2019 Acura NSX engine overheat

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Quick Reference Guide
Handling the Unexpected (P 429)
Flat Tire (P 431)
● Park in a safe location and repair the flat
tire using the temporary tire repair kit.
Indicators Come On
(P 450)
●Identify the indicator and consult the
owner’s manual.
Power System Won’t Start
(P 443)
● If the 12-volt battery is dead, jump start
using a booster battery.
Blown Fuse

(P 455)
● Check for a blown fuse if an electrical
device does not operate.
Overheating (P 448)
● Park in a safe location. If you do not see
steam under the hatch, open the hatch,
and let the power sy stem and the engine
cool down.
Emergency Towing
(P 460)
● Call a professional towing service if you
need to tow your vehicle.
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91
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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361
Driving
Parking Your Vehicle
When Stopped
1.Depress the brake pedal firmly.
2. With the brake pedal depressed, pull up th e electric parking brake switch slowly,
but fully.
3. Change the gear position to
(P.
4. Turn off the power system.
u The electric parking brake indicato r goes off in about 15 seconds.
Always confirm the electric parking brake is set, in particular if you are parked on an
incline.
During Auto Engine Stop, th e gear position changes to
(P and the engine restarts
automatically under the following conditions:
• You unfasten the driver side seat belt and open the door.
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.
3WARNING
The vehicle can roll aw ay if left unattended
without confirming that Park is engaged.
A vehicle that rolls away could cause a crash
resulting in seriou s injury or death.
Always keep your foot on the brake pedal
until you have confirmed that
( P is shown
on the gear position indicator.
1 When Stopped
NOTICE
The following can damage the driveline:•Depressing the accelera tor and brake pedals
simultaneously.
•Changing to ( P before the vehicle stops completely.
When facing uphill, do not hold the vehicle by
depressing the accelerator pedal.
Doing so may cause the power system to overheat
and fail.
In extremely cold temperatures, the parking brake may
freeze up if applied. If such temperatures are expected, do
not apply the parking brake. If parking on a slope, either
turn the steering wheel so one of the front tires will contact
the curb or block the wheels to keep the vehicle from
moving. If you do not take either precaution, the vehicle
may roll unexpectedly, leading to a crash.
When the Integrated Dynamics System mode is in QUIET mode or SPORT mode
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uuIf a Tire Goes Flat uTemporarily Repairing a Flat Tire
434
Handling the Unexpected
6. Plug in the compressor to the accessory
power socket.
u Be careful not to pinch the cord in a
door or window.
2 Accessory Power Socket P. 152
7.Turn the power system on.
u Keep the power system on while
injecting sealant and air.
2 Carbon Monoxide Gas P. 67
8.Turn the air compressor on to inflate the
tire.
u The compressor starts injecting sealant
and air into the tire.
9. After the air pressure reaches 32 psi (220
kPa), turn off the compressor.
1Injecting Sealant and Air
NOTICE
Do not operate the temporary tire repair kit compressor
for more than 15 minutes. The compressor can overheat
and become permanently damaged.
Until the sealant injection is complete, the pressure
shown on the pressure gauge will appear higher than
actual. After the sealant injection is complete the
pressure will drop and then begi n to rise again as the tire
is inflated with air. This is normal. To accurately measure
the air pressure using the ga uge, turn the air compressor
off only after the sealan t injection is complete.
If the required air pressure is not reached within 15
minutes, the tire may be too severely damaged for
the kit to provide the necessa ry seal and your vehicle
will need to be towed.
See an authorized Acura NSX dealer for a replacement
sealant bottle and proper disposal of an empty bottle.
3WARNING
Running the engine with the vehicle in an
enclosed or even partly enclosed area can
cause a rapid build-up of toxic carbon
monoxide.
Breathing this colorless, odorless gas can
cause unconsciousness and even death.
Only run the engine to power the air
compressor with th e vehicle outdoors.
Air Compressor Switch
OFF
ON
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uuIf a Tire Goes Flat uTemporarily Repairing a Flat Tire
440
Handling the Unexpected
You can use the kit to inflate a non-punctured under-inflated tire.
1.Take the kit out of the box.
2 Getting Ready to Temporarily Repair
the Flat Tire P. 432
2.Place the kit, face up, on flat ground near
the flat tire, away from traffic. Do not
place the kit on its side.
3. Remove the valve cap from the tire valve
stem.
4. Attach the air compressor hose onto the
tire valve stem.
Screw the air compressor hose until it is
tightly connected to the valve stem.
5. Plug in the compressor to the accessory
power socket.
u Be careful not to pinch the cord in a
door or window.
2 Accessory Power Socket P. 152
6.Turn the power system on.
u Keep the power system on while
injecting air.
2 Carbon Monoxide Gas P. 67
■Inflating an Under-inflated Tire1Inflating an Under-inflated Tire
NOTICE
Do not operate the temporary tire repair kit
compressor for more than 15 minutes. The
compressor can overheat and become permanently
damaged.
3WARNING
Running the engine with the vehicle in an
enclosed or even partly enclosed area can
cause a rapid build-up of toxic carbon
monoxide.
Breathing this colorless, odorless gas can
cause unconsciousness and even death.
Only run the engine to power the air
compressor with th e vehicle outdoors.Tire Valve
Stem
Valve Cap
Tire Valve Stem
Air Compressor
Hose
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448
Handling the Unexpected
Overheating
How to Handle Overheating
Overheating symptoms are as follows:
•The temperature gauge pointer is at the mark or the engine suddenly loses
power.
• Steam or spray comes out of the engine compartment.
■First thing to do
1. Immediately park the vehicle in a safe place.
u Put the transmission into
(P and set the parking brake.
2. Turn off all accessories and turn on the hazard warning lights.
u No steam or spray present : Keep the power system on and open the hatch.
u Steam or spray is present : Turn off the power system and wait until it
subsides. Then open the hatch.
1 How to Handle Overheating
NOTICE
Continuing to drive with the temperature gauge
pointer at the mark may damage the engine.
3WARNING
Steam and spray from an overheated
engine can seriously scald you.
Do not open the hatch if steam is coming
out.
H
H
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449
uuOverheating uHow to Handle Overheating
Handling the Unexpected
■Next thing to do
1.Check that the cooling fan is operating and
turn the power system off once the
temperature gauge pointer comes down.
u If the cooling fan is not operating,
immediately turn the power system off.
2. Once the engine has cooled down, inspect
the coolant level and check the cooling
system components for leaks.
2 Checking the Coolant P. 394
uIf the coolant level in the reserve tank is
low, or no coolant in the tank, check that
the radiator is cool. Cover the reserve
tank cap with a heavy cloth and open the
cap. Add coolant until it reaches the
MAX mark, and put the cap back on.
■Last thing to do
Once the engine has cooled sufficiently, turn the power system on and check the
temperature gauge. If the temperature gauge pointer has gone down, resume
driving. If it has not gone down, contact an authorized Acura NSX dealer for repairs.
1How to Handle Overheating
If the coolant is leaking, contact an authorized Acura
NSX dealer for repairs.
Use water as an emergency/temporary measure only.
Have an authorized Acura NSX dealer flush the
system with proper antifree ze as soon as possible.
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.
Engine Coolant
Reserve Tank
MAX
MIN
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