
131Continued
Controls
Locking and Unlocking the Doors
Key Types and Functions
This vehicle comes with the following keys:
Use the keys to turn  on and off the power 
system, and to lock and unlock the doors and 
to open the trunk.  You can also use the 
remote transmitter to lock and unlock the 
doors and trunk, and open the charge lid.
The built-in key can be us ed to lock/unlock the 
doors when the smart entry remote battery 
becomes weak and the power door lock/
unlock operation is disabled.
To remove the built-in key, slide the release 
knob and then pull out the key. To reinstall 
the built-in key, push the  built-in key into the 
smart entry remote until it clicks.1 Key Types and Functions
All the keys have an immobilizer system. The 
immobilizer system helps to  protect against vehicle 
theft. 2 Immobilizer System  P. 147
Follow the advice below to  prevent damage to the 
keys:
•Do not leave the keys in  direct sunlight, or in 
locations with high temperature or high humidity.
•Do not drop the keys or set heavy objects on them.•Keep the keys away from liquids, dust and sand.
•Do not take the keys apart except for replacing the 
battery.
If the circuits in the keys are damaged, the power 
system may not activate, and the remote transmitter 
may not work.
If the keys do not work properly, have them 
inspected by an authorized  Honda Clarity Electric 
dealer.■Built-in Key
Built-in Key
Release Knob
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uuLocking and Unlocking the Doors uLow Smart Entry Remote Signal Strength
132
Controls
Contains a number that you will need if you 
purchase a replacement key.
Low Smart Entry Remo te Signal Strength
The vehicle transmits radio waves to loca te the smart entry remote when locking/
unlocking the doors, opening the trunk,  or to activate the power system.
In the following cases, locking/unlocking the doors, opening the trunk, or activating 
the power system may be inhibited or operation may be unstable:
• Strong radio waves are being tra nsmitted by nearby equipment.
• You are carrying the smart entry remote  together with telecommunications 
equipment, laptop computers, ce ll phones, or wireless devices.
• A metallic object is touching or  covering the smart entry remote.
■Key Number Tag1Key Number Tag
Keep the key number tag separate from the key in a 
safe place outside  of your vehicle.
If you wish to purchase an additional key, contact an 
authorized Honda Clarity Electric dealer.
If you lose your key and you cannot activate the 
power system, contact an  authorized Honda Clarity 
Electric dealer.
1 Low Smart Entry Remote Signal Strength
Communication between the smart entry remote and 
the vehicle consumes the smart entry remote’s 
battery.
Battery life is  about two years,  but this varies 
depending on re gularity of use.
The battery is consumed whenever the smart entry 
remote is receivi ng strong radio wave s. Avoid placing 
it near electrical  appliances such as  televisions and 
personal computers.
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uuLocking and Unlocking the Doors uLocking/Unlocking the Doors from the Outside
138
Controls
If the lock or unlock button of the sma rt entry remote does not work, use the key 
instead.
2 Replacing the Button Battery  P. 486
Fully insert the key and turn it.
■Locking/Unlocking the Doors Using a Key1Locking/Unlocking the Doors Using a Key
When you lock the driver’s door with a key, all the 
other doors lock at the sa me time. When unlocking, 
the driver’s door unlocks first. Turn the key a second 
time within a few seconds  to unlock the remaining 
doors.
You can customize the door unlock mode setting. 2 Customized Features  P. 296
Lock
Unlock
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uuSecurity System uSecurity System Alarm
148
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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486
Maintenance
Remote Transmitter Care
Replacing the Button Battery
If the indicator does not come on when the button is pressed, replace the battery.
1.Remove the built-in key.
2. Remove the upper half of the cover by 
carefully prying on the edge with a coin.
u Remove carefully to avoid losing the 
buttons.
u Wrap a coin with a cloth to prevent 
scratching the smart entry remote.
3. Make sure to replace  the battery with the 
correct polarity.1 Replacing the Button Battery
NOTICE
An improperly disposed of  battery can damage the 
environment. Always conf irm local regulations for 
battery disposal.
Replacement batteries are commercially available or 
at an authorized Honda  Clarity Electric dealer.
3WARNING
CHEMICAL BURN HAZARD
The battery that powers the remote 
transmitter can cause severe internal burns 
and can even lead to death if swallowed.
Keep new and used batteries away from 
children.
If you suspect that a child has swallowed 
the battery, seek medical attention 
immediately.
Battery type: CR2032
Battery
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548
Index
Coolant...................................................... 467
Overheating............................................. 517
Creeping (Transmission) ........................... 370
Cup Holders ...............................................  180
Customer Service Information ................. 544
Customized Features ........................  128, 296
D
Daytime Running Lights ........................... 159
Dead Battery (12-Volt) ............................. 514
Deceleration Paddle Selector ................... 379
Defrosting the Windshield and 
Windows .................................................. 190
Devices that Emit Radio Waves ................ 539
Dimming
Headlights ...............................................  156
Rearview Mirror ....................................... 167
Directional Signals (Turn Signal) .............. 155
Display Button .......................................... 203
Door Mirrors ............................................. 168
Doors ......................................................... 131
Auto Door Locking .................................. 143
Auto Door Unlocking ............................... 143
Door Open Message ..................................  43
Keys ........................................................ 131
Locking/Unlocking the Doors from the 
Inside ...............................................  25, 140
Locking/Unlocking the Doors from the  Outside .................................................. 133
Lockout Prevention System ...................... 139 DOT Tire Quality Grading
........................  478
Driver Information Interface ...................  120
Driver’s Knee Airbag ..................................  59
Driving ......................................................  359
Braking ...................................................  420
Shifting Gear ...........................................  371
Transmission ...........................................  370
Turning on the Power..............................  366
Driving Position Memory System ............  164
Dust and Pollen Filter ...............................  487
E
Eco Assist® System ......................................  20
Eco Drive Display/Drive Cycle Score/ Lifetime Points ........................................  126
ECON Mode ..............................................  377
Elapsed Time .............................................  123
Electric Power Steering (EPS) System Indicator............................................  90, 520
Electric Vehicle Precautions .......................  15
Electricity Consumption and Driving  Range ........................................................  19
Electricity Consumption Indicator 
(ENERGY USAGE) ....................................  119
Electronic Stability Control (ESC) .............  411
Emergency ................................................  531
Energy Instant Energy Economy ..........................  123
Range .....................................................  116
Energy Economy .......................................  456 EPS (Electric Power Steering) System
........  90
Expanded View Driver’s Mirror ...............  168
Exterior Care (Cleaning) ..........................  490
Exterior Mirrors ........................................  168
F
Features....................................................  195
Filters Dust and Pollen.......................................  487
Flat Tire .....................................................  498
Floor Mats ................................................  489
Fluids
Brake ......................................................  468
Coolant ..................................................  467
Transmission ...........................................  468
Windshield Washer .................................  469
FM/AM Radio ...........................................  233
Foot Brake ................................................  423
Front Airbags (SRS) ....................................  55
Front Seat Heaters ...................................  184
Front Seats ................................................  169
Adjusting ................................................  169
Front Sensor Camera ...............................  383
Fuses .........................................................  524
Inspecting and Changing ........................  530
Locations ........................................  524, 526
G
Gauges ......................................................  116
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550
Index
Information...............................................  535
Instant Energy Consumption ................... 123
Instrument Panel ........................................  81
Interior Lights ........................................... 176
Interior Rearview Mirror ..........................  167
Inverter Coolant ........................................ 467
Adding to the Reserve Tank ..................... 467
Overheating............................................. 517
iPod ............................................................ 245
J
Jacking Points ........................................... 510
Jump Starting ............................................ 514
K
Key Number Tag ....................................... 132
Keyless Lockout Prevention ..................... 139
Keys ........................................................... 131
Lockout Prevention .................................. 139
Number Tag ............................................ 132
Rear Door Won’t Open ............................ 142
Remote Transmitter ................................. 137
Types and Functions ................................ 131
L
Lane Keeping Assist System (LKAS) ......... 404
LaneWatchTM............................................. 418
Language (HFL) ......................................... 327
LATCH (Child Seats) ....................................  72 Lights
.................................................  156, 470
Automatic ...............................................  157
Bulb Replacement ...................................  470
Daytime Running Lights...........................  159
High Beam Indicator ..................................  94
Interior ....................................................  176
Light Switches .........................................  156
Lights On Indicator ....................................  94
Turn Signals ............................................  155
Load Limits ................................................  363
Locking/Unlocking ....................................  131
Auto Door Locking/Unlocking..................  143
Childproof Door Locks.............................  142
From Inside .............................................  140
From Outside ..........................................  133
Keys ........................................................  131
Using a Key .............................................  138
Lockout Prevention System .....................  139
Low Battery Charge (12-Volt) ..................  518
Low Smart Entry Remote Signal  Strength ..................................................  132
Lower Anchors ............................................  72
Luggage (Maximum Load Limit) .............  363
M
Maintenance.............................................  457
12-Volt Battery ........................................  484
Brake Fluid ..............................................  468
Cleaning .................................................  488
Climate Control System ...........................  487 Coolant ..................................................  467
Maintenance Minder
TM............................  461
Precautions .............................................  458
Remote Transmitter ................................  486
Replacing Light Bulbs ..............................  470
Safety .....................................................  459
Service Items ...........................................  463
Tires........................................................  475
Transmission Fluid ...................................  468
Under the Hood ......................................  465
Making Good Use of Your Honda Electric 
Vehicle ......................................................  12
Map Lights ................................................  177
Maximum Load Limit ...............................  363
Meters, Gauges ........................................  116
Mirrors ......................................................  167
Adjusting ................................................  167
Door .......................................................  168
Exterior ...................................................  168
Interior Rearview .....................................  167
Modifications (and Accessories) ..............  494
Motor ........................................................  538
Coolant ..................................................  467
Jump Starting .........................................  514
MP3 ...........................................................  254
Multi-View Rear Camera .........................  438
N
Numbers (Identification).........................  538
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