle
The maintenance items listed here should be
checked on a regular basis, such as when
performing scheduled maintenance, cleaning
the vehicle, etc. Accelerator pedal:
Check the pedal for
smooth operation and make sure the pedal
does not catch or require uneven effort. Keep
the floor mat away from the pedal.
Brake pedal: Check the pedal for smooth op-
eration. If the brake pedal suddenly goes
down further than normal, the pedal feels
spongy or the vehicle seems to take longer to
stop, have your vehicle checked immediately.
It is recommended that you visit an INFINITI
retailer for this service. Keep the floor mat
away from the pedal.
Brakes: Check that the brakes do not pull the
vehicle to one side when applied.
Continuously Variable Transmission (CVT) P
(Park) position mechanism: On a fairly steep
hill check that the vehicle is held securely with
the shift lever in the P (Park) position without
applying any brakes.
Parking brake: Check the parking brake op-
eration regularly. The vehicle should be se-
curely held on a fairly steep hill with only the
parking brake applied. If the parking brake
does not securely hold the vehicle, it is recom-
mended that you visit an INFINITI retailer for
service.
Maintenance and schedules9-3