2020 ACURA NSX Owners Manual

447
uuPower System Won’t StartuEmergency Power System Off
Handling the Unexpected
Emergency Power System Off The ENGINE START/STOP button may be used to turn the power system off due to
an emergency situation even while driving. If you must turn the power system off,
do either of the following operations: • Press and hold the ENGINE START/STOP button for about two seconds.
• Firmly press the ENGINE START/STOP button three times.
The steering wheel will not lock. However, because turning off the engine disables
the power assist the engine provides to the steering and braking systems, it will
require significantly more physical effort an d time to steer and slow the vehicle. Use
both feet on the brake pedal to slow down the vehicle and stop immediately in a
safe place. The gear position automatically changes to
(P after the vehicle comes to a complete
stop. Then, the power mode changes to VEHICLE OFF.
1Emergency Power System Off
Do not press the button while driving unless it is
absolutely necessary for the power system to be
turned off.
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448
Handling the Unexpected
Jump Starting
Turn off the power to electric devices, such as audio and lights. Turn off the power
system, then open the hood. 1.Remove the maintenance cover.
2 Checking the 12-Volt Battery P. 417
2. Slide the terminal cover on your vehicle’s
12-volt battery positive + terminal as
shown.
3. Connect the first jump er cable to your
vehicle’s 12-volt battery + terminal.
4. Connect the other end of the first jumper
cable to the booster battery + terminal.
uIf you use a booster battery, only use a
12-volt booster battery.
uWhen using an automotive battery
charger, select a charging voltage lower
than 15-volts. Check the charger manual
for the proper setting.
5. Connect the second jumper cable to the
booster battery - terminal.
■Jump Starting Procedure1Jump Starting
Securely attach the jumper cable clips so that they do
not come off when the engine vibrates. Also be
careful not to tangle the ju mper cables or allow the
cable ends to touch each other while attaching or
detaching the jumper cables.
12-volt battery performa nce degrades in cold
conditions and may prevent the engine from starting.
3WARNING
A 12-volt battery can explode if you do not
follow the correct procedure, seriously
injuring anyone nearby.
Keep all sparks, open flames, and smoking
materials away from the 12-volt battery.Terminal Cover
Booster Battery
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449
uuJump Startingu
Handling the Unexpected
6.Connect the other end of the second
jumper cable to the front frame as shown.
Do not connect this jumper cable to any other part.
7. If your vehicle is connected to another
vehicle, start the assisting vehicle’s engine
and increase its rpm slightly.
8. Attempt to start your ve hicle’s engine. If it
turns over slowly, check that the jumper
cables have good metal-to-metal contact.
Once your vehicle’s engine has started, re move the jumper cables in the following
order. 1. Disconnect the jumper cable from your vehicle’s ground.
2. Disconnect the other end of the jumper cable from the booster battery -
terminal.
3. Disconnect the jumper cable from your vehicle’s 12-volt battery + terminal.
4. Disconnect the other end of the jumper cable from the booster battery +
terminal.
Have your vehicle inspected by a nearby service station or an authorized Acura NSX
dealer.
■What to Do After the Engine Starts
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450
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.
uPut the transmission into (P and set the parking brake.
2. Turn off all accessories and turn on the hazard warning lights.
uNo steam or spray present : Keep the power system on and open the hatch.
uSteam or spray is present: Turn off the power system and wait until it
subsides. Then open the hatch.
1How 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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451
uuOverheatinguHow 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.
uIf 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. 396
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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452
Handling the Unexpected
Indicator, Coming On/Blinking
If the 12-Volt Battery Charging System Indicator
Comes On■Reasons for the indicator to come on
Comes on when the 12-volt battery is not being charged. ■ What to do when the indicator comes on
Turn off the climate con trol system, rear defogger, and other electrical
systems, and immediately contact an authorized Acura NSX dealer for
repairs.
If the Malfunction Indicator Lamp Comes On or
Blinks ■Reasons for the indicator la mp to come on or blink
• Comes on when there is a problem with the engine emissions control
system.
• Blinks when engine misfiring is detected.
■ What to do when the indicator lamp comes on
Avoid high speeds and immediately get your vehicle inspected at an
authorized Acura NSX dealer. ■ What to do when the indicator lamp blinks
Park the vehicle in a safe place with no flammable items and wait at least
10 minutes or more with the engine stopped until it cools.
1If the 12-Volt Battery Chargi ng System Indicator Comes On
If you need to stop temporarily, do not turn off the power system. Restarting the power system may
rapidly discharg e the battery.
1If the Malfunction Indicato r Lamp Comes On or Blinks
NOTICE
If you drive with the malf unction indicator lamp on,
the emissions control system and the engine could be damaged. If the malfunction indicator lamp blinks again when
restarting the engine, drive to the nearest authorized
Acura NSX dealer at 31 mph (50 km/h) or less. Have
your vehicle inspected.
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453
uuIndicator, Coming On/BlinkinguIf the Brake System Indicator (Red) Comes On
Handling the Unexpected
If the Brake System Indicator (Red) Comes On
■Reasons for the indicator to come on
• The brake fluid is low.
• There is a malfunction in the brake system.
■ What to do when the indicator comes on while driving
Depress the brake pedal lightly to check pedal pressure. • If normal, check the brake fluid level the next time you stop.
• If abnormal, take immediate acti on. If necessary, downshift the
transmission to slow the vehicle using regenerative braking.
If the Electric Power Steeri ng (EPS) System Indicator
Comes On
■Reasons for the indicator to come on
Comes on if there is a problem with the EPS system.
■ What to do when th e indicator comes on
Stop the vehicle in a safe place a nd turn on the power system again.
If the indicator comes on and stays on, immediately have your vehicle
inspected by an author ized Acura NSX dealer.
1If the Brake System Indicator (Red) Comes On
Have your vehicle repaired immediately.
It is dangerous to drive with low brake fluid. If there
is no resistance from the brake pedal, stop
immediately in a safe plac e. If necessary, downshift
the gears.
If the brake system indicator and ABS indicator come
on simultaneously, the elec tronic brake distribution
system is not working. Th is can result in vehicle
instability under sudden braking.
Have your vehicle inspecte d by an authorized Acura
NSX dealer immediately.
If both red and amber brake system indicators come
on, stop the vehicle in a safe place and have it
inspected by an authorized Acura NSX dealer
immediately.U.S.
Canada
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454
uuIndicator, Coming On/BlinkinguIf the Electric Parking Brake System Indicator Comes On
Handling the Unexpected
If the Electric Parking Brake System Indicator Comes
On■Reasons for the indicator to come on
Comes on when there is a proble m with the electric parking brake
system.
■ What to do when the indicator comes on
Avoid using the parking brake and immediately get your vehicle
inspected at an author ized Acura NSX dealer.
■ What to do when the electric pa rking brake indicator comes on
or blinks at the same time.
Release the parking brake. 2 Parking Brake P. 357
• If the electric parking brake indicator remains on or blinks even after
releasing the parking brake, immedi ately stop the vehicle in a safe
place, and call an authorized Acura NSX dealer.
uTo prevent your vehicle from moving unexpectedly, put the
transmission into
(P .
• If only the electric parking brake in dicator goes off, immediately get
your vehicle inspected at an authorized Acura NSX dealer.
1If the Electric Parking Brake System Indicator Comes On
If you apply the parking brake, it may not release.
If the electric parking brake indicator turns on, the
parking brake is still applied.
When the electric parking br ake indicator blinks at
the same time as the electric parking brake system
indicator, the system must be checked. The parking brake may not operate under these conditions.
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