steering Acura ZDX 2012 Repair Manual

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Important Safety Reminder
The main purpose of the CMBS is to
reduce the severity of injuries caused
by an unavoidable collision. While
the CMBS may help to alert you and
minimize the severity of a collision, it
may not activate in every dangerous
situation.
Even with the CMBS, it is still your
responsibility to operate the brake
pedal and steering wheel
appropriately, according to the
driving conditions.
As required by the FCC:This device complies with Part 15 ofthe FCC rules. Operation is subjectto the following two conditions: (1)
This device may not cause harmfulinterference, and (2) this device mustaccept any interference received,including interference that maycause undesired operation.
Changes or modifications notexpressly approved by the partyresponsible for compliance could
void the user's authority to operatethe equipment.
This device complies with IndustryCanada Standard RSS-210. Operationis subject to the following twoconditions: (1) this device may notcause interference, and (2) thisdevice must accept any interference
that may cause undesired operationof the device.
Collision Mitigation Braking System ™(CMBS™ )
507
Driving
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As required by the FCC:This device complies with Part 15 ofthe FCC rules. Operation is subjectto the following two conditions: (1)
This device may not cause harmfulinterference, and (2) this device mustaccept any interference received,including interference that maycause undesired operation.
Changes or modifications notexpressly approved by the partyresponsible for compliance could
void the user's authority to operatethe equipment.
This device complies with IndustryCanada Standard RSS-210.
Operation is subject to the followingtwo conditions: (1) this device maynot cause interference, and (2) this
device must accept any interferencethat may cause undesired operationof the device.
Integrated Dynamics System
(IDS)If equippedThe integrated dynamics system
(IDS) is always on, constantly
adjusting your vehicle's dampers and
power steering assist according to
current road conditions, vehicle
speed and handling. You can choose
between two settings, sport mode
and comfort mode, according to your
driving taste.
Sport ModeThe system prioritizes handling
response for higher handling
performance.Comfort modeThe system prioritizes driving
comfort according to the road
surface.
There are two main components to
IDS that work together in both
modes:
The active damper system (ADS)
uses electrically controlled dampers
to enhance handling precision, tire to
road adhesion and riding comfort on
rough road surfaces.
The electronically controlled power
steering (ECPS) changes the amount
of steering assist depending on
vehicle speed.
CONTINUED
Blind Spot Information System (BSI), Integrated Dynamics System (IDS)
519
Driving
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Active Damper System
Indicator
If there is a problem with the active
damper system, the system shuts
down and the active damper system
indicator on the instrument panel
comes on.
You will also see the ‘‘CHECK ADS
SYSTEM ’’message appear on the
multi-information display. In addition, the ECPS also defaults
into sport mode, and you will see the
‘‘
CHECK POWER STEERING
SYSTEM ’’message appear on the
multi-information display (see page
91).
If you see this warning indicator and
message, have your vehicle checked
at your dealer as soon as possible.
In this case, your vehicle still has the
normal damper function, but it will
not have the active damper function.
Electronically Controlled
Power Steering System
(ECPS) Indicator
If there is a problem with the
Electronically Controlled Power
Steering System, the system shuts
down and the system indicator on
the instrument panel comes on.
You will also see the ‘‘CHECK
POWER STEERING SYSTEM’’
message appear on the multi-
information display.
If you see this warning indicator and
message, have your vehicle checked
at your dealer as soon as possible.
In this case, your vehicle still has the
power steering function, but the
steering effort might feel different.
Integrated Dynamics System (IDS)
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Page 528 of 645

Tongue LoadThe weight that the tongue of a fully
loaded trailer puts on the hitch
should be approximately 10% of the
total trailer weight.
Too much tongue load reduces front-
tire traction and steering control. Too
little tongue load can make the trailer
unstable and cause it to sway.To achieve a proper tongue load,
start by loading 60% of the load
toward the front of the trailer and 40%
toward the rear, then re-adjust the
load as needed.
Gross Vehicle Weight Rating
(GVWR)
-The maximum allowable
weight of the vehicle, all occupants,
all accessories, all cargo, and the
tongue load is 5,534 lbs (2,510 kg).
Gross Axle Weight Ratings
(GAWR) -The maximum allowable
weight of the vehicle, all occupants,
all accessories, all cargo, and the
tongue load must not exceed 2,921
lbs (1,325 kg) on the front axle, and
2,679 lbs (1,215 kg) on the rear axle.
Gross Combined Weight Rating
(GCWR) -The maximum allowable
weight of the fully loaded vehicle and
trailer is 6,593 lbs (2990 kg). Checking Loads
The best way to confirm that all loads
are within limits is to check them at a
public scale. For public scales in your
area, check your local phone book,
or contact your trailer dealer or
rental agency for assistance.
If you cannot get to a public scale,
you can estimate the total trailer
weight by adding the weight of your
trailer (as quoted by the
manufacturer) with everything in or
on the trailer.
If you normally pull the same load
each time you tow a trailer, you can
use a suitable scale or a special
tongue load gauge to check the
tongue load the first time you set up
a towing combination (a fully loaded
vehicle and trailer), then recheck the
tongue load whenever the conditions
change.
CONTINUED
Towing a Trailer
523
Driving
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Driving on HillsWhen climbing hills, closely watch
your temperature gauge. If it nears
the H (Hot) mark, turn the A/C off,
reduce speed and, if necessary, pull
to the side of the road to let the
engine cool.
When driving down hills, reduce
your speed, and shift down to S
position, or use the paddle shifters to
the lower gear (3 and 2) in the S
position. When towing a trailer, do
not‘‘ride ’’the brakes, and remember,
it will take longer to slow down and
stop when towing a trailer.
If you must stop when facing uphill,
use the foot brake or parking brake.
Do not try to hold the vehicle in place
by pressing on the accelerator, as
this can cause the automatic
transmission to overheat.
Handling Crosswinds and BuffetingCrosswinds and air turbulence
caused by passing trucks can disrupt
your steering and cause the trailer to
sway. When being passed by a large
vehicle, keep a constant speed, and
steer straight ahead. Do not try to
make quick steering or braking
corrections.Backing UpAlways drive slowly and have
someone guide you when backing
up. Grip the
bottom
of the steering
wheel, then turn the wheel to the left
to get the trailer to move to the left.
Turn the wheel to the right to move
the trailer to the right.
ParkingFollow all normal precautions when
parking, including putting the
transmission in Park and firmly
setting the parking brake. Also, place
wheel chocks at each of the trailer's
tires. Towing Your Vehicle
Your vehicle is not designed to be
towed behind a motor home. If your
vehicle needs to be towed in an
emergency, see page 602.
Towing a Trailer
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Page 536 of 645

This section explains why it is
important to keep your vehicle well
maintained and how to follow basic
maintenance safety precautions.
This section also includes
instructions on how to read the
maintenance minder messages on
the multi-information display, and
instructions for simple maintenance
tasks you may want to take care of
yourself.
If you have the skills and tools to
perform more complex maintenance
tasks on your vehicle, you may want
to purchase the service manual. See
page 625 for information on how to
obtain a copy, or see your dealer.U.S. Vehicles:
Maintenance,
replacement, or repair of
emissions control devices and
systems may be done by any
automotive repair establishment
or individual using parts that are
‘‘certified’’ to EPA standards. Maintenance Safety
.....................
532
Maintenance Minder
..................
533
Fluid Locations
...........................
543
Engine Compartment Cover
........
544
Adding Engine Oil
......................
545
Changing the Engine Oil and
Filter
.......................................
546
Engine Coolant
...........................
548
Windshield Washers
...................
550
Automatic Transmission Fluid
....
551
Brake Fluid
.................................
553
Power Steering Fluid
..................
554
Timing Belt
.................................
554
Lights
..........................................
555
Dust and Pollen Filter
.................
562
Cleaning the Seat Belts
...............
562
Floor Mats
..................................
563
Wiper Blades
..............................
564
Tires
...........................................
567
Checking the Battery
..................
573
Vehicle Storage
...........................
575
Interior Care
...............................
576
Maintenance
531
Maintenance
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Page 538 of 645

Your vehicle displays engine oil life
and maintenance service items on
the multi-information display to show
you when you should have your
dealer perform engine oil
replacement and indicated
maintenance service.
Based on the engine operating
conditions and accumulated engine
revolutions, the onboard computer in
your vehicle calculates the remaining
engine oil life and displays it as a
percentage.Engine Oil Life Display
To see the current engine oil life
displayed on the multi-information
display, turn the ignition switch to
the ON (II) position, and press the
SEL/RESET button on the steering
wheel repeatedly until the engine oil
life is displayed.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.
REMAINING ENGINE OIL LIFE
CONTINUED
Maintenance Minder
533
Maintenance
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This message reminds you that your
vehicle will soon be due for
scheduled maintenance.
Press the SEL/RESET button on the
steering wheel repeatedly to select
the engine oil life information. Along
with the‘‘OIL LIFE’’ message, you
will see the percentage of the
remaining engine oil life and the
maintenance item codes on the multi-
information display.
When the remaining oil life is 5 to 1
percent, the multi-information display
shows a ‘‘SERVICE DUE NOW ’’
message with the same maintenance
items ‘‘SERVICE DUE SOON ’’was
displayed with. When you see this
message, have the indicated
maintenance performed as soon as
possible.
REMAINING ENGINE OIL LIFE
MAIN ITEM(S) SUB ITEM(S)
MAINTENANCE
MAIN ITEM CODE MAINTENANCE
SUB ITEM CODE(S)
CONTINUED
Maintenance Minder
535
Maintenance
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Page 541 of 645

Pressing either INFO button (▲/▼ )
switches the display from the
message to another display. Once
you switch the display, this message
will go off.
Press the SEL/RESET button on the
steering wheel repeatedly to select
the engine oil life. The message
‘‘ SERVICE, ’’along with ‘‘5%, ’’and the
maintenance item code are displayed
on the multi-information display
when the calculated engine oil life is
1 to 5 percent (see page 534).
If the indicated maintenance service
is not done and the remaining engine
oil life reaches 0%, the multi-
information display will show the
message ‘‘SERVICE PAST DUE ’’and
the maintenance item code(s).
This message is displayed when the
total distance traveled is less than 10
miles (for U.S. models) or 10 km (for
Canadian models) after the engine
oil life became 0%.
Maintenance Minder53609/10/28 17:15:37 10 ACURA ZDX KA KC New North America Own 50 31SZN600 enu

Page 542 of 645

These messages will come on every
time you turn the ignition switch to
the ON (II) position.
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.
Immediately have the service
performed, and make sure to reset
the display as described on page 539.
Pressing either INFO button (▲/▼ )
switches the display from the
message to another display. To see
the message again, press either
INFO button repeatedly.
Press the SEL/RESET button on the
steering wheel repeatedly to select
the engine oil life. The message
‘‘ SERVICE, ’’along with ‘‘0%, ’’and the
maintenance item code are displayed
on the multi-information display
when the calculated engine oil life is
0 to 1 percent.
If the indicated required service is
not done and the remaining engine
oil life becomes 0%, the multi-
information display will show a
‘‘ SERVICE PAST DUE ’’message, the
total distance traveled after the
remaining oil life became 0%, and the
maintenance item code(s).
TOTAL PAST DUE
DISTANCE TRAVELED
U.S.
MAINTENANCE CODES
Canada
CONTINUED
Maintenance Minder
537
Maintenance
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