2018 INFINITI Q50 HYBRID brake

2-40Instruments and controls
JVI0670X
Ambient image sensor maintenance:
The ambient image sensor
for the high
beam assist system is located in front of the
inside mirror. To keep the proper operation
of the high beam assist system and prevent a
system malfunction, be sure to observe the
following:
. Always keep the windshield clean.
. Do not attach a sticker (including trans-
parent material) or install an accessory
near the ambient image sensor.
. Do not strike or damage the areas around
the ambient image sensor. Do not touch
the sensor lens that is located on the
ambient image sensor. If the ambient image sensor is damaged due
to an accident, it is recommended you
contact an INFINITI retailer.
Battery saver system
A chime will sound and the light reminder
warning will appear in the vehicle informa-
tion display when the driver side door is
opened with the light switch in the
orposition and the ignition switch in the
ACC, OFF or LOCK position.
When the headlight switch is in the
orposition while the ignition switch is in
the ON position, the lights will automatically
turn off after a period of time when the
ignition switch has been pushed to the OFF
position.
When the headlight switch remains in the
orposition after the lights auto-
matically turn off, the lights will turn on
when the ignition switch is pushed to the ON
position.
CAUTION
. When you turn on the headlight
switch again after the lights auto-
matically turn off, the lights will not
turn off automatically. Be sure to
turn the light switch to the OFF
position when you leave the vehicle for extended periods of time, other-
wise the 12-volt battery will be
discharged.
. Never leave the light switch on when
the INFINITI Direct Response Hy-
brid
®System is not running for a
period of time even if the headlights
turn off automatically.
Daytime running light system
The daytime running lights automatically
illuminate when the hybrid system is started
with the parking brake released. The day-
time running lights operate with the head-
light switch in the OFF, AUTO or
position. Turn the headlight switch to theposition for full illumination when driv-
ing at night.
If the parking brake is applied before the
hybrid system is started, the daytime run-
ning lights do not illuminate. The daytime
running lights illuminate once the parking
brake is released. The daytime running lights
will remain on until the ignition switch is
pushed to the OFF position.

3-20Pre-driving checks and adjustments
about 2 seconds.
The following events will occur when the
engine starts:
. The front parking lights will turn on and
remain on as long as the engine is
running.
. The doors will be locked and the air
conditioner system may turn on.
. The engine will continue to run for about
10 minutes. Repeat the steps to extend
the time for an additional 10 minutes.
See “Extending engine run time” (P.3-
20).
Depress the brake pedal and place the
ignition switch in the ON position before
driving. For further instructions, see “Driving
the vehicle” (P.5-15).
EXTENDING ENGINE RUN TIME
The remote engine start function can be
extended one time by performing the steps
listed in “Remote starting the engine” (P.3-
19). Run time will be calculated as follows:
. The first 10 minute run time will start
when the remote engine start function is
performed.
. The second 10 minutes will start imme-
diately when the remote engine start
function is performed. For example, if
the engine has been running for 5
minutes, and 10 minutes are added, the engine will run for a total of 15 minutes.
. Extending engine run time will count
towards the two remote start limit.
A maximum of two remote starts, or a single
start with an extension, are allowed be-
tween ignition cycles.
The ignition switch must be cycled to the ON
position and then back to the OFF position
before the remote engine start procedure
can be used again.
CANCELING A REMOTE START
To cancel a remote start, perform one of the
following:
. Aim the Intelligent Key at the vehicle and
push and hold remote engine start
buttonuntil the front parking lights
turn off.
. Turn on the hazard indicator flashers.
. Cycle the ignition switch ON and then
OFF.
. The extended engine run time has ex-
pired.
. The first 10 minute timer has expired.
. The engine hood has been opened.
. The shift lever is moved out of P (Park).
. The alarm sounds due to illegal entry into
the vehicle.
. The ignition switch is pushed without an
Intelligent Key in the vehicle. .
The ignition switch is pushed with an
Intelligent Key in the vehicle but the
brake pedal is not depressed.
CONDITIONS THE REMOTE
START WILL NOT WORK
The remote engine start will not operate if
any of the following conditions are present:
. The ignition switch is placed in the ON
position.
. The hood is not securely closed.
. The hazard indicator flashers are on.
. The engine is still running. The engine
must be completely stopped. Wait at
least 6 seconds if the engine goes from
running to off. This is not applicable
when extending engine run time.
. The remote engine start
button is
not pushed and held for at least 2
seconds.
. The remote engine start
button is
not pushed and held within 5 seconds of
pushing the LOCK button.
. The brake pedal is depressed.
. The doors are not closed and locked.
. The trunk is open.
. The Intelligent Key warning message is
displayed in the vehicle information dis-
play.

5 Starting and driving
Precautions when starting and driving ....................... 5-4Exhaust gas (carbon monoxide) .............................. 5-4
Three-way catalyst ..................................................... 5-5
Tire Pressure Monitoring System (TPMS) ............ 5-5
Avoiding collision and rollover ................................. 5-9
Off-road recovery ....................................................... 5-9
Rapid air pressure loss ............................................... 5-9
Drinking alcohol/drugs and driving ...................... 5-10
Intelligent All-Wheel Drive (AWD) driving
safety precautions (AWD models) ........................ 5-10
Push-button ignition switch ......................................... 5-11 Operating range for hybrid system
start function .............................................................. 5-11
Push-button ignition switch operation ............... 5-12
Push-button ignition switch positions ................. 5-12
Emergency hybrid system shut off ....................... 5-13
Intelligent Key battery discharge .......................... 5-13
Before starting the INFINITI Direct Response
Hybrid
®System ................................................................ 5-14
Starting the INFINITI Direct Response
Hybrid
®System ................................................................ 5-14
Remote start ............................................................... 5-15
Driving the vehicle ........................................................... 5-15
Automatic transmission ........................................... 5-15
Parking brake .................................................................. 5-20 INFINITI Drive Mode Selector .................................... 5-21
STANDARD mode ................................................... 5-21
SPORT mode ............................................................ 5-21
SNOW mode ............................................................. 5-21
ECO mode ................................................................. 5-21
PERSONAL mode ................................................... 5-23
Active Lane Control (if so equipped) ........................ 5-24 Active Lane Control operation ............................ 5-26
Turning Active Lane Control ON/OFF ............. 5-27
How to enable/disable Active
Lane Control ............................................................. 5-28
Active Lane Control limitations ........................... 5-29
System temporarily unavailable .......................... 5-30
System malfunction ............................................... 5-30
System maintenance ............................................... 5-31
Lane Departure Warning (LDW)/Lane Departure
Prevention (LDP) (if so equipped) .............................. 5-32 LDW system operation .......................................... 5-33
How to enable/disable the LDW system ......... 5-34
LDP system operation ............................................ 5-34
Turning the LDP system ON/OFF ..................... 5-35
How to enable/disable the LDP system ........... 5-36
LDW/LDP system limitations .............................. 5-36
System temporarily unavailable ........................... 5-37
System malfunction ................................................ 5-38

System maintenance .............................................. 5-120
Break-in schedule .......................................................... 5-121
Fuel Efficient Driving Tips .......................................... 5-121
Increasing fuel economy .............................................. 5-122
Intelligent All-Wheel Drive (AWD) (if
so equipped) .................................................................... 5-123
Parking/parking on hills .............................................. 5-125
Power steering ............................................................... 5-126 Direct Adaptive Steering type .............................. 5-126
Brake system ................................................................. 5-128 Braking precautions ............................................... 5-128
Parking brake break-in ........................................... 5-129
Brake assist ..................................................................... 5-129 Brake assist ............................................................... 5-129
Anti-lock Braking System (ABS) .......................... 5-129
Vehicle Dynamic Control (VDC) system ................ 5-130 Rise-up and build-up .............................................. 5-131
Brake force distribution ......................................... 5-131 Active trace control ...................................................... 5-132
Hill Start Assist system .............................................. 5-134
Chassis control ............................................................. 5-134
Cold weather driving ................................................... 5-135
Freeing a frozen door lock .................................. 5-135
Antifreeze ................................................................. 5-135
12-volt Battery ....................................................... 5-135
Draining of coolant water ................................... 5-135
Tire equipment ........................................................ 5-135
Special winter equipment .................................... 5-135
Driving on snow or ice .......................................... 5-135
Engine block heater (if so equipped) ............... 5-136
Active noise cancellation/Active
sound enhancement ..................................................... 5-137
Active noise cancellation ..................................... 5-137
Active sound enhancement ................................. 5-137

5-8Starting and driving
.Facilities or electric devices using similar
radio frequencies are near the vehicle.
. If a transmitter set to similar frequencies
is being used in or near the vehicle.
. If a computer (or similar equipment) or a
DC/AC converter is being used in or near
the vehicle.
Low tire pressure warning light may illumi-
nate in the following cases.
. If the vehicle is equipped with a wheel
and tire without TPMS.
. If the TPMS has been replaced and the ID
has not been registered.
. If the wheel is not originally specified by
INFINITI.
FCC Notice:
For USA:
This device complies with Part 15 of the
FCC Rules. Operation is subject to the
following two conditions: (1) This device
may not cause harmful interference, and (2)
this device must accept any interference
received, including interference that may
cause undesired operation.
NOTE:
Changes or modifications not expressly
approved by the party responsible for
compliance could void the user’s authority
to operate the equipment. For Canada:
This device complies with Industry Canada
licence-exempt RSS standard(s). Operation
is subject to the following two conditions:
1.
This device may not cause interference,
and
2. This device must accept any interfer-
ence, include interference that may
cause undesired operation of the device.
TPMS with Tire Inflation Indicator
When adding air to an under-inflated tire,
the TPMS with Tire Inflation Indicator
provides visual and audible signals outside
the vehicle to help you inflate the tires to the
recommended COLD tire pressure.
Vehicle set-up:
1. Park the vehicle in a safe and level place.
2. Apply the parking brake and place the
shift lever in the P (Park) position.
3. Place the ignition switch in the ON position. Do not start the hybrid system.
Operation:
1. Add air to the tire.
2. After a few seconds, the hazard indica- tors will start flashing.
3. When the designated pressure is reached, the horn beeps once and the
hazard indicators stop flashing. 4. Perform the above steps for each tire.
.
If the tire is over-inflated more than
approximately 4 psi (30 kPa), the horn
beeps and the hazard indicators flash 3
times. To correct the pressure, push the
core of the valve stem on the tire briefly
to release pressure. When the pressure
reaches the designated pressure, the
horn beeps once.
. If the hazard indicator does not flash
within approximately 15 seconds after
starting to inflate the tire, it indicates
that the Tire Inflation Indicator is not
operating.
. The TPMS will not activate the Tire
Inflation Indicator under the following
conditions:
— If there is interference from an ex-
ternal device or transmitter
— The air pressure from the inflation device such as those using a power
socket is not sufficient to inflate the
tire
— If an electrical equipment is being used in or near the vehicle
— There is a malfunction in the TPMS system
— There is a malfunction in the horn or hazard indicators
. If the Tire Inflation Indicator does not
operate due to TPMS interference, move

the vehicle about 3 ft (1 m) backward or
forward and try again.
If the Tire Inflation Indicator is not working,
use a tire pressure gauge.
AVOIDING COLLISION AND
ROLLOVER
WARNING
Failure to operate this vehicle in a safe
and prudent manner may result in loss of
control or an accident.
Be alert and drive defensively at all times.
Obey all traffic regulations. Avoid excessive
speed, high speed cornering, or sudden
steering maneuvers, because these driving
practices could cause you to lose control of
your vehicle. As with any vehicle, a loss of
control could result in a collision with other
vehicles or objects, or cause the vehicle to
rollover, particularly if the loss of control
causes the vehicle to slide sideways. Be
attentive at all times, and avoid driving when
tired. Never drive when under the influence
of alcohol or drugs (including prescription or
over-the-counter drugs which may cause
drowsiness). Always wear your seat belt as
outlined in the “Seat belts” (P.1-9) of this
manual, and also instruct your passengers to do so.
Seat belts help reduce the risk of injury in
collisions and rollovers.
In a rollover crash,
an unbelted or improperly belted person is
significantly more likely to be injured or
killed than a person properly wearing a seat
belt.
OFF-ROAD RECOVERY
If driving the right side or left side wheels
may unintentionally leave the road surface.
Maintain control of the vehicle by following
the procedure below. Please note that this
procedure is only a general guide. The vehicle
must be driven as appropriate based on the
conditions of the vehicle, road and traffic.
1. Remain calm and do not overreact.
2. Do not apply the brakes.
3. Maintain a firm grip on the steering
wheel with both hands and try to hold
a straight course.
4. When appropriate, slowly release the accelerator pedal to gradually slow the
vehicle.
5. If there is nothing in the way, steer the vehicle to follow the road while the
vehicle speed is reduced. Do not attempt
to drive the vehicle back onto the road
surface until vehicle speed is reduced. 6. When it is safe to do so, gradually turn
the steering wheel until both tires return
to the road surface. When all tires are on
the road surface, steer the vehicle to stay
in the appropriate driving lane.
.If you decide that it is not safe toreturn the vehicle to the road surface
based on vehicle, road or traffic
conditions, gradually slow the vehicle
to a stop in a safe place off the road.
RAPID AIR PRESSURE LOSS
Rapid air pressure loss or a “blow-out” can
occur if the tire is punctured or is damaged
due to hitting a curb or pothole. Rapid air
pressure loss can also be caused by driving
on under-inflated tires.
Rapid air pressure loss can affect the
handling and stability of the vehicle, espe-
cially at highway speeds.
Help prevent rapid air pressure loss by
maintaining the correct air pressure and
visually inspect the tires for wear and
damage. See “Wheels and tires” (P.8-28) of
this manual.
If a tire rapidly loses air pressure or “blows-
out” while driving maintain control of the
vehicle by following the procedure below.
Please note that this procedure is only a
general guide. The vehicle must be driven as
appropriate based on the conditions of the
Starting and driving5-9

5-10Starting and driving
vehicle, road and traffic.
WARNING
The following actions can increase the
chance of losing control of the vehicle if
there is a sudden loss of tire air pressure.
Losing control of the vehicle may cause a
collision and result in personal injury.
.The vehicle generally moves or pulls
in the direction of the flat tire.
. Do not rapidly apply the brakes.
. Do not rapidly release the accelerator
pedal.
. Do not rapidly turn the steering
wheel.
1. Remain calm and do not overreact.
2. Maintain a firm grip on the steering wheel with both hands and try to hold
a straight course.
3. When appropriate, slowly release the accelerator pedal to gradually slow the
vehicle.
4. Gradually steer the vehicle to a safe location off the road and away from
traffic if possible.
5. Lightly apply the brake pedal to gradu- ally stop the vehicle. 6. Turn on the hazard warning flashers and
either contact a roadside emergency
service to change the tire or see “Jacking
up the vehicle and replacing tires” (P.8-
39) of this Owner’s Manual.DRINKING ALCOHOL/DRUGS
AND DRIVING
WARNING
Never drive under the influence of alco-
hol or drugs. Alcohol in the bloodstream
reduces coordination, delays reaction
time and impairs judgement. Driving
after drinking alcohol increases the like-
lihood of being involved in an accident
injuring yourself and others. Addition-
ally, if you are injured in an accident,
alcohol can increase the severity of the
injury.
INFINITI is committed to safe driving. How-
ever, you must choose not to drive under the
influence of alcohol. Every year thousands of
people are injured or killed in alcohol-related
accidents. Although the local laws vary on
what is considered to be legally intoxicated,
the fact is that alcohol affects all people
differently and most people underestimate
the effects of alcohol. Remember, drinking and driving don’t mix!
And that is true for drugs, too (over-the-
counter, prescription, and illegal drugs).
Don’t drive if your ability to operate your
vehicle is impaired by alcohol, drugs, or some
other physical condition.
INTELLIGENT ALL-WHEEL
DRIVE (AWD) DRIVING SAFETY
PRECAUTIONS (AWD models)
WARNING
.
Do not drive beyond the performance
capability of the tires, even with
Intelligent AWD engaged. Accelerat-
ing quickly, sharp steering maneuvers
or sudden braking may cause loss of
control.
. Always use tires of the same type,
size, brand, construction (bias, bias-
belted or radial), and tread pattern
on all four wheels. Install tire chains
on the rear wheels when driving on
slippery roads and drive carefully.
. This vehicle is not designed for off-
road (rough road) use. Do not drive
on sandy or muddy roads that tires
may get stuck in.

5-12Starting and driving
hybrid system.
.The trunk area is not included in the
operating range but the Intelligent Key
may function.
. If the Intelligent Key is placed on the
instrument panel, rear parcel shelf, inside
the glove box or door pocket, the
Intelligent Key may not function.
. If the Intelligent Key is placed near the
door or window outside the vehicle, the
Intelligent Key may function.
CAUTION
When pressing the ignition to the OFF
position, make sure the button is not
pressed twice. This may unintentionally
leave the vehicle in ACC or ON mode.
This may discharge the 12-volt battery.
JVS0266X
PUSH-BUTTON IGNITION
SWITCH OPERATION
When the ignition switch is pushed without
depressing the brake pedal, the ignition
switch position will change as follows:
. Push center once to change to ACC.
. Push center two times to change to ON.
. Push center three times to change to
OFF. (No position illuminates.)
. Push center four times to return to ACC.
. Open or close any door to return to
LOCK during the OFF position.
If the ignition switch is pushed quickly or is
rapidly pushed twice, the hybrid system may
not start. If this occurs, put the shift lever in the “P” (Park) position, and leave the ignition
switch in the “OFF” position for one minute.
Then depress the brake pedal and push the
ignition switch to “ON”. When the READY to
drive indicator light
illuminates, the
vehicle can be driven.
The ignition lock is designed so that the
ignition switch position cannot be switched
to LOCK until the shift lever is moved to the
P (Park) positon.
When the ignition switch cannot be
switched toward the LOCK position, move
the shift lever into the P (Park) position.
PUSH-BUTTON IGNITION
SWITCH POSITIONS
LOCK (Normal parking position)
The ignition switch can only be locked in this
position.
The ignition switch will be unlocked when it
is pushed to the ACC position while carrying
the Intelligent Key.
ACC (Accessories)
This position activates electrical accessories
such as the radio, when the hybrid system is
not running.