engine coolant Acura NSX 2019 Owner's Manual
[x] Cancel search | Manufacturer: ACURA, Model Year: 2019, Model line: NSX, Model: Acura NSX 2019Pages: 485, PDF Size: 27.6 MB
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Quick Reference Guide
Auto Engine Stop/Start
Your vehicle’s gasoline engine will automatically stop and start during vehicle operation as needed to meet driving and battery conditions. 
These are some examples that could cause the gasoline engine to automatically start.
In the following cases, however, Auto Engine Stop may not activate.
●When the Integrated Dynamics System is in SPORT+ mode or TRACK mode.
● The vehicle momentarily needs additional power for aggressive acceleration, or driving uphill or at high speed.
● The climate control system is in heavy use.
● The High Voltage battery temperature is high or low.
● The High Voltage battery state of charge is low.
● The engine coolant temperature is low.
● When the door is opened after releasing seatbelt.
● When the shift position is in M  (Manual) mode.
About Your Vehicle’s Limited Operating Temperature
If the outside temperature is about -4°F  (-20°C), some operation might be limited.
The limited operation is listed below:
2 High Voltage Battery  (P90)
2 Dual Clutch Transmission (P323)
2 Shifting  (P324)
Sounds Unique to th e SPORT HYBRID SH-AWD ® System
When you first start driving this vehicle, you likely will hear so me unfamiliar sounds, particularly when you first turn on the power system, 
while driving, and just after parking. Some of these sounds are unique to this ve hicle‘s powertrain, fuel, and climate control systems; others 
are similar to sounds generated by conventional automobiles that  typically are masked by louder noises absent from a vehicle of this design.
These sounds are not a cause for concern, and you will soon recognize them as normal and thus be able to detect any new or unus ual noise 
should one develop.
About a system to cool the High Voltage  battery using the climate control system.●The system will not be activated when the defroster is ON.
● When the outside temperature is in extreme hot or cold condit ion, the system may not provide sufficient cooling performance to the 
High Voltage battery due to the protection of the electric A/C compressor.
● When the system is active, the climate  control system may not work sufficiently.
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Quick Reference Guide
Maintenance (P 373)
Press the hatch release button on the 
driver’s door.
Lights (P399)
● Inspect all lights regularly.
Under the Hatch (P384)
● Check engine oil and engine coolant. 
Add when necessary.
Tires (P405)
● Inspect tires and wheels regularly.
● Check tire pressures regularly.
● Install winter tires for winter driving.
Handling Summer Only tires  and Ultra High Performance 
(UHP) tires in low ambient temperatures.
2 Cold Weather Driving  (P414)
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Safe Driving
Safety Labels
Label Locations
These labels are in the locations shown. They warn you of potential hazards that  can cause serious injury or death. Read these labels 
carefully.
If a label comes off or becomes hard to read (except for the U. S. dashboard label which may be removed by the owner), contact a n 
authorized Acura NSX d ealer for a replacement.
Inverter Coolant Filler 
Tank Cap
Sun Visors
U.S. models Canadian models
Engine Coolant Reserve Tank CapHigh Voltage System Components
U.S. models Canadian models
Dashboard
U.S. models only
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uuIndicators uDriver Information Interface Wa rning and Information Messages
Continued
Instrument Panel
MessageConditionExplanation
●Appears when the engine is running and indicates that 
the engine oil level is low.●Appears while driving - Immediately stop in a safe 
place.
2 If the Low Oil Level Symbol Appears  P. 454
●Appears when the engine is running and indicates that 
there is a problem with the oil level sensor.●Have your vehicle checked by an authorized Acura NSX 
dealer as soon as possible.
●Appears if the engine coolant temperature is 
abnormally high.
2 Overheating  P. 448
●Appears if there is a prob lem with the fuel system. 
Engine performance will be limited.●Immediately stop in a safe place and set the power 
mode to VEHICLE OFF, then select the ON mode again.
Have your vehicle checked by  an authorized Acura NSX 
dealer if the message appears again.
●Appears if there is a temporary problem with the gear 
shift mechanism and initialization is necessary.●Depress the brake pedal and shift to (P.
●Appears when the transmission is undergoing 
initialization.●Keep the brake pedal depressed.
●Appears when a temporary problem is fixed.●Initialization will be comple ted when the engine is 
restarted.
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uuGauges and Displays uGauges
96
Instrument Panel
Displays the temperature  of the engine coolant.
Shows the remaining High Voltage battery charge level.
■Electric motor
The degree to which the electric motor is be ing powered is displayed by the readings 
on the  ASSIST  side.
■Battery charge in progress
The degree to which the High Voltage battery is being charged is displayed by the 
readings on the  CHARGE side.
■Temperature Gauge
■High Voltage Battery Charge Level Gauge
■ASSIST/CHARGE Gauge
1Temperature Gauge
Driving with the temperat ure gauge pointer in the 
upper zone can cause serious  engine damage. Pull 
safely to the side of th e road and allow engine 
temperature to return to normal. 2 Overheating  P. 448
1High Voltage Battery Charge Level Gauge
The High Voltage battery ch arge level may decrease 
under the following conditions:
•When the 12-volt battery has been replaced.
•When the 12-volt battery has been disconnected.
•When the High Voltage battery control system 
corrects its reading.
The charge level reading will be corrected 
automatically while driving.
Changes in the temperature of the High Voltage 
battery can increase or  decrease the battery’s 
charging capacity. If temp erature changes cause the 
battery’s capacity to  change, the number of 
indicators in the battery ch arge level gauge may also 
change, even if the amount of charging remains the 
same.
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uuGeneral Information on the Audio System uHonda App License Agreement
Features
E. Information Coll ection and Storage
1.  Information Collection, Use,  Transmission and Storage of Data. Consent to Use of Data:
 You agree that HONDA and PROVIDERS may 
collect and use your information gathered in any manner as part  of product support services related to the SOFTWARE or related services. 
HONDA may share such information  with third parties, including, without limitation, PROVIDERS, th ird party software and services 
suppliers, their affiliates and/or their desi gnated agents, solely to improve their products or to provide services or technolo gies to you. 
HONDA, third party software and systems s uppliers, their affiliates and/or their designated agent may disclose this information  to others, 
but not in a form that pe rsonally identifies you.
2.  Information Storage.
 Depending on the type of multimedia system you have in  your VEHICLE, certain information may be stored for ease 
of use of the SOFTWARE including, without limitation, search hi story, location history in certain applications, previous and saved 
destinations, map locations within certain applications, and device numbers and contact information.
(a) Vehicle Health Information.
 Your VEHICLE may remotely trans mit information regarding the status and health of your VEHICLE 
(“VEHICLE INFORMATION”) to HONDA without  notification to you. VEHICLE INFORMATION may contain VEHICLE maintenance and 
malfunction status that is derived from VEHICLE diagnostic data  and includes, but is not limited to, status of powered doors and windows, 
battery life data, battery charging data, VEHICLE speed, coolant temperat ure, air compressor revolution, output power, warning codes, 
diagnostic trouble codes, fuel injection volume, and engine rotati ons per minute. VEHICLE HEALTH INFORMATION may be used by HONDA 
for research and development, to deliver  HONDA SERVICES and information to you, and to  contact you, and is retained only for a period 
of time necessary to fulfill these goals.
(b) VEHICLE Geolocation Data (non-navigation/map based).
 If you opt-in to geolocation-based SERVICES, your vehicle’s geolocation data 
(latitude and longitude) will be automatically se nt from your VEHICLE to HONDA and PROVIDERS.
(c) You understand that the inputting or uploading of information to your VEHICLE’s multimedia system or the SOFTWARE or SERVIC ES is 
at your own risk and that HONDA is not responsible for unauthorized access to or use of any personal or other information. All  information 
uploaded to the SOFTWARE and SERVICES may be stored on your VEHICLES’s multimedia system and you  understand that the security and 
safety of your VEHICLE’s multimedia  system is your sole responsibility.
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Maintenance
This chapter discusses basic maintenance.
Before Performing MaintenanceInspection and Maintenance ............ 374
Safety When Performing Maintenance .... 375Parts and Fluids Used in Maintenance Service ........................................... 376
Maintenance Minder
TM..................... 377
Maintenance Under the Hood and Hatch Maintenance Items Under the Hood and Hatch ............................................. 383
Opening the Hatch .......................... 385
Opening the Hood ........................... 386
Engine Compartment Cover ............. 387
Recommended Engine Oil ................ 388
Oil Check ......................................... 389
Adding Engine Oil ............................ 392 Cooling System ................................ 394
Inverter Coolant ............................... 396
Transmission Fluids .......................... 397
Brake Fluid ....................................... 398
Refilling Window Wa
sher Fluid......... 398
Replacing Light Bulbs ....................... 399Checking and Maintaining Wiper Blades.... 402Checking and Maintaining Tires
Checking Tires ................................. 405
Tire and Loading Information Label ..... 406Tire Labeling .................................... 406DOT Tire Quality Grading (U.S. Vehicles) ...... 408Wear Indicators................................ 410
Tire Service Life ................................ 410
Tire and Wheel Replacement............ 411 Tire Rotation .................................... 412
Winter Tires ..................................... 413
Cold Weather Driving ...................... 414
12-Volt Battery ................................. 415
Remote Transmitter Care Replacing the Button Battery ........... 416
Climate Control System Maintenance.... 417CleaningInterior Care .................................... 418
Exterior Care.................................... 420
Accessories and Modifications Accessories ...................................... 424
Modifications................................... 425
Storage .............................................. 426
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uuMaintenance MinderTMuTo Use Maintenance MinderTM
Maintenance
■Maintenance Service Items1Maintenance Service Items
•Independent of the Maintenance Minder 
information, replace the brake fluid every 3 years.
•Adjust the valves during services A, B, 1, 2, or 3 if 
they are noisy.
•Inspect direct injection + port injection fuel system 
every 3 years or service item B is indicated.
•Inspect tire condition ev ery 3,100 miles (5,000 km).
Maintenance Minder Message System Message 
Indicator
Main Item Sub Items
*1: If a message  SERVICE does not appear more than 12 months after the display is reset, change the 
engine oil every year.
# : See information on maintenance and emissions warranty.
CODEMaintenance Main Items
A
●Replace engine oil*1
B●Replace engine oil*1 and oil filter●Inspect front and rear brakes●Check expiration date for temporary tire repair kit 
bottle
●Inspect tie rod ends, steering gearbox, and boots●Inspect suspension components●Inspect driveshaft boots●Inspect brake hoses and lines (Including ABS/VSA ®)●Inspect all fluid levels and condition of fluids●Inspect exhaust system#
●Inspect fuel lines and connections#
●Inspect direct injection + port injection fuel system*2: If you drive in dusty conditions, replace the air cleaner element every 15,000 miles (24,000 km).
*3: If you drive primarily in urban areas that have high concentrations of soot in the air from industry and 
from diesel-powered vehicles, replace the dust and pollen filters every 15,000 miles (24,000 km) or 
every year.
*4: Driving in mountainous areas at very low vehicle speeds results in higher transmission temperature.  This requires transmission fluid and clutch fluid changes more frequently than recommended by the 
Maintenance Minder. If you regularly drive your vehicle under this condition, have the transmission 
fluid and clutch fluid changed every 20,000 miles (32,000 km).
*5: Driving in mountainous areas at very low vehicle speeds results in higher level of mechanical (Shear)  stress to fluid. This requires Twin Motor Unit fluid changes more frequently than recommended by the 
Maintenance Minder. If you regularly drive your vehicle under these conditions, have the Twin Motor 
Unit fluid changed at 7,500 miles (12,000 km), then every 15,000 miles (24,000 km). 
CODEMaintenance Sub Items
1
●Inspect tire condition
2●Replace air cleaner element*2
●Replace dust and pollen filters*3
3●Replace transmission fluid*4
●Replace clutch fluid*4
4●Replace spark plugs●Inspect valve clearance●Inspect Active Exhaust Valve function●Replace Intake Sound Control
5
●Replace engine coolant
6●Replace Twin Motor Unit fluid*5
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uuMaintenance Under the Hood and Hatch uMaintenance Items Under the Hood and Hatch
Maintenance
Hatch
Engine Oil Fill Cap
Engine Coolant 
Reserve Tank Cap Engine Oil Dipstick 
(Orange)
Engine Coolant 
Reserve Tank
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uuMaintenance Under the Hood and Hatch uCooling System
Maintenance
Cooling System
This coolant is premixed with 50% antifreeze and 50% water. Do not add any 
straight antifreeze or water.
We recommend you check the engine coolant level every time you refuel. Check the 
reserve tank. Add the engine coolant accordingly.
1. Make sure the engine and radiator are cool.
2. Open the hatch.
2 Opening the Hatch  P. 385
3.Remove the left engine compartment 
cover.
2 Engine Compartment Cover P. 387
4.Check the amount of coolant in the reserve 
tank.
u If the coolant level is below the  MIN 
mark, add the specified coolant until it 
reaches the  MAX mark.
5. Inspect the cooling  system for leaks.
Specified coolant: Acura Long Life Antifreeze/Coolant Type 2
■Checking the Coolant
1Cooling System
NOTICE
Genuine Acura engine cool ant is a 50/50 mixture of 
antifreeze and water that can withstand freezing at 
temperatures as low as a bout -31°F (-35°C). If your 
vehicle is consistently subjected to temperatures 
below this, the concentration of antifreeze in the 
coolant should be  increased. Consult an authorized 
Acura NSX dealer for details.
If Acura antifreeze/coolant  is not available, you may 
use another major brand of non-silicate coolant as a 
temporary replacement. Check that it is a high quality 
coolant recommended for  aluminum engines. 
Continued use of any non-Acur a coolant can result in 
corrosion, causing the cooling system to malfunction 
or fail. Have the cooling  system flushed and refilled 
with Acura antifreeze/cool ant as soon as possible.
Do not add rust inhibitors  or other additives to your 
vehicle’s cooling system. They may not be compatible 
with the coolant or with the engine components.
3WARNING
Removing the reserve tank cap while the 
engine is hot can cause the coolant to spray 
out, seriously scalding you.
Always let the engine and radiator cool 
down before removing the reserve tank 
cap.
Reserve 
Tank
MAX
MIN
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