2018 INFINITI Q50 fuel cap release

2-14Instruments and controls
Master warning light
When the ignition switch is in the ON
position, the master warning light illumi-
nates if any of the following warnings
appear in the vehicle information display:
.No key warning
. PUSH warning
. Key ID Incorrect warning
. Low washer fluid warning
. Door/trunk open warning
. Loose fuel cap warning
. Tire Pressure Low - Add Air warning
. Flat Tire - Visit dealer warning (if so
equipped)
. All-Wheel Drive (AWD) warning (if so
equipped)
. Headlight warning
. Adaptive Front lighting System (AFS)
warning (if so equipped)
. Intelligent Key system warning
. Chassis control warning
. Parking brake release warning
. SHIFT “P” warning
. Low oil pressure warning
See “Vehicle information display” (P.2-19).
If the driver assist system warnings appear
in the vehicle information display, the master
warning light also illuminates. See “Lane Departure Warning (LDW)/Lane Departure
Prevention (LDP)” (P.5-34), “Blind Spot
Warning (BSW)” (P.5-41), “Blind Spot Inter-
vention® (BSI)” (P.5-49), “Back-up Collision
Intervention (BCI)” (P.5-61), “Distance Con-
trol Assist (DCA)” (P.5-94), “Forward Emer-
gency Braking (FEB)” (P.5-105) and
“Predictive Forward Collision Warning
(PFCW)” (P.5-112).
Power steering warning light
Models with Direct Adaptive Steering :
When the ignition switch is in the ON
position, the power steering warning light
illuminates. After starting the engine, the
power steering warning light stays on for a
few seconds and turns off. This indicates
that Direct Adaptive Steering is operational.
Drive the vehicle after the power steering
warning light turns off.
If the power steering warning light illumi-
nates while driving, pull off the road to a
safe location and stop the vehicle. If the
power steering warning light turns off, you
can drive again. If the power steering
warning light continues to illuminate, it is
recommended you have Direct Adaptive
Steering checked by an INFINITI retailer.
(See “Direct Adaptive Steering type” (P.5-
128).)
Models with hydraulic pump electric power
steering :
When the ignition switch is in the ON
position, the power steering warning light
illuminates. After starting the engine, the
power steering warning light turns off. This
indicates that or hydraulic pump electric
power steering is operational.
If the power steering warning light illumi-
nates while the engine is running, it may
indicate hydraulic pump electric power
steering is not functioning properly and
may need servicing. It is recommended you
have the hydraulic pump electric power
steering checked by an INFINITI retailer.
(See “Hydraulic pump electric power steering
type” (P.5-127).)
Models with electric power steering :
When the ignition switch is in the ON
position, the power steering warning light
illuminates. After starting the engine, the
power steering warning light turns off. This
indicates the electric power steering is
operational.
If the power steering warning light illumi-
nates while the engine is running, it may
indicate the electric power steering is not
functioning properly and may need servicing.
It is recommended you have the electric
power steering checked by an INFINITI
retailer.

3 Pre-driving checks and adjustments
Keys........................................................................\
................ 3-2Intelligent Key................................................................ 3-2
Valet hand-off............................................................... 3-4
Doors ........................................................................\
............. 3-4 Locking with mechanical key .................................... 3-4
Opening and closing windows with
mechanical key .............................................................. 3-5
Locking with inside lock knob................................... 3-5
Locking with power door lock switch .................... 3-5
Automatic door locks .................................................. 3-6
Child safety rear door lock ........................................ 3-6
Intelligent Key system........................................................ 3-7 Intelligent Key operating range................................ 3-8
Door locks/unlocks precaution ............................... 3-9
Intelligent Key operation.......................................... 3-10
Battery saver system................................................. 3-13
Warning signals........................................................... 3-14
Troubleshooting guide .............................................. 3-15
Log-in function ........................................................... 3-16
Remote keyless entry system....................................... 3-16
How to use remote keyless entry system ........... 3-17
Remote engine start (if so equipped)........................ 3-20 Remote engine start operating range .................. 3-21
Remote starting the engine..................................... 3-21
Extending engine run time....................................... 3-21 Canceling a remote start........................................ 3-21
Conditions the remote start will not work ....... 3-22
Hood ........................................................................\
........... 3-23
Trunk lid ........................................................................\
..... 3-23 Trunk lid release switch.......................................... 3-24
Trunk open request switch .................................... 3-24
TRUNK button .......................................................... 3-24
Trunk release power cancel switch..................... 3-25
Interior trunk lid release ......................................... 3-25
Fuel-filler door ................................................................. 3-26
Opening the fuel-filler door................................... 3-26
Fuel-filler cap............................................................. 3-26
Tilt/telescopic steering.................................................. 3-28
Manual operation (if so equipped) ...................... 3-29
Electric operation (if so equipped)....................... 3-29
Sun visors ........................................................................\
. 3-30
Mirrors........................................................................\
....... 3-30 Inside mirror.............................................................. 3-30
Outside mirrors ......................................................... 3-31
Vanity mirror.............................................................. 3-32
Automatic drive positioner (if so equipped) ............ 3-33 Entry/exit function .................................................. 3-33
Memory storage ....................................................... 3-33
System operation ..................................................... 3-34

3-26Pre-driving checks and adjustments
that people become locked inside the trunk
or in the event of the loss of electrical power
such as a discharged battery.
Releasing inside the trunk
To open the trunk lid from the inside, pull the
release handleuntil the lock releases and
push up on the trunk lid. The release lever is
made of a material that glows in the dark
after a brief exposure to ambient light.
The handle is located on the back of the
trunk lid as illustrated.
Releasing from the rear seat
You can access the release handle through
the trunk pass-through (rear seat armrest).
(See “Armrest” (P.1-7).)
To open the trunk lid from the rear seat, pull
the release handle towards front of vehicle
until the lock releases.
If you cannot reach the release handle,
contact an INFINITI retailer.SPA2735
OPENING THE FUEL-FILLER
DOOR
To open the fuel-filler door, unlock the fuel-
filler door by using one of the following
operations, then push the upper left side of
the door.
. Touch the one touch unlock sensor on
one of the front door handles and then
push the door handle request switch
while carrying the Intelligent Key.
. Push the UNLOCK button on the Intel-
ligent Key twice.
. Insert the mechanical key into the door
lock cylinder and turn it to the rear of the
vehicle twice. .
Push the power door lock switch to the
UNLOCK position.
To lock, close the fuel-filler door securely
and lock all doors by operating the door
handle request switch, the LOCK button on
the Intelligent Key, the mechanical key or the
power door lock switch.
FUEL-FILLER CAP
WARNING
. Gasoline is extremely flammable and
highly explosive under certain condi-
tions. You could be burned or ser-
iously injured if it is misused or
mishandled. Always stop engine and
do not smoke or allow open flames or
sparks near the vehicle when refuel-
ing.
. Do not attempt to top off the fuel
tank after the fuel pump nozzle shuts
off automatically. Continued refuel-
ing may cause fuel overflow, resulting
in fuel spray and possibly a fire.
. Use only an original equipment type
fuel-filler cap as a replacement. It has
a built-in safety valve needed for
proper operation of the fuel system
and emission control system. An in-
correct cap can result in a serious
FUEL-FILLER DOOR

The Idling Stop System activates to prevent
unnecessary fuel consumption, exhaust
emissions and noise.
.When you fully depress the brake pedal
to stop the vehicle, the engine is turned
off automatically.
. When you release the brake pedal to
begin moving again, the engine is turned
on automatically.
WARNING
The engine restarts if the vehicle moves
at approximately 1 MPH (2 km/h) or
more (on a downhill grade, etc.), while
the engine is turned off by the Idling
Stop System. Depress the brake pedal
immediately to stop the vehicle to pre-
vent an accident.
CAUTION
At the end of the journey the engine
must be stopped and ignition switch be
turned off. Lock the vehicle as normal.
Turning the ignition switch OFF will shut
down all electrical systems. Failure to do
this may result in a discharged battery. NOTE:
The Idling Stop System will not activate
under the following conditions:
.
when the engine is kept idling without
the vehicle being driven after the engine
is turned on.
. when the engine coolant temperature is
low.
. when the battery capacity is low.
. when the battery temperature is low or
extremely high.
. when the vehicle is moving.
. when a negative pressure booster de-
creases.
. when the engine hood is opened with the
engine running.
. when the engine is turned on with the
engine hood open.
. when the driver’s seat belt is not fas-
tened.
. when the driver’s door is open.
. when the steering wheel is operated.
. when the angle of steering wheel is not
straight.
. when the Idling Stop System indicator
blinks at a low speed.
. when the fan speed control is in any
position other than “OFF” (0) while the
air flow control is in the front defroster
position. .
when the front defroster switch is on.
. when the rear window defroster switch
is on.
. When the temperature inside the vehicle
is lower than approximately 68°F
(20°C).
. When the temperature inside the vehicle
is higher than approximately 86°F
(30°C). (When the air conditioner is
off, the Idling Stop System will operate.)
. When the fan speed of the air condi-
tioner is set to the maximum speed.
. when the Idling Stop OFF switch is
turned on.
. when the power consumption is large.
. when the vehicle is traveling at altitudes
higher than 8,203 ft (2,500 m).
. when the accelerator pedal is depressed.
. when the shift lever is in the R (Reverse)
position.
. when the brake pedal is not firmly
depressed.
. when stopping the vehicle on steep
sloping roads.
NOTE:
The engine will not restart even if the brake
pedal is released while the Idling Stop
System is activated when the shift lever is
in the P (Park) position.
Starting and driving5-137
IDLING STOP SYSTEM (if so equipped)

Floor mat installation ............................................ 7-6
FluidAutomatic Transmission Fluid (ATF) ....... 8-13
Brake fluid ....................................................... 8-14
Capacities and
recommended fluids/lubricants ................. 10-2
Engine coolant .................................................. 8-6
Engine oil ........................................................ 8-10
Power steering fluid ..................................... 8-14
Window washer fluid ................................... 8-15
Fog light switch ................................................... 2-42
Forward Emergency Braking (FEB) ............ 5-105
Forward Emergency Braking (FEB) system
warning light .......................................................... 2-11
Front passenger air bag and status light ..... 1-50
Front power seat adjustment ............................. 1-3
Front seat Front seat adjustment .................................... 1-3
Fuel
Capacities and
recommended fluids/lubricants ................. 10-2
Fuel economy ............................................... 5-123
Fuel information ............................... 10-4, 10-6
Fuel octane rating ............................ 10-4, 10-6
Fuel-filler cap .................................................. 3-26
Fuel-filler door ............................................... 3-26
Gauge .................................................................. 2-9
Fuel Efficient Driving Tips .............................. 5-122
Fuses ....................................................................... 8-23
Fusible links ........................................................... 8-24G
Garage door opener
HomeLink® Universal Transceiver ........... 2-58
Gas cap ................................................................... 3-26
Gauge ........................................................................\
. 2-6
Engine coolant temperature gauge ............ 2-8
Fuel gauge ......................................................... 2-9
Odometer ............................................................ 2-7
Speedometer ...................................................... 2-7
Tachometer ....................................................... 2-8
Trip computer ................................................. 2-27
General maintenance ............................................. 9-2
Glove box ............................................................... 2-48
H
Hazard warning flasher switch ........................... 6-2
Head restraints/headrests .................................. 1-8
Headlights Aiming control (See Adaptive Front
lighting System (AFS)) ................................ 2-40
Headlight switch ............................................ 2-35
Heated seats ......................................................... 2-43
Heated steering wheel ....................................... 2-44
Heater Engine block heater ................................... 5-142
High beam assist ................................................. 2-37
Hill start assist system ..................................... 5-136
HomeLink® Universal Transceiver ................. 2-58
Hood release ......................................................... 3-23 Hook
Coat hooks ...................................................... 2-49
Trunk hooks ................................................... 2-50
Horn ........................................................................\
. 2-42
Hydraulic pump electric power steering ..... 5-127
I
Idling Stop System ............................................ 5-137
Idling Stop System indicator light .................. 2-16
Idling Stop System reminder buzzer .............. 2-18
Ignition switch (Push-button) ................................................. 5-11
Automatic transmission models ................ 5-16
Immobilizer system .............................................. 2-31
Indicator
Lights ................................................................ 2-16
Vehicle information display ........................ 2-19
Indicator lights ...................................................... 2-16
Indicators for operation (vehicle
information display) ............................................ 2-21
INFINITI Drive Mode Selector ......................... 5-22
Infiniti InTouch Owner’s Manual ...................... 4-2
INFINITI Vehicle Immobilizer System ............ 2-31 Engine start ..................................................... 2-31
Inside mirror .......................................................... 3-30
Inspection/maintenance (I/M) test ............. 10-25
Instrument brightness control ......................... 2-41
Instrument panel ..................................................... 2-5
Intelligent All-Wheel Drive (AWD) ............... 5-124
Intelligent Cruise Control (ICC) ....................... 5-73
Intelligent Cruise Control (ICC) system
11-3

11-4
ON indicator ......................................................... 2-24
Intelligent Key .......................................................... 3-2
Intelligent Key system ........................................... 3-7Battery replacement ..................................... 8-26
Key operating range ....................................... 3-8
Key operation ................................................. 3-10
Warning signals .............................................. 3-14
Intercooler cooling system .................................. 8-9
Interior light control switch .............................. 2-56
Interior light replacement .................................. 8-29
Interior lights ......................................................... 2-55
Interior trunk lid release .................................... 3-25
ISOFIX child restraint ......................................... 1-26
J
Jump starting ........................................................... 6-9
K
Keyless entry (See remote keyless
entry system) ........................................................ 3-16
Keys ........................................................................\
.... 3-2 For Intelligent Key system ............................. 3-7
L
Labels
Air bag warning labels ................................. 1-59
Air conditioner specification label ......... 10-16
Emission control information label ........ 10-16
Engine serial number ................................. 10-15 F.M.V.S.S./C.M.V.S.S.
certification label ........................................ 10-15
Tire and Loading
information label ............................. 8-34, 10-16
Vehicle identification number (VIN) ...... 10-14
Lane Departure Warning (LDW)/Lane
Departure Prevention (LDP) ............................ 5-34
LATCH system ..................................................... 1-26
License plate Installing front license plate ..................... 10-17
Light Air bag warning light .................................... 1-59
Bulb replacement .......................................... 8-28
Fog light switch ............................................. 2-42
Headlight switch ............................................ 2-35
Indicator lights ................................................ 2-16
Interior light control switch ........................ 2-56
Interior lights ................................................... 2-55
Map lights ........................................................ 2-55
Personal lights ................................................ 2-55
Replacement .................................................. 8-28
Trunk light ....................................................... 2-57
Vanity mirror lights ....................................... 2-57
Warning/indicator lights and
audible reminders .......................................... 2-10
Lights Exterior and interior light replacement .... 8-29
Loading information (See vehicle
loading information) ......................................... 10-19
Lock Automatic door locks ..................................... 3-6 Door locks .......................................................... 3-4
Power door lock ............................................... 3-4
Trunk lid ........................................................... 3-23
Locking with mechanical key ............................. 3-4
Log-in function .................................................... 3-16
Loose Fuel Cap warning ....................... 2-22, 3-28
Low fuel warning light ....................................... 2-12
Low outside temperature warning ................. 2-23
Low tire pressure warning light ...................... 2-12
Low tire pressure warning system (See Tire
Pressure Monitoring
System (TPMS)) ................................ 5-5, 6-3, 8-32
M
Maintenance
Battery .............................................................. 8-16
General maintenance ...................................... 9-2
Indicators for maintenance (vehicle
information display) ...................................... 2-25
Inside the vehicle ............................................. 9-3
Maintenance log ............................................ 9-17
Maintenance precautions .............................. 8-3
Maintenance requirements ........................... 9-2
Maintenance schedules ................................. 9-6
Maintenance under severe
driving conditions .......................................... 9-16
Outside the vehicle ......................................... 9-2
Seat belt maintenance ................................. 1-20
Standard maintenance .................................... 9-7
Under the hood and vehicle ......................... 9-4
Maintenance schedules ........................................ 9-6