
38
Quick Reference Guide
Handling the Unexpected (P 489)
Flat Tire (P 490)
● Park in a safe location and repair the flat 
tire using the temporary tire repair kit.
Indicators Come On 
(P 513)
●Identify the indicator and consult the 
owner’s manual.
Power System Won’t Start 
(P 503)
● If the 12-volt battery is dead, jump start 
using a booster battery.
Blown Fuse 
 
(P 518)
● Check for a blown fuse if an electrical 
device does not operate.
Overheating (P 509)
● Park in a safe location. If you do not see 
steam under the hood, open the hood, 
and let the power system cool down.
Emergency Towing 
(P 526)
●Call a professional towing service if you 
need to tow your vehicle.
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Continued139
uuLocking and Unlocking the Doors uLocking/Unlocking the Doors from the Outside
Controls
■Locking the doors
Press the lock button.
Once: u Some exterior lights flash, all the doors 
lock, and the security system sets.
Twice (within five se conds after the first 
push): u The beeper sounds and verifies the 
security system is set.
■Unlocking the doors
Press the unlock button.
Once: u Some exterior lights flash twice, and the 
driver’s door unlocks.
Twice: u The remaining doors unlock.
■Using the Remote Transmitter1Using the Remote Transmitter
If you do not open a door within 30 seconds of 
unlocking the vehicle with  the remote transmitter, 
the doors will automatically relock.
You can change the relock timer setting. 2 Customized Features  P. 300
You can lock or unlock doors using the remote 
transmitter only when the power mode is in VEHICLE 
OFF.
The remote transmitter us es low-power signals, so 
the operating range may  vary depending on the 
surroundings.
The remote will not lock th e vehicle when a door is 
open.
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. 479
You can customize the door unlock mode setting. 2 Customized Features  P. 300
LED
Unlock 
Button Lock 
Button
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uuSecurity System uSecurity System Alarm
150
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 (LOCK).
• The hood is closed.
• All doors and the trunk are locked from  outside with the key, remote transmitter 
or smart entry system.
■When the security system alarm sets
The security system alarm indicator in  the instrument panel blinks. When the 
blinking interval changes after about 15 seconds, the security system alarm is set.
■To cancel the security system alarm
The security system alarm is canceled when  the vehicle is unlocked using the remote 
transmitter, smart entry system, or the power mode is set to ON. The security system 
alarm indicator goes off at the same time.
1 Security 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:
•Unlocking the door with the lock tab.•Opening the trunk with  the trunk opener or the 
emergency trunk opener.
•Opening the hood 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 key,  remote transmitter or 
smart entry system.
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200
uuAudio System uAudio System Theft Protection
Features
Audio System Theft Protection
The audio system is disabled when it is di sconnected 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 th e audio system
1. Set the power mode to ON.
2. Turn on the audio system.
3. Select and hold the audio system power 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 authorized Honda Clarity Fuel Cell dealer and 
have the audio unit checked.
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424
Driving
Braking
Brake System
Use the parking brake to keep the vehicle stationary when parked. When the 
parking brake is applied, you can ma nually or automatically release it.
■To apply
The electric parking brake can be applied any 
time the vehicle has battery, no matter which 
position the power mode is in.
Pull the electric parkin g brake switch up gently 
and securely.
u The parking brake and brake system 
indicator (red) comes on.
■Parking Brake1Brake System
When you depress the brak e pedal, you may hear a 
whirling sound from the moto r 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 parki ng brake, or set the power 
mode to OFF. This is normal.
The brake pedal may slightly  move due to the electric 
parking brake system opera tion when you apply or 
release the parking br ake. This is normal.
You cannot apply or  release the parking brake if the 
12-volt battery goes dead. 2 Jump Starting  P. 506
If you pull up and hold the electric parking brake 
switch while driving, the brakes on all four 
wheels are applied by the VSA ® system until the 
vehicle comes to a stop. The electric parking 
brake then applies, and the switch should be 
released.
Electric Parking 
Brake Switch
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477
Maintenance
12-Volt Battery
Checking the 12-Volt Battery
Check the battery condition monthly. Look at 
the test indicator window and check the 
terminals for corrosion.
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 Honda Clarity Fuel Cell 
dealer.
If your vehicle’s battery is disconnected or goes dead:
• The audio system is disabled.
2 Reactivating the audio system  P. 200
•The clock resets.
2 Clock  P. 132
112-Volt Battery
WARNING:  Battery post, terminals, 
and related accessories contain lead 
and lead compounds.
Wash your hands after handling.
The test indicator’s color information is on the 
battery.
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.
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.
Test Indicator Window
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541
Index
12-Volt Battery Charging System 
Indicator .........................................  90, 513
Charging (12-Volt Battery) ......................  478
High Voltage...........................................  419
Jump Starting .........................................  506
Maintenance (Checking the 12-Volt  Battery) .................................................  477
Maintenance (Replacing) .........................  479
Belts (Seat) ..................................................  48
Beverage Holders .....................................  182
Bluetooth ® Audio .....................................  260
Bluetooth ® HandsFreeLink ®....................  329
Booster Seats (For Children) ......................  82
Brake System ............................................  424
Anti-lock Brake System (ABS) ..................  430
Automatic Brake Hold .............................  428
Brake Assist System.................................  431
Fluid .......................................................  461
Foot Brake ..............................................  427
Indicator (Red) ........................................  515
Parking Brake..........................................  424
Brake System (Amber)
Indicator ...................................................  88
Brake System (Red) Indicator .....................................  86, 87, 514
Brightness Control (Head-Up Display) ....  165
Brightness Control (Instrument Panel) ...  164
Bulb Replacement ....................................  463
Brake/Taillights and  Rear Side Marker 
Lights ....................................................  464 Front Turn Signal and 
Front Side Marker 
Lights ....................................................  463
Headlights ...............................................  463
High-Mount Brake Light ..........................  464
Parking/Daytime Running Lights ..............  463
Rear License Plate Lights ..........................  464
Taillights and Back-Up Lights ...................  464
Taillights/Rear Side  Marker, Brake and 
Rear Turn Signal Lights ..........................  464
Bulb Specifications ...................................  530
C
Carrying Cargo..................................  365, 367
Certification Label ....................................  532
Changing Bulbs .........................................  463
Characteristics of Fuel Cell Vehicles ..........  11
Charging System Indicator .......................  513
Child Safety .................................................  70
Childproof Door Locks .............................  144
Child Seat ....................................................  70
Booster Seats .............................................  82
Child Seat for Infants .................................  72
Child Seat for Small Children .....................  73
Installing a Child Seat with a Lap/Shoulder  Seat Belt ..................................................  77
Larger Children ..........................................  81
Rear-facing Child Seat ...............................  72
Selecting a Child Seat ................................  74
Using a Tether ...........................................  79
Childproof Door Locks .............................  144 Cleaning the Exterior
...............................  483
Cleaning the Interior ................................  481
Climate Control System ............................  188
Changing the Mode ................................  190
Defrosting the Windshield and 
Windows ...............................................  192
Dust and Pollen Filter...............................  480
Sensors ...................................................  196
Using Automatic Climate Control ............  188
Clock ..........................................................  132
CMBS
TM (Collision Mitigation Braking 
SystemTM) .................................................  432
Coat Hook .................................................  185
Collision Mitigation Braking System
TM 
(CMBSTM) .................................................  432
Console Compartment .............................  181
Controls .....................................................  131
Coolant .....................................................  459
Adding to the Radiator ............................  460
Adding to the Reserve Tank.....................  459
Overheating ............................................  509
Creeping (Transmission) ...........................  374
Cup Holders ..............................................  182
Customer Service Information .................  538
Customized Features ........................  126, 300
D
Daytime Running Lights ..........................  161
Dead Battery (12-Volt) .............................  506
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