2014 INFINITI Q50 HYBRID ABS

5-108Starting and driving
but without anti-lock assistance.
If the ABS warning light illuminates during
the self-test or while driving, have the
vehicle checked by an INFINITI retailer.
Normal operation
The ABS operates at speeds above 3 to 6
MPH (5 to 10 km/h).
When the ABS senses that one or more
wheels are close to locking up, the actuator
rapidly applies and releases hydraulic
pressure. This action is similar to pumping
the brakes very quickly. You may feel a
pulsation in the brake pedal and hear a
noise from under the hood or feel a
vibration from the actuator when it is
operating. This is normal and indicates
that the ABS is operating properly. How-
ever, the pulsation may indicate that road
conditions are hazardous and extra care is
required while driving.The Vehicle Dynamic Control (VDC) system
uses various sensors to monitor driver
inputs and vehicle motion. Under certain
driving conditions, the VDC system helps
to perform the following functions.
.
Controls brake pressure to reduce
wheel slip on one slipping drive wheel
so power is transferred to a non
slipping drive wheel on the same axle.
. Controls brake pressure and engine or
motor output to reduce drive wheel slip
based on vehicle speed (traction con-
trol function).
. Controls brake pressure at individual
wheels and engine or motor output to
help the driver maintain control of the
vehicle in the following conditions:
— understeer (vehicle tends to not
follow the steered path despite
increased steering input)
— oversteer (vehicle tends to spin due
to certain road or driving condi-
tions).
The VDC system can help the driver to
maintain control of the vehicle, but it
cannot prevent loss of vehicle control in
all driving situations.
When the VDC system operates, the VDC
warning light
in the instrument panel flashes so note the following:
.
The road may be slippery or the system
may determine some action is required
to help keep the vehicle on the steered
path.
. You may feel a pulsation in the brake
pedal and hear a noise or vibration
from under the hood. This is normal
and indicates that the VDC system is
working properly.
. Adjust your speed and driving to the
road conditions.
See “Vehicle Dynamic Control (VDC) warn-
ing light” (P.2-18).
If a malfunction occurs in the system, the
VDC warning light
illuminates in the
instrument panel. The VDC system auto-
matically turns off.
The VDC OFF switch is used to turn off the
VDC system. The VDC off indicator light
illuminates to indicate the VDC system is
off. When the VDC switch is used to turn off
the system, the VDC system still operates
to prevent one drive wheel from slipping by
transferring power to a non slipping drive
wheel. The VDC warning light
flashes if
this occurs. All other VDC functions are off,
except for rise-up and build-up, and brake
force distribution, and the VDC warning
VEHICLE DYNAMIC CONTROL (VDC) SYSTEM

lightwill not flash. The VDC system is
automatically reset to on when the ignition
switch is placed in the off position then
back to the on position.
See “Vehicle Dynamic Control (VDC) warn-
ing light” (P.2-18) and “Vehicle Dynamic
Control (VDC) off indicator light” (P.2-20).
The computer has a built-in diagnostic
feature that tests the system each time you
start the INFINITI Direct Response Hybrid
®
System and move the vehicle forward or in
reverse at a slow speed. When the self-test
occurs, you may hear a “clunk”noise and/
or feel a pulsation in the brake pedal. This
is normal and is not an indication of a
malfunction.
RISE-UP AND BUILD-UP
The system gradually adjusts braking
power during normal braking to help
provide an enhanced brake feel.
BRAKE FORCE DISTRIBUTION
During braking while driving through turns,
the system optimizes the distribution of
force to each of the four wheels depending
on the radius of the turn.
WARNING
. The VDC system is designed to help the
driver maintain stability but does not
prevent accidents due to abrupt steering
operation at high speeds or by careless
or dangerous driving techniques. Reduce
vehicle speed and be especially careful
when driving and cornering on slippery
surfaces and always drive carefully.
. The rise-up and build-up, and brake force
distribution system may not be effective
depending on the driving condition.
Always drive carefully and attentively.
. Do not modify the vehicle’s suspension.
If suspension parts such as shock
absorbers, struts, springs, stabilizer
bars, bushings and wheels are not
INFINITI recommended for your vehicle
or are extremely deteriorated, the VDC
system may not operate properly. This
could adversely affect vehicle handling performance, and the VDC warning light
may illuminate.
. If brake related parts such as brake
pads, rotors and calipers are not INFINITI
recommended or are extremely deterio-
rated, the VDC system may not operate
properly and the VDC warning light
may illuminate.
. If engine control related parts are not
INFINITI recommended or are extremely
deteriorated, the VDC warning light
may illuminate.
. When driving on extremely inclined
surfaces such as higher banked corners,
the VDC system may not operate prop-
erly and the VDC warning light
may
illuminate. Do not drive on these types
of roads.
. When driving on an unstable surface
such as a turntable, ferry, elevator or
ramp, the VDC warning light
may
illuminate. This is not a malfunction.
Restart the hybrid system after driving
onto a stable surface.
. If wheels or tires other than the INFINITI
recommended ones are used, the VDC
system may not operate properly and
the VDC warning light
may illumi-
Starting and driving5-109

If any electrical equipment does not
operate, remove the extended storage fuse
switch and check for an open fuse.
NOTE:
If the extended storage fuse switch mal-
functions or if the fuse is open, it is not
necessary to replace the switch. In this
case, remove the extended storage fuse
switch and replace it with a new fuse of
the same rating.
How to remove the extended storage fuse
switch:
1. To remove the extended storage fuseswitch, be sure the ignition switch is in
the OFF or LOCK position.
2. Be sure the headlight switch is in the OFF position.
3. Remove the fuse box cover.
4. Pinch the locking tabs
*1found on
each side of the storage fuse switch.
5. Pull the storage fuse switch straight out from the fuse box
*2.
CAUTION
Be careful not to allow children to swallow
the battery and removed parts.
JVM0317X
To replace the battery:
1. Release the lock knob at the back of theIntelligent Key and remove the mechan-
ical key.
2. Insert a flat-blade screwdriver wrapped with a cloth into the slit of the corner
and twist it to separate the upper part
Maintenance and do-it-yourself8-25
INTELLIGENT KEY BATTERY REPLACEMENT

10 Index
Number
12-volt battery charge warning light ................. 2-12
A
ABS (Anti-lock Braking System) ....................... 5-107
Acceleration guide ............................................ 2-31
Active Lane Control ........................................... 5-24
Active noise control ........................................ 5-115
Active sound control ....................................... 5-115
Active trace control ......................................... 5-110
Air bag systemFront-seat mounted side-impact
supplemental air bag system ....................... 1-47
Roof-mounted curtain side-impact
supplemental air bag system ....................... 1-47
Air bag warning labels ...................................... 1-50
Air bag warning light ............................... 1-50, 2-17
Air cleaner housing filter ................................... 8-20
Air conditioner Air conditioner specification label ................ 9-13
Air conditioning system refrigerant and
lubricant recommendations ............................ 9-7
Air deflectors .................................................... 9-15
Air vent ............................................................... 7-6
Alarm How to stop alarm (see vehicle
security system) ........................................... 2-36
Alcohol, drugs and driving .................................. 5-9
Antenna .............................................................. 4-3 Anti-lock Braking System (ABS) ....................... 5-107
Appearance care
Exterior appearance care ................................ 7-2
Interior appearance care ................................ 7-5
Approaching Vehicle Sound for Pedestrians
(VSP) system .................................. Hybrid System-8
Armrest ............................................................... 1-5
Ashtray ............................................................. 2-49
Assist charge gauge ................. Hybrid System-5, 2-8
Audible reminders ............................................ 2-20
Audio ................................................................ 2-34
Autolight system ............................................... 2-41
Automatic Automatic transmission fluid (ATF) ............... 8-15
Driving with automatic transmission ............ 5-14
Automatic door locks .......................................... 3-5
Automatic drive positioner ................................ 3-28
Automatic moonroof.......................................... 2-56
Automatic seat positioner ................................. 3-28
Average speed .................................................. 2-33
Avoiding collision and rollover ............................ 5-8
B
Back-up Collision Intervention (BCI) system ....... 5-48
Battery .............................................................. 8-17
Battery replacement, Intelligent Key ............... 3-2
Battery saver system ................................... 2-45
Intelligent Key .............................................. 8-25 Before starting the INFINITI Direct Response
Hybrid
®System ................................................ 5-13
Blind Spot Warning (BSW) system/Blind Spot
Intervention
TM(BSI) system ............................... 5-37
Brake
Anti-lock Braking System (ABS) .................. 5-107
Brake fluid ................................................... 8-15
Brake force distribution ............................. 5-109
Brake system ............................................. 5-106
Brake system warning light (yellow) ............. 2-13
Brake warning light (red) ............................. 2-13
Parking brake operation ............................... 5-20
Rise-up and build-up ................................. 5-109
Break-in schedule ............................................. 5-99
Bulb check/instrument panel ............................ 2-12
Bulb replacement .............................................. 8-27
C
Capacities and recommended fuel/lubricants ...... 9-2
Car phone or CB radio ........................................ 4-3
Card holder ....................................................... 2-52
Catalytic converter
Three-way catalyst ......................................... 5-4
Changing inverter coolant ................................. 8-12
Chassis control ............................................... 5-112
Chassis control warning .................................... 2-27
Checking battery fluid level ............................... 8-18
Checking inverter coolant level ......................... 8-12
Child restraints ................................................. 1-19

10-8
Flat Tire - Visit dealer warning..................... 2-26
Hazard warning flasher switch ....................... 6-2
Lane Departure Warning (LDW) system ......... 5-31
Predictive forward collision
warning system ........................................... 5-94
Tire Pressure Monitoring
System (TPMS) .............................. 5-4, 6-3, 8-30
Vehicle information display .......................... 2-21
Warning lights ............................................. 2-12
Warning/indicator lights and
audible reminders ........................................ 2-12
Warning labels Air bag warning labels ................................. 1-50
Warning light .................................................... 2-12 Air bag warning light ......................... 1-50, 2-17
Anti-lock Braking System (ABS)
warning light ............................................... 2-13
Brake system warning light (yellow) ............. 2-13
Brake warning light (red) ............................. 2-13
Direct Response Hybrid
®System warning
light (hybrid system warning light) ............... 2-14
Forward emergency braking system
warning light ............................................... 2-15
Low fuel warning light ................................. 2-15
Low tire pressure warning light .................... 2-15
Power steering warning light ........................ 2-17
Seat belt warning light and chime ............... 2-17
Warranty
Emission control system warranty ................ 9-20
Washer switch Windshield wiper and washer switch ........... 2-38 Washing ............................................................. 7-2
Waxing ............................................................... 7-2
Wheel/tire size ................................................... 9-9
Wheels and tires ............................................... 8-30
Care of wheels ............................................... 7-3
Cleaning aluminum alloy wheels .................... 7-3
Cleaning bright wheels .................................. 7-4
Window washer fluid ........................................ 8-16
Window(s) Cleaning ........................................................ 7-3
Power windows ............................................ 2-54
Windshield wiper and washer switch ................ 2-38
Wiper
Rain-sensing auto wiper system ................... 2-40
Windshield wiper and washer switch ........... 2-38
Wiper blades ............................................... 8-21