engine Acura ZDX 2013 Workshop Manual

202
uuWhen DrivinguVSA® (Vehicle Stability Assist), aka ESC (Electronic Stability Control), System
Driving
VSA® (Vehicle Stability Assist), aka ESC (Electronic Stability Control), SystemVSA® helps to stabilize the vehicle during cornering if the vehicle turns more or less
than what was intended. It also assists in maintaining traction on slippery surfaces.
It does so by regulating engine output and selectively applying the brakes.
When VSA® activates, you may notice that the
engine does not respond to the accelerator.
You may also notice some noise from the
hydraulic system. You will also see the
indicator blink.■VSA® Operation
1VSA® (Vehicle Stability Assist), aka ESC (Electronic Stability Control), System
The VSA® may not function properly if tire type and
size are mixed. Make sure to use the same size and
type of tire, and the air pressures as specified.
When the VSA® indicator comes on and stays on
while driving, there may be a problem with the
system. While this may not interfere with normal
driving, have your vehicle checked by a dealer
immediately.
VSA® cannot enhance stability in all driving situations
and does not control the entire braking system. You
still need to drive and corner at speeds appropriate
for the conditions and always leave a sufficient
margin of safety.
The main function of the VSA® system is generally
known as Electronic Stability Control (ESC). The
system also includes a traction control function.
VSA® System Indicator

203
uuWhen DrivinguVSA® (Vehicle Stability Assist), aka ESC (Electronic Stability Control), System
Driving
This button is on the driver side control panel.
To turn the VSA® system on and off, press and
hold it until you hear a beep.
VSA® will stop and the indicator will come on.
To turn it on again, press the (VSA® OFF)
button until you hear a beep.
VSA® is turned on every time you start the
engine, even if you turned it off the last time
you drove the vehicle.
■VSA® On and Off
1VSA® (Vehicle Stability Assist), aka ESC (Electronic Stability Control), System
Without VSA®, your vehicle will have normal braking
and cornering ability, but it will not have VSA®
traction and stability enhancement.
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 VSA® on again. We do not recommend driving
your vehicle with the VSA® and traction control
systems switched off.
If the low tire pressure/TPMS indicator comes on or
blinks, the VSA® system comes on automatically. In
this case, you cannot turn the system off by pressing
the button.
You may hear a motor sound coming from the
engine compartment while system checks are being
performed immediately after starting the engine or
while driving. This is normal.
VSA® OFF Indicator

204
uuWhen DrivinguSH-AWD® (Super Handling-All Wheel Drive
TM)
Driving
SH-AWD® (Super Handling-All Wheel Drive
TM)
The system controls and transfers varying amounts of engine torque to each wheel
in accordance with the driving conditions.
SH-AWD® helps to enhance driving stability, and lets you handle situations like
slippery surfaces, such as snow, sand, mud, and steep hill, better than when driving
with two wheel drive. However, the system does not help to enhance braking. Be
precautious about the following:
•It is still your responsibility to drive safely when you steer, accelerate, and apply
brakes.
•Leave a sufficient margin when braking on slippery surfaces.
1SH-AWD® (Super Handling-All Wheel Drive
TM)
NOTICEAvoid continuously driving in sand or mud where a
wheel is likely to spin out, and do not drive once the
SH-AWD® indicator starts blinking. Driving
continuously under such conditions can damage the
system’s torque distribution unit.
Do not drive through deep water.
The SH-AWD® system may not function properly if
tire type and size are mixed.
Make sure to use the same size and type of tire, and
the air pressures as specified.

213
uuBrakinguBrake System
Driving
Your vehicle is equipped with disc brakes at all four wheels. A vacuum power assist
helps reduce the effort needed on the brake pedal. The 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.2Brake Assist System P. 215
2ABS (Anti-lock Brake System) P. 214■Foot Brake
1Foot Brake
Check the brakes after driving through deep water,
or if there is a buildup of road surface water. If
necessary, dry the brakes by lightly depressing the
pedal several times.
If you hear a continuous metallic friction sound when
applying the brakes, the brake pads need to be
replaced. Have the vehicle checked by a dealer.
Constantly using the brake pedal while going down a
long hill builds up heat, which reduces the brake
effectiveness. Apply engine braking by taking your
foot off the accelerator pedal and downshifting to a
lower gear.
Do not rest your foot on the brake pedal while
driving, as it will lightly apply the brakes and cause
them to lose effectiveness over time and reduce pad
life. It will also confuse drivers behind you.

214
uuBrakinguABS (Anti-lock Brake System)
Driving
ABS (Anti-lock Brake System)Helps prevent the wheels from locking up, and helps you retain steering control by
pumping the brakes rapidly, much faster than you.
The electronic brake distribution (EBD) system, which is part of the ABS, also
balances the front-to-rear braking distribution according to vehicle loading.
You should never pump the brake pedal. Let the ABS work for you by always
keeping firm, steady pressure on the brake pedal. This is sometimes referred to as
“stomp and steer.”■ABS operation
The brake pedal may pulsate slightly when the ABS is working. Keep holding the
pedal firmly down. On dry pavement, you will need to press on the brake pedal very
hard before the ABS activates. However, you may feel the ABS activate immediately
if you are trying to stop on snow or ice.
When the vehicle speed goes under 6 mph (10 km/h), the ABS stops.■ABS
1ABS (Anti-lock Brake System)NOTICEThe ABS may not function correctly if you use an
incorrect tire type and size.
When the ABS indicator comes on while driving,
there may be a problem with the system.
While normal braking is not affected, there is a
possibility of the ABS not operating. Have the vehicle
checked by a dealer immediately.
The ABS does not reduce the time or distance it takes
to stop the vehicle. It only helps with steering control
during hard braking.
In the following cases, your vehicle may need more
stopping distance than a vehicle without the ABS:•When driving on rough road surfaces, including
when driving on uneven surfaces, such as gravel or
snow.•When tire chains are installed.
You may hear a motor sound coming from the
engine compartment while system checks are being
performed immediately after starting the engine or
while driving. This is normal.

216Driving
Parking Your VehicleWhen Stopped1.Depress the brake pedal firmly with the shift lever in
(D.
2.Firmly apply the parking brake.
3.Move the shift lever from
(D to
(P.
4.Turn off the engine.
Always set the parking brake firmly, in particular if you are parked on an incline.
1Parking Your Vehicle
Do not park your vehicle near flammable objects,
such as dry grass, oil, or timber.
Heat from the exhaust can cause a fire.1When StoppedNOTICEThe following can damage the transmission:•Depressing the accelerator and brake pedals
simultaneously.•Holding the vehicle in place when facing uphill by
depressing the accelerator pedal.•Moving the shift lever into
(P before the vehicle
stops completely.
Raise the wiper arms when snow is expected.

221
Continued
Driving
RefuelingFuel Information■Fuel recommendation
Your vehicle is designed to operate on premium unleaded gasoline with pump
octane of 91 or higher. If this octane grade is unavailable, regular unleaded gasoline
with a pump octane of 87 or higher may be used temporally.
The use of regular unleaded gasoline can cause metallic knocking noises in the
engine and will result in decreased engine performance. The long-term use of
regular-grade gasoline can lead to engine damage.■Top tier detergent gasoline
Because the level of detergency and additives in gasoline vary in the market, Honda
endorses the use of “TOP TIER Detergent Gasoline” where available to help
maintain the performance and reliability of your vehicle. TOP TIER Detergent
Gasoline meets a new gasoline standard jointly established by leading automotive
manufacturers to meet the needs of today’s advanced engines.■Gasoline containing ethanol
Some gasoline today is blended with oxygenates such as ethanol. Your vehicle is
designed to operate on oxygenated gasoline containing up to 10% ethanol by
volume. Do not use gasoline containing methanol. If you notice any undesirable
operating symptoms, try another service station or switch to another brand of
gasoline.Premium Unleaded premium gasoline, pump octane number 91 or higher
1Fuel InformationNOTICEWe recommend quality gasoline containing
detergent additives that help prevent fuel system and
engine deposits. In addition, in order to maintain
good performance, fuel economy, and emissions
control, we strongly recommend the use of gasoline
that does NOT contain harmful manganese-based
fuel additives such as MMT, if such gasoline is
available.
Use of gasoline with these additives may adversely
affect performance, and cause the malfunction
indicator lamp on your instrument panel to come on.
If this happens, contact a dealer for service.

uuRefuelinguHow to Refuel
222Driving
Qualifying gasoline retailers will, in most cases, identify their gasoline as having met
“TOP TIER Detergent Gasoline” standards at the retail location. This fuel is
guaranteed to contain the proper level of detergent additives and be free of metallic
additives. The proper level of detergent additives, and absence of harmful metallic
additives in gasoline, help avoid build-up of deposits in your engine and emission
control system.
For further important fuel-related information for your vehicle, or on information on
gasoline that does not contain MMT, visit My Acura at owners.acura.com. In
Canada, visit www.acura.ca for additional information on gasoline. For more
information on top tier gasoline, visit www.toptiergas.com.■Fuel tank capacity: 21.0 US gal (79.5 liters)How to Refuel
1.Stop your vehicle with the service station
pump on the left side of the vehicle in the
rear.
2.Turn off the engine.
3.Unlock the driver’s door using the master
door lock switch.
uThe fuel fill door on the outer side of the
vehicle will unlock.
1How to Refuel
3
WARNING
Gasoline is highly flammable and explosive.
You can be burned or seriously injured
when handling fuel.
•Stop the engine, and keep heat, sparks,
and flame away.
•Handle fuel only outdoors.
•Wipe up spills immediately.
Master Door
Lock SwitchTo UnlockTo Lock

224Driving
Fuel EconomyImproving Fuel EconomyFuel economy depends on several conditions, including driving conditions, your
driving habits, the condition of your vehicle, and loading. Depending on these and
other conditions, you may or may not achieve the rated fuel economy of this vehicle.
You can optimize your fuel economy with proper maintenance of your vehicle.
Always maintain your vehicle in accordance with the messages displayed on the
multi-information display.
•Use the recommended viscosity engine oil, displaying the API Certification Seal.
•Maintain the specified tire pressure.
•Do not load the vehicle with excess cargo.
•Keep your vehicle clean. A buildup of snow or mud on your vehicle’s underside
adds weight and increases wind resistance.■Maintenance and Fuel Economy
1Improving Fuel Economy
Direct calculation is the recommended method to
determine actual fuel consumed while driving.
In Canada, posted fuel economy numbers are
established following a simulated test. For more
information on how this test is performed, please visit
http://oee.nrcan.gc.ca/
Miles drivenGallons of
fuelMiles per
Gallon
100 Liter of fuelKilometers
drivenL per 100 km

227
Maintenance
This chapter discusses basic maintenance.
Before Performing Maintenance
Inspection and Maintenance ............ 228Safety When Performing Maintenance..... 229Parts and Fluids Used in Maintenance
Service ........................................... 230
Maintenance Minder
TM..................... 231
Maintenance Under the Hood
Maintenance Items Under the Hood ..... 235Opening the Hood ........................... 236
Engine Compartment Covers ........... 237
Recommended Engine Oil ................ 238
Oil Check ......................................... 239
Adding Engine Oil ............................ 240
Changing the Engine Oil and Oil Filter ..... 241Engine Coolant ................................ 243
Transmission Fluid ............................ 245
Brake Fluid ....................................... 246
Power Steering Fluid Check.............. 247
Refilling Window Washer Fluid......... 248
Replacing Light Bulbs....................... 249Checking and Maintaining Wiper
Blades.......................................... 256Checking and Maintaining Tires
Checking Tires ................................. 258Tire and Loading Information Label ...... 259Tire Labeling .................................... 259
DOT Tire Quality Grading (U.S. Vehicles) ...... 261Wear Indicators ............................... 263
Tire Service Life ................................ 263
Tire and Wheel Replacement ........... 264
Tire Rotation .................................... 265
Winter Tires ..................................... 266
Battery............................................... 267
Remote Transmitter Care................. 268Climate Control System Maintenance
..... 269
Cleaning
Interior Care .................................... 270
Exterior Care.................................... 272