engine Acura ZDX 2012 Owner's Manual

Each tire pressure is shown in PSI
(U.S. models) or in kPa (Canadian
models).
Models equipped with the keyless
access system have an engine start/
stop button instead of an ignition
switch. ON mode is the equivalent of
ON (II). See page 196 for ignition
switch and power mode comparison.
Each tire has its own pressure
sensor. If the air pressure of a tire
becomes significantly low, the sensor
in that tire immediately sends a
signal that causes the low tire
pressure/TPMS indicator in the
instrument panel to come on. If this
happens, you will see which tire is
losing pressure on the multi-
information display along with a
‘‘CHECK TIRE PRESSURE ’’
message.
If any of the tires has low pressure,
the tire pressure monitor also shows
the above message and each tire
pressure to warn you about the low
tire pressure when you select the
display by pressing the INFO button
several times.
Canadian model
This shows that front left tire
is losing pressure.
U. S.
Canada
Tire Pressure Monitoring System (TPMS)49209/10/28 17:15:37 10 ACURA ZDX KA KC New North America Own 50 31SZN600 enu

Your vehicle is equipped with disc
brakes at all four wheels. A power
assist helps reduce the effort needed
on the brake pedal. The emergency
brake assist system increases the
stopping force when you depress the
brake pedal hard in an emergency
situation. The anti-lock brake system
(ABS) helps you retain steering
control when braking very hard.
Resting your foot on the pedal keeps
the brakes applied lightly, builds up
heat, and reduces their effectiveness
and reduces brake pad life. In
addition, fuel economy can be
reduced. It also keeps your brake
lights on all the time, confusing
drivers behind you.Constant application of the brakes
when going down a long hill builds
up heat and reduces their
effectiveness. Use the engine to
assist the brakes by taking your foot
off the accelerator and downshifting
to a lower gear.
Check the brakes after driving
through deep water. Apply the
brakes moderately to see if they feel
normal. If not, apply them gently and
frequently until they do. Be extra
cautious in your driving.
Braking System Design
The hydraulic system that operates
the brakes has two separate circuits.
Each circuit works diagonally across
the vehicle (the left-front brake is
connected with the right-rear brake,
etc.). If one circuit should develop a
problem, you will still have braking
at two wheels.
Brake Wear Indicators
All four brakes have audible brake
wear indicators.
If the brake pads need replacing, you
will hear a distinctive, metallic
screeching sound when you apply
the brake pedal. If you do not have
the brake pads replaced, they will
screech all the time. It is normal for
the brakes to occasionally squeal or
squeak when you apply them.
Braking System
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OverviewIf equippedThe collision mitigation braking
system™(CMBS ™) can assist you
when there is a possibility of your
vehicle hitting the vehicle in front of
you. It is designed to reduce the
speed of your vehicle before an
unavoidable collision occurs and, if
possible, to alert you to a potential
collision while there is time to
prevent it. Here is a brief description
of what the CMBS can do:●When your speed is above 10 mph
(16 km/h), the CMBS radar
sensor in the front grille can sense
a vehicle ahead of you. When your
vehicle gets too close to the
vehicle ahead of you, the system
may activate a warning beep,
causing automatic application of
the brakes, and causing the e-
pretensioners to tighten the front
seat belts (see page 24).
●The CMBS does not activate if the
speed difference between the two
vehicles is less than 10 mph (16
km/h). CMBS may also not
activate if you turn the steering
wheel to avoid the collision.
When the CMBS activates, the brake
lights also come on.
The CMBS consists of a radar sensor
in the front grille, a brake actuator in
the engine compartment, an
indicator on the instrument panel,
seat belt e-pretensioners on the front
seats, and an on/off switch under the
driver's side vent.RADAR SENSOR
BRAKE
ACTUATOR SEAT BELT
e-PRETENSIONERS
Collision Mitigation Braking System
™(CMBS™ )49809/10/28 17:15:37 10 ACURA ZDX KA KC New North America Own 50 31SZN600 enu

CMBS OFF ButtonTo turn the CMBS off, press the
CMBS OFF button under the driver's
side vent for about 1 second. When
you do this, a beeper sounds, a
CMBS indicator on the instrument
panel comes on, and a CMBS OFF
message appears on the multi-
information display. To turn the
system back on, press the button
again for about 1 second.When you select the ON mode by
operating the engine start/stop
button (see page 194), the CMBS is
turned on if it was on previously.
Automatic Shut Off
Any of the conditions below can
cause the CMBS to shut off. When
the system shuts off, the CMBS
indicator in the instrument panel
comes on, and a CHECK CMBS
SYSTEM message appears on the
multi-information display for about 5
seconds.
●An abnormal tire condition is
detected (wrong tire size, flat tire,
etc.).●Extended off-road or mountainous
driving.●Driving your vehicle with the
parking brake applied.●Driving your vehicle in bad
weather (rain, fog, snow, etc.).●A dirty radar sensor cover on the
front grille.
The CMBS will automatically recover
when these conditions are improved.
CMBS OFF BUTTON
Collision Mitigation Braking System ™(CMBS™ )50209/10/28 17:15:37 10 ACURA ZDX KA KC New North America Own 50 31SZN600 enu

CMBS IndicatorThis indicator comes on for several
seconds when you select the ON
mode by operating the engine start/
stop button (see page 194). It also
comes on and stays on when you
turn the CMBS off by pressing the
CMBS OFF button.
To turn the CMBS back on, make
sure the vehicle is stopped and the
power mode is set to ON, then press
the CMBS OFF switch for about 1
second.The CMBS indicator normally comes
on under these conditions:
●When you manually turn off the
system.●When the system shuts off
automatically.●When you drive in bad weather
(rain, snow, fog, etc.).●If anything covers the radar sensor
cover (dirt, mud, dry leaves, wet
snow, etc.).●When the VSA system indicator
comes on (see page 508).
●When you select the ON mode by
operating the engine start/stop
button, the CMBS indicator should
come on for a few seconds, then
go off. If the indicator comes on at
any other time and a CHECK
CMBS SYSTEM message appears
on the multi-information display,
there is a problem with the CMBS.
You can still drive your vehicle,
but CMBS will not be operating.
Have your vehicle checked by a
dealer.
CMBS
INDICATOR
U.S. model is shown.
CONTINUED
Collision Mitigation Braking System ™(CMBS™ )
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The vehicle stability assist (VSA)
system helps to stabilize the vehicle
during cornering if the vehicle turns
more or less than desired. It also
assists you in maintaining traction
while accelerating on loose or
slippery road surfaces. It does this by
regulating the engine's output and by
selectively applying the brakes.
When VSA activates, you may notice
that the engine does not respond to
the accelerator in the same way it
does at other times. There may also
be some noise from the VSA
hydraulic system. You will also see
the VSA activation indicator blink.
The VSA system cannot enhance the
vehicle's driving stability in all
situations and does not control your
vehicle's entire braking system. It is
still your responsibility to drive and
corner at reasonable speeds and to
leave a sufficient margin of safety.
VSA OFF Indicator
When VSA is off, the VSA OFF
indicator comes on as a reminder.Vehicle Stability Assist
(VSA) System Indicator
When VSA activates, you will see the
VSA system indicator blink.
If this indicator comes on while
driving, pull to the side of the road
when it is safe, and turn off the
engine. Reset the system by
restarting the engine. If the VSA
system indicator stays on or comes
back on while driving, have the VSA
system inspected by your dealer.
NOTE: The main function of the VSA
system is generally known as
Electronic Stability Control (ESC).
The system also includes a traction
control function. If the indicator does not come on
when the power mode is set to ON,
there may be a problem with the VSA
system. Have your dealer inspect
your vehicle as soon as possible.
Vehicle Stability Assist (VSA
®), aka Electronic Stability Control (ESC), System
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You will also see a‘‘CHECK VSA
SYSTEM ’’message on the multi-
information display if there is a
problem with the VSA system.
If the low tire pressure/TPMS
indicator comes on, or the multi-
information display shows a ‘‘CHECK
TPMS SYSTEM ’’message, the VSA
system automatically turns on even
when the VSA system is turned off
by pressing the VSA OFF button. If
this happens, you cannot turn the
VSA system off by pressing the VSA
OFF button again.
Without VSA, your vehicle will have
normal braking and cornering ability,
but it will not have VSA traction and
stability enhancement. VSA OFF Button
This button is under the driver's side
vent. To turn the VSA system on and
off, press and hold it until you hear a
beep.
When VSA is off, the VSA OFF
indicator comes on as a reminder.
Press and hold the button again. It
turns the system back on.VSA is turned on every time you start
the engine, even if you turned it off
the last time you drove the vehicle.
In certain unusual conditions when
your vehicle gets stuck in shallow
mud or fresh snow, it may be easier
to free it with the VSA temporarily
switched off. When the VSA system
is off, the traction control system is
also off. You should only attempt to
free your vehicle with the VSA off if
you are not able to free it when the
VSA is on.
Immediately after freeing your
vehicle, be sure to switch the VSA on
again. We do not recommend driving
your vehicle with the VSA and
traction control systems switched off.
VSA OFF BUTTON
CONTINUED
Vehicle Stability Assist (VSA
®), aka Electronic Stability Control (ESC), System
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BSI OFF ButtonTo turn the system off, press the BSI
OFF button when the power mode is
set to ON with the engine start/stop
button. The BSI indicator on the
instrument panel glows amber,
indicating that the system is turned
off. The multi-information display
indicates that the system is off.To turn the system on again, press
the same button. The BSI indicator
on the instrument panel turns off.
The multi-information display
indicates that the system is on.
When the power mode is set to ON
with the engine start/stop button, the
system will be in the previously
selected ON or OFF setting.
BSI OFF BUTTON
CONTINUED
Blind Spot Information System (BSI)
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BSI Status Displays
SystemStatus Multi-information
display message BSI Indicator Description
ON －
When you set the power mode to ON with the engine start/stop button, the BSI
system indicators on the multi-information display and the instrument panel will
inform you if the system is ON or OFF for about 5 seconds.
The BSI indicator light illuminates or flashes according to the system status.
A chime sounds to indicate that the system has been turned ON or OFF.
OFF
ON/OFF
ꭧ
If while driving, mud, snow, or ice accumulates in the vicinity of sensor:●The system will shut down●The BSI indicator illuminates, a message is displayed on the multi-information
display, and a chime sounds.
The BSI indicator will turn off and the system will return to normal once the obstacle
is removed, and you begin to drive.
Always keep the area around the radar sensors clean. The BSI system may not
operate properly if the sensors are obstructed.
The BSI alert indicator:●May come on when a vehicle enters one of the alert zones, even if this message is
displayed.●May not come on due to obstruction (splashes, etc.), even if this message is not
displayed.
ꭧ : System status may remain on even when the BLIND SPOT NOT AVAILABLE
message is displayed.
OFF If the system is faulty, the BSI indicator light illuminates and a message is displayed
on the multi-information display.
Have your vehicle inspected at your Acura dealer.
Blind Spot Information System (BSI)51809/10/28 17:15:37 10 ACURA ZDX KA KC New North America Own 50 31SZN600 enu

Your vehicle has been designed
primarily to carry passengers and
their cargo. You can also use it to tow
a trailer if you carefully observe the
load limits, use the proper
equipment, and follow the guidelines
in this section.
If your vehicle is equipped with the
blind spot information system (BSI),
do not use it when towing a trailer.
For more information see page 517.Break-In PeriodAvoid towing a trailer during your
vehicle's first 600 miles (1,000 km)
(see page 454).
Be sure to read theOff-Highway
Driving Guidelines section on page
528 if you plan to tow off paved
surfaces.
Exceeding any load limit or
improperly loading your vehicle
and trailer can cause a crash in
which you can be seriously hurt
or killed.
Check the loading of your
vehicle and trailer carefully
before starting to drive. Load Limit
Total Trailer WeightThe maximum allowable weight of
the trailer and everything in or on it
must not exceed 1,500 lbs (680 kg).
Towing a load that is too heavy can
seriously affect your vehicle's
handling and performance. It can
also damage the engine and
transmission.
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