
305
uuCustomized Features u
Continued
Features
ClockClock/Wallpaper Type*1/
Clock Type*2
Clock Adjustment
Clock Format
Auto Time Zone
Manual Time Zone
Auto Daylight Saving Time
Clock Display
Overlay Clock Location
Clock Reset
Clock
Wallpaper
*1 : Does not appear when you chan ge the screen interface design.
*2 : Appears only when you change  the screen interface design.
OthersLanguage
Voice Command Tips
Remember Last Screen*1
Memory Refresh
Refresh Time Adjustment
Change Skin
Detail Information
Factory Data Reset
Climate Screen Timeout
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308
uuCustomized Features u
Features
■List of customizable options
*1:Does not appear when you change the screen interface design.
*2:Appears only when you change the screen interface design. Setup 
Group Customizable Features Descri
ption Selectable Settings
Clock
Clock
Clock/
Wallpaper 
Type
*1/
Clock 
Type
*2
Clock
See Info on P. 309
Wallpaper
Clock Adjustment
Auto Time Zone
Manual Time Zone
Auto Daylight  Saving Time
Clock Format
Clock Display
Overlay Clock Location
Clock Reset
HondaLinkDiagnostic & Location Data
OthersInfo Screen Preference
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309
uuCustomized Features u
Continued
Features
*1:Default Setting
*2:Does not appear when you chan ge the screen interface design.
*3:Appears only when you change  the screen interface design.
Setup 
Group Customizable Features Description Selectable Settings
Info Clock Clock/
Wallpaper 
Type
*2/
Clock 
Type
*3
Clock Changes the clock display type. Analog
/Digital*1/
Small Digital /Off
Wallpaper
●Changes the wallpaper type.●Imports an image file for a new wallpaper.●Deletes an image file for a wallpaper. Blank
/Galaxy
*1/
Metallic /Time Zone
Clock Adjustment Adjusts Clock. —
Auto Time Zone Automatically adjusts the clock when driving 
through different time zones. On
*1/
Off
Manual Time Zone Changes the time zone manually. —
Auto Daylight Saving Time Select 
On to have the GPS automatically adjust 
the clock to daylight savings time. Select  Off to 
cancel this function. On
*1/
Off
Clock Format Selects the digital clock display from 12H to 24H. 12H
*1/24H
Clock Display Selects whether the clock display comes on. On
*1/Off
Overlay Clock Location Changes the clock display layout. Upper Right
*1/
Upper 
Left/ Lower Right /
Lower Left /Off
Clock Reset Resets the clock settings to the factory default. Yes/No
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318
uuCustomized Features u
Features
*1:Default Setting
*2:Does not appear when you change the screen interface design.
*3:Appears only when you change the screen interface design.Setup 
Group Customizable Features
DescriptionSelectable Settings
System Clock Clock/
Wallpaper 
Type
*2/
Clock 
Type
*3
Clock
See 
Info on P. 309
Wallpaper
Clock Adjustment
Auto Time Zone
Manual Time Zone
Auto Daylight Saving Time
Clock Format
Clock Display
Overlay Clock Location
Clock Reset
Others Language Change the display language. English (United 
States)
*1/
Français /
Español
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uuMaintenance Under the Hood uInverter Coolant
460
Maintenance
1. Make sure the motor and radiator are 
cool.
2. Turn the expansion tank cap 1/8 turn 
counterclockwise and  relieve any pressure 
in the cooling system.
3. Push down and turn the expansion tank cap 
counterclockwise to remove it.
4. Pour coolant into the expansion tank until it 
reaches the  MAX mark.
5. Put the expansion tank cap back on, and 
tighten it fully.
■Radiator 1Inverter Coolant
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 motor components.
1Radiator
NOTICE
Pour the fluid slowly and ca refully so you do not spill 
any. Clean up any spills immediately; they can 
damage components in the motor compartment.
Expansion 
Tank Cap
MAX
Reserve 
TankMIN
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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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528
Handling the Unexpected
When You Cannot Open the Trunk
If you cannot open the trunk, use the following procedure.1.Insert the built-in key into the cylinder and 
turn the key clockwise (as shown).
u The trunk unlocks and opens.
■What to Do When Unable to Open the Trunk1When You Cannot Open the Trunk
Following up:
After taking these steps, contact an authorized 
Honda Clarity Fuel Cell dealer to have your vehicle 
checked.
Built-in Key
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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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