2011 INFINITI QX engine

The LDW system is not designed to warn under
the following conditions.
– When you operate the lane change signaland change traveling lanes in the direction of
the signal. (The LDW system will become
operable again approximately 2 seconds af-
ter the lane change signal is turned off.)
– When the vehicle speed lowers to less than approximately 45 MPH (70 km/h).
After the above conditions have finished and
the necessary operating conditions are satis-
fied, the LDW functions will resume.
Turning on or off the LDW system (Type A) :
The LDW system is automatically turned on
when the engine is started and the warning
systems ON indicator light
1illuminates on
the warning systems switch. You can turn the
LDW system off by pushing the warning sys-
tems switch on the instrument panel. This
switch will turn on and off the LDW, BSW and
FCW systems at the same time. NOTE:
If you continue to push the warning systems
switch from off to on for over 4 seconds, a chime
will sound. This will change the default status of
the LDW, BSW and FCW systems to OFF so that
these systems will not automatically turn on
when the engine is started. If this procedure is
repeated, the default status will return to ON.
Turning on or off the LDW system (Type B) :
The warning systems switch is used to turn on
and off the LDW system when it is activated
using the settings menu on the center display.
See “How to enable/disable the LDW system
using the settings menu (Type B)” later in this
section.
When the warning systems switch is turned off,
the indicator
1on the switch is off. The
indicator will also be off if the LDW, the Blind
Spot Warning (BSW) and the Forward Collision
Warning (FCW) systems are deactivated.
For the BSW and FCW systems, see “BLIND
SPOT WARNING (BSW) SYSTEM” later in this
section and “FORWARD COLLISION WARNING
(FCW) SYSTEM” later in this section.
Warning systems switch
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5-22Starting and driving

LANE DEPARTURE PREVENTION (LDP)
SYSTEM
Precautions on LDP system
WARNING
●The LDP system will not steer the vehicle or
prevent loss of control. It is the driver’s re-
sponsibility to stay alert, drive safely, keep
the vehicle in the traveling lane, and be in
control of vehicle at all times.
● The LDP system is primarily intended for use
on well-developed freeways or highways. It
may not detect the lane markers in certain
roads, weather or driving conditions.
● Using the LDP system under some condi-
tions of road, lane marker or weather, or
when you change lanes without using the
lane change signal could lead to an unex-
pected system operation. In such condi-
tions, you need to correct the vehicle’s direc-
tion with your steering operation to avoid
accidents.
● When the LDP system is operating, avoid
excessive or sudden steering maneuvers.
Otherwise, you could lose control of the
vehicle. ●
The LDP system will not operate at speeds
below approximately 45 MPH (70 km/h) or if
it cannot detect lane markers.
● The LDP system may not function properly
under the following conditions, and do not
use the LDP system:
– During bad weather (rain, fog, snow, wind, etc.).
– When driving on slippery roads, such as on ice or snow, etc.
– When driving off-road such as on sand or rock, etc.
– When driving on winding or uneven roads.
– When there is a lane closure due to road repairs.
– When driving in a makeshift 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.
– When towing a trailer or other vehicle. ●
If the LDP system malfunctions, it will cancel
automatically. The lane departure warning
light (orange) on the instrument panel will
illuminate.
● If the lane departure warning light (orange)
illuminates, pull off the road to a safe loca-
tion and stop the vehicle. Turn the engine off
and restart the engine. If the warning light
(orange) continues to illuminate, have the
LDP system checked by an INFINITI retailer.
● Excessive noise will interfere with the warn-
ing chime sound, and the chime may not be
heard.
The functions of the LDP system (warning and
brake control assist) may or may not operate
properly under the following conditions:
● On roads where there are multiple parallel
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 discontinued lane markers
are still detectable.
5-24Starting and driving

The brightness of the BSW indicator lights is
adjusted automatically depending on the
brightness of the ambient light.
A chime sounds if the radar sensors have
already detected vehicles when the driver acti-
vates the turn signal. If a vehicle comes into the
detection zone after the driver activates the turn
signal, then only the BSW indicator light flashes
and no chime sounds. (See “BSW DRIVING
SITUATIONS” later in this section)
Turning on or off the BSW system
(Type A)
The BSW system is automatically turned on
when the engine is started and the warning
systems ON indicator light
1illuminates on
the warning systems switch. You can turn the
BSW system off by pushing the warning sys-
tems switch on the instrumental panel. This
switch will turn on and off the LDW, BSW and
FCW systems at the same time. NOTE:
If you continue to push the warning systems
switch from off to on for over 4 seconds, a chime
will sound. This will change the default status of
the LDW, BSW and FCW systems to OFF so that
these systems will not automatically turn on
when the engine is started. If this procedure is
repeated, the default status will return to ON.
Turning on or off the BSW system
(Type B)
The warning systems switch is used to turn on
and off the BSW system when it is activated
using the settings menu on the center display.
See “How to enable/disable the BSW system
using the settings menu” later in this section.
When the warning systems switch is turned off,
the indicator
1on the switch is off. The
indicator will also be off if the BSW, the Lane
Departure Warning (LDW) and the Forward Col-
lision Warning (FCW) systems are deactivated.
For the LDW and FCW systems, see “LANE
DEPARTURE WARNING (LDW)/PREVENTION (LDP)
SYSTEM” earlier in this section and “FORWARD
COLLISION WARNING (FCW) SYSTEM” later in
this section.
Warning systems switch
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Starting and driving5-31

Entering from the side
The BSW indicator light illuminates if a vehicle
enters the detection zone from either side.
NOTE:
The radar sensors may not detect a vehicle
which is traveling at about the same speed as
your vehicle when it enters the detection zone.If the driver activates the turn signal, then the
BSW indicator light flashes and a chime will
sound twice.
NOTE:
If the driver activates the turn signal before a
vehicle enters the detection zone, the BSW indi-
cator light will flash but no chime will sound
when another vehicle is detected.
BSW temporarily not available
●
When radar blockage is detected, the BSW
system will be turned off automatically, a
beep will sound and the BSW system warn- ing light (orange) will blink. The BSW system
is not available until the condition no longer
exists.
The radar sensors may be blocked by temporary
ambient conditions such as splashing water,
mist or fog. The blocked condition may also be
caused by objects such as ice, frost or dirt
obstructing the radar sensors.
Action to take:
When the above condition no longer exists, the
BSW system will resume automatically.
If the warning light (orange) continues to blink,
have the BSW system checked by an INFINITI
retailer.
BSW MALFUNCTION
When the BSW system malfunctions, they will
be turned off automatically, a beep will sound
and the BSW system warning light (orange) will
illuminate.
Action to take:
Stop the vehicle in a safe location, turn the
engine off and restart the engine.
If the warning light (orange) continues to illu-
minate, have the BSW system checked by an
INFINITI retailer.
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5-36Starting and driving

SYSTEM MAINTENANCE
The two radar sensor units1for the BSW
system is located near the rear bumper. Always
keep the area near the radar sensors clean. Do
not attach stickers (including transparent mate-
rial), install accessories or apply additional
paint near the radar sensors. Do not strike or
damage the area around the radar sensors.
Consult an INFINITI retailer if the area around
the radar sensors is damaged due to a collision.
Radio frequency statement
This device complies with part 15 of the FCC
Rules and RSS-310 of Industry Canada.
Operation is subject to the following two con-
ditions:
1. This device may not cause harmful inter- ference.
2. This device must accept any interference received, including interference that may
cause undesired operation.
Frequency of operation: 24.05GHz — 24.25GHz
Field Strength: Not greater than 2.5V/m peak
(0.25V/m average) at a distance of 3 m
The manufacturer is not responsible for any
radio or TV interference caused by unauthorized
modifications to this equipment. Such modifi-
cations could void the user’s authority to oper-
ate the equipment.
PRECAUTIONS ON CRUISE CONTROL
●If the cruise control system malfunctions, it
will cancel automatically. The CRUISE indica-
tor light on the meter panel will then blink to
warn the driver.
● If the engine coolant temperature becomes
excessively high, the cruise control system
will be canceled automatically.
● If the CRUISE indicator light blinks, turn the
cruise control main switch off and have the
system checked by your INFINITI retailer.
● The CRUISE indicator light may sometimes
blink when the cruise control main switch is
turned ON while pushing the RESUME/
ACCELERATE, SET/COAST or CANCEL switch.
To properly set the cruise control system,
perform the steps below in the order indi-
cated.
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CRUISE CONTROL
Starting and driving5-37

4. Indicates your vehicle
5. Set vehicle speed indicator:
Indicates the set vehicle speed.
For Canadian models, the speed is displayed
in km/h.
6. Intelligent Cruise Control (ICC) systemwarning light (orange):
The light comes on if there is a malfunction
in the ICC system.
When the ignition switch is pushed to the ON
position, the indicators come on as illustrated
to check for a burned-out bulb, and it turns off
when the engine is started.
Operating vehicle-to-vehicle distance
control mode
To turn on the cruise control,quickly push and
release the MAIN switch
Aon. The MAIN
switch indicator, set distance indicator and set
vehicle speed indicator come on and in a
standby state for setting.
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5-48Starting and driving

●The distance to the vehicle ahead will
change according to the vehicle speed. The
higher the vehicle speed, the longer the
distance. ●
If the engine is stopped, the set distance
becomes “long”. (Each time the engine 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, the system warns
the driver with the chime and Intelligent Cruise
Control (ICC) system display. Decelerate by
depressing the brake pedal to maintain a safe
vehicle distance if:
● The chime sounds.
● The vehicle ahead detection and set dis-
tance indicator blink.
The warning chime may not sound in some
cases when there is a short distance between
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 in-
creasing
● When a vehicle cuts in near your vehicle
The warning chime will not sound in the follow-
ing cases:
● When your vehicle approaches vehicles that
are parked or moving slowly
● When the accelerator pedal is depressed,
overriding the system
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5-54Starting and driving

Warning light and display
Condition A :
The chime sounds and the Intelligent Cruise
Control (ICC) system is canceled automatically
in the conditions described below. Part of the
system display will come on or blink, making it
impossible to set.
●When the VDC is turned off
● When the ABS or VDC operates
● When a tire slips ●
When driving into a strong light (i.e., sun-
light)
● When the SNOW mode switch is pushed on
● When the 4WD shift switch is in the 4H or 4L
position
Action to take :
When the conditions listed above are no longer
present, turn the system off using the ICC MAIN
switch. Turn the ICC system back on to use the
system.
Condition B :
When the sensor window is dirty, making it
impossible to detect a vehicle ahead, the ICC
system is automatically canceled.
The chime sounds and the ICC system warning
light (orange) will come on and the CLEAN
SENSOR indicator will appear.
Action to take :
If the warning light comes on, park the vehicle
in a safe place, turn the engine off. Clean the
sensor window with a soft cloth and then
perform the settings again.
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