2021 ACURA NSX dead battery

Contents
Child Safety P. 61Exhaust Gas Hazard P. 70Safety Labels P. 71
Opening and Closing the Hatch P. 123 Security System P. 126 Opening and Closing the Windows P. 129
Adjusting the Mirrors P. 145 Adjusting the Seats P. 148 Interior Convenience Items P. 153
Audio Error Messages P. 227General Information on the Audio System P. 230
Bluetooth ® HandsFreeLink ® P. 274 AcuraLink ®* P. 308
When Driving P. 325 Braking P. 361Parking Your Vehicle P. 368
Refueling P. 375 Fuel Economy and CO
2 Emissions P. 377
Maintenance Under the Hood and Hatch P. 389 Replacing Light Bulbs P. 405
Checking and Maintaining Tires P. 411 12-Volt Battery P. 421 Remote Transmitter Care P. 422
Cleaning P. 424 Accessories and Modifications P. 431 Storage P. 433
Power System Won’t Start P. 449 If th e 12-Volt Battery Is Dead P. 452
Fuses P. 461 Emergency Towing P. 466 If You Cannot Unlock the Fuel Fill Door P. 467
Devices that Emit Radio Waves P. 475 Reporting Safety Defects P. 476
Authorized Manuals P. 482 Client Service Information P. 483
Quick Reference GuideP. 6
Safe DrivingP. 33
Instrument PanelP. 73
ControlsP. 107
FeaturesP. 165
DrivingP. 313
MaintenanceP. 379
Handling the UnexpectedP. 435
InformationP. 471
IndexP. 484
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30
Quick Reference Guide
Handling the Unexpected (P 435)
Flat Tire (P 437)
●Park in a safe location and repair the flat
tire using the temporary tire repair kit.
Indicators Come On
(P 456)
●Identify the indicator and consult the
owner’s manual.
Power System Won’t Start
(P 449)
●If the 12-volt battery is dead, jump start
using a booster battery.
Blown Fuse

(P 461)
●Check for a blown fuse if an electrical
device does not operate.
Overheating (P 454)
●Park in a safe location. If you do not see
steam under the hatch, open the hatch,
and let the power system and the engine
cool down.
Emergency Towing
(P 466)
●Call a professional towing service if you
need to tow your vehicle.
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Continued117
uuLocking and Unlocking the Doors uLocking/Unlocking the Doors from the Outside
Controls
■Unlocking the doors
Press the unlock button.
Once: u Some exterior lights flash twice, the driver’s door unlocks and the driver’s outer
door handle pops out.
Twice:
u The passenger’s door unlocks and the passenger’s outer door handle pops out.1Using the Remote Transmitter
If the distance at which the remote transmitter works
varies, the batter y is probably low.
If the LED does not come on when you press a
button, the battery is dead. 2 Replacing the Button Battery P. 422
You can customize the door unlock mode setting. 2 Customized Features P. 248
If the passenger’s door is not opened, the outer
handle of the passenger’s door will pop back in 30
seconds after the dr iver’s door is closed or when the
gear position is moved out of
( P.
To pop out the outer handle of the passenger’s door
when the gear position is in
( P, press the unlock
button on the remote transmit ter or press the master
door unlock switch.
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Continued127
uuSecurity System uSecurity System Alarm
Controls
■Setting the security system alarm
The security system alarm automatically sets when the following conditions have
been met:
• The power mode is set to VEHICLE OFF.
• The hood and hatch are closed.
• Both doors are locked from outside with the key, remote transmitter or keyless
access system.
■When the security system alarm sets
The security system indicator in the in strument panel blinks. When the blinking
interval changes after about 15 seconds, the security system is set.
■To cancel the security system alarm
The security system is canc eled when the vehicle is unlocked using the remote
transmitter, keyless access system, or when the power mode is set to ON. The
security system indicator go es off at the same time.
1Security System Alarm
Do not set the security system alarm when someone
is in the vehicle or a window is open. The system can
accidentally activate when:
•The door is unlocked with the lock tab.•The hatch is opened with the hatch release button
on the driver’s door or wi th the emergency hatch
opener.
•The gear position is shifted out of ( P.
•The hood is opened with the hood release.
If the 12-volt battery goes dead after you have set the
security system alarm, the security alarm may go off
once the 12-volt battery is recharged or replaced.
If this occurs, deactivate the security system alarm by
unlocking a door using the remote transmitter or
keyless access system.
Do not alter the system or add other devices to it.
Doing so may damage the system and make your
vehicle inoperable.
Do not open the hatch with the key unless it is an
emergency.
Opening the hatch with the key will trigger the
security system. 2 If You Cannot Open the Hatch P. 468
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168
uuAudio System uAudio System Theft Protection
Features
Audio System Theft Protection
The audio system is disabled when it is disconnected from the power source, such as
when the 12-volt battery is disconnected or goes dead. In certain conditions, the
system may display a code entry screen. If this occurs, reactivate the audio system.
■Reactivating the audio system
1. Set the power mode to ON.
2. Turn on the audio system.
3. Select and hold the (power/audio) icon for more than two seconds.
u The audio system is reac tivated when the audio co ntrol unit establishes a
connection with the vehicle control unit. If the control unit fails to recognize
the audio unit, you must go to an auth orized Acura NSX dealer and have the
audio unit checked.
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361Continued
Driving
Braking
Brake System
Use the parking brake to keep the vehicle stationary when parked. When the
parking brake is applied, you can manu ally or automatically release it.
■To apply
The electric parking brake can be applied any
time the vehicle has battery, no matter which
power mode the vehicle is in.
Pull the electric parking brake switch up gently
and securely. u The electric parking brake indicator
comes on.
■To release
The power mode must be in the ON position
to release the electric parking brake.
1. Depress the brake pedal.
2. Press the electric parking brake switch.
u The electric parking brake indicator goes
off.
Manually releasing the parking brake using
the switch helps your vehicle start slowly and
smoothly when facing downhill on steep hills.
■Parking Brake1 Brake System
When you depress the brak e pedal, you may hear a
whirring sound from the engine compartment. This is
because the brake system is in operation, and it is
normal.
1 Parking Brake
You may hear the electric parking brake system
motor operating from the re ar wheel area when you
apply or release the parking brake.
You cannot apply or release the parking brake if the
12-volt battery goes dead. 2 If the 12-Volt Battery Is Dead P. 452
If you pull up and hold the electric parking brake
switch while driving, the brakes on all four
wheels are applied by the electric servo brake
system until the vehicle comes to a stop. The
electric parking brake then applies, and the
switch should be released .
Electric Parking
Brake Switch
Electric Parking
Brake Switch
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421
Maintenance
12-Volt Battery
Checking the 12-Volt Battery
Check the battery terminals for corrosion
monthly.
The battery is protected by a cover.
Remove the cover by pressing the tabs.
Slide the terminal cover on your vehicle’s 12-
volt battery positive + terminal.
The battery condition is monitored by the
sensor on the negative terminal. If there is a
problem with the sensor, the warning
message on the driver information interface
will let you know. Have your vehicle checked
by an authorized Acura NSX dealer.
If your vehicle’s battery is disconnected or goes dead:
• The audio system is disabled.
2 Reactivating the audio system P. 168
•The clock resets.
2 Clock P. 108
Charging the AGM Battery
AGM labeled batteries can be damaged if improperly charged. For more information
on how to charge an AGM battery, cons ult an authorized Acura NSX dealer.
112-Volt Battery
WARNING: Battery post, terminals,
and related accessories contain lead
and lead compounds.
Wash your hands after handling.
When you find corrosion, cl ean the battery terminals
by applying a baking powder and water solution.
Clean the terminals with a damp towel. Cloth/towel
dry the battery. Coat the terminals with grease to
help prevent future corrosion.
When replacing the battery, the replacement must be
of the same specifications.
Consult an authorized Acura NSX dealer for more
information.
3WARNING
The battery gives off explosive hydrogen
gas during normal operation.
A spark or flame can cause the battery to
explode with enough force to kill or
seriously hurt you.
When conducting any battery
maintenance, wear prot ective clothing and
a face shield, or have a skilled technician do
it.
Tab
Cover
Terminal
Cover
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435
Handling the Unexpected
This chapter explains how to handle unexpected troubles.
ToolsTypes of Tools .................................. 436
If a Tire Goes Flat Temporarily Repairi ng a Flat Tire....... 437
Handling of the Jack ......................... 448
Power System Won’t Start
Checking the Procedure ................... 449
If the Keyless Access Remote Battery is Weak ............................................. 450
Emergency Power System Off........... 451
If the 12-Volt Battery Is Dead .......... 452
Overheating
How to Handle Overheating ............. 454 Indicator, Coming On/Blinking
If the 12-Volt Battery Charging System Indicator Comes On ....................... 456
If the Malfunction Indicator Lamp Comes On or Blinks ................................... 456
If the Brake System Indicator (Red) Comes
On ................................................. 457
If the Electric Power Steering (EPS) System Indicator Comes On ....................... 457
If the Electric Parking Brake System Indicator Comes On ....................... 458
If the Low Tire Pressure/TPMS Indicator
Comes On or Blinks........................ 459 If the Transmission System Indicator Blinks
along with the Warning Message... 460
If the Low Oil Level Symbol Appears.....460
Fuses Fuse Locations ................................. 461
Inspecting and Changing Fuses ........ 465
Emergency Towing ........................... 466
If You Cannot Unlock the Fuel Fill Door.... 467
If You Cannot Open the Hatch............468
Refueling
Refueling from a Portable Fuel Container .... 469
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