INFINITI Q50-HYBRID 2018 Owners Manual

5-76Starting and driving
SSD0254
When driving on the freeway at a set speed
and approaching a slower traveling vehicle
ahead, the ICC system will adjust the speed
to maintain the distance, selected by the
driver, from the vehicle ahead. If the vehicle
ahead changes lanes or exits the freeway,
the ICC system will accelerate and maintain
the speed up to the set speed. Pay attention
to the driving operation to maintain control
of the vehicle as it accelerates to the set
speed.
The vehicle may not maintain the set speed
on winding or hilly roads. If this occurs, you
will have to manually control the vehicle
speed.
Normally when controlling the distance to avehicle ahead, this system automatically
accelerates or decelerates your vehicle ac-
cording to the speed of the vehicle ahead.
Depress the accelerator to properly accel-
erate your vehicle when acceleration is
required for a lane change. Depress the
brake pedal when deceleration is required
to maintain a safe distance to the vehicle
ahead due to its sudden braking or if a
vehicle cuts in. Always stay alert when using
the ICC system.
JVS0836X
Vehicle-to-vehicle distance control
mode switches
The system is operated by a MAIN switch
and four control switches, all mounted on
the steering wheel.
1. RESUME/ACCELERATE (+) switch:
Resumes set speed or increases speed
incrementally.
2. SET/COAST (-) switch: Sets desired cruise speed, reduces speed
incrementally.
3. CANCEL switch: Deactivates the system without erasing
the set speed.

4. MAIN switch:Master switch to activate the system
5. DISTANCE switch: Changes the vehicle’s following distance:
.Long.Middle.Short
JVS0220X
Vehicle-to-vehicle distance control
mode display and indicators
The display is located between the speed-
ometer and tachometer.
1. This indicator indicates the ICC systemstatus depending on a color.
.Intelligent Cruise Control system ONindicator (white):
Indicates that the MAIN switch is ON.
.Intelligent Cruise Control system setindicator (green):
Indicates that cruising speed is set
.Intelligent Cruise Control systemwarning (orange): Indicates that there is a malfunction in
the ICC system.
2. Vehicle ahead detection indicator: Indicates whether it detects a vehicle in
front of you.
3. Set vehicle speed indicator:
Indicates the set vehicle speed.
For Canadian models, the speed is dis-
played in km/h.
4. Set distance indicator:
Displays the selected distance between
vehicles set with the DISTANCE switch.
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5-78Starting and driving
JVS0837X
Operating vehicle-to-vehicle dis-
tance control mode
To turn on the cruise control,quickly push
and release the MAIN switchon. The
Intelligent Cruise Control (ICC) system ON
indicator (white), set distance indicator and
set vehicle speed indicator come on and in a
standby state for setting.
JVS0838X
To set cruising speed, accelerate your
vehicle to the desired speed, push the SET/
COAST (-) switch and release it. (The ICC
system set indicator (green), vehicle ahead
detection indicator, set distance indicator
and set vehicle speed indicator come on.)
Take your foot off the accelerator pedal.
Your vehicle will maintain the set speed.
JVS0214X
When the SET/COAST (-) switch is pushed
under the following conditions, the system
cannot be set and the ICC indicators will
blink for approximately 2 seconds:
. When traveling below 20 MPH (32
km/h) and the vehicle ahead is not
detected
. When the shift lever is not in the D (Drive)
or manual shift mode
. When the parking brake is applied
. When the brakes are operated by the
driver
When the SET/COAST (-) switch is pushed
under the following conditions, the system
cannot be set.

A warning chime will sound and the “cur-
rently unavailable” warning message ap-
pears in the vehicle information display.
.When the INFINITI Drive Mode Selector
is turned to the SNOW mode (To use the
ICC system, turn the INFINITI Drive
Mode Selector to a mode other than
the SNOW mode, push the MAIN switch
to turn off the ICC and reset the ICC
switch by pressing the MAIN switch
again.)
For details about the INFINITI Drive
Mode Selector, see “INFINITI Drive
Mode Selector” (P.5-21).
. When the VDC system is off (To use the
ICC system, turn on the VDC system.
Push the MAIN switch to turn off the
ICC system and reset the ICC switch by
pushing the MAIN switch again.)
For details about the VDC system, see
“Vehicle Dynamic Control (VDC) system”
(P.5-130).
. When ABS or VDC (including the traction
control system) is operating
. When a wheel is slipping (To use the ICC
system, make sure the wheels are no
longer slipping.)
JVS0210X
System set display with vehicle ahead
System set display without vehicle
ahead
The driver sets the desired vehicle speed
based on the road conditions. The ICC
system maintains the set vehicle speed,
similar to standard cruise control, as long
as no vehicle is detected in the lane ahead.
The ICC system displays the set speed.
Vehicle detected ahead:
When a vehicle is detected in the lane ahead,
the ICC system decelerates the vehicle by
controlling the throttle and applying the
brakes to match the speed of a slower
vehicle ahead. The system then controls the vehicle speed based on the speed of the
vehicle ahead to maintain the driver selected
distance.
NOTE:
.
The stop lights of the vehicle come on
when braking is performed by the ICC
system.
. When the brake operates, a noise may be
heard. This is not a malfunction.
When a vehicle ahead is detected, the
vehicle ahead detection indicator comes on.
The ICC system will also display the set
speed and selected distance.
Vehicle ahead not detected:
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5-80Starting and driving
When a vehicle is no longer detected ahead,
the ICC system gradually accelerates your
vehicle to resume the previously set vehicle
speed. The ICC system then maintains the
set speed.
When a vehicle is no longer detected the
vehicle ahead detection indicator turns off.
If a vehicle ahead appears during accelera-
tion to the set vehicle speed or any time the
ICC system is in operation, the system
controls the distance to that vehicle.
When a vehicle is no longer detected under
approximately 15 MPH (24 km/h), the
system will be canceled.
JVS0211X
When passing another vehicle,the set speed
indicator will flash when the vehicle speed
exceeds the set speed. The vehicle detect
indicator will turn off when the area ahead
of the vehicle is open. When the pedal is
released, the vehicle will return to the
previously set speed.
Even though your vehicle speed is set in the
ICC system, you can depress the accelerator
pedal when it is necessary to accelerate your
vehicle rapidly.
How to change the set vehicle
speed
To cancel the preset speed, use any of these
methods: .
Push the CANCEL switch. The set vehicle
speed indicator will go out.
. Tap the brake pedal. The set vehicle
speed indicator will go out.
. Turn the MAIN switch off. Both the
Intelligent Cruise Control system set
indicator (green) and set vehicle speed
indicator will go out.
To reset at a faster cruising speed, use one
of the following methods:
. Depress the accelerator pedal. When the
vehicle attains the desired speed, push
and release the SET/COAST (-) switch.
. Push and hold the RESUME/ACCELER-
ATE (+) switch. The set vehicle speed will
increase by approximately 5 MPH (5
km/h for Canada).
. Push, then quickly release the RESUME/
ACCELERATE (+) switch. Each time you
do this, the set speed will increase by
approximately 1 MPH (1 km/h for Ca-
nada).
To reset at a slower cruising speed, use one
of the following methods:
. Lightly tap the brake pedal. When the
vehicle attains the desired speed, push
the SET/COAST (-) switch and release it.
. Push and hold the SET/COAST (-)
switch. The set vehicle speed will de-
crease by approximately 5 MPH (5 km/h
for Canada).

.Push, then quickly release the SET/
COAST (-) switch. Each time you do this,
the set speed will decrease by approxi-
mately 1 MPH (1 km/h for Canada).
To resume the preset speed, push and
release the RESUME/ACCELERATE (+)
switch. The vehicle will resume the last set
cruising speed when the vehicle speed is over
20 MPH (32 km/h).
JVS0839X
How to change the set distance to
the vehicle ahead
The distance to the vehicle ahead can be
selected at any time depending on the traffic
conditions.
Each time the DISTANCE switch
is
pushed, the set distance will change to long,
middle, short and back to long again in that
sequence.
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5-82Starting and driving
JVS0250M
.The distance to the vehicle ahead will
change according to the vehicle speed.
The higher the vehicle speed, the longer
the distance.
. If the INFINITI Direct Response Hybrid
®
System is stopped, the set distance
becomes “long”. (Each time the hybrid system is started, the initial setting
becomes “long”.)
Approach warning
If your vehicle comes closer to the vehicle
ahead due to rapid deceleration of that
vehicle or if another vehicle cuts in, thesystem warns the driver with the chime and
ICC system display. Decelerate by depres-
sing the brake pedal to maintain a safe
vehicle distance if:
.
The chime sounds.
. The vehicle ahead detection indicator and
set distance indicator blink.
The warning chime may not sound in some
cases when there is a short distance be-
tween vehicles. Some examples are:
. When the vehicles are traveling at the
same speed and the distance between
vehicles is not changing
. When the vehicle ahead is traveling
faster and the distance between vehicles
is increasing
. When a vehicle cuts in near your vehicle
The warning chime will not sound when:
. Your vehicle approaches other vehicles
that are parked or moving slowly.
. The accelerator pedal is depressed, over-
riding the system.
NOTE:
The approach warning chime may sound
and the system display may blink when the
radar sensor detects objects on the side of
the vehicle or on the side of the road. This
may cause the ICC system to decelerate or
accelerate the vehicle. The radar sensor may
detect these objects when the vehicle is

driven on winding roads, narrow roads, hilly
roads or when entering or exiting a curve. In
these cases you will have to manually
control the proper distance ahead of your
vehicle.
Also, the sensor sensitivity can be affected
by vehicle operation (steering maneuver or
driving position in the lane) or traffic or
vehicle condition (for example, if a vehicle is
being driven with some damage).
Automatic cancellation
A chime sounds under the following condi-
tions and the control is automatically can-
celed.
.When the vehicle ahead is not detected
and your vehicle is traveling below the
speed of 15 MPH (24 km/h)
. When the system judges the vehicle is at
standstill
. When the shift lever is not in the D
position or manual shift mode
. When the parking brake is applied
. When the INFINITI Drive Mode Selector
is turned to the SNOW mode
. When the VDC system is turned off
. When ABS or VDC (including the traction
control system) operates
. When distance measurement becomes
impaired due to adhesion of dirt or
obstruction to the sensor .
When a wheel slips
. When the radar signal is temporarily
interrupted
Vehicle-to-vehicle distance control
mode limitations
WARNING
Listed below are the system limitations
for the ICC system. Failure to operate
the vehicle in accordance with these
system limitations could result in serious
injury or death.
. The system is primarily intended for
use on straight, dry, open roads with
light traffic. It is not advisable to use
the system in city traffic or con-
gested areas.
. This system will not adapt automati-
cally to road conditions. This system
should be used in evenly flowing
traffic. Do not use the system on
roads with sharp curves, or on icy
roads, in heavy rain or in fog.
. As there is a performance limit to the
distance control function, never rely
solely on the ICC system. This system
does not correct careless, inattentive
or absent-minded driving, or over- come poor visibility in rain, fog, or
other bad weather. Decelerate the
vehicle speed by depressing the brake
pedal, depending on the distance to
the vehicle ahead and the surround-
ing circumstances in order to main-
tain a safe distance between vehicles.
. If the vehicle ahead comes to a stop,
the vehicle decelerates to a standstill
within the limitations of the system.
The system will cancel once it judges
that the vehicle has come to a
standstill and sound a warning chime.
To prevent the vehicle from moving,
the driver must depress the brake
pedal.
. Always pay attention to the opera-
tion of the vehicle and be ready to
manually control the proper follow-
ing distance. The vehicle-to-vehicle
distance control mode of the ICC
system may not be able to maintain
the selected distance between vehi-
cles (following distance) or selected
vehicle speed under some circum-
stances.
. The system may not detect the
vehicle in front of you in certain road
or weather conditions. To avoid ac-
cidents, never use the ICC system
under the following conditions:
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5-84Starting and driving
— On roads where the traffic isheavy or there are sharp curves
— On slippery road surfaces such as on ice or snow, etc.
— During bad weather (rain, fog, snow, etc.)
— When rain, snow or dirt adhere to the system sensor
— On steep downhill roads (the vehicle may go beyond the set
vehicle speed and frequent brak-
ing may result in overheating the
brakes)
— On repeated uphill and downhill roads
— When traffic conditions make it difficult to keep a proper distance
between vehicles because of fre-
quent acceleration or deceleration
. In some road or traffic conditions, a
vehicle or object can unexpectedly
come into the sensor detection zone
and cause automatic braking. You
may need to control the distance
from other vehicles using the accel-
erator pedal. Always stay alert and
avoid using the ICC system when it is
not recommended in this section. The radar sensor will not detect the follow-
ing objects:
.
Stationary and slow moving vehicles
. Pedestrians or objects in the roadway
. Oncoming vehicles in the same lane
. Motorcycles traveling offset in the travel
lane
The sensor generally detects the signals
returned from the vehicle ahead. Therefore,
if the sensor cannot detect the reflection
from the vehicle ahead, the ICC system may
not maintain the selected distance.
The following are some conditions in which
the sensor cannot detect the signals:
. When the snow or road spray from
traveling vehicles reduces the sensor’s
visibility
. When excessively heavy baggage is
loaded in the rear seat or the trunk of
your vehicle
The ICC system is designed to automatically
check the sensor’s operation within the
limitation of the system. When the sensor
is covered with dirt or is obstructed, the
system will automatically be canceled. If the
sensor is covered with ice, a transparent or
translucent vinyl bag, etc., the ICC system
may not detect them. In these instances, the
vehicle-to-vehicle distance control mode
may not cancel and may not be able to
maintain the selected following distance from the vehicle ahead. Be sure to check
and clean the sensor regularly.

SSD0252
The detection zone of the radar sensor is
limited. A vehicle ahead must be in the
detection zone for the vehicle-to-vehicle
distance detection mode to maintain the
selected distance from the vehicle ahead.
A vehicle ahead may move outside of the
detection zone due to its position within the
same lane of travel. Motorcycles may not be
detected in the same lane ahead if they are
traveling offset from the centerline of the
lane. A vehicle that is entering the lane ahead
may not be detected until the vehicle has
completely moved into the lane.If this
occurs, the ICC system may warn you by
blinking the system indicator and sounding
the chime. The driver may have to manually control the proper distance away from
vehicle traveling ahead.
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